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HomeMy WebLinkAboutCDP 99-30; Poinsettia Lane Bridge Widening; Coastal Development Permit (CDP) (3)I I I I I I I I I MITIGATED NEGATIVE DECLARATION FOR THE POEVSETTIA LANE BRIDGE WIDENING November 15, 1999 Preparedfor:_ • City of Carlsbad Planning Department12075 Las Palmas Drive Carlsbad, California 92009-1576 I Prepared by: I LSA Associates, Inc. 1 Park Plaza, Suite 500 Irvine, California 92614 1 (949) 553-0666 ISA Project XDEC832 Under contract to:i Dokken Engineering13914 Murphy Canyon Road, Suite Al53 San Diego, California 92123 I I I I I I I I I I I I I I I I I i i i i ISA Associates, Inc. TABLE OF CONTENTS PAGE BACKGROUND 1 1.0 PROJECT DESCRIPTION/PROPOSED ACTION 1 2.0 SUMMARY OF ENVIRONMENTAL FACTORS POTENTIALLY AFFECTED. 10 3.0 EARLIER ANALYSES 11 4.0 DETERMINATION 11 5.0 ENVIRONMENTAL CHECKLIST 12 6.0 ENVIRONMENTAL IMPACT ASSESSMENT DISCUSSION 26 6.1 AESTHETICS 26 6.II AGRICULTURE RESOURCES 27 6.III AIR QUALITY 27 6.IV BIOLOGICAL RESOURCES 28 6.V CULTURAL RESOURCES 31 6.VI GEOLOGY AND SOILS 32 6.VII HAZARDS AND HAZARDOUS MATERIALS 34 6.VIII HYDROLOGY AND WATER QUALITY 36 6.IX LAND USE AND PLANNING 38 6.X MINERAL RESOURCES 40 6.XI NOISE 40 6.XII POPULATION AND HOUSING 44 6.XIII PUBLIC SERVICES 45 6.XIV RECREATION 45 6.XV TRANSPORTATION/TRAFFIC 45 6.XVI UTILITIES AND SERVICE SYSTEMS 47 6.XVII MANDATORY FINDINGS OF SIGNIFICANCE 48 7.0 LIST OF MITIGATING MEASURES 50 APPENDICES A - Biological Evaluation B - Structure Foundation Report C - Vista Environmental Site Assessment Report D - Noise Analysis 11/15/99 «P:\DEC832MS-MND\IS-MND.DOC» ISA Associates, Inc. FIGURES I I • Figure 1 - Vicinity Map .................................................................................................................. 2 Figure 2 - Project Location ............................................................................................................. 3 Figure 3 - Adjacent Land Uses ....................................................................................................... 4 I Figure 4 - Proposed Project ............................................................................................................. 6 Figure 5 - Coastal Sage Scrub Impacts of Proposed Project ........................................................ 29 Figure 6 - Noise Modeling Locations ........................................................................................... 41 •TABLES Table 6.XI.A - Peak Hour Noise Levels at Sensitive Receptor Locations 1 Hour Leq Levels (dBA) .................................................................................................................................... 42 • Table 6.XV.B - Traffic Volumes and Level of Service ................................................................ 46 I I I I I I I I I I I ••1 1/15/99 «P:\DEC832\IS-MND\IS-MND.DOC» I I I I I I I I I I I I I I I I I I I LSA Associates, Inc. ENVIRONMENTAL IMPACT ASSESSMENT FORM CASE NO: CDP-99-30 DATE RECEIVED: November 15, 1999 (To be completed by staff) BACKGROUND CASE NAME; Poinsettia Lane Bridge Widening APPLICANT; City of Carlsbad ADDRESS AND PHONE NUMBER OF APPLICANT; 2075 Las Palmas. Carlsbad. CA 92009-1576; Tel: (760) 438-1161 1.0 PROJECT DESCRIPTION/PROPOSED ACTION 1.1 Project Location and Site Description The proposed project is located in northwestern San Diego County in the City of Carlsbad. Regional access to the project area is provided by Interstate 5 (1-5) via the Poinsettia Lane interchange. The segment of existing Poinsettia Lane proposed for improvement is located between Avenida Encinas and Carlsbad Boulevard. Figures 1 and 2 identify the project area in a regional and local context, respectively. Existing land uses adjacent to the project include residential, commercial, and recreational uses. Existing land uses east of Avenida Encinas to the 1-5 Freeway include a neighborhood shopping center, two motels, auto dealerships, and offices. Between Avenida Encinas and Carlsbad Boulevard, adjacent existing land uses are limited to the Lakeshore Gardens Mobile Home Park and agricultural land that is currently vacant. South Carlsbad State Beach and Pacific Ocean are located to the west of Carlsbad Boulevard. The City approved the Poinsettia Properties Specific Plan, which allows development of 1,009 dwelling units on the vacant property adjacent to Poinsettia Lane. An Environmental Impact Report (EIR) was certified for the Poinsettia Properties Specific Plan in July, 1997 (State Clearinghouse No. 96081027). Figure 3 depicts the existing and proposed adjacent land uses. 1.2 Existing Facility Poinsettia Lane, between Avenida Encinas and Carlsbad Boulevard, is a two to four lane road with signalized intersections at either end. The current roadway section varies from 36 to 94 feet. Poinsettia Lane is four lanes at the approaches and reduces to two lanes as it spans the San Diego Northern Railroad tracks (owned and operated by North County Transit District [NCTD] railroad). On eastbound Poinsettia Lane at Avenida Encinas, there is a dedicated left turn lane, two through lanes, and a shared right turn lane. On Poinsettia Lane at Carlsbad Boulevard, there is one dedicated right turn lane and one dedicated left turn lane. When the existing facility was 11/15/99 «P:\DEC832\IS-MND\IS-MND.DOC» Oceanside .Carlsbad PROJECT LOCATION San Diego County Escondido (J5J J52 \San J94J i Diego Pa c ific Ocean Riverside County 79 VSA 'MEXICO 6/16/99(DEC832) N LSA Scale in Miles 10 Figure 1 Vicinity Map PROJECT LOCATION Source: USGS 7.5' Topographic Quadrangle, "Encinitas, Calif. 6/16/99(DEC832) N LSA Scale in Feet •P" 0 1000 2000 Project Location PROJECT STUDYAREA Source: Photo Geodetic Corporation, April, 1999. 300 Figure 3 Adjacent Land Uses I I I I I I I I 1 1 I I I I I I I I 1 ISA Associates, Inc. built in 1984, the embankments were constructed to accommodate the ultimate right-of-way necessary for construction of a four lane roadway. The existing bridge was constructed in the southerly half of the right-of-way. The eastbound and westbound lanes of Poinsettia Lane are separated with double solid line striping and a raised concrete median from Carlsbad Boulevard to 200 feet east of the intersection. The existing bridge overcrossing is a three span structure, approximately 142 feet in length and 45 feet wide. The bridge carries two traffic lanes, a bicycle lane, and a sidewalk along its 142 foot length. The bridge is constructed of pre-stressed concrete slabs and crosses the railroad at a skew. Existing utility lines (sewer, natural gas, electricity, and telephone) travel under the eastern slope embankment in a north-south direction. A bicycle lane exists on westbound Poinsettia Lane; however, it is striped only from Avenida Encinas to the bridge structure. A continuous sidewalk is provided adjacent to the eastbound lane. Sidewalks are also provided adjacent to the westbound lanes but only near the intersections, not over the bridge. The existing bridge spans the NCTD railroad line and currently provides 23 feet of vertical clearance from the railroad tracks. The eastern and western bridge abutments and approaches are wider than the existing roadway improvements. A total right-of-way of 130 feet is provided on the top of the embankments. Adjacent property owners have dedicated easements on the side slopes to the City. The existing facility is depicted in Figure 3. 1.3 Description of Proposed Proj ect The proposed project would bring the portion of Poinsettia Lane within the project area into conformance with the City's General Plan Circulation Element. Poinsettia Lane is classified in the Circulation Element as a Major Arterial roadway (four travel lanes and a raised median). Additionally, the widening would relieve existing weekend and summer traffic congestion and provide for improved bicycle and pedestrian access on Poinsettia Lane. As proposed, the existing Poinsettia Lane bridge structure and approaches would be widened from two lanes to four lanes. The widened facility would include four 12 foot traffic lanes, two variable width (5 to 8 feet) bicycle lanes, two 5 foot sidewalks, and a raised center median. The approaches will be widened on the existing embankments. The bridge will be widened from 45 feet to 76 feet in order to provide for two additional lanes. All widening will occur on the north side of the existing roadway and bridge structure. No improvements or impacts (temporary or permanent) will occur on the south side embankments. Figure 4 depicts the roadway improvements proposed. Additional features of the proposed project include the following. • Approach of Poinsettia Lane/Avenida Encinas intersection would be improved to full width to one dedicated left turn lane, two through lanes, and one shared right turn lane. The western approach of the Poinsettia Lane/Carlsbad Avenue intersection would remain unchanged with one dedicated left turn lane and a dedicated right turn lane. 11/15/99«P:\DEC832MS-MND\IS-MND.DOC» ^^^^S^-^^^A, -i'•'''•••"V: •$&£;-•• - ^T^. Base Map Source: Dokken Engineering. 8/3/99(DEC832)Figure 4 ISA Associates, Inc. • A varied width raised median is proposed from Avenida Encinas to approximately 200 feet east of Carlsbad Boulevard (proposed Sta. 1746+14) where it will join the existing raised median. Median landscaping will consist of palm trees and low shrubbery or ground cover. • Three existing drainage inlets would be replaced on the north side of the eastern embankment between proposed Sta. 1756+00 and Sta. 1756+50. The inlet drainage pipe would be extended six feet to the north. • A 12 inch water line would be constructed in Poinsettia Lane to connect to the existing 12 inch water line in Avenida Encinas and the existing 10 inch water line in Carlsbad Boulevard. An eight inch reclaimed water line will be extended from Avenida Encinas and stubbed to a future connection in Carlsbad Boulevard. • Continuous variable width (five to eight feet) striped bicycle lanes would be provided in both the eastbound and westbound direction. • A continuous 5 foot concrete sidewalk will be provided on the north side of the edge of pavement and will connect to the existing sidewalk at approximately 240 feet east of Carlsbad Boulevard (proposed Sta. 1746+54). • A three foot high concrete safety barrier will be provided on the north side of the proposed five foot sidewalk. The two foot wide barrier is proposed from Sta. 1746+54 to approximately Sta. 1749+60 and from approximately Sta. 1751+35 to Sta. 1757+44. All improvements can be accommodated within the existing right-of-way, as shown in Figure 4. Clearing and grubbing of existing vegetation and limited excavation will be required to construct the bridge piling and roadway deck. This limited excavation is exempt from the requirements of Section 11.06 (Grading Code) of the City's Municipal Code and, therefore, is not considered "grading activities as defined in Section 11.06." Section 11.06.030 exempts excavation activities that 1) have an unsupported height less than five feet; 2) are for wells, tunnels, and/or utilities; and 3) are less than four feet in vertical depth and move less than 100 cubic yards of material per 8,000 square feet of area.1 Excavation activities associated with the bridge widening meet all of the above criteria. In particular, the maximum vertical depth of excavation is 1.5 feet with movement of 410 cubic yards of material. The construction/staging area will be accessed from both Carlsbad Boulevard and Avenida Encinas. Environmental fencing will be provided five feet from the toe of the existing slope embankments. The fencing will be provided to protect vegetation located on the slope embankments. 1 For the 135,000 square foot project area, 1,700 cubic yards of movement would be acceptable. 11/15/99«P:\DEC832\lS-MND\lS-MND.DOC» LSA Associates, Inc. 1.4 Alternatives Withdrawn from Consideration Alternatives Previously Analyzed As part of the Poinsettia Lane Final EIR (EIR No. 82-6, SCH No. 83010504), four project alternatives were analyzed and rejected. The analysis conducted for this EIR exhausted the possible alternatives for locating the existing roadway and bridge structure on and off site. Given the fact that this prior analysis was conducted and that the existing facility is constructed in its current location, no alternative locations for the proposed alternatives were evaluated in this document. • No Project Alternative - A No Project Alternative was considered; however, it was rejected since it was inconsistent with the objectives of the Circulation Element of the City's General Plan. • On-Grade Crossing Alternative - This alternative proposed to create a vehicular crossing at grade as opposed to an elevated crossing. This alternative was considered infeasible due to approvals required from the NCTD (previously Atchison Topeka & Santa Fe Railroad) and the Public Utilities Commission (PUC). • Alternate Location Alternative - This alternative considered the railroad overcrossing at an alternate location. This alternative would have required acquisition of additional right-of- way to locate the bridge in a different location, and would have resulted in local circulation and noise impacts. This alternative was rejected because of inconsistency with the Circulation Element of the General Plan. • Alternate Alignment Alternative - This alternative considered an alternate alignment of the bridge crossing and eastern approaches. Acquisition of additional right-of-way between Avenida Encinas and Carlsbad Boulevard would have been required. Alternate Bridge Structure Height Recent engineering studies analyzed a bridge structure that provided 26 feet of vertical overhead clearance. This alternative was studied because it was considered possible that this vertical clearance would be required by NCTD. A structure with a vertical clearance of 26 feet would be three feet higher than the current bridge and could not be connected to the existing structure. A 26 foot bridge would need to be built as a completely independent structure. Construction of an independent structure would result in higher project costs. An independent structure would serve westbound traffic, while the existing bridge would serve eastbound traffic. Because of the differential vertical clearance at the railroad tracks, the profile of the eastbound and westbound roadways would be different. Because of this difference in profile grades, extensive retaining wall construction would be required to support the westbound roadway. Costs for retaining walls to support the westbound roadway would be approximately $300,000. Because of the increase in project costs and the differential roadway grade, the 26 foot vertical overhead clearance alternative was rejected by the City. It has also been subsequently determined that a 26 foot vertical clearance would not be required by the NCTD. 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC» LSA Associates, Inc. 1.5 Discretionary Actions I The following discretionary actions will be considered by the decision makers as part of the proposed action: M • Issuance of a Coastal Development Permit. • Adoption of the Mitigated Negative Declaration. I I I I I I I I I I I I I I I 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC» ISA Associates, Inc. 2.0 SUMMARY OF ENVIRONMENTAL FACTORS POTENTIALLY AFFECTED Please check any of the environmental factors listed below that would be potentially affected by this project. This would be any environmental factor that has at least one impact checked "Potentially Significant Impact," or "Less Than Significant With Mitigation Incorporated" in the checklist on the following pages. [ | Aesthetics [~] Air Quality )\ Biological Resources Cultural Resources Geological Problems Hazards Land Use and Planning 1 Noise [ I Energy & Mineral Resources | | Population and Housing Mandatory Findings of Significance Public Services Recreation | | Transportation/Circulation [~"| Utilities & Service Systems | | Water 11/15/99«P:\DEC832\1S-MND\IS-MND.DOC»10 I I I I I I I I I I I I I I I I I I LSA Associates, Inc. 3.0 EARLIER ANALYSES Earlier analyses may be used where, pursuant to the tiering, program EIR, or other CEQA process, one or more effects have been adequately analyzed in an earlier EIR or Negative Declaration (see Section 15063(c)(3)(D) of CEQA Guidelines. Master EIR for the General Plan Update In March 1994, a Master Environmental Impact Report (MEIR) was prepared to evaluate the 1993 update of the City of Carlsbad General Plan. The MEIR evaluates a broad range of potential environmental impacts associated with long-term implementation of the Carlsbad General Plan. The MEIR provides a program level analysis of build out conditions presented in the General Plan, which includes the proposed bridge widening. Widening of Poinsettia Lane from two to four lanes will bring the roadway into conformance with the major arterial designation identified in the Circulation Element of the General Plan. Given that the project is consistent with the Circulation Element analyzed in the MEIR, the MEIR was used as substantiation for several environmental checklist questions 4.0 DETERMINATION EH I find that the proposed project COULD NOT have a significant effect on the environment, and a NEGATIVE DECLARATION will be prepared. FX] I find that although the proposed project could have a significant effect on the environment, there will not be a significant effect in this case because the mitigation measures described on an attached sheet have been added to the project. A MITIGATED NEGATIVE DECLARATION will be prepared. EH I find that the proposed project MAY have a significant effect on the environment, and an ENVIRONMENTAL IMPACT REPORT is required. EH I find that the proposed project MAY have a "potentially significant impact" or "less than significant with mitigation incorporated" impact on the environment, but at least one effect 1) has been adequately analyzed in an earlier document pursuant to applicable legal standards, and 2) has been addressed by mitigation measures based on the earlier analysis as described on attached sheets. An ENVIRONMENTAL IMPACT REPORT is required, but it must analyze only the effects that remain to be addressed. I I I find that although the proposed project could have a significant effect on the environment, because all potentially significant effects (a) have been analyzed adequately in an earlier EIR or NEGATIVE DECLARATION pursuant to applicable standards and (b) have been avoided or mitigated pursuant to that earlier EIR or NEGATIVE DECLARATION, including revisions or mitigation measures that are imposed upon the proposed project. Therefore, a Notice of Prior Compliance hasbeen prepared. Plainer Sienaturey i ^ „, Date Planning Directors Signature Date 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC»11 I I I I 1 1 I I I I I I I I I I I I I ISA Associates, Inc. 5.0 ENVIRONMENTAL CHECKLIST CEQA Guidelines requires that the lead agency conduct an Environmental Impact Assessment to determine whether a project may have a significant effect on the environment. The Environmental Impact Assessment appears on the following pages in the form of a checklist. The checklist identifies any physical, biological, and human factors that might be impacted by the proposed project and provides the City with information to use as the basis for deciding whether to prepare an Environmental Impact Report (EIR) or Negative Declaration, or to rely on a previously approved EIR or Negative Declaration 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC» j 2 I I I I I I I I I I I I I I I I I I I ISA Associates, Inc. Issues (and Supporting Information Sources): (Supplemental documents may be referred to and attached) 1. Caltrans, January, 1992. California State and County Scenic Highways Map. 2. Caltrans, September 5, 1996. Officially Designated California Scenic Highways by Route. 3. City of Carlsbad Planning Office, March 10, 1983. Environmental Impact Report for the Widening and Extension ofPoinsettia Lane, EIR 82-6. 4. City of Carlsbad Planning Department, March, 1994. Final Master Environmental Impact Report for the City of Carlsbad General Plan Update. 5. City of Carlsbad, September 6, 1994. General Plan. 6. City of Carlsbad. Municipal Code. 7. City of Carlsbad. Standards for Design and Construction of Public Works Improvements in the City of Carlsbad. 8. Cotton/Beland/Associates, Inc., July, 1997. Final Program Environmental Impact Report for the Poinsettia Properties Specific Plan, SCH No. 96081027, EIR 96-01. 9. CYP, Inc., July 1, 1988. Scenic Corridor Guidelines for the City of Carlsbad. 10. San Diego Association of Governments, January, 1997. Regional Transportation Plan 1996-2020. 11. City of Carlsbad, July 16, 1996. Local Coastal Program. I. AESTHETICS - Would the project: a) Have a substantial adverse effect on a scenic vista? b) Substantially damage scenic resources, including, but not limited to, trees, rock outcroppings, and historic buildings within a state scenic highway? (Source: #1 and #2) c) Substantially degrade the existing visual character or quality of the site and its surroundings? d) Create a new source of substantial light or glare which would adversely affect day or nighttime views in the area? II. AGRICULTURE RESOURCES - In determining whether impacts to agricultural resources are significant environmental effects, lead agencies may refer to the California Agricultural Land Evaluation and Site Assessment Model (1997) prepared by the California Dept. of Conservation as an optional model to use in assessing impacts on agriculture and farmland. Would the project: a) Convert Prime Farmland, Unique Farmland, or Farmland of Statewide Importance (Farmland), as shown on the maps prepared pursuant to the Farmland Mapping and Monitoring Program of the California Resources Agency, to non- agricultural use? (Source: #8) b) Conflict with existing zoning for agricultural use, or a Williamson Act contract? (Source: #8) c) Involve other changes in the existing environment which, due to their location or nature, could result in conversion of Farmland, to non-agricultural use? 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC» Potentially Significant Impact Less Than Significant With Mitigation Incorporated Less Than Significant Impact No Impact D El D D D D 13 I I I I I I I I I I 1 I I I I I I I I LSA Associates, Inc. Issues (and Supporting Information Sources): (Supplemental documents may be referred to and attached) 1. Caltrans, January, 1992. California State and County Scenic Highways Map. 2. Caltrans, September 5, 1996. Officially Designated California Scenic Highways by Route. 3. City of Carlsbad Planning Office, March 10, 1983. Environmental Impact Report for the Widening and Extension ofPoinsettia Lane, EIR 82-6. 4. City of Carlsbad Planning Department, March, 1994. Final Master Environmental Impact Report for the City of Carlsbad General Plan Update. 5. City of Carlsbad, September 6, 1994. General Plan. 6. City of Carlsbad. Municipal Code. I. City of Carlsbad. Standards for Design and Construction of Public Works Improvements in the City of Carlsbad. 8. Cotton/Beland/Associates, Inc., July, 1997. Final Program Environmental Impact Report for the Poinsettia Properties Specific Plan, SCH No. 96081027, EIR 96-01. 9. CYP, Inc., July 1, 1988. Scenic Corridor Guidelines for the City of Carlsbad. 10. San Diego Association of Governments, January, 1997. Regional Transportation Plan 1996-2020. II. City of Carlsbad, July 16, 1996. Local Coastal Program. III. AIR QUALITY - Where applicable, the significance criteria established by the applicable air quality management or air pollution control district may be relied upon to make the following determinations. Would the project: a) Conflict with or obstruct implementation of the applicable air quality plan? b) Violate any air quality standard or contribute substantially to an existing or projected air quality violation? c) Result in a cumulatively considerable net increase of any criteria pollutant for which the project region is non- attainment under an applicable federal or state ambient air quality standard (including releasing emissions which exceed quantitative thresholds for ozone precursors)? d) Expose sensitive receptors to substantial pollutant concentrations? e) Create objectionable odors affecting a substantial number of people? Potentially Significant Impact Less Than Significant With Mitigation Incorporated Less Than Significant Impact No Impact D D 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC»14 I I I I I I I I I I I I I I I I I I I LSA Associates, Inc. Issues (and Supporting Information Sources): (Supplemental documents may be referred to and attached) 1. 2. 3. 4. 9. 10 California State and CountyCaltrans, January, 1992. Scenic Highways Map. Caltrans, September 5, 1996. Officially Designated California Scenic Highways by Route. City of Carlsbad Planning Office, March 10, 1983. Environmental Impact Report for the Widening and Extension ofPoinsettia Lane, EIR 82-6. City of Carlsbad Planning Department, March, 1994. Final Master Environmental Impact Report for the City of Carlsbad General Plan Update. City of Carlsbad, September 6, 1994. General Plan. City of Carlsbad. Municipal Code. City of Carlsbad. Standards for Design and Construction of Public Works Improvements in the City of Carlsbad. Cotton/Beland/Associates, Inc., July, 1997. Final Program Environmental Impact Report for the Poinsettia Properties Specific Plan, SCH No. 96081027, EIR 96-01. CYP, Inc., July 1, 1988. Scenic Corridor Guidelines for the City of Carlsbad. San Diego Association of Governments, January, 1997. Regional Transportation Plan 1996-2020. 11. City of Carlsbad, July 16, 1996. Local Coastal Program. IV. BIOLOGICAL RESOURCES - Would the project: a) Have a substantial adverse effect, either directly or through habitat modifications, on any species identified as a candidate, sensitive, or special status species in local or regional plans, policies, or regulations, or by the California Department of Fish and Game or U.S. Fish and Wildlife Service? b) Have a substantial adverse effect on any riparian habitat or other sensitive natural community identified in local or regional plans, policies, regulations or by the California Department of Fish and Game or U.S. Fish and Wildlife Service? c) Have a substantial adverse effect on federally protected wetlands as defined by Section 404 of the Clean Water Act (including, but not limited to, marsh, vernal pool, coastal, etc.) through direct removal, filling, hydrological interruption, or other means? d) Interfere substantially with the movement of any native resident or migratory fish or wildlife species or with established native resident or migratory wildlife corridors, or impede the use of native wildlife nursery sites? e) Conflict with any local policies or ordinances protecting biological resources, such as a tree preservation policy or ordinance? Potentially Significant Impact Less Than Significant With Mitigation Incorporated Less Than Significant No Impact Impact D 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC»15 I I I I I I I I I I I I I I I I I I I ISA Associates, Inc. Issues (and Supporting Information Sources): (Supplemental documents may be referred to and attached) 1. Caltrans, January, 1992. California State and County Scenic Highways Map. 2. Caltrans, September 5, 1996. Officially Designated California Scenic Highways by Route. 3. City of Carlsbad Planning Office, March 10, 1983. Environmental Impact Report for the Widening and Extension ofPoinsettia Lane, EIR 82-6. 4. City of Carlsbad Planning Department, March, 1994. Final Master Environmental Impact Report for the City of Carlsbad General Plan Update. 5. City of Carlsbad, September 6, 1994. General Plan. 6. City of Carlsbad. Municipal Code. 7. City of Carlsbad. Standards for Design and Construction of Public Works Improvements in the City of Carlsbad. 8. Cotton/Beland/Associates, Inc., July, 1997. Final Program Environmental Impact Report for the Poinsettia Properties Specific Plan, SCH No. 96081027, EIR 96-01. 9. CYP, Inc., July 1, 1988. Scenic Corridor Guidelines for the City of Carlsbad. 10. San Diego Association of Governments, January, 1997. Regional Transportation Plan 1996-2020. 11. City of Carlsbad, July 16, 1996. Local Coastal Program. f) Conflict with the provisions of an adopted Habitat Conservation Plan, Natural Community Conservation Plan, or other approved local, regional, or state habitat conservation plan? V. CULTURAL RESOURCES - Would the project: a) Cause a substantial adverse change in the significance of an historical resource as defined in §15064.5? (Source: #8) b) Cause a substantial adverse change in the significance of an archaeological resource pursuant to §15064.5? (Source: #8) c) Directly or indirectly destroy a unique paleontological resource or site or unique geologic feature? (Source: #8) d) Disturb any human remains, including those interred outside of formal cemeteries? (Source: #8) VI. GEOLOGY AND SOILS - Would the project: a) Expose people or structures to potential substantial adverse effects, including the risk of loss, injury, or death involving: i) Rupture of a known earthquake fault, as delineated on the most recent Alquist-Priolo Earthquake Fault Zoning Map issued by the State Geologist for the area or based on other substantial evidence of a known fault? Refer to Division of Mines and Geology Special Publication 42. ii) Strong seismic ground shaking? iii) Seismic-related ground failure, including liquefaction? 11/15/99«P:\0EC832\1S-MND\IS-MND.DOC» Potentially Significant Impact D Less Than Significant With Mitigation Incorporated Less Than Significant Impact No Impact D D D B D E 16 I I I I I I I I I I I I I I I I I I I LSA Associates, Inc. Issues (and Supporting Information Sources): (Supplemental documents may be referred to and attached) 1. 2. 5. 6. 7. 8. 9. 10. 11. Caltrans, January, 1992. California State and County Scenic Highways Map. Caltrans, September 5, 1996. Officially Designated California Scenic High-ways by Route. City of Carlsbad Planning Office, March 10, 1983. Environmental Impact Report for the Widening and Extension ofPoinsettia Lane, EIR 82-6. City of Carlsbad Planning Department, March, 1994. Final Master Environmental Impact Report for the City of Carlsbad General Plan Update. City of Carlsbad, September 6, 1994. General Plan. City of Carlsbad. Municipal Code. City of Carlsbad. Standards for Design and Construction of Public Works Improvements in the City of Carlsbad. Cotton/Beland/Associates, Inc., July, 1997. Final Program Environmental Impact Report for the Poinsettia Properties Specific Plan, SCH No. 96081027, EIR 96-01. CYP, Inc., July 1, 1988. Scenic Corridor Guidelines for the City of Carlsbad. San Diego Association of Governments, January, 1997. Regional Transportation Plan 1996-2020. City of Carlsbad, July 16, 1996. Local Coastal Program. iv) b) c) d) e) Landslides? Result in substantial soil erosion or the loss of topsoil? Be located on a geologic unit or soil that is unstable, or that would become unstable as a result of the project, and potentially result in on- or off-site landslide, lateral spreading, subsidence, liquefaction or collapse? Be located on expansive soil, as defined in Table 18-1-B of the Uniform Building Code (1994), creating substantial risks to life or property? Have soils incapable of adequately supporting the use of septic tanks or alternative waste water disposal systems where sewers are not available for the disposal of waste water? VII. HAZARDS AND HAZARDOUS MATERIALS - Would the project: a) Create a significant hazard to the public or the environment through the routine transport, use, or disposal of hazardous materials? b) Create a significant hazard to the public or the environment through reasonable foreseeable upset and accident conditions involving the release of hazardous materials into the environment? c) Emit hazardous emissions or handle hazardous or acutely hazardous materials, substances, or waste within one- quarter mile of an existing or proposed school? 11/15/99«P:\DEC832\JS-MND\IS-MND.DOC» Pot Sig Ir Less Than Significant entially With Less Than nificant Mitigation Significant No npact Incorporated Impact Impac X XX D D D D 17 I I I I I I I I I I I I I I I I I I I Issues (and Supporting Information Sources): (Supplemental documents may be referred to and attached) 1. 4. 5. 6. 7. 8. 9. 10. 11. Caltrans, January, 1992. California State and County Scenic High-ways Map. Caltrans, September 5, 1996. Officially Designated California Scenic Highways by Route. City of Carlsbad Planning Office, March 10, 1983. Environmental Impact Report for the Widening and Extension ofPoinsettia Lane, EIR 82-6. City of Carlsbad Planning Department, March, 1994. Final Master Environmental Impact Report for the City of Carlsbad General Plan Update. City of Carlsbad, September 6, 1994. General Plan. City of Carlsbad. Municipal Code. City of Carlsbad. Standards for Design and Construction of Public Works Improvements in the City of Carlsbad. Cotton/Beland/Associates, Inc., July, 1997. Final Program Environmental Impact Report for the Poinsettia Properties Specific Plan, SCH No. 96081027, EIR 96-01. CYP, Inc., July 1, 1988. Scenic Corridor Guidelines for the City of Carlsbad. San Diego Association of Governments, January, 1997. Regional Transportation Plan 1996-2020. City of Carlsbad, July 16, 1996. Local Coastal Program. d) e) f) g) Be located on a site which is included on a list of hazardous materials sites compiled pursuant to Government Code Section 65962.5 and, as a result, would it create a significant hazard to the public or the environment? (Source: #4) For a project located within an airport land use plan or, where such a plan has not been adopted, within two miles of a public airport or public use airport, would the project result in a safety hazard for people residing or working in the project area? (Source: #5) For a project within the vicinity of a private airstrip, would the project result in a safety hazard for people residing or working in the project area? (Source: #4) Impair implementation of or physically interfere with an adopted emergency response plan or emergency evacuation plan? (Source: #5) h) Expose people or structures to a significant risk of loss, injury or death involving wildland fires, including where wildlands are adjacent to urbanized areas or where residences are intermixed with wildlands? VIII. HYDROLOGY AND WATER QUALITY - Would the project: a) Violate any water quality standards or waste discharge requirements? ISA Associates, Inc. Potentially Significant Impact Less Than Significant With Mitigation Incorporated Less Than Significant Impact No Impactn n n n n 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC»18 I I I I I I I I I I I I I I I I I I I LSA Associates, Inc. Issues (and Supporting Information Sources): (Supplemental documents may be referred to and attached) 1. 2. 3. 5. 6. 7. 8. 9. 10. 11. c) d) Caltrans, January, 1992. California State and County Scenic Highways Map. Caltrans, September 5, 1996. Officially Designated California Scenic Highways by Route. City of Carlsbad Planning Office, March 10, 1983. Environmental Impact Report for the Widening and Extension ofPoinsettia Lane, EIR 82-6. City of Carlsbad Planning Department, March, 1994. Final Master Environmental Impact Report for the City of Carlsbad General Plan Update. City of Carlsbad, September 6, 1994. General Plan. City of Carlsbad. Municipal Code. City of Carlsbad. Standards for Design and Construction of Public Works Improvements in the City of Carlsbad. Cotton/Beland/Associates, Inc., July, 1997. Final Program Environmental Impact Report for the Poinsettia Properties Specific Plan, SCH No. 96081027, EIR 96-01. CYP, Inc., July 1, 1988. Scenic Corridor Guidelines for the City of Carlsbad. San Diego Association of Governments, January, 1997. Regional Transportation Plan 1996-2020. City of Carlsbad, July 16, 1996. Local Coastal Program. b) Substantially deplete groundwater supplies or interfere substantially with groundwater recharge such that there would be a net deficit in aquifer volume or a lowering of the local groundwater level (e.g., the production rate of pre- existing nearby wells would drop to a level which would not support existing land uses or planned uses for which permits have been granted? Substantially alter the existing drainage pattern of the site or area, including through the alteration of the course of a stream or river, in a manner which would result in substantial erosion or siltation on- or off-site? Substantially alter the existing drainage pattern of the site or area, including through the alteration of the course of a stream or river, or substantially increase the rate or amount of surface runoff in a manner which would result in flooding on- or off-site? e) Create or contribute runoff water which would exceed the capacity of existing or planned stormwater drainage systems or provide substantial additional sources of polluted runoff? f) Otherwise substantially degrade water quality? g) Place housing within a 100-year flood hazard area as mapped on a federal Flood Hazard Boundary or Flood Insurance Rate Map or other flood hazard delineation map? h) Place within a 100-year flood hazard area structures which would impede or redirect flood flows? (Source: #4) Potentially Significant Impact Less Than Significant With Mitigation Incorporated D Less Than Significant Impact No Impact D D D D D B n 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC»19 I I I I I I I I I I I I I I I I I I I ISA Associates, Inc. Issues (and Supporting Information Sources): (Supplemental documents may be referred to and attached) 1. Caltrans, January, 1992. California State and County Scenic Highways Map. 2. Caltrans, September 5, 1996. Officially Designated California Scenic Highways by Route. 3. City of Carlsbad Planning Office, March 10, 1983. Environmental Impact Report for the Widening and Extension ofPoinsettia Lane, EIR 82-6. 4. City of Carlsbad Planning Department, March, 1994. Final Master Environmental Impact Report for the City of Carlsbad General Plan Update. 5. City of Carlsbad, September 6, 1994. General Plan. 6. City of Carlsbad. Municipal Code. I. City of Carlsbad. Standards for Design and Construction of Public Works Improvements in the City of Carlsbad. 8. Cotton/Beland/Associates, Inc., July, 1997. Final Program Environmental Impact Report for the Poinsettia Properties Specific Plan, SCH No. 96081027, EIR 96-01. 9. CYP, Inc., July 1, 1988. Scenic Corridor Guidelines for the City of Carlsbad. 10. San Diego Association of Governments, January, 1997. Regional Transportation Plan 1996-2020. II. City of Carlsbad, July 16, 1996. Local Coastal Program. i) Expose people or structures to a significant risk of loss, injury or death, involving flooding, including flooding as a result of the failure of a levee or dam? (Source: #4) j) Inundation by seiche, tsunami, or mudflow? (Source: #4) IX. LAND USE AND PLANNING - Would the project: a) Physically divide an established community? b) Conflict with applicable land use plan, policy, or regulation of an agency with jurisdiction over the project (including, but not limited to the general plan, specific plan, local coastal program, or zoning ordinance) adopted for the purpose of avoiding or mitigating an environmental effect? (Source: #11) c) Conflict with any applicable habitat conservation plan or natural community conservation plan? X. MINERAL RESOURCES - Would the project: a) Result in the loss of availability of a known mineral resource that would be of value to the region and the residents of the state? (Source: #4) b) Result in the loss of availability of a locally-important mineral resource recovery site delineated on a local general plan, specific plan or other land use plan? Potentially Significant Impact Less Than Significant With Less Than Mitigation Significant Incorporated Impact No Impact D D D D D D D 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC»20 I I I I I I I I I I I I I I I I I I I LSA Associates, Inc. Issues (and Supporting Information Sources): (Supplemental documents may be referred to and attached) 1. Caltrans, January, 1992. California State and County Scenic Highways Map. 2. Calrrans, September 5, 1996. Officially Designated California Scenic Highways by Route. 3. City of Carlsbad Planning Office, March 10, 1983. Environmental Impact Report for the Widening and Extension ofPoinsettia Lane, EIR 82-6. 4. City of Carlsbad Planning Department, March, 1994. Final Master Environmental Impact Report for the City of Carlsbad General Plan Update. 5. City of Carlsbad, September 6, 1994. General Plan. 6. City of Carlsbad. Municipal Code. I. City of Carlsbad. Standards for Design and Construction of Public Works Improvements in the City of Carlsbad. 8. Cotton/Beland/Associates, Inc., July, 1997. Final Program Environmental Impact Report for the Poinsettia Properties Specific Plan, SCH No. 96081027, EIR 96-01. 9. CYP, Inc., July 1, 1988. Scenic Corridor Guidelines for the City of Carlsbad. 10. San Diego Association of Governments, January, 1997. Regional Transportation Plan 1996-2020. II. City of Carlsbad, July 16, 1996. Local Coastal Program. XI. NOISE - Would the project result in: a) Exposure of persons to or generation of noise levels in excess of standards established in the local general plan or noise ordinance, or applicable standards of other agencies? b) Exposure of persons to or generation of excessive groundbome vibration or groundbome noise levels? c) A substantial permanent increase in ambient noise levels in the project vicinity above levels existing without the project? d) A substantial temporary or periodic increase in ambient noise levels in the project vicinity above levels existing without the project? e) For a project located within an airport land use plan or, where such a plan has not been adopted, within two miles of a public airport or public use airport, would the project expose people residing or working in the project area to excessive noise levels? (Source: #4) f) For a project within the vicinity of a private airstrip, would the project expose people residing or working in the project area to excessive noise levels? (Source: #4) XII. POPULATION AND HOUSING - Would the project: a) Induce substantial population growth in an area, either directly (for example, by proposing new homes and businesses) or indirectly (for example, through extension of roads or other infrastructure)? (Source: #5) 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC» Potentially Significant Impact Less Than Significant With Mitigation Incorporated Less Than Significant Impact No Impact D D D D D D D 21 I I I I I I I I I I I I I I I I I I I LSA Associates, Inc. Issues (and Supporting Information Sources): (Supplemental documents may be referred to and attached) 1. 5. 6. 7. 8. 9. 10. 11. Caltrans, January, 1992. California State and County Scenic Highways Map. Caltrans, September 5, 1996. Officially Designated California Scenic High-ways by Route. City of Carlsbad Planning Office, March 10, 1983. Environmental Impact Report for the Widening and Extension ofPoinsettia Lane, EIR 82-6. City of Carlsbad Planning Department, March, 1994. Final Master Environmental Impact Report for the City of Carlsbad General Plan Update. City of Carlsbad, September 6,1994. General Plan. City of Carlsbad. Municipal Code. City of Carlsbad. Standards for Design and Construction of Public Works Improvements in the City of Carlsbad. Cotton/Beland/Associates, Inc., July, 1997. Final Program Environmental Impact Report for the Poinsettia Properties Specific Plan, SCH No. 96081027, EIR 96-01. CYP, Inc., July 1, 1988. Scenic Corridor Guidelines for the City of Carlsbad. San Diego Association of Governments, January, 1997. Regional Transportation Plan 1996-2020. City of Carlsbad, July 16, 1996. Local Coastal Program. b) c) Displace substantial numbers of existing housing, necessitating the construction of replacement housing elsewhere? Displace substantial numbers of people, necessitating the construction of replacement housing elsewhere? XIII. PUBLIC SERVICES a) Would the project result in substantial adverse physical impacts associated with the provision of new or physically altered governmental facilities, need for new or physically altered governmental facilities, the construction of which could cause significant environmental impacts, in order to maintain acceptable service ratios, response times or other performance objectives for any of the public services: Fire protection? Police protection? Schools? Parks? Other public facilities? XIV. RECREATION - a) Would the project increase the use of existing neighborhood and regional parks or other recreational facilities such that substantial physical deterioration of the facility would occur or be accelerated? 11/15/99«P:\DEC832\1S-MND\1S-MND.DOC» Potentially Significant Impact Less Than Significant With Mitigation Incorporated Less Than Significant Impact No Impact D D IEI EEX n 22 I I I I I I I I I I I I I I I I I I I Issues (and Supporting Information Sources): (Supplemental documents may be referred to and attached) 1. 2. 3. 4. 5. 6. 7. 9. 10. 11. Caltrans, January, 1992. California State and County Scenic Highways Map. Caltrans, September 5, 1996. Officially Designated California Scenic Highways by Route. City of Carlsbad Planning Office, March 10, 1983. Environmental Impact Report for the Widening and Extension ofPoinsettia Lane, EIR 82-6. City of Carlsbad Planning Department, March, 1994. Final Master Environmental Impact Report for the City of Carlsbad General Plan Update. City of Carlsbad, September 6, 1994. General Plan. City of Carlsbad. Municipal Code. City of Carlsbad. Standards for Design and Construction of Public Works Improvements in the City of Carlsbad. Cotton/Beland/Associates, Inc., July, 1997. Final Program Environmental Impact Report for the Poinsettia Properties Specific Plan, SCH No. 96081027, EIR 96-01. CYP, Inc., July 1, 1988. Scenic Corridor Guidelines for the City of Carlsbad. San Diego Association of Governments, January, 1997. Regional Transportation Plan 1996-2020. City of Carlsbad, July 16, 1996. Local Coastal Program. b)Does the project include recreational facilities or require the construction or expansion of recreational facilities which might have an adverse physical effect on the environment? XV. TRANSPORTATION/TRAFFIC - Would the project: a) Cause an increase in traffic which is substantial in relation to the existing traffic load and capacity of the street system (i.e., result in a substantial increase in either the number of vehicle trips, the volume to capacity ratio on roads, or congestion at intersections)? b) Exceed, either individually or cumulatively, a level of service standard established by the county congestion management agency for designated roads or highways? c) Result in a change in air traffic patterns, including either an increase in traffic levels or a change in location that results in substantial safety risks? d) Substantially increase hazards due to a design feature (e.g., sharp curves or dangerous intersections) or incompatible uses (e.g., farm equipment)? e) Result in inadequate emergency access? f) Result in inadequate parking capacity? g) Conflict with adopted policies, plans, or programs supporting alternative transportation (e.g., bus turnouts, bicycle racks)? LSA Associates, Inc. Potentially Significant Impact Less Than Significant With Mitigation Incorporated Less Than Significant Impact No Impact n n n n E 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC»23 I I I I I I I I I I I I I I I I I I I LSA Associates, Inc. Issues (and Supporting Information Sources): (Supplemental documents may be referred to and attached) 1. Caltrans, January, 1992. California State and County Scenic Highways Map. 2. Caltrans, September 5, 1996. Officially Designated California Scenic Highways by Route. 3. City of Carlsbad Planning Office, March 10, 1983. Environmental Impact Report for the Widening and Extension ofPoinsettia Lane, EIR 82-6. 4. City of Carlsbad Planning Department, March, 1994. Final Master Environmental Impact Report for the City of Carlsbad General Plan Update. 5. City of Carlsbad, September 6, 1994. General Plan. 6. City of Carlsbad. Municipal Code. I. City of Carlsbad. Standards for Design and Construction of Public Works Improvements in the City of Carlsbad. 8. Cotton/Beland/Associates, Inc., July, 1997. Final Program Environmental Impact Report for the Poinsettia Properties Specific Plan, SCH No. 96081027, EIR 96-01. 9. CYP, Inc., July 1, 1988. Scenic Corridor Guidelines for the City of Carlsbad. 10. San Diego Association of Governments, January, 1997. Regional Transportation Plan 1996-2020. II. City of Carlsbad, July 16, 1996. Local Coastal Program. XVI. UTILITIES AND SERVICE SYSTEMS - Would the project: a) Exceed wastewater treatment requirements of the applicable Regional Water Quality Control Board? b) Require or result in the construction of new water or wastewater treatment facilities or expansion of existing facilities, the construction of which could cause significant environmental effects? c) Require or result in the construction of new storm water drainage facilities or expansion of existing facilities, the construction of which could cause significant environmental effects. d) Have sufficient water supplies available to serve the project from existing entitlements and resources, or are new or expanded entitlements needed? e) Result in a determination by the wastewater treatment provider which serves or may serve the project that it has adequate capacity to serve the project's projected demand in addition to the provider's existing commitments? f) Be served by a landfill with sufficient permitted capacity to accommodate the project's solid waste disposal needs? g) Comply with federal, state, and local statutes and regulations related to solid waste? Potentially Significant Impact Less Than Significant With Mitigation Incorporated Less Than Significant Impact No Impact D D D D D D D 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC»24 I I I I I I I I I I I I I I I I I I I ISA Associates, Inc. Issues (and Supporting Information Sources): (Supplemental documents may be referred to and attached) 1. Caltrans, January, 1992. California State and County Scenic Highways Map. 2. Caltrans, September 5, 1996. Officially Designated California Scenic Highways by Route. 3. City of Carlsbad Planning Office, March 10, 1983. Environmental Impact Report for the Widening and Extension ofPoinsettia Lane, EIR 82-6. 4. City of Carlsbad Planning Department, March, 1994. Final Master Environmental Impact Report for the City of Carlsbad General Plan Update. 5. City of Carlsbad, September 6, 1994. General Plan. 6. City of Carlsbad. Municipal Code. I. City of Carlsbad. Standards for Design and Construction of Public Works Improvements in the City of Carlsbad. 8. Cotton/Beland/Associates, Inc., July, 1997. Final Program Environmental Impact Report for the Poinsettia Properties Specific Plan, SCH No. 96081027, EIR 96-01. 9. CYP, Inc., July 1, 1988. Scenic Corridor Guidelines for the City of Carlsbad. 10. San Diego Association of Governments, January, 1997. Regional Transportation Plan 1996-2020. II. City of Carlsbad, July 16, 1996. Local Coastal Program. XVII. MANDATORY FINDINGS OF SIGNIFICANCE - a) Does the project have the potential to degrade the quality of the environment, substantially reduce the habitat of a fish or wildlife species, cause a fish or wildlife population to drop below self-sustaining levels, threaten to eliminate a plant or animal community, reduce the number or restrict the range of a rare or endangered plant or animal or eliminate important examples of the major periods of California history or prehistory? b) Does the project have impacts that are individually limited, but cumulatively considerable? ("Cumulatively considerable" means that the incremental effects of a project are considerable when viewed in connection with the effects of past projects, the effects of other current projects, and the effects of probable future projects)? (Source: #4) c) Does the project have environmental effects which will cause substantial adverse effects on human beings, either directly or indirectly? Potentially Significant Impact Less Than Significant With Mitigation Incorporated Less Than Significant No Impact Impac X 1 1 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC»25 I I I I I I I I I I I I I I I I I I I LSA Associates, Inc. 6.0 ENVIRONMENTAL IMPACT ASSESSMENT DISCUSSION 6.1 AESTHETICS a) Would the project have a substantial adverse effect on a scenic vista? Less Than Significant Impact. Poinsettia Lane is designated in the Circulation Element as a Community Scenic Corridor because it offers "back country" vistas, occasional "blue water" views of the ocean, distant views of the lagoon, and flower fields and nurseries. The City's Scenic Corridor Guidelines identify goals for implementing community scenic corridors, including creation of a unique identity by selecting a predominant "theme" tree; preserving distant views of the ocean, lagoons, and backcountry; and encouraging special landscaped setbacks. On page 35 of the Guidelines, the recommended theme tree along Poinsettia Lane is Magnolia gradiflora (Southern Magnolia) with supporting trees being Brachychiton acerfolius (Flame Tree); southern magnolia is also recommended as the median tree within the Poinsettia Lane corridor. During roadway design, placement of Southern Magnolia specimen trees was considered. Due to the limited length of the median and the presence of other strong landscape elements (i.e., palm trees) at the Lakeshore Gardens Mobile Home Park and South Carlsbad State Beach, it was determined that placement of palm trees within the median would provide greater visual continuity within the existing setting than providing limited specimen trees of Southern Magnolia. However, the segment of Poinsettia Lane under study only provides views of the ocean and the South Carlsbad State Beach. Landscaping provided within the proposed median will consist of groupings of palm trees and small shrubbery or ground cover. The proposed landscape palette will provide visual continuity with existing palm trees at the Lakeshore Gardens Mobile Home Park and South Carlsbad State Beach and will enhance existing views of and from this facility. As the proposed bridge structure will be the same design as the existing bridge, views from passenger trains on the railroad will not be substantially altered. b) Would the project substantially damage scenic resources, including, but not limited to, trees, rock outcroppings, and historic buildings within a state scenic highway? No Impact Poinsettia Lane is not a State scenic highway. Refer to response 6.1.a for an assessment of the project's effect on City designated scenic corridors. c) Would the project substantially degrade the existing visual character or quality of the site and its surroundings? No Impact. As the proposed project is the widening of an existing facility at exactly the same grade and profile, the existing visual character will not be substantially altered. d) Would the project create a new source of substantial light or glare which would adversely affect day or nighttime views in the area? No Impact. Lighting from the proposed project will not be substantially greater than existing lighting on the bridge. 1 l/15/99«P:\DEC832\IS-MND\IS-MND.DOC» 26 I I I I I I I I I I I I I I I I I I I LSA Associates, Inc. 6.II AGRICULTURE RESOURCES a) Would the project convert Prime Farmland, Unique Farmland, or Farmland of Statewide Importance (Farmland), as shown on the maps prepared pursuant to the Farmland Mapping and Monitoring Program of the California Resources Agency, to non- agricultural use? No Impact. There are currently no agricultural activities occurring in the vicinity of the project site or on the existing slope embankment. As noted in the Poinsettia Properties Specific Plan EIR, the area surrounding the project site was historically used for agricultural purposes; however, the site has not been utilized in this manner since 1972 (Poinsettia Properties Specific Plan EIR, p. 5.1-1). There is no prime, unique or Statewide important farmland in the area (Poinsettia Properties Specific Plan EIR, pg. 5.8-1). b) Would the project conflict with existing zoning for agricultural use, or a Williamson Act contract? No Impact. No portion of the Poinsettia Properties project area is under a Williamson Act preservation contract (Poinsettia Properties EIR, p. 5.8-3). c) Would the project involve other changes in the existing environment which, due to their location or nature, could result in conversion of Farmland, to non-agricultural use? No Impact. Refer to response 6.II.a for discussion. 6.III AIR QUALITY a) Would the project conflict with or obstruct implementation of the applicable air quality plan? No Impact. Given that the proposed project is consistent with the Circulation Element, the widening will facilitate construction of the ultimate arterial system within the City and will help reduce the traffic impacts and traffic related air quality emissions of planned land uses within the City. As this is an anticipated roadway improvement, it will not obstruct implementation of the Regional Air Quality Strategy (RAQS) developed by the San Diego Air Pollution Control District. Additionally, as a major arterial, the proposed widening will provide continuous bicycle and sidewalks within the study area providing two alternative modes of transportation. Provision of these types of facilities is recommended by the RAQS. b) Would the project violate any air quality standard or contribute substantially to an existing or projected air quality violation? No Impact Poinsettia Lane is projected to be Level of Service A with and without the proposed project, as discussed in response 6.XV.a (Transportation/Traffic). Due to the acceptable level of service, there will be negligible impacts to local air quality. 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC» 27 I I I I I I I I I I I I I I I I I I I LSA Associates, Inc. c) Would the project result in a cumulatively considerable net increase of any criteria pollutant for which the project region is non-attainment under an applicable federal or state ambient air quality standard (including releasing emissions which exceed quantitative thresholds for ozone precursors)? No Impact. There will be no net increase in pollutants, as the volumes and level of service are the same for the with and without project scenarios. Additionally, beneficial air quality effects will result from reduced congestion and improved level of service during weekends and summer peak hours when traffic volume at the South Carlsbad State Beach is greatest. d) Would the project expose sensitive receptors to substantial pollutant concentrations? No Impact. As identified in Table 6.XV.A, the roadway will operate at an acceptable level of service with widening of the existing facility. Existing sensitive receptors at the Lakeshore Gardens Mobile Home Park and at South Carlsbad State Beach are not expected to be exposed to concentrated localized pollution emissions or carbon monoxide "hot spots" from increased traffic volumes, with or without the project. e) Would the project create objectionable odors affecting a substantial number of people? Less Than Significant Impact Project construction activities such as asphalt paving may generate short-term odors, which may be noticed by residents in the Lakeshore Gardens Mobile Home Park. These odors would be typical of roadway construction work and would be temporary, lasting only for a limited duration. Odors generated by vehicles travelling on the additional travel lanes will not be substantially greater than those under current conditions. 6.IV BIOLOGICAL RESOURCES a) Would the project have a substantial adverse effect, either directly or through habitat modifications, on any species identified as a candidate, sensitive, or special status species in local or regional plans, policies, or regulations, or by the California Department of Fish and Game or U.S. Fish and Wildlife Service? Less Than Significant With Mitigation Incorporated. LSA Associates, Inc. conducted a biological evaluation to assess potential project impacts to biological resources. Appendix A contains the biological evaluation in its entirety. The biological survey identified approximately 0.65 acre of mature coastal sage scrub (CSS) on the northern slope embankments of the existing Poinsettia Lane bridge and approaches, west of the NCTD tracks (refer to Figure 5). Approximately 0.34 acre will be permanently impacted by construction of the proposed project. Three species of birds were observed during the biological survey; however, the coastal California gnatcatcher (Polioptila polioptila californicd) was not observed. The wildlife inhabiting the CSS will lose a small amount of habitat as a result of the project; however, the CSS on site is isolated and does not have a linkage to other CSS populations. No wildlife dependent on CSS was observed, and the small area in conjunction with the isolation from other CSS communities reduces the 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC» 28 SL^«.;.,:,,-;.U£; --/.: ..„,-• ,,. *,,.«*,. S?fe?ffi^ --,»,v i:| i! ".• . C7ISTIM RtCMT Of, «*T ft»^ .•' j^-t"tcHT rr JUY yp ntiuscTTU LAK LEGEND: ££$£! CSS (0.21 acre) to be Preserved ] CSS (0.34 acre) to be impacted by Proposed Construction Base Map Source: Dokken Engineering. 10/5/99(DEC832) LSA Scale in Feet I I 0 50 100 Figure 5 Coastal Sage Scrub Impacts of Proposed Project I I I I I I I I I I I I I I I I I I I ISA Associates, Inc. habitat value of the CSS for supporting species such as gnatcatchers. Mitigation consistent with the Natural Communities Conservation Planning (NCCP) program will be provided. The City's existing interim Section 4(d) Incidental Take Authorization requires that all impacts to CSS habitat be mitigated, regardless of the presence of California gnatcatchers. The Draft Habitat Management Plan for the City of Carlsbad proposes to establish the Lake Calavera property as a mitigation bank for City projects. The approximately 250 acre property is owned by the Carlsbad Municipal Water District (CMWD). The bank will be able to mitigate impacts to coastal sage scrub not occupied by the California gnatcatcher, chaparral, and non-native grasslands. Because the proposed Poinsettia Lane bridge widening project will impact coastal sage scrub not occupied by the California gnatcatcher, the impact can be mitigated at Lake Calavera. A meeting was held with representatives of the U.S. Fish and Wildlife Service (USFWS) and the California Department of Fish and Game (CDFG) on July 15, 1999, to discuss the project's impacts and mitigation requirements. Representatives from the USFWS and CDFG agreed that protocol gnatcatcher surveys would not be required and that mitigation of the 0.34 acre of impacted CSS habitat at a 1:1 ratio within the Lake Calavera mitigation bank is appropriate. For purpose of wildlife agency permitting, it was also agreed that the CSS impacts would be considered a "de minimus exemption" as defined in the Section 4(d) take authorization. A de minimus exemption is applicable only when 1) less than one acre of habitat is lost; 2) the habitat is not occupied by California gnatcatchers; 3) the loss of the habitat will not preclude the design of the reserve system; and 4) the habitat is of low value or medium value and is outside of identified preserve planning areas. Mitigation Measure 6.IV.1 Prior to project initiation, the City shall obtain a Section 4(d) take authorization from the USFWS. As part of this take authorization, the City shall mitigate impacts to CSS at a 1:1 ratio within the Lake Calavera mitigation bank. b) Would the project have a substantial adverse effect on any riparian habitat or other sensitive natural community identified in local or regional plans, policies, regulations or by the California Department of Fish and Game or U.S. Fish and Wildlife Service? Less Than Significant With Mitigation Incorporated. Sensitive habitat within the project study area is limited to coastal sage scrub (see response 6.IV.a, above). Vernal pool habitat has previously been identified north of the study area; however, no vernal pool habitat is identified within the study area (see Appendix A). Refer to response 6.IV.C for reducing indirect effects to the vernal pool habitat. c) Would the project have a substantial adverse effect on federally protected wetlands as defined by Section 404 of the Clean Water Act (including, but not limited to, marsh, vernal pool, coastal, etc.) through direct removal, filling, hydrological interruption, or other means? No Impact. A vernal pool habitat is located north of the project boundary and east of the NCTD tracks. The vernal pool habitat is bordered by a chain link fence on the east and south 11/15/99«P:\DEC832\IS-MND\1S-MND.DOC» 30 I I I I I I I I I I I I I I I I I I I LSA Associates, Inc. edges and the NCTD tracks on the west. Approximately 12 San Diego button-celery (Eryngium aristulatum parishii), a species listed as endangered (State and federal), were observed in the southeastern edge of the vernal pool habitat, approximately 14 feet outside of the project limits. No San Diego button-celery was observed within the project boundary. Given that the proposed improvements will be constructed on top of the existing embankments (Figure 4), there will be no effect on the hydrological regimen within the study area. As there will be no alteration of the area's hydrological regimen, no indirect effects to vernal pool resources are expected from the proposed widening. d) Would the project interfere substantially with the movement of any native resident or migratory fish or wildlife species or with established native resident or migratory wildlife corridors, or impede the use of native wildlife nursery sites? No Impact No wildlife corridors or native wildlife nursery sites within the project area were identified by the Biological Resources Evaluation Study (Appendix A). e) Would the project conflict with any local policies or ordinances protecting biological resources, such as a tree preservation policy or ordinance? No Impact. As shown in Figure 3, the project study area does not contain any trees. f) Would the project conflict with the provisions of an adopted Habitat Conservation Plan, Natural Community Conservation Plan, or other approved local, regional, or state habitat conservation plan ? No Impact. Refer to response 6.IV.a for discussion and mitigation. 6.V CULTURAL RESOURCES a) Would the project cause a substantial adverse change in the significance of an historical resource as defined in §15064.5? No Impact. A records search and literature review were conducted for the Poinsettia Properties EIR, and a site survey was conducted by Gallegos and Associates on July 14, 1994. The site survey found a single cultural resource, CA-SDI-13729/H (W-6107), located southeast of the intersection of Carlsbad Boulevard and Poinsettia Lane in Parcel C of the Poinsettia Properties project. This site is not located within the area of the bridge widening or the temporary construction staging area; therefore, this site will not be affected by the proposed project. The slope embankments currently supporting the road and bridge consist entirely of fill material imported for the construction of the existing road and bridge in 1985. As construction of the proposed project is limited to the existing embankment, the potential to encounter cultural resources is negligible. Staging areas for construction would be located in areas previously surveyed as part of the FEIR for the Poinsettia Properties Specific Plan. No cultural resources were identified within the proposed staging areas. 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC» 3 \ I I I I I I I I I I I I I I I I I I I LSA Associates, Inc. b) Would the project cause a substantial adverse change in the significance of an archaeological resource pursuant to §15064.5? No Impact Refer to response 6.V.a for discussion. c) Would the project directly or indirectly destroy a unique paleontological resource or site or unique geologic feature? No. Impact. The Poinsettia Properties Specific Plan project site is located in an area identified as a "potentially significant fossil area" from the Quartemary period. Quarternary age alluvium deposits have the potential to contain fossilferous rock from Pleistocene terrace deposits of not more than two million years in age. Further analysis identified that the Poinsettia Properties Specific Plan project site is underlain by Pleistocene/Holocene sedimentary deposits, with the upper three feet containing modern alluvium and soils. Based on the findings of these analyses, the paleontological resource potential of the area is rated as moderate. Given that all grading will be limited to the existing embankments, the potential for encountering paleontological resources is considered negligible. As the project area is generally flat, there are no unique geologic features. d) Would the project disturb any human remains, including those interred outside of formal cemeteries? No Impact. The cultural resources assessment conducted for the Poinsettia Properties Specific Plan EIR did not identify any known human remains within the Specific Plan area. 6.VI GEOLOGY AND SOILS a) Would the project expose people or structures to potential substantial adverse effects, including the risk of loss, injury, or death involving: i) Rupture of a known earthquake fault, as delineated on the most recent Alquist-Priolo Earthquake Fault Zoning Map issued by the State Geologist for the area or based on other substantial evidence of a known fault? Refer to Division of Mines and Geology Special Publication 42. No Impact. As noted in the Structure Foundation Report (Appendix B), the project site is not located within a currently established Alquist-Priolo Earthquake Study Zone. ii) Strong seismic ground shaking? Less Than Significant Impact The nearest active fault is the Newport-Inglewood-Rose Canyon/East Fault, located approximately five miles to the west (Appendix B). The estimated peak acceleration during the maximum credible earthquake on this fault is estimated to be 0.5g. Construction of the widening project will incorporate the seismic 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC» 32 I I I I I I I I I I I I I I I I I I I ISA Associates, Inc. design recommendations identified in the Structure Foundation Report (Appendix B). These recommendations are consistent with Caltrans' seismic standards. Therefore, the potential for seismic hazards will be reduced to below a level of significance. Hi) Seismic-related ground failure, including liquefaction? Less Than Significant Impact. Liquefaction occurs when loose granular soils below the water table are subject to vibration, such as those induced by earthquakes (Appendix B). Dense materials were encountered at shallow depths in all of the sample borings conducted as part of the Structure Foundation Report, (Appendix B). Groundwater was encountered at depths of 18 to more than 50 feet below ground level. Since groundwater levels are relatively deep and shallow soils are dense, the potential for liquefaction or other seismic related ground failure is considered low. iv) Landslides? No Impact. The existing slope embankments were constructed as an engineered artificial fill, consistent with Caltrans' standard specifications, and the potential for landslides is negligible. No other sources of landslides exist in the project area or surrounding vicinity. b) Would the project result in substantial soil erosion or the loss of topsail? No Impact. The proposed project would not alter the existing drainage pattern within the project study area. The existing drainage pattern of the site would remain the same since the configuration of the slopes and road would remain unchanged (Figure 4). As the drainage patterns remain the same, the rates of soil erosion and loss of topsoil under current conditions will not be affected. c) Would the project be located on a geologic unit or soil that is unstable, or that would become unstable as a result of the project, and potentially result in on- or off-site landslide, lateral spreading, subsidence or collapse? Less Than Significant Impact. The existing abutments were constructed by placing approximately 22 to 35 feet of fill. The fill at the abutments is underlain by terrace deposits, which in turn are underlain by the Santiago Formation. The terrace deposits extend to depths of 37 to 44 feet. The Santiago Formation continues to the maximum depth explored, 66.3 feet. The fill consists of silty sand. The terrace deposits are composed of medium dense to dense clayey and silty sandstones and sandy claystones. The underlying Santiago Formation consists of a very dense or hard silty sandstone and clayey siltstone. Refer to responses 6.VI.a.iii and 6.VI.a.iv for a discussion on the potential for liquefaction and landslides. Given that the existing embankments were constructed as engineered fill, the potential for lateral spreading, subsidence, or collapse is considered negligible. 11/15/99«P:\DEC832\IS-MND\1S-MND.DOC» 33 I I I I I I I I I I I I I I I I I I I LSA Associates, Inc. d) Would the project be located on expansive soil, as defined in Table 18-1-B of the Uniform Building Code (1994), creating substantial risks to life or property? No Impact The Structure Foundation Report did not identify any expansive soils within the project study area (Appendix B). e) Would the project have soils incapable of adequately supporting the use of septic tanks or alternative waste water disposal systems where sewers are not available for the disposal of waste water? No Impact, No septic tanks or alternative wastewater disposal systems are proposed. 6.VII HAZARDS AND HAZARDOUS MATERIALS a) Would the project create a significant hazard to the public or the environment through the routine transport, use, or disposal of hazardous materials? No Impact. Traffic utilizing existing Poinsettia Lane may include vehicles that are transporting hazardous materials or waste. The proposed project will expose the public to no greater risk of an accidental explosion or release of hazardous substances than occurs today. b) Would the project create a significant hazard to the public or the environment through reasonable foreseeable upset and accident conditions involving the release of hazardous materials into the environment? No Impact. Refer to response 6.VII.a for discussion. c) Would the project emit hazardous emissions or handle hazardous or acutely hazardous materials, substances, or waste within one-quarter mile of an existing or proposed school? No Impact. There are no schools, existing or proposed, within one-quarter mile of the project site (MEIR, Map 5.12.7-2). d) Would the project be located on a site which is included on a list of hazardous materials sites compiled pursuant to Government Code Section 65962.5 and, as a result, would it create a significant hazard to the public or the environment? Less Than Significant Impact. Given the fact that the existing embankment consists of imported material, the likelihood of encountering hazardous materials/waste during grading on the top of the embankment is considered negligible. However, since construction staging areas are anticipated at the base of the embankments, an assessment of the potential for encountering contamination in this area was conducted. An Environmental Site Assessment (Vista Environmental Site Assessment, June 7, 1999) was conducted to determine the potential for underground tank leaks, hazardous waste sites, tank spills of hazardous materials, active and inactive landfills, solid waste transfer stations, and State and federal hazardous waste sites within the project vicinity (Appendix C). 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC» 34 I I I I I I I I I I I I I I I I I I 1 ISA Associates, Inc. There are no known hazardous material/waste sites (Vista, 1999). However, two small generators of hazardous waste are located within one-half mile of the project site: Hour Photo, located at 7040 Avenida Encinas, and Carlsbad Volvo, located at 6830 Avenida Encinas. Additionally, Hoehn Honda, located at 6800 Avenida Encinas, reported two leaking underground storage tanks in July, 1998. Both tanks are identified on the State Leaking Underground Storage Tank (LUST) list. One tank is currently undergoing a preliminary site assessment to determine appropriate remediation, and the other tank has not yet begun the preliminary site assessment process. Soil is primarily affected to a shallow depth, and the potential for groundwater contamination is low; therefore, the likelihood of migration of contaminated groundwater under the project site is negligible. A site walkover was conducted by LSA Associates, Inc. in June, 1999, and did not reveal any substantial hazardous materials/waste concerns within the slope embankments or construction staging area. e) For a project located within an airport land use plan or, where such a plan has not been adopted, within two miles of a public airport or public use airport, would the project result in a safety hazard for people residing or working in the project area? No Impact, The nearest airport is the McClellan-Palomar Airport, is located approximately 2.1 miles northwest of the project site (Map 2 of the Land Use Element of the General Plan). Due to its distance, the existing bridge does not affect vertical clearance requirements for airplanes accessing this airport. Given the fact that the proposed bridge structure will be the same height as the existing facility, potential safety hazards associated with the proposed project would be no greater than occurs under existing conditions. f) For a project within the vicinity of a private airstrip, would the project result in a safety hazard for people residing or working in the project area? No Impact. The project site is not located within the vicinity of a private airstrip (MEIR, Map 5.9-1). g) Would the project impair implementation of or physically interfere with an adopted emergency response plan or emergency evacuation plan? No Impact. Poinsettia Lane is not identified as an emergency evacuation route in the Public Safety Element of the General Plan (Public Safety Element, pg. 5). The proposed project would widen the Poinsettia Lane bridge from two to four lanes and, therefore, would improve traffic movement on Poinsettia Lane between Avenida Encinas and Carlsbad Boulevard. h) Would the project expose people or structures to a significant risk of loss, injury or death involving wildland fires, including where wildlands are adjacent to urbanized areas or where residences are intermixed with wildlands? No Impact There are no wildlands within the project vicinity (Figure 3); therefore, the project would not cause any increased risk of loss due to wildland fires. 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC»35 I I I I I I I I I I I I I I I I I I I ISA Associates, Inc. 6.VIII HYDROLOGY AND WATER QUALITY a) Would the project violate any water quality standards or waste discharge requirements? Less Than Significant Impact. The proposed project will increase the amount of impervious surface resulting in increased roadway runoff. The proposed project will not increase the number of cars using the bridge now and in the future. The amount of pollutants from what occurs under current conditions will not substantially increase. During construction, the potential exists for increased erosion and pollutants to enter the existing storm drain system. During final design, the project engineer will comply with the "Grading and Erosion Control - Design Criteria" of the "Standards for Design and Construction of Public Works Improvements in the City of Carlsbad" section of the City's Municipal Code, which requires preparation of an erosion control plan that, when implemented, limits off-site erosion during construction. The final project design will include detailed erosion control plans for use by the contractor. Mitigation Measure 6. VIIL1 During final design, detailed erosion control plans shall be prepared for approval by the Director, Department of Public Works. Approved detailed erosion control plans shall be included in the design plans and specifications provided to all contractors. Mitigation Measure 6. VIII.2 During construction, the Department of Public Works shall monitor the installation and maintenance of the erosion control plan to verify that all measures have been implemented and that runoff/sediment from the project work area is being intercepted. b) Would the project substantially deplete groundwater supplies or interfere substantially with groundwater recharge such that there would be a net deficit in aquifer volume or a lowering of the local groundwater level (e.g., the production rate of pre-existing nearby wells would drop to a level which would not support existing land uses or planned uses for which permits have been granted? Less Than Significant Impact There will be no long-term effects to groundwater supplies since the roadway will not draw water from this resource; it will use reclaimed water. Groundwater was encountered in two of the borings at 30.5 and 29.5 feet below ground surface (Appendix B). Construction of the proposed bridge structure will require foundation piles to be driven approximately 10 to 14 feet into the Santiago Formation. The formation is situated approximately 7 to 12 feet below the point where groundwater was encountered during the sample borings. Given the proximity of groundwater levels, cast-in-drilled hole (CIDH) piles will not be utilized to support the widening. Utilizing the driven pile construction technique, the piles will be driven into the bedrock formation through the groundwater table. Groundwater will be displaced underground, and no water will be brought to the surface. 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC»36 I I I I I I I I I I I I I I I I I I I ISA Associates, Inc. c) Would the project substantially alter the existing drainage pattern of the site or area, including through the alteration of the course of a stream or river, in a manner which would result in substantial erosion or siltation on- or off-site? No Impact. The proposed project would not alter the existing drainage pattern of the project site and vicinity. The existing drainage pattern of the site would remain the same, since the configuration of the slopes and road would remain unchanged (Figure 4). As the drainage patterns remain the same, the rates of erosion and siltation that occur under current conditions will not be affected. d) Would the project substantially alter the existing drainage pattern of the site or area, including through the alteration of the course of a stream or river, or substantially increase the rate or amount of surface runoff in a manner which would result in flooding on- or off-site? No Impact. The widening of the bridge and approaches would increase the amount of impervious surface area, which could increase the rate of runoff during storm events. Post- project runoff would be accommodated by the existing storm drains and the proposed extension of the drainage inlet between Sta. 1756+00 and Sta. 1756+50. The contribution of the proposed project to stormwater runoff volumes would not alter existing rates of surface runoff. Downstream drainage facilities are sized in accordance with the City of Carlsbad Master Plan of Drainage, and are designed to accommodate the increased runoff associated with the planned widening of Poinsettia Lane. e) Would the project create or contribute runoff water which would exceed the capacity of existing or planned stormwater drainage systems or provide substantial additional sources of polluted runoff? No Impact. The proposed project would incrementally increase surface runoff due to the addition of two travel lanes; however, the increase would not exceed the capacity of the existing stormwater drainage system. Refer to responses 6.VIII.a and 6.VIII.d for discussions on facility capacity and water quality. f) Would the project otherwise substantially degrade water quality? No Impact. Refer to response 6.VIII.a for a discussion of water quality. g) Would the project place housing within a 100-year flood hazard area as mapped on a federal Flood Hazard Boundary or Flood Insurance Rate Map or other flood hazard delineation map? No Impact. No residential structures are proposed as part of the project. 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC»37 I I I I I I I I I I I I I I I I I I I LSA Associates, Inc. h) Would the project place within a 100-year flood hazard area structures which would impede or redirect flood flows? No Impact. As shown in Figure 5.10.1-1 of the MEIR, the project site is not located with a FEMA 100 year flood hazard zone. Therefore, flood flows would not be affected. i) Would the project expose people or structures to a significant risk of loss, injury or death, involving flooding, including flooding as a result of the failure of a levee or dam? No Impact. As shown in Figures 5.10.1-1 and 5.10.1-2 of the MEIR, the project site is not located within a FEMA 100 year flood zone or a catastrophic dam failure inundation area. j) Inundation by seiche, tsunami, or mudflow? No Impact. As shown in Figure 5.10.1-2 of the MEIR, the project area is located outside the tsunami inundation area. 6.IX LAND USE AND PLANNING a) Would the project physically divide an established community? No Impact. As shown in Figure 3, the proposed project will not physically divide an established community because all of the proposed improvements are within and adjacent to existing right-of-way, where no homes are located. The nearest residential units are located on the south side of the road where no improvements are occurring. b) Would the project conflict with applicable land use plan, policy, or regulation of an agency with jurisdiction over the project (including, but not limited to the general plan, specific plan, local coastal program, or zoning ordinance) adopted for the purpose of avoiding or mitigating an environmental effect? No Impact. The proposed bridge widening is consistent with the major arterial designation for Poinsettia Lane in the Circulation Element of the General Plan. The proposed project is located within the Coastal Zone. A Coastal Development Permit (CDP) was issued May 9, 1984, for the existing facility and acknowledged the future widening of the bridge. As part of the bridge widening process, an application for amendment to the original CDP was submitted to the California Coastal Commission on February 18,1999. The Coastal Commission responded in a letter dated March 18, 1999, that stated that the original CDP did not address the proposed widening. Based on the Commission's determinations, a finding of consistency with the City's Local Coastal Program (LCP) will be required. The proposed project is located within the Mello II Segment of the City's Local Coastal Program. The City has permitting authority for projects within the Coastal Zone (except for the Agua Helionda LCP segment). Land uses and roadway improvements identified in the City's General Plan have been incorporated into the Mello II Segment of the LCP. Given that it is consistent with the Circulation Element of the 11/15/99«P:\DEC832\1S-MND\IS-MND.DOC»38 LSA Associates, Inc. General Plan, the proposed project is consistent with the planned roadways within this portion of the Coastal Zone. Poinsettia Lane between Avenida Encinas and Carslbad Boule- vard is identified on the LCP Segment Boundaries exhibit (pg. 5, LCP). Policy 5-5 of the Mello II Segment of the LCP recommends that Poinsettia Lane be completed as a major arterial (four lanes) providing direct coastal access to Carlsbad Boulevard. The proposed project is consistent with Policy 5-5 in that Poinsettia Lane would be constructed as a major arterial and provide enhanced access to Carlsbad Boulevard and South Carlsbad State Beach. The proposed project is consistent with other pertinent LCP policies, as described below, and will not adversely affect coastal resources or access. The proposed project will not affect visual access (Policy 7-13, Visual Access, of the LCP). The proposed landscape palette will provide visual continuity within the existing views of and from Poinsettia Lane and will not block or alter existing views of the ocean and South Carlsbad State Beach from Carlsbad Boulevard. As described in Response 6.II.a and 6.V.a, the proposed project will not affect or convert any designated coastal agricultural lands (Policy 2-1, Conservation of Agricultural Lands) to urban development nor affect archaeological or paleontological resources (Policy 8-4, Archaeological and Paleontological Resources). Approximately 0.34 acre of non-occupied coastal sage scrub will be permanently impacted by the proposed project. As described in Response 6.IV.a, mitigation of the impacted acreage will be accomplished at a 1:1 ratio within the Lake Calavera mitigation bank. The proposed project will not contribute to coastal erosion (Policy 4-1, Coastal Erosion), given that the project is located across Carlsbad Boulevard, direct or indirect beach sand erosion resulting from the project is unlikely. The project will not alter existing drainage patterns and would not result in increased soil erosion. During project construction, the potential exists for increased erosion and pollutants to enter the storm drain system. The project will be in compliance with the "Grading and Erosion Control - Design Criteria" of the "Standards for Design and Construction of Public Works Improvements in the City of Carlsbad" section of the City's Municipal Code. In addition, a NPDES permit will be required for construction activities. Policy 3-4 of the LCP prohibits grading activities between October 1 and April 1 to reduce the potential for erosion and sediment to affect coastal resources. Since there is no grading, as defined in the City's Grading Ordinance, the proposed project would not be subject to a limitation on grading between October and April. c) Would the project conflict with any applicable habitat conservation plan or natural community conservation plan? Less Than Significant With Mitigation Incorporated, Refer to response 6.IV.a (Biological Resources) for discussion. 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC»39 LSA Associates, Inc. 6.X MINERAL RESOURCES a) Would the project result in the loss of availability of a known mineral resource that would be of value to the region and the residents of the state? No Impact. As depicted in Figure 5.13-2 of the MEIR, the project site is not located in an area of known mineral resources, either of regional or local value. b) Would the project result in the loss of availability of a locally-important mineral resource recovery site delineated on a local general plan, specific plan or other land use plan? No Impact Refer to response 6.X.a for discussion of the project's relationship to known mineral resources within the City. 6.XI NOISE a) Would the project result in exposure of persons to or generation of noise levels in excess of standards established in the local general plan or noise ordinance, or applicable standards of other agencies? Less Than Significant Impact. A noise analysis (LSA Associates, Inc., 1999) was prepared for the proposed project and is included in its entirety in Appendix D. Eight receptor locations located in the Lakeshore Gardens Mobile Home Park were modeled for two future scenarios: with and without the project. Traffic noise levels at these receptor locations would either decrease by as much as 1.4 dBA or increase no more than 0.2 dBA from the corresponding no project noise levels. The decrease in traffic noise level would result from traffic being moved north and would receive higher noise attenuation from the southern edge of the roadway and existing jersey barrier along the south side of the road. The increases at two of the receptors are small and statistically negligible. Any noise level change of less than three dBA is considered less than significant. As shown in Table 6.XI.A, there would be no substantial project related traffic noise impacts, future with project noise levels would not exceed established noise standards, and no mitigation is required. Figure 6 depicts the noise modeling locations. 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC» 40 ®®R5 R7 ® Base Map Source: Dokken Engineering. 8/3/99(DEC832)Figure 6 LSA Scale in Feet I I 0 50 100 Noise Modeling Locations I I I I I I I I I I I I I I I I I I I LSA Associates, Inc. Table 6.XI.A - Peak Hour Noise Levels at Sensitive Receptor Locations 1 Hour Leq Levels (dBA) Receptor Rl R2 R3 R4 R5 R6 R7 R8 Future Without Project 61.3 60.9 59.7 61.4 59.6 63.2 57.5 56.9 Future With Project 60.1 60.1 59.3 60.0 59.0 63.4 57.5 57.0 Project Related Increase -1.2 -0.8 -0.4 -1.4 -0.6 0.2 0.0 0.1 b) Would the project result in exposure of persons to or generation of excessive groundborne vibration or groundborne noise levels? Less Than Significant With Mitigation Incorporated. The noise analysis (Appendix D) indicates that the proposed project would have beneficial effects on the existing mobile home residents to the south of the project, as indicated in response 6.XI.a, above. Short-term construction noise and groundborne vibrations will occur during foundation construction and are considered a potential short-term impact. Mitigation measure 6.XI.1 will reduce impacts to below the level of significance. Pile driving activities would generate maximum noise levels ranging from 81 to 96 dBA L^ at a distance of 50 feet. Because the piles would be driven into the ground, only the engine noise and impact sound between the pile driver and the pile being driven would be heard at a distance. As a worst case scenario, the level recommended for pile driving, 93 dBA Lmax at 50 feet, is used in this analysis. At a distance of more than 100 feet from active pile driving, the noise would be reduced to 87 dBA L^ or lower. At its nearest point, construction (i.e., bridge widening construction) on the north side of Poinsettia Lane west of the bridge would take place within a distance of about 100 to 150 feet from those receptors located along the south side of Poinsettia Lane east of the bridge. In addition to limiting hours of construction activities (Mitigation Measure 6.XI.1), equipment and operational specifications shall be followed as identified in Mitigation Measure 6.XI.2 to reduce pile driving and other construction noise activities. Implementation of Mitigation Measures 6.XI.1 and 6.XI.2 will reduce noise impacts associated with construction activities to less than significant. Mitigation Measure 6.XI.1 Initial construction has the potential to create significant impacts at the homes located along Poinsettia Lane, and mitigation is warranted to reduce these impacts to the extent feasible. 11/15/99«P:\DEC832\IS-MND\1S-MND.DOC» 42 I I I I I I I I I I I I I I I I I I I LSA Associates, Inc. As part of the contract specifications for the proposed project, the City of Carlsbad shall require that the contractor implement the following measures: • Construction shall be restricted to between the hours of 7:00 a.m. and 7:00 p.m. and not permitted on Sundays and federal holidays. • All construction equipment shall be equipped with working manufacturer specified muffler system. • Portable equipment shall be located as far as possible from the noise sensitive locations at the existing mobile home park. • Construction vehicle staging areas and equipment maintenance areas shall be located as far as possible from sensitive receptor locations at the existing mobile home park. Mitigation Measure 6.XI.2 As part of the contract specifications for the proposed project, the City of Carlsbad shall require the contractor to implement the following measures to further reduce noise during construction and pile driving activities: • Pre-drill each pile 15 feet prior to beginning the pile driving. • Utilize steel H-piles. • Utilize a vibratory hammer, except for the last few feet. • Allow only the last few feet of each pile to be driven in order to ensure that bearing capacity has been reached. • Notify the City Public Works Department and adjacent property owners five days prior to initiating noise activities. c) Would the project result in exposure of a substantial permanent increase in ambient noise levels in the project vicinity above levels existing without the project? No Impact Refer to response 6.XI.a for a discussion of permanent noise increases. d) Would the project result in exposure of a substantial temporary or periodic increase in ambient noise levels in the project vicinity above levels existing without the project? No Impact. As the nature of traffic noise is continuous rather than episodic, it is not expected that substantial temporary or periodic increases in noise levels will result from widening the roadway. It will be similar to conditions that currently occur. 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC» 43 I I I I I I I I I I I I I I I I I I I ISA Associates, Inc. e) For a project located within an airport land use plan or, where such a plan has not been adopted, within two miles of a public airport or public use airport, would the project expose people residing or working in the project area to excessive noise levels? No Impact. As shown on Map 1 of the Public Safety Element, the proposed project area is located outside of the airport influence area for the McClellan-Palomar Airport and is not substantially affected by aircraft noise. f) For a project within the vicinity of a private airstrip, would the project expose people residing or working in the project area to excessive noise levels? No Impact. The project site is not located within the vicinity of a private airstrip (MEIR, Map 5.9-1). 6.XII POPULATION AND HOUSING a) Would the project induce substantial population growth in an area, either directly (for example, by proposing new homes and businesses) or indirectly (for example, through extension of roads or other infrastructure)? No Impact. The widening of the existing bridge to accommodate four travel lanes was anticipated in the Circulation Element of the General Plan and was planned in coordination with future land uses identified in the Land Use Element of the General Plan to accommodate predicted traffic volumes. It is not expected that the widening will induce substantial growth over and above that anticipated in the General Plan. b) Would the project displace substantial numbers of existing housing, necessitating the construction of replacement housing elsewhere? No Impact. No existing housing will be displaced by the proposed bridge widening (see Figure 3). c) Would the project displace substantial numbers of people, necessitating the construction of replacement housing elsewhere? No Impact. No existing housing will be displaced by the proposed bridge widening (see Figure 3). 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC» 44 I I I I I I I I I I I I I I I I I I I LSA Associates, Inc. 6.XIII PUBLIC SERVICES a) Would the project result in substantial adverse physical impacts associated with the provision of new or physically altered governmental facilities, need for new or physically altered governmental facilities, the construction of which could cause significant environmental impacts, in order to maintain acceptable service ratios, response times or other performance objectives for any of the public services: Fire protection? Police protection? Schools? Parks? Other public facilities? No Impact. No existing fire and police protection, schools, parks, or other public services are located within the project study area (Figure 3). Beneficial indirect effects to fire and police protection services would result through improved access between Avenida Encinas and Carlsbad Boulevard. 6.XIV RECREATION a) Would the project increase the use of existing neighborhood and regional parks or other recreational facilities such that substantial physical deterioration of the facility would occur or be accelerated? No Impact There are no local or regional parks in the vicinity of the project; however, South Carlsbad State Beach is located at the terminus of Poinsettia Lane and Carlsbad Boulevard (Figure 3). Poinsettia Lane is the primary eastern access to the South Carlsbad State Beach. The State Beach is a popular destination point in the City of Carlsbad, and improving the access may encourage increased patronage of the beach to some degree. The level of improved access is not expected to increase visitors to the point where a substantial degradation of park facilities or the environment will occur. Widening of the existing facility will improve access to the State Beach and reduce existing weekend and summer traffic congestion accessing the State Beach via Poinsettia Lane. b) Does the project include recreational facilities or require the construction or expansion of recreational facilities which might have an adverse physical effect on the environment? No Impact. Refer to response 6.XIV.a for discussion. 6.XV TRANSPORTATION/TRAFFIC a) Would the project cause an increase in traffic which is substantial in relation to the existing traffic load and capacity of the street system (Le., result in a substantial increase in either the number of vehicle trips, the volume to capacity ratio on roads, or congestion at intersections)? No Impact. A traffic analysis was conducted for the future with and without project scenarios (Linscott, Law & Greenspan, May, 1999). As shown in Table 6.XV.A below, and the existing LOS A would remain after implementation of the proposed project. 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC» 45 I I I I I I I I I I I I I I I I I I I ISA Associates, Inc. Table 6.XV.B - Traffic Volumes and Level of Service1 Segment Poinsettia Lane Carlsbad Blvd. to No. of Lanes 2 Build Out2 Direction Eastbound ADT 12,100 6050 VOL3 910 v/c 0.25 LOS A Avenida Encinas Carlsbad Blvd. to 2 Westbound 6050 910 0.25 A Avenida Encinas 1 Traffic volumes for both with and without project scenarios. 2 SANDAG Series 8 - 2020 Build out (preliminary) 3 Assumes 50/50 direction split and peak traffic = 15% ADT Notes: ADT - Average Daily Traffic VOL - Peak Hour Volume V/C - Volume to Capacity Ratio LOS - Level of Service Source: Linscott, Law & Greenspan, May, 1999. The proposed widening would bring Poinsettia Lane into conformance with the major arterial designation identified in the Circulation Element of the General Plan and increase the existing volume capacity. Given that the proposed project would increase traffic capacity on Poinsettia Lane between Avenida Encinas and Carlsbad Boulevard and that future with project traffic volumes would remain the same, the impact to existing traffic volumes and loads is negligible. The bridge widening would actually enhance traffic flow on Poinsettia Lane during weekend and summer peak hours. b) Would the project exceed, either individually or cumulatively, a level of service standard established by the county congestion management agency for designated roads or highways? No Impact. As indicated in response 6.XV.a, Poinsettia Lane is predicted to be LOS A in the future. c) Would the project result in a change in air traffic patterns, including either an increase in traffic levels or a change in location that results in substantial safety risks? No Impact. As this is a local roadway widening, the proposed project will have no effect on air traffic patterns and would not increase the safety risk location area around McClellan- Palomar Airport. 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC» 45 I I I I I I I I I I I I I I I I I I I ISA Associates, Inc. d) Would the project substantially increase hazards due to a design feature (e.g., sharp curves or dangerous intersections) or incompatible uses (e.g.,farm equipment)? No Impact. All design features of the proposed project are within minimum City standards per "Standards for Design and Construction of Public Works Improvements in the City of Carlsbad." No safety hazards will be created. e) Would the project result in inadequate emergency access? No Impact. Emergency vehicles will not be impeded by the widened roadway. In fact, the proposed project will improve emergency access by increasing the capacity of the bridge. During project construction, two lanes will be kept open during peak traffic periods; therefore, there will be no short-term interruption of emergency vehicle access. f) Would the project result in inadequate parking capacity? No Impact. The proposed project will not generate any development that would need additional parking facilities in the vicinity of the project. No existing or proposed parking spaces would be affected with implementation of the widening project (refer to Figure 4). g) Would the project conflict with adopted policies, plans, or programs supporting alternative transportation (e.g., bus turnouts, bicycle racks)? No Impact. The project would result in a beneficial effect on alternative transportation modes by providing improved bicycle and pedestrian access on Poinsettia Lane between Avenida Encinas and Carlsbad Boulevard (refer to Figure 4). 6.XVI UTILITIES AND SERVICE SYSTEMS a) Would the project exceed wastewater treatment requirements of the applicable Regional Water Quality Control Board? No Impact. As this is a roadway project, no development will be planned that will require additional demand for wastewater treatment facilities or systems. b) Would the project require or result in the construction of new water or wastewater treatment facilities or expansion of existing facilities, the construction of which could cause significant environmental effects? No Impact. As this is a roadway project, no development will be planned that will require additional demand for water facilities or systems. A 12 inch water line will be constructed in Poinsettia Lane to connect to the existing 12 inch water line in Avenida Encinas and the existing 10 inch water line in Carlsbad Boulevard. An eight inch reclaimed water line will be extended from Avenida Encinas and stubbed to a future connection in Carlsbad Boulevard. 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC»47 I I I I I I I I I I I I I I I I I I I £5,4 Associates, Inc. c) Would the project require or result in the construction of new storm water drainage facilities or expansion of existing facilities, the construction of which could cause significant environmental effects. Less Than Significant Impact The three existing drainage inlets between proposed Sta. 1756+00 and approximately Sta. 1756+50 will be replaced with the proposed project. The inlet drainage pipe would be extended six feet to the north, and there will be will no substantial change to the existing stormwater facility. d) Would the project have sufficient water supplies available to serve the project from existing entitlements and resources, or are new or expanded entitlements needed? No Impact. Reclaimed water, rather than domestic water, will be used to irrigate the landscaped median. There will be no effect on domestic water supplies. e) Would the project result in a determination by the wastewater treatment provider which serves or may serve the project that it has adequate capacity to serve the project's projected demand in addition to the provider's existing commitments? No Impact. The project is not a development whereby additional housing units or commercial, industrial, office space is provided that would generate the need for wastewater treatment. J) Would the project be served by a landfill with sufficient permitted capacity to accommodate the project's solid waste disposal needs? No Impact. The proposed project will generate only a negligible amount of solid waste due to demolition activities during construction. Given that roadways do not generate substantial solid waste, mainly litter, the proposed project will have a negligible effect on landfill capacity. g) Would the project comply with federal, state, and local statutes and regulations related to solid waste? No Impact. Refer to response 6.XVI.f for discussion. 6.XVII MANDATORY FINDINGS OF SIGNIFICANCE a) Does the project have the potential to degrade the quality of the environment, substantially reduce the habitat of a fish or wildlife species, cause a fish or wildlife population to drop below self-sustaining levels, threaten to eliminate a plant or animal community, reduce the number or restrict the range of a rare or endangered plant or animal or eliminate important examples of the major periods of California history or prehistory? Less Than Significant Impact With Mitigation Incorporated. With implementation of the mitigation measures identified in this document, potential impacts to plants, wildlife, and cultural/scientific resources are less than significant. 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC»48 I I I I I I I I I I I I I I I I I I I ISA Associates, Inc. b) Does the project have impacts that are individually limited, but cumulatively considerable? ("Cumulatively considerable" means that the incremental effects of a project are considerable when viewed in connection with the effects of past projects, the effects of other current projects, and the effects of probable future projects)? Less Than Significant Impact. Impacts associated with build out of the General Plan land uses and circulation network were identified in the Master EIR for the General Plan. Given that this project is consistent with the Circulation Element of the General Plan and its impacts are or have been reduced to below the level of significance, the project's contribution to cumulative impacts is less than significant and accounted for in the MEIR analysis. c) Does the project have environmental effects which will cause substantial adverse effects on human beings, either directly or indirectly? No Impact. No substantial direct or indirect environmental effects will result from the widening project. In general, the effects will be neutral to positive. Future noise conditions at the Lakeshore Gardens Mobile Home Park are predicted to improve as a result of moving existing traffic on Poinsettia Lane further to the north. No hazardous materials or wastes would be generated or involved in project construction. Potential visual and air quality effects will not be substantially different from the current conditions at the South Carlsbad State Beach or Lakeshore Gardens Mobile Home Park. 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC» 49 I I I I I I I I I I I I I I I I I I ISA Associates, Inc. 7.0 LIST OF MITIGATING MEASURES Mitigation Measure 6.IV.1 - Biological Resources Prior to project initiation, the City shall obtain a Section 4(d) take authorization from the USFWS. As part of this take authorization, the City shall mitigate impacts to CSS at a 1:1 ratio within the Lake Calavera mitigation bank. Mitigation Measure 6. VIII. 1 - Hydrology During final design, detailed erosion control plans shall be prepared for approval by the Director, Department of Public Works. Approved detailed erosion control plans shall be included in the design plans and specifications provided to all contractors. Mitigation Measure 6. VIIL2 - Hydrology During construction, the Department of Public Works shall monitor the installation and maintenance of the erosion control plan to verify that all measures have been implemented and that runoff/sediment from the project work area is being intercepted. Mitigation Measure 6.XI.1 - Noise As part of the contract specifications for the proposed project, the City of Carlsbad shall require that the contractor implement the following measures. Applicable mitigation includes the following: • Construction shall be restricted to between the hours of 7:00 a.m. and 7:00 p.m. and not permitted on Sundays and federal holidays. • All construction equipment shall be equipped with working manufacturer specified muffler system. • Portable equipment shall be located as far as possible from the noise sensitive locations at the existing mobile home park. • • Construction vehicle staging areas and equipment maintenance areas shall be located as far as possible from sensitive receptor locations at the existing mobile home park. Mitigation Measure 6.XI.2 - Noise As part of the contract specifications for the proposed project, the City of Carlsbad shall require the contractor to implement the following measures to further reduce noise during construction and pile driving activities: • Pre-drill each pile 15 feet prior to beginning the pile driving. • Utilize steel H-piles. • Utilize a vibratory hammer, except for the last few feet • Allow the last few feet of each pile to be driven in order to ensure that bearing capacity has been reached. • Notify the City Public Works Department and adjacent property owners five days prior to initiating noise activities. 11/15/99«P:\DEC832\IS-MND\IS-MND.DOC» 50 1 I I I LSA Associates, Inc. APPENDIX A BIOLOGICAL EVALUATION \ 1/15/99 «P:\DEC832\IS-MND\IS-MND.DOC» I I I I I I I I §BIOLOGICAL EVALUATION FOR THE POINSETTIA LANE BRIDGE WIDENING I I October 5, 1999 • Prepared for: g City of Carlsbad • Planning Department 2075 Las Palmas Drive _ Carlsbad, CA 92009-1576 Prepared by: LSA Associates, Inc. 1 Park Plaza, Suite 500 • Irvine, California 92614 • (949) 553-0666 LSA Project #DEC832 Under Contract to: ™ Dokken Engineering 3914 Murphy Canyon Road, Suite A153 • San Diego, California 92123 I I • TABLE OF CONTENTS I I I 1 I I I I I I I I I I I I I ISA Associates, Inc. PAGE INTRODUCTION 1 CONSULTATION TO DATE 1 METHODS 1 PROJECT DESCRIPTION 3 BIOLOGICAL SETTING 3 SENSITIVE SPECIES 6 EFFECTS OF THE PROPOSED PROJECT 6 MITIGATION MEASURES 7 RECOMMENDATIONS 7 REFERENCES 8 ATTACHMENTS A - SUMMARY OF SENSITIVE SPECIES B - VASCULAR PLANT SPECIES OBSERVED 10/5/99«P:\DEC832\Biology\bioreport.wpd» ISA Associates, Inc.I • LIST OF FIGURES PAGE ^ 1 - Project Location 2 2 - Proposed Project 4 I 3 - Coastal Sage Scrub Impacts of Proposed Project 5 I 1 I I I I I I I I 1 I I I I 10/5/99«P:\DEC832\Biology\bioreport.wpd» 111 I I I I I I I I I I I I I I I I i i i ISA Associates, Inc. BIOLOGICAL EVALUATION OF PROPOSED POINSETTIA LANE BRIDGE WIDENING PROJECT EAST OF CARLSBAD BOULEVARD IN CARLSBAD, CALIFORNIA INTRODUCTION The City of Carlsbad, California (City) proposes to widen the Poinsettia Lane bridge and approach, located between Carlsbad Boulevard and Avenida Encinas (see Figure 1). LSA Associates, Inc. (LSA) has been retained by the City to prepare a biological evaluation of the project to document the site condition and evaluate potential impacts. CONSULTATION TO DATE METHODS The California Department of Fish and Game (CDFG) Natural Diversity Data Base, and a current California Native Plant Society (CNPS) Electronic Inventory (Skinner and Pavlik, 1994) search were used to compile a list of sensitive species potentially occurring on the project site. The City of Carlsbad met with the U.S. Fish and Wildlife Service (USFWS) and California Department of Fish and Game (CDFG) on July 15, 1999, to discuss the proposed project's impacts to biological resources, the need for protocol gnatcatcher surveys, and mitigation requirements. Representatives from the USFWS and CDFG agreed that 1) the impacts are limited to coastal sage scrub (CSS) on the bridge em- bankments; 2) protocol surveys for gnatcatchers are not warranted given the limited size and isolation of the CSS habitat; and 3) mitigation of impacted CSS at a ratio of 1:1 ratio within the Lake Calavera mitigation bank is appropriate. For the purpose of wildlife agency permitting, it was also agreed that the CSS impacts would be consid- ered a "de minimus exemption" as defined in the Section 4(d) take authorization. A de minimus exemption is applicable only when 1) less than one acre of habitat is lost; 2) the habitat is not occupied by California gnatcatchers; 3) the loss of the habitat will not preclude the design of the reserve system; and 4) the habitat is of low value or medium value and is outside of identified preserve planning areas. LSA biologists visited the site on May 19, 1999, from 7:00 to 10:00 a.m. It was cool with overcast sky during the site visit, with a light breeze. The biologists surveyed the entire project area on foot, and recorded all species present. Attachment B contains a listing of plant species observed within the project survey area. All animal species observed are listed in the text. Particular attention was focused on the presence or potential presence of endangered and threatened species, or suitable habitat for these species, based on the literature review and field assessment (Attachment A). Samples of unknown plant species were collected for identification. Vegetation communities within the project boundaries were characterized, measured for dimensions, and mapped in the field on a 1 inch = 40 feet map of the project area. 10/5/99«P:\DEC832\Biology\bioreport.wpd» Source: USGS 7.5' Topographic Quadrangle, "Encinitas, Calif." 6/14/99(DEC832)Figure 1 N LSA Scale in Feet I I 0 1000 2000 Project Location I I I I I 1 I i i i i i i i i i i i i LSA Associates, Inc. PROJECT DESCRIPTION The proposed project is the widening of the Poinsettia Lane bridge and approaches from two to four lanes. The widened facility would include four 12 foot traffic lanes, two variable width bicycle lanes, two 5 foot sidewalks, and a raised center median. All widening improvements will occur on the north side of the existing roadway and bridge structure. No improvements or impacts (temporary or permanent) will occur on the south side embankments. All improvements can be accommodated within the existing right-of-way. Figure 2 depicts the proposed project. BIOLOGICAL SETTING The project site (see Figure 3) is bounded by existing Poinsettia Lane to the south and consists of the northern road shoulder, manufactured slopes that serve to support the existing bridge and road, and flat sections of agricultural fields at the northern edge. The northern boundary crosses through the edges of the two agricultural fields. The bridge passes over the North County Transit District (NCTD) rail lines that divide the site. Vegetation LSA observed the following habitat types in the project area: coastal sage scrub (CSS), disced and cleared agricultural field, and ruderal habitat. The CSS occurs on the manufactured slopes north of existing Poinsettia Lane (see Figure 3). The flat area west of the NCTD railroad tracks is a frequently disced field that had no significant vegetative cover. The remainder of the project area consists of ruderal (weedy) habitat and a cleared dirt access road. The CSS, totaling 0.65 acre, is composed of mature scrub species dominated by coyote bush (Baccharis pilularis consanguined) and coast goldenbush (Isocoma menziesii), and includes California sagebrush (Artemisia californicd). The CSS occurs on the northern slopes of the existing bridge embankments divided by the rail lines, north of Poinsettia Lane. CSS was also observed on the embankment slope south of Poinsettia Lane, west of the rail lines. No other CSS was observed in the vicinity. The dominant plant species in the ruderal habitat are summer mustard (Hirschfeldia incand), black mustard (Brassica nigra), garland chrysanthemum (Chrysanthemum coronarium), and annual grasses. The dominant annual grasses are soft chess (Bromus madritensis rubens) and ripgut brome (Bromus diandrus). Portions of the ruderal habitat are densely populated with fascicled tarweed (Hemizoniafasciculata) and wild radish (Raphanus sativus). North of the project boundary, just east of the NCTD rail lines, vernal pool habitat has been documented, and was observed during the field survey (see Figure 3). The vernal pool habitat, previously identified by Dudek & Associates, Inc. (August 1995), is bordered by a chain link fence on the east and southern edges and the rail lines to the west. Approximately 12 San Diego button-celery (Eryngium aristulatum parishii), 10/5/99«P:\DEC832\Bio!ogy\bioreport.wpd» . 3 Base Map Source: Dokken Engineering. 8/3/99(DEC832)Figure 2 LSA Scale in Feet d-50 100 Proposed Project I I «' « ' '• \i ''•- ~ ' •— - .-' •* ; »?fi£rraSif •:j.JsSft^^S^'-^.'-M^ \l V r.-:'^: V' V /;' L-'.<^1 7 >$>» > *» > »>»>•»» "'• T v '•;"'£!v~:' T":''' "•', " 'I "%^^n«c ^ICMT^jw5n»iji "'• ; 'T r\ > ?"*m~~"*-**-*^ j \ '''•.' ;- '• ^t-^<w•£r^!^'!^^^^^^-^^^:gi^^ ' -' : ' 1 • ' • '' '' ''•••^ l'-!-v ;\ V > i ^ i ? " -\i |l : : - ('•'•' I' .,..; : -<•:;:•' - '' •': '"'V \ ...•--.. ••:•.:.*:,-,::'..... -•-..^.r ..._.:\;u .,;-.._:_•-.-.i> .;:. •.. • ' ;_*;*,„•. .-.>.: r: —..--•-•-•_ - OlSTIKe HICMT Of, Mf «•_-»--...^- ••:..•' L^ : • _^amrr «v •&* MMB •nnMTTYK - 'I•' 4 ^•4l-\\ • ; V--^V.L LEGEND: ^g^ CSS (0.21 acre) to be Preserved ).34 acre) to be impacted by Proposed Construction Base Map Source: Dokken Engineering. 10/5/99(DEC832) LSA Scale in Feet f 0 50 100 Figure 3 Coastal Sage Scrub Impacts of Proposed Project I I I I 1 1 I 1 I I I I I I I I I I I ISA Associates, Inc. a species listed as endangered (State and Federal), were observed in the southeastern edge of the vernal pool habitat, approximately 14 feet outside the project limits. No San Diego button-celery was observed within the project study boundary. Wildlife All animal species observed during the biological survey were recorded. The species observed in the CSS habitat were one Cooper's hawk (Accipiter cooperii), three Beechey ground squirrel (Spermophilus beecheyi), and one Audubon cottontail (Sylvilagus auduboni). A white-tailed kite (Elanus leucurus) was observed kiting (i.e., hovering) over the disced field area west of the NCTD rail lines. Two mallard ducks (Anas platyryhynchos) flew over the project area during the survey. SENSITIVE SPECIES A literature review was executed prior to conducting the site survey to assist in deter- mining the existence or potential occurrence of sensitive plant and animal species on the project site or in the vicinity of the site. Federal and State lists of sensitive species and current database records, including the California Natural Diversity Data Base (California Department of Fish and Game 1998) and the California Native Plant Soci- ety's Electronic Inventory of Rare and Endangered Vascular Plants of California (Skinner, et al. 1994), were examined. Attachment A provides a list of the sensitive species potentially present in the project vicinity, and discusses the potential for these species to occur on the site. Attachment B provides a list of plant species observed on- site at time of survey. EFFECTS OF THE PROPOSED PROJECT Vegetation CSS totaling 0.34 acre will be impacted to allow for widening the roadway and bridge, expanding a portion of the existing embankment slope, and the bridge support struc- tures. Other impacts will occur to the ruderal and disced habitats. The proposed construction in the project area will not impact the above mentioned vernal pool habi- tat, which is outside of the project impact area. Given that the proposed improvements will be constructed on top of the existing embankments (Figure 2), there will be no effect on the hydrological regime within the study area. Because there will be no alteration of the area's hydrological regime, no indirect effects to vernal pool resources are expected from the proposed widening. Wildlife Wildlife inhabiting the CSS will lose a small amount of habitat as a result of this project. The CSS habitat on site does not have linkage to any CSS populations in the 10/5/99«P:\DEC832\Biology\bioreport.wpd» 6 I I I I 1 1 I I I I I 1 1 1 I I I i I ISA Associates, Inc. vicinity. No wildlife dependent on CSS was observed, and the small size of the area, in conjunction with the isolation from other CSS communities, reduces the habitat value of the CSS. The coastal California gnatcatcher (Polioptilapolioptila californica) was not observed, although presence/absence surveys according to USFWS protocol were not completed. As described above, the USFWS has determined that protocol surveys are not required due to the limited size and isolation of the CSS habitat. MITIGATION MEASURES The project is located within the North County Multiple Habitat Conservation Plan (MHCP) area of the statewide Natural Community Conservation Planning (NCCP) program. The interim habitat loss (Special 4(d) Rule) process requires that all impacts to CSS habitat be mitigated, regardless of the presence of California gnatcatchers. The draft Habitat Management Plan for the City of Carlsbad proposes to establish the Lake Calavera property as a mitigation bank for City projects. The approximately 250 acre property is owned by the Carlsbad Municipal Water District (CMWD). The bank will be able to mitigate impacts to CSS not occupied by the California gnatcatcher, chaparral, and non-native grasslands. Because the proposed Poinsettia Lane bridge widening project will impact CSS not occupied by the California gnatcatcher, the impact can be mitigated at Lake Calavera. As discussed above, a meeting was held with representatives of USFWS and CDFG on July 15,1999, to discuss the project's impacts and mitigation requirements. Represen- tatives from the USFWS and CDFG agreed that mitigation of the 0.34 acre of impacted CSS habitat at a 1:1 ratio within the Lake Calavera mitigation bank is appropriate. For the purpose of wildlife agency permitting, it was also agreed that the CSS impacts would be considered a "de minimus exemption" as defined in the Section 4(d) take authorization. This exemption is based on the low value, size, and location of the habitat, and the absence of California gnatcatchers. No additional mitigation measures are required. RECOMMENDATIONS While no impacts to the adjacent vernal pool habitat that is beyond the northern edge of the proposed project limits are expected, it would be prudent to protect the habitat from inadvertent damage with additional measures including the following: • Signage warning workers of the protected habitat and the need to avoid any impacts to the habitat. • Placement of a physical barrier along the limit of work adjacent to the vernal pool habitat to prevent silt, weeds, or any spilled material from entering the vernal pool area. The nature and design of this barrier should be specified in the erosion control plan and project specifications. 10/5/99«P:\DEC832\Biology\bioreport.wpd» LSA Associates, Inc. I I REFERENCES I I Skinner and Pavlik. 1994. California Native Plant Society (CNPS) Electronic Inven- • tory. California Department of Fish and Game (CDFG). 1999. California Department of • Fish and Game Natural Diversity Data Base. Dudek & Associates, Inc.. 1995. Biological Resources Report for The Poinsettia f Property City of Carlsbad San Diego County, California. R. Mitchell Beauchamp. 1986. A Flora of San Diego County, California. 1 I I I I I I I I I I I 10/5/99«P:\DEC832\Biology\bioreport.wpd» ISA Associates, Inc. Attachment A - Summary of Sensitive Species Species SPECIES LISTED OR PROPOSED FOR LISTING AS THREATENED OR ENDANGERED VASCULAR PLANTS San Diego thorn mint Acanlhominlha illicifolia Del Mar manzanita Arctostaphylos glandulosa crassifolia Encinitas baccharis Baccharis vanessae thread-leaved brodiaea Brodiaea filifolia Orcutt's spineflower Chorizanthe orcutliana Del Mar mesa sand aster Corethrogyne filaginifolia linifolia San Diego button celery Eringium aristiilatum parishii spreading navarretia Navarreliafossalis Nuttall's scrub oak Quercus dumosa Habitat and Distribution Chaparral, coastal scrub, valley and foothill grassland, vernal pools/clay. Chaparral, maritime, sandy. Chaparral, maritime, sandstone Chaparral (openings), cismontane woodland, coastal scrub, playas, valley and foothill grassland, vernal pools/often clay. Chaparral (maritime), closed-coned coniferous forest, coastal scrub/sandy openings. Coastal bluff scrub, chaparral (maritime, openings), coastal scrub/ sandy. Coastal scrub, valley and foothill grassland, vernal pools/ mesic. Chenopod scrub, marshes and swamps (shallow and freshwater), playas, vernal pools. Closed-cone coniferous forest, chaparral, coastal scrub (sandy soil), clay loam. Activity/Blooming Status Period Designation1 Apr. - Jun. Fed.: State: CNPS: Dec. - Apr. Fed.: State: CNPS: Aug. -Nov. Fed.: State: CNPS: Mar. -Jun. Fed.: State: CNPS: Mar. - May Fed.: State: CNPS: Apr. -Jun. Fed.: State: CNPS: Apr. - Jun. Fed.: State: CNPS: Apr. -Jun. Fed.: State: CNPS: Apr. - Jun. Fed.: State: CNPS: FT CE IB FE none IB FT CE IB FT CE IB FE CE IB FT CE IB FE CE IB FT none IB FT CE IB Probability of Occurrence1 Low. Approximately 40 percent of the histori- cal occurrences in the state has been extir- pated. The site has been previously disturbed. Absent. No suitable habitat occurs on the site. Absent. No suitable habitat occurs on the site. Low. Could occur in nearby vernal pool habi- tat. Unlikely to occur in coastal scrub on the project site due to previous grading. Absent. Known from only two occurrences in Encinitas and Point Loma. Low. Openings in coastal scrub are not sandy. Low. Not observed on the project site. Indi- viduals were observed to the north of the pro- ject boundary. Absent. No suitable habitat on site. Absent. Not observed. 10/5/99«P:\DEC832\Biology\bioreport.wpd» LSA Associates, Inc. Species Habitat and Distribution Activity/Blooming Status Period Designation1 Probability of Occurrence1 BIRDS California black rail (Laterallus jamaicensis coturniculus) Light-footed clapper rail (Rallits longirostris levipes) western snowy plover (Charadrius alexandrimis nivosus) California least tern (Sterna antillanim browni) Coastal California gnatcatcher Polioptila californica californica This species is found in salt marshes with dense pickleweed cover, fresh-water and brackish marshes. This species is found in salt marshes, and requires dense growth of either pickleweed or cordgrass for nesting and escape cover. This species is found in sandy beaches, salt pond levees, and alkali lake shores. This species is found along the coast, breeding on flat, sparsely vegetated areas. Found on sand beaches, alkali flats, or paved areas. Coastal sage scrub; occurs only in cismontane Southern Califor- nia and northwestern Baja California in low-lying foothills and valleys. Year round Fed: State: Year round Fed: State: Year round Fed: State: Year round Fed: State: Year-round Fed.: State: SOC CT FT CT FT SOC FE CE FT CSC Low. There is a low potential for the occur- rence of this species along the project area due to the lack of suitable habitat. Low. There is a low potential for the occur- rence of this species along the project area due to the lack of suitable habitat. Low. There is a low potential for the occur- rence of this species along the project area due to the lack of suitable habitat. Low. There is a low potential for the occur- rence of this species along the project area due to the lack of suitable habitat. Low. There is a low potential for the occur- rence of this species along the project area due to the lack of suitable habitat. Holding's savannah sparrow (Passercultis sandwichensis beldingi) Inhabits coastal salt marsh and nests in pickleweed in the vicin- ity of tidal flats. Mid July to early April Fed: State: CE Low. There is a low potential for the occur- rence of this species along the project corridor due to the lack of suitable habitat. MAMMALS Pacific pocket mouse Perognathus longimembris pacificus Historically occupied open habitats on sandy soils along the coast from Los Angeles to the Mexican border. Now known from only four sites in Orange and San Diego Cos. Mar.-Oct. Fed.: FE Low. Conditions on site are probably unsuit- State: CSC able for this species; native habitat on site is extremely limited, isolated, and highly de- graded. CRUSTACEANS Riverside fairy shrimp Slreptocephalus woottoni Known only from ephemeral pools in southern Orange and west- ern Riverside and San Diego Counties. Spring Fed.: FE Low. None found during extensive focused State: — surveys, although a more common fairy shrimp, Branchinecta lindahli, was identified in the vernal pool adjacent to site. 10/5/99«P:\DEC832\Biology\bioreport.wpd» ISA Associates, Inc. Species Habitat and Distribution Activity/Blooming Status Period Designation1 Probability of Occurrence1 SPECIES NOT LISTED NOR PROPOSED FOR LISTING VASCULAR PLANTS California adolphia Adolphia californica San Diego sagewort Artemisia palmeri white coast ceanothus Ceanothus verrucosus summer holly Comarstaphylis diversifolia diversifolia sea dahlia Coreopsis maritima Palmer's grapplinghook Harpogonella palmeri Orcutt's hazard! a Hazardia orcuttii decumbent goldenbush Isocoma menziesii decwnbens Coulter's goldfields Lasthenia glabrata coulter! Nuttall's lotus Lotus nuttallianus Chaparral, coastal scrub, valley and foothill grassland, vernal pools/clay. This species is found in coastal scrub, chaparral, riparian forest and riparian woodland. Only known from San Diego County and Baja California. Chaparral. Chaparral. Coastal bluff scrub, coastal scrub. Chaparral, coastal scrub, valley and foothill grassland and clay. Chaparral, coastal scrub/often clay. Chaparral, coastal scrub (sandy, disturbed areas). Marshes and swamps (coastal salt), vernal pools. Coastal dunes, coastal scrub (sandy). Dec. - May Fed.: State: CNPS: July-September Fed: * State: * Dec. -Apr. Fed.: State: CNPS: Apr. - Jun. Fed.: State: CNPS: Mar. - May Fed.: State: CNPS: Mar. - May Fed.: State: CNPS: Aug. - Oct. Fed.: State: CNPS: Apr. -Nov. Fed.: State: CNPS: Feb. - Jun. Fed.: State: CNPS: Mar. -Jun. Fed.: State: CNPS: none none 2 SOC none 2 SOC none IB none none 2 SOC none 2 SOC none IB none none IB SOC none IB SOC none IB Low to Moderate, previous disturbances on site reduce the likelihood that this species oc- curs in the scrub habitat. Absent. Not observed. Absent. No suitable habitat occurs on the site. Absent. No suitable habitat occurs on the site. Moderate. Not observed. Absent. Not observed. Absent. Only known from one occurrence in California. Absent. Not observed. Absent. No suitable habitat on site. Absent. Coastal scrub not in sandy soil. 10/5/99«P:\DEC832\Biology\bioreport.wpd» LSA Associates, Inc. Species coast woolly-heads Nemacaulis denudata denudata short-lobed broom rape Orobanche parishii brachyloba Habitat and Distribution Coastal dunes. Coastal bluff scrub, coastal dunes, coastal scrub (sandy soil). Activity/Blooming Status Period Designation1 Apr. - Sep. Fed.: State: CNPS: Apr. - Oct. Fed.: State: CNPS: none none 2 SOC none IB Probability of Occurrence* Absent. No suitable habitat on site. Absent. Coastal scrub not in sandy soil. REPTILES San Diego horned lizard Phrynosoma coronation blainvillii Wide variety of habitats including coastal sage scrub, grassland, Apr. - Jul. (with re- Fed.: riparian woodland; typically on or near loose sandy soils; duced activity Aug. - State: coastal and inland areas from Ventura Co. to Baja Calif. pet) ** CSC High. Reported from 2 locations within 1 mile of site, habitat on site appears suitable. Orange-throated whiptail Cnemidophorus hyperythrus beldingi Floodplains and terraces with perennial plants and open areas Mar. - Jul. (with re- Fed.: nearby; sea level io 3,000 feet elevation; inland and coastal val- duced activity Aug. - State: leys of Riverside, Orange, and San Diego Cos, to Baja Calif. Oct.) ** CSC Low. Not observed on site. BIRDS coastal cactus wren (Campylorynchus brunneicapilhis coiiesi) This species is found in tall cactus (Opuntia sp.).Year round Fed: none Low. There is a low potential for the occur- State: SOC renceof this species along the project area due to the lack of suitable habitat. MAMMALS Northwestern San Diego pocket mouse Perognathusfallaxfallax Sandy herbaceous areas, usually with rocks or coarse gravel. Arid coastal areas in grassland, coastal scrub and chaparral. San Diego, San Bernardino, Los angeles, and riverside cos. Nocturnal; active year Fed.: round. State: ** High. Reported from locations within 4 miles CSC of site, habitat on site sppears suitable. GASTROPODS Mimic tryonia Tryonia imitator This species inhabits coastal lagoons, estuaries and salt marshes from Sonoma County south to San Diego County. Found only in permanently submerged areas in a variety of sediment types; able to withstand a wide range of salinities Year round Fed: * State: * Low. Not observed. There is a low potential for this species to occur within the project area due to the lack of suitable habitat. 10/5/99« P:\DEC832\Biology\bioreport.wpd» LSA Associates, Inc. Species Habitat and Distribution Activity/Blooming Period Status Designation1 Probability of Occurrence' INSECTS Monarch butterfly Danaus plexippus Winter roost sites extend along the coast from northern Mendocino to Baja California, Mexico. Roosts located in wind protected tree groves, with nectar and water sources nearby. Year round.Fed: * State: * Low. Not observed. There is a low potential for the occurrence of this species within the project area due to the lack of roosting sites. 1. For a description of status designations see Legend on following page. 2. Based on the following categories: Absent; Low; Moderate; High; Observed. 10/5/99«P:\DEC832\Biology\bioreport.wpd» I I I 1 I I I I I I I I I I 1 I i i i LSA Associates, Inc. FEDERAL STATUS FE FT PE PT Legend: Status Designation Federally listed as Endangered. Federally listed as Threatened. Federally proposed as Endangered. Federally proposed as Threatened. Note: The U.S. Fish and Wildlife Service (USFWS) has recently revised its classification system for candidate taxa (species, subspecies, and other taxonomic designations), as described below. C Certain species formerly designated as "Category 1" (Cl) and a few "Category 2" (C2) candidates for federal listing are now known as "Candidate." Refers to taxa for which the U.S. Fish and Wildlife Service (USFWS) has sufficient information available to support a proposal to list as Endangered or Threatened. Issuance of the proposals) is anticipated, but precluded at this time. ** Species formerly designated as "Category 1" (Cl) or "Category 2" (C2) candidates for federal listing; not designated presently as "Candidate" species, these Cl and C2 designations have been discontinued by the USFWS. The State now refers to these taxa as "Species of Con- cern." Species considered to be extinct. Former federal candidate for listing as Endangered or Threatened, but which is not believed by the Service to represent a distinct taxa meeting the Endangered Species Act's definition of a "species". Species taxonomically invalid. Former federal candidate for listing as Endangered or Threatened, but which has been deter- mined by the Service to be too widespread and/or not threatened at this time. C3a C3b C3c STATE STATUS CE CT CR CFP CCE CCT CSC CSA CALIFORNIA NATIVE PLANT SOCIETY LISTING 1A IB State listed as Endangered. State listed as Threatened. State listed as Rare. California Fully Protected. Species legally protected under special legislation enacted prior to the California Endangered Species Act. State candidate for listing as Endangered. State candidate for listing as Threatened. California Species of Special Concern. These are taxa with pops, declining seriously or otherwise highly vulnerable to human developments. Species included on the California Department of Fish and Game's list of "Special Animals" of California. No specific designation assigned. List of plants that are presumed extinct in California. List of plants that are considered by the California Native Plant Society (CNPS) to be Rare, Threatened, or Endangered in California and elsewhere. List of plants that are considered by CNPS to be Rare, Threatened, or Endangered in Califor- nia, but more common elsewhere. CNPS review list of plants suggested for consideration as Endangered but about which more information is needed. CNPS watch list of plants of limited distribution, whose status should be monitored. 10/5/99«P:\DEC832\Biology\bioreport.wpd» I I I 1 I I I I I I I I I t 1 I I I I ISA Associates, Inc. ATTACHMENT B VASCULAR PLANT SPECIES OBSERVED The following plant species were observed on the project site by LSA biologists during the current study. * Introduced non-native species ANGIOSPERMAE: DICOTYLEDONAE Aizoaceae *Carpobrotus edulis Anacardiaceae *Schinus molle Asteraceae Artemisia californica Baccharis pilularis consanguinea *Centaurea melitensis ^Chrysanthemum coronarium *Conyza bonariensis Gnaphalium palustre Hemizoniafasciculata Heterotheca grandiflora Isocoma menziesii *Xanthium strumarium Boraginaceae Heliotropum curassavicium Brassicaceae *Brassica nigra *Hirschfeldia incana *Raphanus sativus Chenopodiaceae *Atriplex semibaccata 10/5/99«P:\DEC832\Biology\bioreport.wpd» DICOT FLOWERING PLANTS Capet-weed family hottentot-fig Sumac family Peruvian pepper tree Sunflower family California sagebrush coyote bush tocalote garland chrysanthemum flax-leaved horseweed lowland cudweed fascicled tarweed telegraph weed coast goldenbush cockleburr Boragefamily alkali heliotrope Mustard family black mustard summer mustard wild radish goosefootfamily Australian saltbush I I I I I I I I 1 I 1 I 1 I I I I I I LSA Associates, Inc. ANGIOSPERMAE: DICOTYLEDONAE *Salsola tragus Fabaceae Lotus scoparius *Melilotus indica Geraniaceae *Erodium cicutarium Malvaceae Malvella leprosa Plumbaginaceae *Limonium sp. Polygonaceae *Rumex crispus Primulaceae family *Anagallis arvensis MONOCOTYLEDONEAE Poacae *Bromus diandrus *Bromus hordeaceous *Bromus madritensis rubens Deschampsia danthonioides Distichlis spicata *Lolium perenne multiflorum *Pennisetum setaceum *Phalaris aquatica *Vulpia myuros DICOT FLOWERING PLANTS Russian thistle Peafamity deerweed yellow sweet clover Geranium family red-stemmed filaree Mallow family alkali-mallow Leadwort family statice Buckwheat family curly dock Primrose family scarlet pimpernel MONOCOT FLOWERING PLANTS Grassfamily ripgut brome soft chess foztail chess annual hairgrass coastal salt grass Italian ryegrass African fountain grass Harding grass rattail fescue 10/5/99«P:\DEC832\Biology\bioreport.wpd» I I I I I 1 I I I I I I I I 1 I 1 I I LSA Associates, Inc. APPENDIX B STRUCTURE FOUNDATION REPORT 11/15/99 «P:\DEC832\IS-MND\IS-MND.DOC» I I I I I I I I I I I I I I I I 1 I I AGRA ENGINEERING GLOBAL SOLUTIONS STRUCTURE FOUNDATION REPORT POINSETTIA LANE OVERHEAD WIDENING CARLSBAD, CALIFORNIA Submitted To: DOKKEN ENGINEERING 3914 MURPHY CANYON ROAD, SUITE A-153 SAN DIEGO, CALIFORNIA 92123 Submitted By: AGRA EARTH & ENVIRONMENTAL 16760 WEST BERNARDO DRIVE SAN DIEGO, CALIFORNIA 92127-1904 May 25, 1999 Job No. 9-252-102500 AGRA Earth & Environmental, Inc. 16760 W. Bernardo Dr. San Diego, CA 92127 Tel (619)487-2113 Fax (619) 487-2357 I Recycled Paper I I I 1 ^ AVJ KA AGRA Earth & ENGINEERING GLOBAL SOLUTIONS Environmental, Inc. 16760 W. Bernardo Dr. _ Nlavl^ 1QQQ San Diego, CA 92127m wiay^o, iaay iei (619)437-2113 • Job No. 9-252-102500 Fax (619) 437-2357 • Dokken Engineering 3914 Murphy Canyon Road, Suite A-153 M San Diego, California 92123 Attention: Mr. Kirk Bradbury Re: POINSETTIA LANE OVERHEAD WIDENING This letter transmits AGRA Earth & Environmental^ revised structure foundation report for the Poinsettia Lane Overhead Widening at the San Diego Northern Railroad tracks in Carlsbad California. This investigation was conducted in general conformance with the scope of work presented in AGRA's proposal dated October 29,1998. If you have any questions concerning this report, or need additional information, please call me at (619) 487-2113. Yours truly,i AGRA Earth & Environmental I* Jamesa Stone, RGE 808 — Principal Engineer I Recycled Paper I I I I I I I I I I I I I I I I I I Dokken Engineering Job No. 9-252-102500 Structure Foundation Report May 25,1999 Poinsettia Lane Overhead Widening Page (i) TABLE OF CONTENTS PAGE EXECUTIVE SUMMARY ..................................................... iii 1.0 INTRODUCTION ........................... ............................. 1 1.1 GENERAL ....................................................... 1 1.2 PROPOSED CONSTRUCTION ....................................... 1 1.3 SCOPE OF WORK ................................................ 1 2.0 DATA ACQUISITION . .................................................... 3 2.1 FIELD EXPLORATION .............................................. 3 2.2 LABORATORY TESTING ............ . .............................. 3 3.0 SITE CONDITIONS ................ . ..................................... 5 3.1 SURFACE CONDITIONS ............................................. 5 3.2 SUBSURFACE CONDITIONS ........................................ 5 3.3 SEISMOLOGY AND GEOLOGIC HAZARDS ............................. 5 3.3.1 General .................... . ............................. 5 3.3.2 Regional Faulting ........................................... 6 3.3.3 Local Faulting ............................................. 6 3.3.4 Liquefaction ............................. . ................. 6 4.0 CONCLUSIONS AND RECOMMENDATIONS .................................. 6 4.1 EARTHWORK ..................................... ............... 6 4.1.1 General .................................................. 6 4.1.2 Settlements ............................................... 8 4.2 BRIDGE FOUNDATIONS ............................................ 8 4.2.1 General .................................................. 8 4.2.2 Deep Foundations .......................................... 8 4.2.2.1 Foundation Capacity and Settlement ..................... 8 4.2.2.2 Pile Driving ........................................ 10 4.2.3 Other Design Parameters ................................... 10 4.2.4 Seismic Design Criteria ..................................... 11 4.2.5 Corrosion ........ ........................................ 11 5.0 CLOSURE ............................................................ 11 5.1 GEOTECHNICAL REVIEW ......................................... 11 5.2 LIMITATIONS .................................................... 11 REFERENCES ............................................................ 13 AGRA ENGENDERING GLOBAL SOLIJTfCW I Recycled Paper I I I I I I I I I I I I I I I I Dokken Engineering Job No. 9-252-102500 Structure Foundation Report May 25,1999 Poinsettia Lane Overhead Widening Page (iii) I I EXECUTIVE SUMMARY This executive summary presents a brief description of the prominent conditions, conclusions and recommendations from the structure foundation investigation performed by AGRA Earth & Environmental for the Poinsettia Lane Overhead Widening at the San Diego Northern Railroad right-of-way in Carlsbad, California. The bridge is located on Poinsettia Lane between Carlsbad Boulevard on the west and Avenida Encinas on the east. The existing bridge is a prestressed concrete, 3-span structure 142.2 feet long and 44.7 feet wide. It carries 2 traffic lanes, a bicycle lane and a sidewalk. Approach embankments were constructed originally across the entire Poinsettia Lane right-of-way and will accommodate abutments for the new construction. It is understood that the existing bridge may be widened, or a new bridge constructed adjacent to, but at a higher elevation than, the existing structure. The determination of the preferred alternative is part of the current project. The final configuration will carry 4,12-foot wide traffic lanes; 2, 8-foot wide bicycle lanes; 2, 5-foot wide sidewalks and a raised center median. The existing overhead configuration was achieved by placing about 22 to 35 feet of fill at the abutments. Between 2 and 4 feet of fill were placed along the railroad tracks, probably part of the original railroad construction. The fill at the abutments is underlain by terrace deposits which in turn are underlain by Santiago Formation. A 5-foot-thick layer of colluvium overlies the terrace deposits at the location of boring B-1 along the railroad tracks. The fill consists of silty sand. The terrace deposits are comprised of medium dense to dense clayey and silty sandstones and sandy claystones. The underlying Santiago Formation consists of a very dense or hard silty sandstone and clayey siltstone. Groundwater was encountered at depths of about 18 to more than 50 feet below the ground surface, corresponding to an elevation as high as about 30 feet above sea level. Foundation plans have not been finalized. Due to the presence of deep fills at the abutments, and relatively compressible fill and colluvium at bent locations, deep foundations are considered most appropriate for support of the widening. Recommendations for Class 45 and Class 70 piles are contained in this report. Recommendations for alternative types of piles can be provided when foundation pans are finalized. The regional seismicity is not unique compared to the rest of southern California. A peak horizontal bedrock acceleration of 0.5g can be used in design. The depth to rock-like material is between 10 and 80 feet. The fill soils and formational materials at the overhead represent a corrosive environment based on Caltrans criteria. Concrete for structural elements in contact with the ground should incorporate Type II portland cement in the mix. It is understood that no new fill will be placed. No special settlement period is needed. 4? AGRA ENGINEERING GLOBAL SOLUTIONS Recycled Paper • Dokken Engineering Job No. 9-252-102500 Structure Foundation Report May 25,1999 Poinsettia Lane Overhead Widening Page (1)I I I I I I I I I I I I I I I I I I 1.0 INTRODUCTION 1.1 GENERAL This report presents the results of the structure foundation investigation performed for the Poinsettia Lane Overhead Widening atthe San Diego Northern Railroad right-of-way in Carlsbad, California. The bridge is located on Poinsettia Lane between Carlsbad Boulevard on the west and Avenida Encinas on the east. (Figure 1 ) This investigation was conducted in general conformance with the scope of work presented in AGRA's proposal dated October 29, 1998. 1.2 PROPOSED CONSTRUCTION The existing bridge is a prestressed concrete, 3-span structure 142.2 feet long and 44.7 feet wide. It carries 2 traffic lanes, a bicycle lane and a sidewalk. Approach embankments were constructed originally across the entire Poinsettia Lane right-of-way and will accommodate abutments for the new construction. It is understood that the existing bridge may be widened, or a new bridge constructed adjacent to, but at a higher elevation than, the existing structure. The determination of the preferred alternative is part of the current project. The final configuration will carry 4, 12-foot wide traffic lanes; 2, 8-foot wide bicycle lanes; 2, 5-foot wide sidewalks and a raised center median. 1.3 SCOPE OF WORK Initially, AEE made a site reconnaissance and reviewed published geologic and seismicity data as well as data from similar projects in the area. The structure foundation investigation included subsurface exploration, soil sampling, laboratory testing, engineering analyses and consultation with designers. Laboratory tests were performed to evaluate selected engineering properties and to provide a basis for geotechnical design recommendations. The data collected were analyzed to develop conclusions and recommendations regarding: 1 . Types, locations and engineering characteristics of foundation materials. 2. Engineering seismology of the project area, including liquefaction potential. 3. Geotechnical factors potentially affecting the design of the proposed structure, including settlement and groundwater. 4. Geotechnical design parameters for the most suitable methods of foundation support including allowable bearing capacities and resistance to lateral loads. 5. Corrosivity of on-site soils with respect to steel and concrete. 6. Fill and backfill material, placement and compaction procedures. AGRA ENGINEERING GLOBAL SOLUTIONS I Recycled Paper 51888 MapQmrtoom, InafflOOO tfavT«ch Approx. North POINSETTIA LANE OH WIDENING CARLSBAD, CALIFORNIA FIGURE 1-VICINITY MAP AGRAEarth & Environmental Draft JJS Approved JJS Date Job No. 9-252-102500 -2- • Dokken Engineering Job No. 9-252-102500 Structure Foundation Report May 25,1999 • Poinsettia Lane Overhead Widening Page (3) ™ 2.0 DATA ACQUISITION I I I 2.1 FIELD EXPLORATION The field exploration program consisted of 4 test borings drilled with hollow-stem augerequipment to depths of 40.5 to 66.3 feet. The locations of the borings are shown on Figure 2. Relatively undisturbed samples were obtained using a 2.5-inch I.D.samplerdriven by a 140-pound hammer falling 30 inches. Standard penetration tests were performed using a 1.4-inch l.D.I sampler driven by a 140-pound hammer falling 30 inches in general conformance with ASTM D • 1586. Disturbed samples were obtained from the standard penetration sampler. The drilling and sampling operations were performed under the supervision of an AGRA geologist I who also logged the borings and obtained the samples for examination and laboratory testing. The logs of the test borings are contained in Appendix A. Soils are classified according to the Unified Soil Classification System described in Appendix A. Rock is described according to its physical • characteristics. m Existing groundwater conditions were noted during drilling. Upon completion of the field • exploration program, the borings were backfilled. • 2.2 LABORATORY TESTING Laboratory tests were performed to evaluate selected engineering properties and to provide a • basis for geotechnical design recommendations. The following tests were performed: >• Moisture Content and Dry Density »• Direct Shear »• Resistivity • » > Soluble Sulphate Content • »• Chloride Ion Content H »• Grain size analyses Results of the moisture content and dry density determinations are shown on the boring log in • Appendix A. Remaining test results and brief descriptions of the test procedures are contained in Appendix B. AGRA ENGINEERING GLOBAL SOLUTIONS | Recycled Paper B-1 Ualn Track-RR Tract: 2 t3*~*>4 Polnsetth Lane (new) Locations of Test Borings (current study)PLAN 1"=40' POINSETTIA LANE OH WIDENING CARLSBAD, CALIFORNIA FIGURE 2 - LOCATION OF TEST BpRINGS //\ AGRACPy Earth & Environmental Draft Approved JJS Date Job No. 5/25/99 9-252-102500 ™ Dokken Engineering Job No. 9-252-102500 Structure Foundation Report May 25,1999 Poinsettia Lane Overhead Widening Page (5)I I I I I I I I I I I I I I I I 3.0 SITE CONDITIONS 3.1 SURFACE CONDITIONS The Poinsettia Lane Overhead spans the San Diego Northern Railroad right-of-way between deep abutment fills on both the east and west ends. The fills were placed initially to accommodate future widening and extend beyond the current traveled way. Existing fill slopes range from about 1:1-% (verticalihorizontal) to 1:1 where the slopes are paved in front of the abutments. Minor amounts of fill have been placed along the railroad tracks. Surface vegetation consists of sparse grass and weeds. 3.2 SUBSURFACE CONDITIONS The existing overhead configuration was achieved by placing about 22 to 35 feet of fill at the abutments. Between 2 and 4 feet of fill were placed along the railroad tracks, probably part of the original railroad construction. The fill at the abutments is underlain by terrace deposits which in turn are underlain by Santiago Formation. The terrace deposits extend to depths of 37 to 44 feet. The Santiago Formation continues to the maximum depth explored, 66.3 feet. A 5-foot-thick layer of colluvium overlies the terrace deposits at the location of boring B-1 along the railroad tracks. The top of the terrace depots was encountered at depths of 4 to 7 feet along the railroad tracks. The top of the Santiago Formation at bent locations is at depths of 25 to 31 feet below the ground surface. The fill consists of silty sand. The terrace deposits are composed of medium dense to dense clayey and silty sandstones and sandy claystones. The underlying Santiago Formation consists of a very dense or hard silty sandstone and clayey siltstone. Groundwater was encountered at depths of about 18 to more than 50 feet below the ground surface, corresponding to an elevation as high as about 30 feet above sea level. Groundwater levels can rise following periods of rainfall and during the wet season. 3.3 SEISMOLOGY AND GEOLOGIC HAZARDS 3.3.1 General Southern California is known to be seismically active, and much geologic and seismologic evidence of earthquake activity is available. The engineering seismology study for this project included review of regional and local faulting, the general tectonic regime, and existing historic data. AGRA ENGINEERING GLOBAL SOLUTIONS I Recycled Paper I I I I I I I I I I I I I I I I I I I Dokken Engineering Job No. 9-252-102500 Structure Foundation Report May 25,1999 Poinsettia Lane Overhead Widening Page (6) 3.3.2 Regional Faulting Earthquakes within about 60 miles of the site are capable of generating ground shaking of engineering significance to the structure. The site is located within the regional influence of several fault systems that are classified as active or potentially active. Figure 3 shows the proximity of the project to these faults. The most significant fault to the design of the project is the Newport- Inglewood-Rose Canyon/East Fault, about 5 miles to the west. The estimated peak acceleration during the maximum credible earthquake on this fault is estimated to be 0.5g. 3.3.3 Local Faulting The project site is not located within a currently established Alquist-Priolo Earthquake Study Zone. Consequently, trenching to locate active fault traces is not mandated. Surface fault rupture at the site during the design life of the structure is considered unlikely. However, the area is vulnerable to strong, earthquake-induced ground shaking during the design life of the project. Recommendations for seismic design in accordance with Caltrans procedures are contained in subsequent sections of this report. 3.3.4 Liquefaction Liquefaction can occurwhen loose, granular soils below the water table are subjected to vibratory motions such as those induced by earthquakes. The vibrations cause a rise in the pore water pressure. If the pressure rises high enough, the sand can lose strength and behave as a fluid. Liquefaction can result in substantial settlements or other disruptions at the ground surface. Dense formational materials were encountered at relatively shallow depths in all the borings, and groundwater levels are relatively deep. Therefore, the potential for liquefaction is considered slight. 4.0 CONCLUSIONS AND RECOMMENDATIONS 4.1 EARTHWORK 4.1.1 General Minor earthwork associated with the widening and backfill adjacent to the bridge supports associated with construction of the foundation system are planned. All grading should be performed in conformance with Sections 6-3, 19-3, 19-5 and 19-6 of the Caltrans Standard Specifications. Consideration should be given to including the following amendments to the Standard Specifications in the project special provisions: A. Section 19-3.06 - Ponding or jetting of backfill should not be permitted. ENGINEERING GLOBAL SOLUTIONS ) Recycled Paper POINSETTIA LANE OH WIDENING CARLSBAD, CALIFORNIA FIGURE 3 - FAULT MAP AGRA Earth & Environmental B. Section 19-3.065 - Pervious backfill should have a gradation which will minimize migration of fines from the adjacent soil. Alternatively, a non-woven geotextile (e.g. Supac 4NP or Nilex N45) can be placed between pervious backfill and adjacent soil. Prefabricated drainage material (e.g. Tensar DC1100) can be used behind abutments, wing walls and retaining walls in lieu of pervious backfill. Backfill placed behind abutment walls, retaining walls and wingwalls should be non-expansive. The extent and placement of the non-expansive soils should conform to Caltrans Standard Specifications 19-5.03. Non-expansive soils should have an expansion index (El) less than 30. Fill slopes probably will be composed of granular soils which are susceptible to surface erosion. Slope paving should be incorporated where 1:1% slopes are used. Consideration should be given to the use of jute mesh or other surface treatments to those slopes not being paved to minimize soil transport by run-off. All roadway drainage should be directed to appropriate collection and discharge facilities so that run-off does not flow over the tops of slopes. 4.1.2 Settlements Only minor fills will be placed for final grading, and ground surface settlements are expected to be minimal. Settlements should be complete shortly after placement of the fill. No special settlement period is necessary. 4.2 BRIDGE FOUNDATIONS 4.2.1 General It is understood that the existing overhead structure is supported on driven piles. A potential for significant settlement exists if the new structure is supported on shallow foundations in existing fill. Cast-in-drilled-hole (CIDH) piles can be considered for support of the widening. However, caving occurred during drilling of the test borings, and groundwater levels are within anticipated pile depths. Therefore, driven piles appear most appropriate for foundation support. 4.2.2 Deep Foundations 4.2.2.1 Foundation Capacity and Settlement Driven piles will develop support by friction along the sides of the piles in the dense and hard formational materials at depth. Pile tip elevations for Class 45 piles at abutments and Class 70 piles at abutments and bents are presented in Table 1. Ultimate uplift capacities of the piles are also shown in Table 1. Actual uplift capacity for design may be limited by structural considerations as outlined in Caltrans1 Bridge Design Specifications, Section 4.6.4.3. If pile spacing is at least 3 times the maximum dimension of the pile, no reduction in axial capacity for group effects is considered necessary. 4$ AGRA ENGINEERING GLOBAL SOLUTIONS I Recycled Paper I I I I I I I I I I I I I I I I I I I Dokken Engineering Structure Foundation Report Poinsettia Lane Overhead Widening Job No. 9-252-102500 May 25,1999 Page (9) TABLE 1 TIP ELEVATIONS FOR CLASS 45 AND CLASS 70 PILES Location Abutment 1 Bent 2 BentS Abutment 4 Design Loading (Service) 70 tons 45 tons 70 tons 70 tons 70 tons 45 tons Nominal Resistance Compression 280 kips 180 kips 280 kips 280 kips 280 kips 180 kips Tension 140 kips 90 kips 140 kips 140 kips 140 kips 90 kips Design Tip Elevation (feet) 30(1); 30 (2); 30 (5) 37(1); 37 (2); 37 (5) 10(1); 10 (2); 10 (5) 10(1); 10 (2); 10 (5) 26(1); 26 (2); 26 (5) 30(1); 30(2); 30 (5) Specified Tip Elevation (feet) 30 37 10 10 26 30 (1) Compression; (2) Tension; (3) Lateral Loads - Table 2; (4) Scour Potential - was not evaluated for this study; (5) Liquefaction - very unlikely. Lateral loads causing % inch of deflection at the ground surface for 12-inch square piles are provided in Table 2. Lateral pile capacity can be assumed to increase linearly with deflection up to a maximum deflection of 1 inch. If deflections greater than 1 inch are anticipated, lateral capacities should be evaluated on a case-by-case basis. TABLE 2A LATERAL CAPACITIES FOR PILES (Steel H Piles) Pile Location Abutment 1 Bent 2 BentS Abutment 4 Lateral Load at % inch Deflection Free Strong 2.5 kips 7.9 kips 9.7 kips 2.5 kips Weak 1 .4 kips 4.1 kips 5.9 kips 1 .4 kips Fixed Strong 6.6 kips 23.8 kips 25.0 kips 6.5 kips Weak 4.1 kips 13.2 kips 15.2 kips 4.1 kips AGRA ENGINEERING GLOBAL SOLUTIONS I Recycled Paper I I I I I I I I I I I I I I I I I I I Dokken Engineering Structure Foundation Report Poinsettia Lane Overhead Widening Job No. 9-252-102500 May 25,1999 Page (10) TABLE 2A LATERAL CAPACITIES FOR PILES (12-Inch Square Concrete Piles) Pile Location Abutment 1 Bent 2 BentS Abutment 4 Lateral Load at % inch Deflection Free 1.7 kips 4.9 kips 6.8 kips 1.7 kips Fixed 4.7 kips 15.6 kips 17.3 kips 4.6 kips Pile settlement is expected to be on the order of % inch and should be essentially complete shortly after completion of the widening superstructure. 4.2.2.2 Pile Driving Predrilling through embankments should be performed in accordance with Caltrans Standard Specifications Section 47-1.06. Each pile should be evaluated during driving to determine if adequate capacity has been achieved. For practical purposes, final set should equal or exceed that required for the recommended allowable load capacity based on Caltrans Standard Specifications. If specified tip elevation is reached without satisfying the Caltrans formula, pile driving should continue until final set is attained. Piles which encounter practical driving refusal above the specified tip elevation may be acceptable, depending on pile and hammer behavior during driving. The geotechnical engineer should observe pile driving and evaluate each pile on a case-by-case basis. It is recommended that a pile hammer which develops a minimum energy of 40,000 foot-pounds per blow be used. Drilling in the terrace deposits for pile installation at the abutments and bents does not appear needed unless cobbles or extensive gravel lenses are encountered. Calculations indicate that the piles will have to be driven 10 to 14 feet into Santiago Formation at the bents in order to develop required vertical capacities. Drilling likely will be needed to advance the piles to specified tip elevations at the bents. Drilled holes in the Santiago Formation should not have diameters larger than the minimum pile dimension and should not extend closer than 5 feet to specified tip elevations. 4.2.3 Other Design Parameters Average geotechnical parameters for bridge design are: > The wet density can be taken as 130 pounds per cubic foot (pcf). AGRA ENGINEERING GLOBAL SOLUTIONS } Recycled Paper • Dokken Engineering Job No. 9-252-102500 Structure Foundation Report May 25,1999 Poinsettia Lane Overhead Widening Page (11)I I I I I I I I I I I I I I I I I I »• The modulus of subgrade reaction under vertical loads for soils at abutments can be taken as 150 pounds per cubic inch. »• Active and passive equivalent fluid pressures of 35 pcf and 350 pcf, respectively, can be used for wingwall design. 4.2.4 Seismic Design Criteria As discussed in Section 3.3.5, a peak horizontal bedrock acceleration of 0.5g should be used for this site. For design purposes, the depth to rock-like material can be considered to be 10 to 80 feet. 4.2.5 Corrosion Laboratory test results indicate that the soils underlying the site form a slightly to moderatley corrosive environment with respect to steel and reinforced concrete. Type II Portland cement is recommended for use in concrete in contact with the ground. Adequate concrete cover over reinforcing steel should be provided in accordance with good construction practices and design standards. 5.0 CLOSURE 5.1 GEOTECHNICAL REVIEW The foundation and earthwork plans and pertinent sections of the project specifications should be reviewed by the geotechnical engineer to evaluate conformance with the intent of the conclusions and recommendations contained in this report. If project conditions orfmal design vary from those described in this report, AGRA should be contacted regarding the applicability of, and the necessity for any revisions to, the conclusions and recommendations presented in this report. Removal of unsuitable soils, placement and compaction of structural fill, and excavations for footings should be observed by the geotechnical engineer and engineering geologist of record. Appropriate field tests should be performed to provide quality control and quality assurance for structural fills and related earthwork elements. 5.2 LIMITATIONS This report is based on the project as described and the information obtained from the test borings at the approximate locations indicated on Figure 2. The findings are based on the results of the field, laboratory and office investigations, combined with interpolation and extrapolation of conditions between and beyond the boring locations and reflect interpretation of the limited direct evidence obtained. 4^ AGRA ENGINEERING GLOBAL SOLUTIONS I Recycled Paper I I I I I I I I I I I I I I I I I I I Dokken Engineering Structure Foundation Report Poinsettia Lane Overhead Widening Job No. 9-252-102500 May 25,1999 Page (12) This report has been prepared for the use of Dokken Engineering in design of the described project. It may not contain sufficient information for other users or other purposes. This report has been prepared in accordance with generally accepted geotechnical practice in the San Diego County area. It may not contain sufficient information for other projects or uses. AGRA Earth & Environmental imes J. Btone, GE No. 808 'Principal Engineer JJS/js Distribution: (6) client Brian H. Reck, CEG 1792 Senior Geologist AGRA ENGINEERING GLOBAL SOLUTIONS I Recycled Paper Dokken Engineering Job No. 9-252-102500 Structure Foundation Report May 25,1999 I Poinsettia Lane Overhead Widening Page (13) REFERENCES | 1. Blake, T.F., 1992, EQFAULT Ver. 1.01, Estimation of Peak Horizontal Acceleration from Digitized California Faults, Computer Program. • 2. California Department of Transportation, 1989, Bridge Design Aids Manual. • 3. , 1986, Bridge Design Details Manual. 4. , 1987, Bridge Design Specifications Manual. 5. , 1986, Bridge Memo to Designers Manual. • 6. , 1995, Highway Design Manual. H 7. , 1995, Standard Specifications. 8. California Department of Transportation, Division of Structures, As-Built Plans, Woodley • Street Overhead, December 1960(7). 9. California Division of Mines and Geology, Weber, F.H., 1982, Recent Slope Failures, and • Related Geology of the North-Central Coastal Area, San Diego County, California. 10. California Division of Mines and Geology, Weber, F.H., 1963, Geology and Mineral I Resources of San Diego County, California, County Report 3. 12. Department of the Navy, Naval Facilities Engineering Command, 1982, NAVFAC DM-7.2, • Foundations and Earth Structures. — 13. Jennings, C.W., 1992, Preliminary Fault Activity Map of California, Compilation and I Interpretation: California Division of Mines and Geology, DMG Open-File Report 92-03. 1 14. Mualchin L., California Seismic Hazard Detail Index Map, dated July 1996. AGRA ENGINEERING GLOBAL SOLUTIONS | Recycled Paper • Dokken Engineering Job No. 9-252-102500 Structure Foundation Report May 25,1999 • Poinsettia Lane Overhead Widening Page (14) I _ 15. Seed, H.B. and Idriss, I.M., 1982, Ground Motions and Soil Liquefaction During I Earthquakes: EERI Monograph Series, Berkeley, California. 1 16. Slemmons, D.B., 1982, Determination of Design Earthquake Magnitudes for Microzonation, Proceeding of Third International Microzonation Conference, Vol. I I 1 I I I I I I I I I I I 1. 4$ AGRA ENGINEERING GLOBAL SOLUTIONS I Recycled Paper APPENDIX A 1 i i i i i i i Project: Poinsettia Lane Bridge Job. No. 9-252-102500 5/25/99 Page A-1 UNIFIED SOIL CLASSIFICATION HighlyOrganic Soils Silts and ClaysLiquid Limit >50%Silts and ClaysLiquid Limit <5o% Fine Grained Soils(more than 50% is smaller than No. 200 sieve) Sands - more than 50% of coarse fraction is smaller than No. 4 sieve Gravels - more than 50% of coarse fraction is larger than No. 4 sieve (more than 50% is laroer than No.200 sieve) 60 xuua - k_J I-MII CL /*7 / Ml ^/ &C ,^X L / CH / OH / / &M V \ LABORATORY CLASSIFICATION CRITERIA GW and SW: Cu = DM /D,0 greater than 4 for GW, greater than 6 for SW Cc = DM2/DM x D)0 between 1 and 3 GP and SP: Clean gravel or sand not meeting requirements for GW and SW GM and SM: Atterberg Limit below "A-LINE" or PI less than 4 GC and SC: Atterberg Limit above "A-LINE", or PI greater than 4 Bilt orlay FineSand MediumSand CoarseSand FineGravel CoarseGravel Cobble Boulder §jeve200 40 10 4 3/4" 3H 12" ize 20 40 60 80 LIQUID LIMIT Classification of earth materials is based on field inspection and should not beconstrued to imply laboratory analysis unless so stated MATERIAL SYMBOLS Asphalt Concrete Conglomerate Sandstone Silty Sandstone ^-_~ :j Clayey Sandstone Siltstone Sandy Siltstone Clayev Siltstone/Silty Claystone Claystone/Shale Calcaerous Sandstone Marl Limestone Dolostone Breccia Volcanic Ash/Tuff Metamorphic Rock Quartzite Extrusive Igneous Rod Intrusive Igneous Rock CONSISTENCY CLASSIFICATION FOR SOILSAccording to the Standard Penetration Test Blows / Foot* 0-5 6-10 11-30 31-50 50 Granular Very Loose Loose Medium Dense Dense Very Dense Blows / Foot* 0-5 6-10 11-30 31-50 50 >70 Cohesive Very Sort Soft Medium Stiff Stiff Very Stiff Hard ' using 140-lb. hammer with 30" drop = 350 ft-lb/blow LEGEND OF BORING Bulk Sample Driven Sample Water Level S -_ ._ .ApproximateJMateriaLChange Material Change Bottom of the Boring "NSR" indicates NO SAMPLE RECOVERY I Recycled Paper AGRA ENGINEERING GLOBAL SOLUTIONS Project: Poinsettia Lane Bridge Job. No. 9-252-102500 5/25/99 Page A-2 TEST BORING LOG BORING: B-1 Date(s) Drilled: 5/5/99 Surface Elevation (ft): 49 Hole Diameter (in):8 3/4" Rig Type: Hollow Stem Auger Depth to Groundwater (ft): 18.5 Boring Completion: Backfilled on 5/5/99 FIELD NOTES(strike/dip etc.)101 114 £'</>iffo 24.9 15.2 MoistureContent (%)15 29 31 38 63 71/6" 79/6" 64/6"Blow Count(blows/foot)bag 2.5 1.4 2.5 1.4 1.4 1.4 1.4 1 4 8 55 «Tffi 0) IICO ,^r (0 1 2 3 4 5 6 7 8 Q d 0) Q. (0(0 Recovery (%)g Oocc 5 10 15 2 20 25 30 35 40 45 50 55 h i- - - f? S£ % 1_._. ^ ^~ — rr = — :=JMaterial SymbolSM_ SO CL Unified SoilClassificationSheet 1 of 1 Total Depth of Boring (ft): 40.5 Drilling Contractor: C & K Drilling Caving: up to 21 ft after pulling auger out ,F'LL: v Tan fine SILTY SAND. , A Dark brown fine CLAYEY SAND. f COLLUVIUM: Dark brown SILTY CLAY with minute voids. TERRACE DEPOSITS: Mottled gray-green poorly indurated fine CLAYEY SANDSTONE. Gray-green poorly indurated fine to medium SILTY SANDSTONE. ...Trace of fine GRAVEL at 21 ft. SANTIAGO FORMATION: Tan-white slightly indurated fine to medium SILTY SANDSTONE. Gray-white CLAYEY SILTSTONE, poorly bedded. ...Red-gray-brown below 38 ft. NOTES: 1. Total depth 40.5 feet. 2. Sampler driven by 140-pound hammer falling from 30" height. 3. Elevation obtained from on-site survey. THIS BORING LOG SUMMARY APPLIES ONLY AT THE TIME AND LOCATION INDICATED. SUBSURFACE CONDITIONS MAY DIFFER AT OTHER LOCATIONS AND TIMES. Logged by: TMP I Recycles Paper ENGINEERING GLOBAL SOLUTIONS Project: Poinsettia Lane Bridge Job. No. 9-252-102500 5/25/99 Page A-3 TEST BORING LOG BORING: B-2 Date(s) Drilled: 5/5/99 Surface Elevation (ft): 50 Hole Diameter (in):8 3/4" Rig Type: Hollow Stem Auger Depth to Groundwater (ft): 20.5 Boring Completion: Backfilled on 5/5/99 FIELD NOTES(strike/dip etc.)110 100 Is Q 9.6 23.9 MoistureContent (%)15 29 32 39 69 67/6" 71 50/4"Blow Count(blows/foot)bag 1.4 2.5 1.4 bag 2.5 1.4 1.4 1.4 1.4 S_ ftto 1 2 3 45 6 7 8 9 10 d o a E CO Recovery (%)Q Oce 5 10 15 I 20 2 - 25 30 35 40 45 50 55 - fe I - a. o* £ % m == — • .- :— =—==[Material SymbolLSM. sc - — —I Unified SoilClassificationSheet 1 of 1 Total Depth of Boring (ft): 41 Drilling Contractor: C & K Drilling Caving: up to 23.5 ft after pulling auger ou .FILL: v Yellow-brown fine SILTY SAND. / Dark brown f \ COBBLES. ne CLAYEY SAND with scattered r ^ TERRACE DEPOSITS: Red-brown to orange-brown poorly indurated fine 1 CLAYEY SANDSTONE, with minute voids and ' 1 magnesium-oxide staining. ' Gray-green SANDY CLAYSTONE witrfrninute voids. Gray-green and orange-brown poorly indurated fine SILTY SANDSTONE. SANTIAGO FORMATION: Gray-white slightly indurated fine to medium SILTY SANDSTONE.. Tan poorly bedded CLAYEY SILTSTONE. ...Red gray-brown below 38 ft. NOTES: 1 . Refusal on hard rock at 41 feet. 2. Sampler driven by 140-pound hammer falling from 30" height. 3. Elevation obtained from on-site survey. THIS BORING LOG SUMMARY APPLIES ONLY AT THE TIME AND LOCATION INDICATED. SUBSURFACE CONDITIONS MAY DIFFER AT OTHER LOCATIONS AND TIMES. Logged by:TMP I Recycled Paper 4^ AGRA ENGINEERING GLOBAL SOLUTIONS APPENDIX B I I I I I I I I I I I I I I I I Dokken Engineering Job No. 9-252-102500 Structure Foundation Report May 25,1999 Poinsettia Lane Overhead Widening Page (B-1) APPENDIX B LABORATORY TESTING The laboratory test program was designed to fit the specific needs of this project and was limited to testing on-site materials. A brief description of each type of test is presented below. Results are given on the following pages and on the boring logs in Appendix A. Moisture contents and dry densities were determined for numerous relatively undisturbed samples. Results are listed on the boring logs in Appendix A and the Log of Test Borings. In addition to the in-situ field tests, strength characteristics of the subsurface soils were determined in the laboratory by direct shear tests performed on 3 relatively undisturbed samples. Specimens were submerged and tested at 3 normal loads. All samples were tested in a 2.5-inch I.D. circular shear box, using a controlled displacement rate. The direct shear tests were performed in general accordance with ASTM D 3080. Results are listed in Table B-1. Corrosivity tests were performed on 1 sample. The pH and minimum electrical resistivity were determined in general accordance with California Test 643. Soluble Sulphate content was determined in accordance with California Test 417. Total chloride ion content was determined in accordance with California Test 532. Results are contained in Table B-2. The grain size distribution of 1 sample was determined in general accordance with ASTM D 422. Results are plotted on Page B-3. Soil samples not tested are now stored in our laboratory for future reference and analysis, if needed. Unless notified to the contrary, all samples will be disposed of 30 days from the date of this report. 4^ AGRA ENGINEERING GLOBAL SOLUTIONS \ Recycled Paper I I I I I I I I I I I I I I I I I I I Dokken Engineering Structure Foundation Report Poinsettia Lane Overhead Widening Job No. 9-252-102500 May 25,1999 Page (B-2) TABLE B-1 SUMMARY OF DIRECT SHEAR TEST RESULTS (ASTM D 3080-72) Boring No. / Sample No. B-1/ 4 B-3/2 B-3/6 Normal Stress (psf) 1125 2160 3195 1125 2160 3195 1125 2160 3195 Peak Shear Stress (psf) 1526 2729 3571 1221 2303 2867 888 1647 2432 Shear Stress at 0.25 in Displacement (psf) 712 1619 2461 842 1720 2387 731 1443 2128 TABLE B-2 SUMMARY OF CORROSIVITY TEST RESULTS (California Test Nos. 417, 422 and 643) Boring No. / Sample No. B-4/2 EH 7.3 Resistivity (ohm-cm) 2990 Soluble Sulfate (ppm) Chloride (ppm) AGRA ENGINEERING GLOBAL SOLUTIONS } Recycled Paper 10( 90 SO 70 P <D U 60 & i 50 Q. £ 40 UJo(£UJ °- 30 20 10 °5 U.S STANDARD SIEVE SIZE 3" 2" 11/j" 1" y," %"%" No.4 No_8 No«.16 No. 30 No. 50 No. 100 No. 200 30 WIDEHS I IIi i i ] i %V 11J \| \ \ \ \ \ \ill \\\ \ \ \ \ \ 1 ^ «.-I i 100 50 10 5 1.0 05 0.1 0.05 0.01 0.005 0.001 GRAIN SIZE IN MILLIMETERS COBBLES GRAVEL Coarse Fine SAND Coarse | Medium Fine Fines (Silt and Clay) Sample No. or Location Test Date USCS 5/18/99 Description SILTY SANDSTONE Nature Water LL PL PI SE Max. Dry Density Optimum Water GRAIN SIZE DISTRIBUTION 4§> AGRA Earth & Environmental 3roject: POINSETTIA LANE OH WIDENING By: WMC Date: 5/25/99 I• ISA Associates, Inc. | APPENDIX C • VISTA ENVIRONMENTAL SITE ASSESSMENT REPORT I I I I I I I I I I I I I I I I 11/15/99 «P:\DEC832\IS-MND\IS-MND.DOC» SITE ASSESSMENT REPORT (ALL DATABASES SEARCHED T01 MILE) PROPERTY INFORMATION Project Name/Ref #: Not Provided Carlsbad, CA 92008 Latitude/Longitude: ( 33.102634, 117.315246 ) CLIENT INFORMATION AGRA EartrfEnvironmenta AGRA EarthEnvironmental-San D 16760 West Bernardo Dr. SanDieqo,CA92127 Site Distribution Summary Agency / Database - Type of Records A) Databases searched to 1 mile: US EPA NPL National Priority List US EPA CORRACTS RCRA Corrective Actions and associated TSD (TSD) STATE SPL State equivalent priority list B) Databases searched to 1 mile: STATE SCL State equivalent CERCLIS list US EPA CERCLIS/ Sites currently or formerly under review by US EPA NFRAP US EPA TSD RCRA permitted treatment, storage, disposal facilities STATE LUST Leakinq Underqround Storaqe Tanks STATE SWLF Permitted as solid waste landfills, incinerators, or transfer stations C) Databases searched to 1 mile: STATE UST Reqistered underqround storaqe tanks STATE AST Registered aboveqround storaqe tanks D) Databases searched to 1 mile: US EPA ERNS Emerqency Response Notification System of spills US EPA LG GEN RCRA registered large generators of hazardous waste US EPA SM GEN RCRA registered small generators of hazardous waste STATE SPILLS State spills list within V8 mile 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1/810 1/4 mile 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1/4 to inutile 0 0 0 0 0 0 2 0 5 0 0 0 1 0 7/2 to 1nOe 0 0 0 0 0 0 1 0 2 0 0 0 1 0 For more information call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403. Report ID: 595501901 Version 2.6.1 Date of Report: June 7,1999 Page/1 1 1 1 I I 1 1 1 1 1 1 I 1 1 1 1 I 1 1 This report meets the ASTM standard E-1527 for standard federal and state government database research in a Phase I environmental site assessment. A (-) indicates a distance not searched because it exceeds these ASTM search parameters. LIMITATION OF LIABILITY Customer proceeds at its own risk in choosing to rely on VISTA services, in whole or in part, prior to proceeding with any transaction. VISTA cannot be an insurer of the accuracy of the information, errors occurring in conversion of data, or for customer's use of data. VISTA and its affiliated companies, officers, agents, employees and independent contractors cannot be held liable for accuracy, storage, delivery, loss or expense suffered by customer resulting directly or indirectly from any information provided bv VISTA. NOTES ^fSmtil For more infonmation ca" VISTA Information Solutions, Inc. at 1 • 800 - 767 - 0403. ^nBf Report ID: 595501901 Date of Report: June 7, 1999 ^HV Version 2.6.1 Pagetl 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I 1 1 SITE ASSESSMENT REPORT (ALL DATABASES SEARCHED T0 1 MILE) SITE INVENTORY HAP D 1 PROPERTY AND THE ADJACENT AREA (within 1/8 mile) VISTA ID DISTANCE DIRECTION HOUR PHOTO AN <06ioos 7040 AVENIDA ENCINAS aro" CARLSBAD, CA 92009 A f is B ^o B §§ C ;. D V) Hi i 2 i X 3 £ MAP ID SITES IN THE SURROUNDING AREA (within 1/8 • 1/4 mile) VIST A ID DISTANCE DIRECTION A |CORRACTStfSD)% B „!§^u. C ,§ D |o 2 (9 1 No Records Found MAP ID 2 2 2 2 2 2 1 SITES IN THE SURROUNDING AREA (within 1/4 -1/2 mile) VISTA ID DISTANCE DIRECTION CARLSBAD VOLVO 3976054 6830 AVENIDA ENCINAS °'26MN CARLSBAD, CA 92009 CARLSBAD VOLVO ™W905 6830 AVENIDA ENCINAS "^^ CARLSBAD, CA 92009 HOEHN HONDA ™™o 6800 AVENIDA ENCINAS a30^ CARLSBAD, CA 92009 HOEHN HONDA 7004304 6800 AVENIDA ENCINAS °"jj CARLSBAD, CA 92009 HOEHN HONDA 10788290 6800 AVENIDA ENCINAS a30" CARLSBAD, CA 92009 HOEHN HONDA vuazH 6800 AVENIDA ENCINAS """"^ CARLSBAD, CA 92009 A (CORRACTSttSD)_i B d u. uu §i X X u. C , X X X X 3 D ,UlO 2 (9 X 2 95gg2/ X = search criteria; • = tag-along (beyond search criteria). BQQT For more information call VISTA Information Solutions, Inc. at 1 - 800 - 767 • 0403. ^Kf Report ID: 595501901 Date of Report: June 7, 1999 '^ Version 2.6.1 Page/7 I I I I I I I I I I I I 1 I 1 I I I 1 MAP ID 3 SITES IN THE SURROUNDING AREA (within 1/4 -1/2 mile) VISTA ID DISTANCE DIRECTION RATAN RAM S «3U85 7204 PONTO °'34Ms CARLSBAD, CA 92009 A z g- <r. £ 1 8 « B * a. £ z 3 0 S2 _ 3* u. ^ C i X S D «/» 1 Sn S (9 3£ MAP ID 4 5 6 SITES IN THE SURROUNDING AREA (within 1/2-1 mile) VISTA ID DISTANCE DIRECTION LEUCADIA COUNTY WATER DISTRICT S297263 2017 HY 101 °'73M ENCINITAS.CA 92024 THOMPSON ROSE CO INC M™ 7440 BATIQUITOS DR °-77M'E CARLSBAD, CA 92009 DENNIS FLOWERS ™7469 8000 POINSETTIA LANE END °'93MIE CARLSBAD. CA 92008 A g IciV) B g 1o52 </>_j X u. C te X X D 1 30 S LU O 31 X , X = search criteria; • = tag-along (beyond search criteria). For more information call VISTA Information Solutions, Inc. at 1 - 800 • 767 • 0403. Report ID: 595501901 Version 2.6.1 Date of Report June 7,1999 Page/8 I I I I i i i i i i i i i i i UNMAPPED SITES VIST A ID SOUTH CARLSBAD STATE BEACH ^38666 HIGHWAY 101 CARLSBAD, CA 92008 CECIL J.HANNAN «»W7 2433 - 7 07TH ST ENCINITAS.CA 92024 H G FENTON «W6n 16251 BRANDY CANYON SAN DIEGO, CA 92073 USN-FLEET ASW TRAINING CENTER «>««» HARBOR HARBOR OR SAN DIEGO, CA 92147 THE FIELDSTONE COMPANY RANCHO SAN DIEGO »«« VIA RANCHO SAN DIEGO SAN DIEGO, CA 92199 SOUTHLAND CORP »995X 8355 OTAY MESA RD SAN DIEGO, CA MURRAY CANYON BURNSITE #«?ss TB 53-D4 ADJ MURRAY RIDGE PK SAN DIEGO, CA SOUTH BAY LAND OUTFALL PHASE 1 ^30853 ALIGNMENT ALONG MONUMENT RD TO PACIF SAN DIEGO, CA SAN DIEGO CONVENTION CENTER EXPANSIO «305« SAN DIEGO, CA BELL JR HIGH SLF/SWEETWATER II M&882 SAN DIEGO, CA SAN DIEGO, CA sewes SOLEDAD (SAN TMLR) <«7777 SOLEDAD MOUNTAIN MOUNTAIN SAN DIEGO, CA 92073 A £CORRACTSfTSD)_ia.V) B , Ulo . _j u. X X X X X c , X X X X X X i X D Ul X UlO S ii3% i i X = search criteria; • = tag-along (beyond search criteria). For more information call VISTA Information Solutions, Inc. at 1 • 800 - 767 • Report ID: 595501901 Version 2.6.1 0403. Date of Report: June 7,1999 Page/9 I I I I I I I I I 1 I I 1 I I 1 1 I I SITE ASSESSMENT REPORT (ALL DATABASES SEARCHED T01 MILE) DETAILS PROPERTY AND THE ADJACENT AREA (within 1/8 mile) JVISTA HOUR PHOTO AN Address': 7040 Ai/ENIDft ENCINAS OARLSBADTO92009 RCRA-SmGen - RCRA-Small Generator / SRC# 5596 Agency Address: Generator Class: VISTA ID#: Distance/Direction: Plotted as: EPA ID: 4061006 0.10 Ml /E Point CAD983665282 AN HOUR PHOTO 7040AVENIDA ENCINAS UNIT 106 CARLSBAD. CA 92009 Generates 100 kgJmonlh but less than 1000 kgjmonth of non-acutety hazardous waste Map ID 1 SITES IN THE SURROUNDING AREA (within 1/8 -1/4 mile) No Records Found SITES IN THE SURROUNDING AREA (within 1/4 -1/2 mile) VISTA CARLSBADiVOLVO Address': 6830 AVENIDA ENflNAS CARLSBAD/ XJA 92009 STATE UST - State Underground Storage Tank / SRC* 1612 Agency Address: Underground Tanks: Aboveground Tanks: Tanks Removed: Tank ID: °°7 Tank Contents: PETROLEUM Tank Age: NOT REPORTED Tank Size (Units): «*» (GALLONS) RCRA-SmGen - RCRA-Small Generator/ SRC# 5596 Agency Address: Generator Class: SAMEASABOVE 1 NOTREPORTED NOTREPORTED VISTA ID#: Distance/Direction: Plotted as: EPA/Aqencv ID: 3976054 0.26 Ml /N Point N/A Tank Status: ACTIVBIN SERVICE Leak Monitoring: Age^y code o Tank Piping: UNKNOWN Tank Material: OTHER DESCRIPTIONS EPA ID: ICAD981983323 CARLSBAD VOLVO 6830 AVENIDA ENCINAS CARLSBAD. CA 92008 Generates TOO kgJmonlh but less than 1000 kgjmonth of non-acutefy hazardous waste Map ID. 2 • VISTA address includes enhanced city and ZIP. For more information call VISTA Information Solutions, Inc. at 1 • Report ID: 595501901 Version 2.6.1 800-767-0403. Date of Report: June 7,1999 Page fW I I I I I I I 1 I I I I I I I I I I 1 ] ••? i SITES IN THE SURROUNDING AREA (within 1/4- VISTA; Address':;' JGARLSBAD VOLVO 6830 AVENIDA ENCINAS CARLSBAD, CA 92009 STATE UST - State Underground Storaqe Tank / SRC* 5835 Agency Address: Underground Tanks: Aboveground Tanks: Tanks Removed: Tank ID: TOOIU Tank Contents: WASTEOIL Tank Age: » Tank Size (Units): '«» (GALLONS) SAMEASABOVE 1 NOTREPORTED NOTREPORTED 1/2 mile) CONT. VISTA ID*: Distance/Direction: Plotted as: Agency ID: 7004905 0.26 Ml /N Point H20071 Tank Status: ACTIVE/IN SERVICE Leak Monitoring: NOT AVAILABLE Tank Piping: SUCTION Tank Material: DOUBLE WALLED OR SINGLE WALLED Map ID 2 VISTA; Address': A HOEHN HONDA 6800 AVENIDA ENCINAS CARLSBAD, CA 92009 STATE UST • State Underground Storaqe Tank / SRC* 1612 Agency Address: Underground Tanks: Aboveground Tanks: Tanks Removed: Tank ID: TOOIU Tank Contents: PETROLEUM Tank Age: NOTREPORTED Tank Size (Units): 1000 (GALLONS) VISTA ID#: Distance/Direction: Plotted as: EPA/Agencv ID: 197360 0.30 Ml /N Point N/A SAMEASABOVE 7 NOTREPORTED NOTREPORTED Tank Status: ACTIVEAN SERVICE Leak Monitoring: Agency Code (•) Tank Piping: UNKNOWN Tank Material: FIBERGLASS Map ID 2 VISTA Address*: .:;1 HOEHNHONDA 6800 AVENIDA ENCINAS CARLSBAD, CA 92009 STATE UST - State Underground Storaqe Tank / SRC* 5835 Agency Address: Underground Tanks: Aboveground Tanks: Tanks Removed: Tank ID: now Tank Contents: WASTEOIL Tank Age: » Tank Size (Units): «*» (GALLONS) VISTA ID#: Distance/Direction: Plotted as: Agency ID: 7004904 0.30 Ml /N Point H19612 SAMEASABOVE 1 NOTREPORTED NOTREPORTED Tank Status: CLOSED REMOVED Leak Monitoring: NOT AVAILABLE Tank Piping: GRAVITY Tank Material: DOUBLE WALLED OR SINGLE WALLED Map ID 2 VISTA HOEHN HONDA Address': 6800 AVENIDA ENCINAS CARLSBAD, CA 92009 STATE LUST - State Leaking Underground Storage Tank / SRC* 5671 Agency Address: Facility ID: Leak Date: Leak Report Date: Site Assessment Began: Leak Detection Method: VISTA ID*: Distance/Direction: Plotted as: EPA/Agencv ID: 10788290 0.30 Ml /N Point N/A HOEHNHONDA 6800 AVENIDA ENCINAS CARLSBAD, CA 92018 9UT3700 07/22/98 07/22/98 08/14/98 TANK CLOSURE ia> Map ID 2 * VISTA address includes enhanced city and ZIP. For more information call VISTA Information Solutions, Inc. at 1 Report ID: 595501901 Version 2.6.1 800-767-0403. Date of Report: June 7,1999 Pagef11 I I I I I I I I I I I I 1 I I I I I I SITES IN THE SURROUNDING AREA (within 1/4-1/2 mile) CONT. Leak Cause: Leak Source: Substance: Remediation Event: Remediation Status: Media Affected: Description / Comment: UNKNOWN UNKNOWN WASTE OIL LEAK STOPPED BY: CLOSE TANKLEAK STOP DATE: 07/22198 PRELIMINARY SITE ASSESSMENT UNDERWAY SOIL ONLY PRIORITY: LOWPOTENTIAL HEALTH/SAFETY/ENVIRONMENTAL IMPACT EXISTS AFTER INVESTIGBENEFICIAL: NO BENEFICIAL GROUNDWATER USELOCASENUM: H19612-001.BASINNUM:904.40.GWDEPTH: 13' VISTA HOEHN HONDA Address*: 6800 AVENIDA ENCINAS CARLSBAD, CA 92009 VISTA ID#: 11498274 Distance/Direction: 0.30 Ml / N Plotted as: Point STATE LUST • State Leaking Underground Storage Tank / SRC# 5497 EPA/Aaencv ID: N/A Agency Address: Facility ID: Leak Report Date: Site Assessment Plan Submitted: Substance: Remediation Event: Remediation Status: Media Affected: Reqion / District: Description / Comment: Description / Comment: Description / Comment: HOEHN HONDA 6800 AVENIDA ENCINAS CARLSBAD, CA 92018 9UT3700 01122198 08/27/98 WASTE OIL EXCAVATE AND DISPOSE PRELIMINARY SITE ASSESSMENT WORKPLANREQ SOIL ONLY SAN DIEGO REGION COUNTY: SAN DIEGO CROSS STREET: PALOMAR AIRPORT RD REVIEW DATE:09/28/98 Map ID 2 VISTA RATANtRAMS Address': 7204 RONTO CARLSBAD, CA 92009 STATE UST • State Underground Storage Tank / SRC# 1612 Agency Address: Underground Tanks: Aboveground Tanks: Tanks Removed: Tank ID: Tank Contents: Tank Age: Tank Size (Units): Tank ID: Tank Contents: Tank Age: Tank Size (Units): Tank ID: Tank Contents: Tank Age: Tank Size (Units): VISTA ID£ Distance/Direction: Plotted as: EPA/Aqencv ID: 4038485 0.34 Ml IS Point N/A SAMEASABOVE 7 NOTREPORTED NOTREPORTED TOOW UNLEADED GAS NOTREPORTED 8000 (GALLONS) now UNKNOWN NOTREPORTED NOTREPORTED (GALLONS) WOW UNKNOWN NOTREPORTED NOTREPORTED (GALLONS) Tank Status: CLOSED REMOVED Leak Monitoring: Agency code o Tank Piping: UNKNOWN Tank Material: OTHER DESCRIPTIONS Tank Status: CLOSED REMOVED Leak Monitoring: *geny Code o Tank Piping: UNKNOWN Tank Material: OTHER DESCRIPTIONS Tank Status: CLOSED REMOVED Leak Monitoring: Agency Code o Tank Piping: UNKNOWN Tank Material: OTHER DESCRIPTIONS Map ID 3 • VISTA address includes enhanced city and ZIP. For more information call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403. Report ID: 595501901 Date of Report: June 7,1999 Version 2.6.1 Page f 12 I I I I I i I I I I 1 1 I I I I I I I SITES IN THE SURROUNDING AREA (within 1/4 -1/2 mile) CONT. Tank ID: Tank Contents: Tank Age: Tank Size (Units): now PETROLEUM NOTREPORTED NOT REPORTED (GALLONS) Tank Status: Leak Monitoring: Tank Piping: Tank Material: CLOSED REMOVED Agency Code 0 UNKNOWN OTHER DESCRIPTIONS Tank ID: Tank Contents: Tank Age: Tank Size (Units): now PETROLEUM NOTREPORTED NOTREPORTED (GALLONS) Tank Status: Leak Monitoring: Tank Piping: Tank Material: CLOSED REMOVED Agency Code 0 UNKNOWN OTHER DESCRIPTIONS Tank ID: Tank Contents: Tank Age: Tank Size (Units): now OTHER NOTREPORTED 3003 (GALLONS) Tank Status: Leak Monitoring: Tank Piping: Tank Material: CLOSED REMOVED Agency Code 0 UNKNOWN OTHER DESCRIPTIONS Tank ID: Tank Contents: Tank Age: Tank Size (Units): now OTHER NOTREPORTED 8101 (GALLONS) Tank Status: Leak Monitoring: Tank Piping: Tank Material: CLOSED REMOVED Agency Coded UNKNOWN OTHER DESCRIPTIONS \ STATE UST • State Underground Storage Tank / SRC# 5835 Agency Address: Underground Tanks: Aboveground Tanks: Tanks Removed: RATANRAMS 7204PONTODR CARLSBAD, CA 92009 7 NOTREPORTED NOTREPORTED I Agency ID:IH17155 Tank ID: Tank Contents: Tank Age: Tank Size (Units): now DIESEL NOTREPORTED 8101 (GALLONS) Tank Status: Leak Monitoring: Tank Piping: Tank Material: CLOSED REMOVED NOTAVAILABLE UNKNOWN UNKNOWN Tank ID: Tank Contents: Tank Age: Tank Size (Units): T002U DIESEL NOTREPORTED 3003 (GALLONS) Tank Status: Leak Monitoring: Tank Piping: Tank Material: CLOSED REMOVED NOTAVAILABLE UNKNOWN UNKNOWN Tank ID: Tank Contents: Tank Age: Tank Size (Units): T003U WASTE OIL NOTREPORTED NOTREPORTED (GALLONS) Tank Status: Leak Monitoring: Tank Piping: Tank Material: CLOSED REMOVED NOTAVAILABLE UNKNOWN UNKNOWN Tank ID: Tank Contents: Tank Age: Tank Size (Units): T004U WASTEOIL NOTREPORTED NOTREPORTED (GALLONS) Tank Status: Leak Monitoring: Tank Piping: Tank Material: CLOSED REMOVED NOTAVAILABLE UNKNOWN UNKNOWN Tank ID: Tank Contents: Tank Age: Tank Size (Units): T005U OTHER NOTREPORTED NOTREPORTED (GALLONS) Tank Status: Leak Monitoring: Tank Piping: Tank Material: aOSED REMOVED NOTAVAILABLE UNKNOWN UNKNOWN Tank ID: Tank Contents: Tank Age: Tank Size (Units): T006U OTHER NOTREPORTED NOTREPORTED (GALLONS) Tank Status: Leak Monitoring: Tank Piping: Tank Material: CLOSED REMOVED NOTAVAILABLE UNKNOWN UNKNOWN ' VISTA address includes enhanced city and ZIP. For more information call VISTA Information Solutions, Inc. at 1 • 800 - 767 - 0403. Report ID: 595501901 Date of Report: June 7,1999 Version 2.6.1 Page f 13 I I I I I I I I I I I I I I I I I I 1 SITES IN THE SURROUNDING AREA (within 1/4 -1/2 mile) COOT. Tank ID: Tank Contents: Tank Age: Tank Size (Units): T007U UNLEADED GAS NOTREPORTED 8000 (GALLONS) Tank Status: Leak Monitoring: Tank Piping: Tank Material: CLOSED REMOVED NOTAVAILABLE UNKNOWN DOUBLE WALLED OR SINGLE WALLED SITES IN THE SURROUNDING AREA (within 1/2 -1 mile) VISTA Address*: LEUCADIA COUNTY WATER DISTRICT 2017 HY 101 ENCINfTAS.CA 92024 STATE UST • State Underground Storage Tank / SRC* 5835 Agency Address: Underground Tanks: Aboveground Tanks: Tanks Removed: Tank ID: room Tank Contents: OIESEL Tank Age: NOTREPORTED Tank Size (Units): m (GALLONS) VISTA IDi: Distance/Direction: Plotted as: Agency ID: 5297263 0.73 Ml /MA Radius H32324 SAMEASABOVE 1 NOTREPORTED NOTREPORTED Tank Status: CLOSED REMOVED Leak Monitoring: NOTAVAILABLE Tank Piping: UNKNOWN Tank Material: DOUBLE WALLED OR SINGLE WALLED Map ID 4 VSTA^ •- •Address*: THOMPSON ROSECOINC > 7440BATIQUrr6SDR CARLSBAD, CA 92009 RCRA-SmGen • RCRA-Small Generator/ SRC# 5596 VISTA ID* Distance/Direction: Plotted as: EPA ID: 423226 0.77 Ml /E Point CAD982368854 Agency Address- THOMPSON ROSE COMPANY INC3 J ' 7440BATIQUITOSDR. CARLSBAD, CA 92008 Generator Class: Generates lOO kg Jmonth but less than 1000 kg Jmonth of noiwcutefy hazardous waste Map ID 5 VISTA DENNIS FLOWERS Address*: 8000 POINSETTIA LANE END CARLSBAD; CA 92008 STATE UST - State Underground Storage Tank / SRC* 1612 Agency Address: SAMEASABOVE Underground Tanks: 7 Aboveground Tanks: NOTREPORTED Tanks Removed: NOTREPORTED VISTA ID#: 1587469 Distance/Direction: 0.93 Ml IE Plotted as: Point EPA/Agency ID: N/A Tank ID: TOOW Tank Status: CLOSED REMOVED Tank Contents: OTHER Leak Monitoring: Agemycmtefl Tank Age: NOTREPORTED Tank Piping: UNKNOWN Tank Size (Units): 10000 (GALLONS) Tank Material: OTHER DESCRIPTIONS STATE LUST - State Leaking Underground Storage Tank / SRC# 5497 Agency Address: DENNIS FLOWERS3 ' 8000 POINSETTIA LN CARLSBAD, CA 92007 Facility ID: 9un?« EPA/Agency ID: I N/A Leak Report Date: °7^/90 Site Assessment Plan Submitted: OMSOO Contamination Confirmed Date: ojostao Case Closed Date: os/nos Map 10 6 * VISTA address includes enhanced city and ZIP. For more information call VISTA Information Solutions, Inc. at 1 - i Report ID: 595501901 Version 2.6.1 )- 767 -0403. Date of Report June 7,1999Page/14 I I I I I I I I I I I I I I I I I I I SITES IN THE SURROUNDING AREA (within 1/2 -1 mile) CONT. Substance:DIESEL Remediation Status:CASE CLOSED Media Affected:SOIL ONLY Region / District:SAN DIEGO REGION Description / Comment:COUNTY: SAN DIEGO Description / Comment:REVIEWDATE:11/30/93 [STATE LUST • State Leaking Underground Storage Tank / SRC* 5671 Agency Address: Facility ID: Leak Date: DENNIS FLOWERS 8000POINSETTIALN CARLSBAD. CA 92007 9UT1764 07/12/90 I EPA/Agency ID:IN/A Leak Report Date:07/25/90 Contamination Confirmed Date:07/25/90 Case Closed Date:05/11/93 Leak Detection Method:OTHER MEANS Leak Cause: Leak Source: UNKNOWN UNKNOWN Substance:DIESEL Remediation Event:LEAK STOPPED BY: OTHER MEANSLEAK STOP DATE: 07/12/90ENFORCEMENT: NONE TAKEN Remediation Status:CASE CLOSED Media Affected:SOIL ONLY Description / Comment:PRIORITY: LOWLOCASENUM: H99083401,BASINNUM:904.51.GWDEPTH: [STATE UST - State Underground Storage Tank > SRC# 5835 Agency Address: Underground Tanks: Aboveground Tanks: Tanks Removed: DENNIS FLOWERS 8000 POINSETTIA LN END CARLSBAD. CA 92008 1 NOTREPORTED NOTREPORTED I Agency ID:IH99083 Tank ID: Tank Contents: Tank Age: Tank Size (Units): T001U DIESEL NOTREPORTED 10000 (GALLONS) Tank Status: Leak Monitoring: Tank Piping: Tank Material: CLOSED REMOVED NOTAVAILABLE UNKNOWN UNKNOWN ' VISTA address includes enhanced city and ZIP. For more information call VISTA Information Solutions, Inc. at 1 - J Report ID: 595501901 Version 2.6.1 1-767-0403. Date of Report: June 7,1999 Pagef 15 I I I I I I I I I I I I I i i i i i UNMAPPED SITES VISTA JHEflELDSTONE COMPANY RANCHOSAND1EGO Address': VIAlRj«\ICHO SAN DIEGO T SAN DIEGO^€A 92199 STATE SWLF • Solid Waste Landfill / SRC# 5689 Agency Address: Facility Type: Facility Status: Permit Status: VISTA ID#: Agency ID: 124449 37-CR-0101 NCCOSC SAN DIEGO NCCOSC SAN DIEGO SAN DIEGO, CA SOLID WASTE DISPOSAL FACILITY CLOSURE PENDING UNDER REVIEW VISTA : AcJdress*: .c MURRAY CANYON BURNSITE TB 53-04 ADJ MURRAY RIDGE PK SAN DIEGO, CA STATE SWLF - Solid Waste Landfill / SRC# 5689 Agency Address: Facility Type: Facility Status: Permit Status: VISTA ID#: Agency ID: 5813398 37-CR-0051 SAMEASABOVE SOLID WASTE DISPOSAL FACILITY CLOSED OTHER VISTA ^Address'; : SOUTH BAYIIAND OUTFALL PHASE 1 ALIGNMENT ALONG MONUMENT RD TO PACIF SANDIEGO.CA STATE SWLF - Solid Waste Landfill / SRC# 5689 Agency Address: Facility Type: Facility Status: Permit Status: VISTA ID#:; ..'.; Agency ID: 6830853 "•-;•; ;'<;, ••' •••,.•.'•:'• • : '• , ' 1. 37-AA-0914 SAMEASABOVE TREATMENT PROCESSING PROPOSED PROPOSED/PLANNED VISTA SAN DIEGO CONVENTION CENTER EXPANSIO Address': SAN DJEGO, CA 5TATE SWLF - Solid Waste Landfill / SRC# 5689 Agency Address: Facility Type: Facility Status: Permit Status: VISTAtlD*: v > -'.^•^•""^•.•'•-•C-. fi';: Agency ID: 36830526 > ^ '^'f^ - '':•-':. :- 37-CR-0098 SAMEASABOVE SOLID WASTE DISPOSAL FACILITY OTHER UNDER REVIEW VISTA BELL JR HIGH SLF/SWEETWATER II Address': i SAN DIEGO, CA ' STATE SWLF - Solid Waste Landfill / SRC# 5689 Agency Address: Facility Type: Facility Status: Permit Status: VISTA-ID*: ; ? ;"•," '•'i';;->;; '"'•*:. .'. -" '.>..-;- AqencylD: 6829882 , 37-CR-0088 SAMEASABOVE SOLID WASTE DISPOSAL FACILITY OTHER UNDER REVIEW * VISTA address includes enhanced city and ZIP. For more information call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403. Report ID: 595501901 Version 2.6.1 Date of Report: June 7,1999Page tie I I I I I I I I I I I I I I I I I I 1 SITE ASSESSMENT REPORT (ALL DATABASES SEARCHED T01 MILE) DESCRIPTION OF DATABASES SEARCHED A) DATABASES SEARCHED T01 MILE NPL VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5789 The agency release date for NPL was April, 1999. The National Priorities List (NPL) is the EPA's database of uncontrolled or abandoned hazardous waste sites identified for priority remedial actions under the Superfund program. A site must meet or surpass a predetermined hazard ranking system score, be chosen as a state's top priority site, or meet three specific criteria set jointly by the US Dept of Health and Human Services and the US EPA in order to become an NPL site. SPL VISTA conducts a database search to identify all sites within 1 mile of your properly. SRC#: 5455 The agency release date for Calsites Database: Annual Workplan Sites was October, 1998. The CalSites database contains information on properties (or "sites") in California where hazardous substances have been released, or where the potential for such a release exists. This database is used primarily by the Department of Toxic Substances Control to evaluate and track activities at sites that may have been affected by the release of hazardous substances. Also see SPL/SCL Annual Work Plan (AWP) sites are classified as SPL and all the other sites are classified as SCL CORRACTS VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5596 The agency release date for HWDMS/RCRIS was February, 1999. The EPA maintains this database of RCRA facilities which are undergoing "corrective action". A "corrective action order" is issued pursuant to RCRA Section 3008 (h) when there has been a release of hazardous waste or constituents into the environment from a RCRA facility. Corrective actions may be required beyond the facility's boundary and can be required regardless of when the release occurred, even if it predates RCRA. B) DATABASES SEARCHED T01 MILE CERCLIS VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5790 The agency release date for CERCLIS was March, 1999. The CERCLIS List contains sites which are either proposed to or on the National Priorities Ust(NPL) and sites which are in the screening and assessment phase for possible inclusion on the NPL. The information on each site includes a history of all pre-remedial, remedial, removal and community relations activiies or events at the site, financial funding information for the events, and unrestricted enforcement activities. NFRAP VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5791 The agency release date for CERCLIS-NFRAP was March, 1999. NFRAP sites may be sites where, following an initial investigation, no contamination was found, contamination was removed quickly, or the contamination was not serious enough to require Federal Superfund action or NPL consideration. For more information call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403. Report ID: 595501901 VersonZ.6.1 Date of Report: June 7,1999 Page f 17 I I I I I I I I I I I I I I I I I I I SCL VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5454 The agency release date for Calsites Database: All Sites except Annual Workplan Sites find. ASPIS) was October, 1998. The CalSites database contains information on properties (or "sites") in California where hazardous substances have been released, or where the potential for such a release exists. This database is used primarily by the Department of Toxic Substances Control to evaluate and track activities at sites that may have been affected by the release of hazardous substances. Also see SPL/SCL: Annual Work Plan (AWP) sites are classified as SPL and all the other sites are classified as SCL. The CalSites database includes both known and potential sites. Two- thirds of these sites have been classified, based on available information, as needing "No Further Action" (NFA) by the Department of Toxic Substances Control. The remaining sites are in various stages of review and remediation to determine if a problem exists at the site. Several hundred sites have been remediated and are considered certified. Some of these sites may be in long term operation and maintenance. RCRA-TSD VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5596 The agency release date for HWDMS/RCRIS was February, 1999. The EPA's Resource Conservation and Recovery Act (RCRA) Program identifies and tracks hazardous waste from the point of generation to the point of disposal. The RCRA Facilities database is a compilation by the EPA of facilities which report generation, storage, transportation, treatment or disposal of hazardous waste. RCRA TSDs are facilities which treat, store and/or dispose of hazardous waste. SWLF VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5689 The agency release date for Ca Solid Waste Information System (SWIS) was December, 1998. This database is provided by the Integrated Waste Management Board. The agency may be contacted at: 916-255-4021. The California Solid Waste Information System (SWIS) database consists of both open as well as closed and inactive solid waste disposal facilities and transfer stations pursuant to the Solid Waste Management and Resource Recovery Act of 1972, Government Code Section 2.66790(b). Generally, the California Integrated Waste Management Board learns of locations of disposal facilities through permit applications and from local enforcement agencies. LUST VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5366 The agency release date for Region #7-Colorado River Basin Leaking Underground Storage Tank Listing was August, 1998. This database is provided by the Regional Water Quality Control Board, Region #7. The agency may be contacted at: 760-346-7491. LUST VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5497 The agency release date for Lust Information System (LUSTIS) was October, 1998. This database is provided by the California Environmental Protection Agency. The agency may be contacted at: 916-445-6532. LUST VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5670 The agency release date for Lahontan Region LUST List was January, 1999. This database is provided by the Lahontan Region Six South Lake Tahoe. The agency may be contacted at: 530-542-5400. For more information call VISTA Information Solutions, Inc. at 1 • 800 • 767 - 0403. Report ID: 595501901 Date of Report: June 7,1999 Version 2.6.1 Page f 18 1 1 1 1 •• 1 1 1 1 1 LUST VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5671 The agency release date for Region #9 Leaking Underground Storage Tank List was December, 1998. This database is provided by the Regional Water Quality Control Board, Region #9. The agency may be contacted at 619-467-2980. C);DATABASES SEARCHEQTOTMILiE;, ; UST's VISTA conducts a database search to identify all sites within 1 mile of your property. SRC*: 1612 The agency release date for Underground Storage Tank Registrations Database was January, 1994. This database is provided by the State Water Resources Control Board, Office of Underground Storage Tanks. The agency may be contacted at: 916-227-4364; Caution-Many states do not require registration of heating oil tanks. especially those used for residential purposes. UST's VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5835 The agency release date for San Diego County Environmental Health Services Database-UST Sites was January, 1999. This database is provided by the San Diego County Department of Health Services. The agency may be contacted at: 619-338-2268; Caution-Many states do not require registration of heating oil tanks, especially those used for residential purposes. AST's VISTA conducts a database search to identify aD sites within 1 mile of your property. SRC#: 5513 The agency release date for Aboveground Storage Tank Database was December, 1998. This database is provided by the State Water Resources Control Board. The agency may be contacted at: 916-227-4364. D) DATABASES SEARCHED T(M MILE - ERNS VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5598 The agency release date for was December, 1998. The Emergency Response Notification System (ERNS) is a national database containing records from October 1986 to the release date above and is used to collect information for reported releases of oil and hazardous substances. The database contains information from spill reports made to federal authorities including the EPA, the US Coast Guard, the National Response Center and the Department of Transportation. The ERNS hotline number is (202) 260-2342. RCRA-LgGen VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5596 The agency release date for HWDMS/RCRIS was February, 1999. The EPA's Resource Conservation and Recovery Act (RCRA) Program identifies and tracks hazardous waste from the point of generation to the point of disposal. The RCRA Facilities database is a compilation by the EPA of facilities which report generation, storage, transportation, treatment or disposal of hazardous waste. RCRA Large Generators are facilities which generate at least 1000 kg./month of non-acutely hazardous waste ( or 1 kg./month of acutely hazardous waste). ^^S90S9r For more information call VISTA Information Solutions, Inc. at 1 - 800 - 767 • 0403. *^8SKt Report ID: 595501901 Date of Report: June 7, 1999 ^Kf Version 2.6.1 PagefU T I I I I I I I I I I I I I I I I I I I RCRA-SmGen VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5596 The agency release date for HWDMS/RCRIS was February, 1999. The EPA's Resource Conservation and Recovery Act (RCRA) Program identifies and tracks hazardous waste from the point of generation to the point of disposal. The RCRA Facilities database is a compilation by the EPA of facilities which report generation, storage, transportation, treatment or disposal of hazardous waste. RCRA Small and Very Small generators are facilities which generate less than 1000 kg./month of non-acutely hazardous waste. SPILL VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5835 The agency release date for San Diego County Environmental Health Services Database-Spill Sites was January, 1999. This database is provided by the San Diego County Department of Health Services. The agency may be contacted at: 619-338-2268. End of Report For more information call VISTA Information Solutions, Inc. at 1 - 800 • 767 - 0403. Report ID: 595501901 Date of Report: June 7,1999 Version 2.6.1 Page f20 I I I I I I I I I I I I I I I I I I I Subject Site SITE ASSESSMENT REPORT (ALL DATABASES SEARCHED TO 1 MILE) Map of Sites within 1 Mile Category: Databases Searched to: Single Sites Multiple Sites A 1 mi. Highways and Major Roads Roads Railroads Rivers or Water Bodies Utilities NPL, SPL, CORRACTS (TSD) B 1/2 mi. CERCLIS\ NFRAP, TSD, LUST, SWLF, SCL C 1/4 mi. A A UST oo ERNS, GENERATORS For More Information Call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403 Report ID: 595501901 Date of Report: June 7,1999 Page #3 I I I I I I I I I I I I I I I I I I I SITE ASSESSMENT REPORT (ALL DATABASES SEARCHED TO 1 MILE) Map of Sites within 1/4 Mile GULF OF SANTA GATAXINA Subject Site Category: Databases Searched to: Single Sites Multiple Sites A 1 mi. Highways and Major Roads Roads Railroads Rivers or Water Bodies Utilities NPL, SPL, CORRACTS (TSD) B 1/2 mi. CERCLIS\ NFRAP, TSD, LUST, SWLF, SCL o O UST ERNS, GENERATORS For More Information Call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403 Report ID: 595501901 Date of Report: June 7,1999 Page #4 I I I I I I I I I I I I I I I I I I I SITE ASSESSMENT REPORT (ALL DATABASES SEARCHED TO 1 MILE) Sites Represented as Radius Buffers These radii are estimated from agency records or detailed street maps. The radii may be based on the furthest boundary of each property or study area from its center. For more information contact the agency referenced by source number in the site listing. Subject Site Highways and Major Roads Roads Railroads Rivers or Water Bodies Utilities For More Information Call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403 Report ID: 595501901 Date of Report: June 7,1999 Page #5 I I I I I I I I I I I I I I I I I I I SITE ASSESSMENT REPORT (ALL DATABASES SEARCHED TO 1 MILE) Street Map Subject Site Highways and Major Roads Roads Railroads Rivers or Water Bodies Utilities For More Information Call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403 Report ID: 595501901 Date of Report: June 7,1999 ISA Associates, Inc. APPENDIX D NOISE ANALYSIS 11/15/99 «P:\DEC832\IS-MND\IS-MND.DOC» I I I I I I I I I I I POINSETTIA LANE BRIDGE WIDENING/IMPROVEMENT PROJECT NOISE ANALYSIS • November 15, 1999 Prepared/or: H City of Carlsbad Planning Department 1 2075 Las Palmas Drive Carlsbad, California 92009-1576 • Prepared by: I LSA Associates, Inc. 1 Park Plaza, Suite 500 Irvine, California 92614 1 (949) 553-0666 ISA Project WEC832 Under Contract to: Dokken Engineering 3914 Murphy Canyon Road, Suite A153 San Diego, California 92123 I LSA Associates, Inc. TABLE OF CONTENTS PAGE 1.0 EXECUTIVE SUMMARY 1 I 2.0 PROJECT DESCRIPTION 1 • 3.0 SETTING 4 • 3.1 NOISE DEFINITIONS 4 3.2 NOISE SCALES 4 _ 3.3 REGULATORY BACKGROUND 5 4.0 EXISTING CONDITIONS 7 _ 4.1 PREVIOUS NOISE STUDIES 7 • 4.2 FIELD MEASUREMENTS 9 5.0 IMPACTS 9 • 5.1 CONSTRUCTION 11 • 5.2 OPERATIONS 12 1 6.0 MITIGATION MEASURES 16 6.1 CONSTRUCTION 16 6.2 OPERATIONS 16 I 7.0 REFERENCES 17 ATTACHMENTS • A - SOUND32 NOISE MODELING OF FUTURE NO BUILD SCENARIO B - SOUND32 NOISE MODELING OF FUTURE BUILD ALTERNATIVES • C - FHWA HIGHWAY TRAFFIC NOISE PREDICTION MODEL OUTPUTS I I I I I ll/5/99«P:\DEC832\Noise\dec832.nse.wpd» I I LSA Associates, Inc. I LIST OF FIGURES PAGEI 1 - Regional Location Map 2 1 2 - Proposed Project 3 3 - Noise Monitoring Locations 10 4 - Noise Modeling Locations 14 I LIST OF TABLES I I I I I I I PAGE I A - Noise Abatement Criteria (NAC) 5 B - Existing Noise Level Measurements 9 C - 24 Hour CNEL Traffic Noise Levels Distance to Roadway Centerline, Feet .. 12 •j D - Peak Hour Noise Levels at Sensitive Receptor Locations 15 I I I I 1 l/5/99«P:\DEC832\Noise\dec832.nse.wpd» 111 I I I I I I I I I I I i i i i i i i i LSA Associates, Inc. 1.0 EXECUTIVE SUMMARY The City of Carlsbad proposes to widen the Poinsettia Lane bridge, in the City of Carlsbad, California. The widening/improvements will assist in increasing the level of service at this bridge to accommodate growth in the project area. It will also help to improve Interstate-5 (1-5) access along Poinsettia Lane. The following analysis provides a discussion of the fundamentals of sound; examines State and City noise guidelines and policies; reviews noise levels at representative existing sensitive receptor locations; evaluates potential noise impacts associated with the proposed project; and provides mitigation for identified significant impacts. Modeled traffic noise levels are based upon vehicle data provided by Linscott, Law & Greenspan Engineers, May 1999. This evaluation was prepared in conformance with local standards, and utilizes procedures and methodologies as specified by Caltrans. The technical noise data, including model run results, are provided in the Appendices A through C. During the construction phase of the project, ambient noise levels in the project vicinity would be raised, especially at the existing mobile home park to the southeast of the bridge. Although noise associated with construction would be temporary, mitigation measures would be required to reduce the noise impacts during construction period. The proposed project would not alter noise associated with aircraft overflight and train pass by in the project area. The analysis shows that future baseline traffic noise levels at the nearest sensitive receptor locations would not exceed the City of Carlsbad's 24 hour criterion of 60 dBA CNEL and Caltrans' peak hour criterion of 67 dBA Leq. Since the increases in traffic volumes are not expected as a direct consequence of the project, no project related noise impacts may be attributed to changes in traffic volumes. Implementation of the pro- posed project would not change the projected future noise levels in areas outside the project improvement area. The proposed project would result in changes in the noise exposure along Poinsettia Lane where proposed new travel lanes would move some traffic away from receptors at the existing mobile home park to the south. However, project related traffic noise level changes would be small and less than significant. Future residential uses proposed in the Poinsettia Properties Specific Plan area adjacent to Poinsettia Lane have incorporated mitigation measures to reduce traffic noise impact from Poinsettia Lane. No mitigation measures are required for long-term project im- pacts. 2.0 PROJECT DESCRIPTION Figure 1 illustrates the regional location of the proposed project. The project site is located hi the City of Carlsbad. Figure 2 illustrates the project improvement plan. The proposed plan includes widening the bridge over the rail tracks on the north side, adding a travel lane to both eastbound and westbound directions. ll/5/99«P:\DEC832\Noise\dec832.nse.wpd» PROJECT LOCATION Source: USGS 7.5' Topographic Quadrangle, "Encinitas 6/16/99(DEC832)Figure 1 N LSA Scale in Feet I I 0 1000 2000 Project Location ^SSf^^^S^^ .1p^4^;^ *£&£• ^-.^ JS 'i-g^ *:&>': ^K""L' -?" '"* Base Map Source: Dokken Engineering. 8/3/99(DEC832)Figure 2 LSA Scale in Feet I I 0 50 100 Proposed Project I I I 1 I I I I I I I I I I I I I I I LSA Associates, Inc. 3.0 SETTING 3.1 NOISE DEFINITIONS Sound is a pressure wave transmitted through the air. It is described in terms of loud- ness or amplitude (measured in decibels), frequency or pitch (measured in Hertz [Hz] or cycles per second), and duration (measured in seconds or minutes). The standard unit of measurement of the loudness of sound is the decibel (dB). Typical human hearing can detect changes in sound levels of approximately 3 dB under normal conditions. Changes of 1 to 3 dB are detectable under quiet, controlled conditions, and changes of less than 1 dB are usually undiscernible. The human ear is not equally sensitive to all frequencies. Sound waves below 16 Hz are not heard at all and are "felt" more as a vibration. Similarly, while people with ex- tremely sensitive hearing can hear sounds as high as 20,000 Hz, most people cannot hear above 15,000 Hz. In all cases, hearing acuity falls off rapidly above about 10,000 Hz and below about 200 Hz. Since the human ear is not equally sensitive to sound at all frequencies, a special frequency dependent rating scale is usually used to relate noise to human sensitivity. The A-weighted decibel scale (dBA) performs this compensation by discriminating against frequencies in a manner approximating the sensitivity of the human ear. Noise is defined as unwanted sound, and is known to have several adverse effects on people, including hearing loss, speech and sleep interference, physiological responses, and annoyance. Based on these known adverse effects of noise, the federal government, the State of California, and many local governments have established criteria to protect public health and safety and to prevent disruption of certain human activities. 3.2 NOISE SCALES Several rating scales (or noise "metrics") exist to analyze adverse effects of noise (in- cluding traffic generated noise) on a community. These scales include the equivalent continuous noise level (L^), the community noise equivalent level (CNEL), and the day- night average noise level (L^). L^ is a measurement of the sound energy level averaged over a specified time period (usually one hour). L^ represents the amount of variable sound energy received by a receptor over a time interval in a single numerical value. For example, a one hour L^ noise level measurement represents the average amount of acoustic energy that occurred in that hour. Other values of concern include the L^,, and L,^. These are the minimum and maximum values recorded over a designated time interval or event. Unlike the Leq metric, the CNEL noise metric is based on 24 hours of measurement. CNEL also differs from L,.,, in that it applies a time weighted factor designed to empha- size noise events that occur during the evening and nighttime hours (when quiet time and sleep disturbance is of particular concern). Noise occurring during the daytime period (7:00 a.m. to 7:00 p.m.) receives no adjustment. Noise produced during the evening time period (7:00 p.m. to 10:00 p.m.) is adjusted by 5 dBA, while nighttime (10:00 p.m. to 7:00 a.m.) noise is adjusted by 10 dBA. H/5/99«P:\DEC832\NoiseWec832.nse.wpd» I I I I I I I I I I I I I I 1 1 I I I ISA Associates, Inc. The Li, noise metric is similar to the CNEL metric except that the period from 7:00 p.m. to 10:00 p.m. receives no adjustment. Both the CNEL and L^ metrics yield approximately the same 24 hour value (within one dBA), with the CNEL being the more restrictive of the two, or approximately 1 dBA higher than the L^, value. 3.3 REGULATORY BACKGROUND 3.3.1 State Guidelines and Standards California Department of Transportation Caltrans indicated in its Traffic Noise Analysis Protocol (October, 1998) that reason- able and feasible noise abatement measures should be incorporated into new or recon- struction highway projects. Caltrans has established a noise abatement criterion (NAC) of 67 dBA (exterior L^) for noise sensitive activities/land uses. Table A lists the NAC for various land use catego- ries. "Sensitive" land uses are defined as picnic areas, recreation areas, playgrounds, active sports areas, parks, residences, motels, hotels, schools, churches, libraries, and hospitals. Table A - Noise Abatement Criteria (NAC) Activity Category Hourly A-Weighted Noise Levels' L«q (dBA) Description of Activity Category A 57 Lands on which serenity and quiet are of extraordinary (exterior) significance and serve an important public need and where the preservation of those qualities is essential if the area is to continue to serve its intended purpose. B 67 Picnic areas, recreation areas, playgrounds, active sports (exterior) areas, parks, residences, motels, hotels, schools, churches, libraries, and hospitals. C 72 Developed lands, properties, or activities not included in (exterior) Categories A or B, above. D — Undeveloped lands. E 52 Residences, motels, hotels, public meeting rooms, schools, (interior) churches, libraries, hospitals, and auditoriums. Source: State of California Department of Transportation, Traffic Noise Analysis Protocol, Octo- ber, 1998 Noise attenuation requirements under California law (i.e., the California Environ-mental Quality Act [CEQA]) differ from the requirements of the Federal Highway Administra- tion (FHWA), which are based on Title 23, Code of Federal Regulations, Part 772 (23 CFR, Part 772). Under National Environmental Policy Act (NEPA), impacts and measures to mitigate adverse impacts must be identified, including the identification of ll/5/99«P:\DEC832\Noise\dec832.nse.wpd» I I I I I I I I I I i I i i i I i i i LSA Associates, Inc. impacts for which no or only partial mitigation is possible. Under CEQA, a substantial noise increase may result in a significant adverse environmental effect and, if so, must be mitigated or identified as a noise impact for which it is likely that no, or only partial abatement measures are available. Specific economic, social, environmental, legal, and technological conditions may make additional noise attenuation measures infeasible. Under FHWA regulations (23 CFR 772), noise abatement must be considered for Type I project when the project results in a substantial noise increase, or when the predicted noise levels approach or exceed the Noise Abatement Criteria (NAC). Noise abatement measures which are reasonable and feasible and that are likely to be incorporated in the project, as well as noise impacts for which no apparent solution is available, must be identified and incorporated into the project's plans and specifications (23 CFR 772.11(e)(l)and(2)). A noise increase is substantial when the predicted noise levels with the project exceed existing noise levels by 12 dBA, A traffic noise impact will also occur when predicted noise levels with project approach within 1 dBA, or exceed the Noise Abatement Criteria (NAC). 3.3.2 City of Carlsbad Noise Guidelines Noise Element The noise standards specified in the City of Carlsbad General Plan (September 6,1994), Noise Element are used as a guideline to evaluate the acceptability of the noise levels generated by the traffic flow. These standards are for assessment of long-term vehicular traffic noise impacts. The City of Carlsbad uses 60 dBA CNEL as the critical criterion (65 dBA CNEL for McClellan-Palomar Airport noise) for assessing the compatibility of residential land uses with noise sources. The City of Carlsbad requires that the interior living areas for residential land uses not exceed 45 dBA CNEL, with openings to the exterior of the residence open or closed. For a long-term noise impact assessment in areas already exposed to noise levels ex- ceeding the 65 dBA CNEL, a change of 3 dBA or more in noise level by the project would be considered significant. Noise Ordinance The City of Carlsbad does not have a comprehensive noise ordinance. However, Chap- ter 8.48 of the Carlsbad Municipal Code (CMC) limits the hours of construction. Construction activities are limited to normal weekday working hours (7:00 a.m. to 7:00 p.m. Monday through Saturday). No construction work is allowed on Sundays and federal holidays. In addition, the City's Municipal Code requires that all construction equipment should maintain properly equipped muffler systems to reduce noise during construction phase. ll/5/99«P:\DEC832\Noise\dec832.nse.wpd» I I I I I I I I I I i I i i i i i i i ISA Associates, Inc. 4.0 EXISTING CONDITIONS There are existing residences in the mobile home park on the south side of Poinsettia Lane east of the bridge. Other areas along this segment of Poinsettia Lane are currently vacant, with future residential and commercial uses proposed abutting Poinsettia Lane. Residents at the existing mobile home park are sensitive receptors that would be affected by the construction and future traffic flow on Poinsettia Lane bridge. Residents at the proposed residential uses would be affected by the traffic noise from Poinsettia Lane. There is an existing (5-1/2 foot high) masonry jersey wall along the south side of the road adjacent to the mobile home park. On the bridge, there is a (2-1/2 foot high) masonry jersey wall on both sides of the bridge for safety purposes. The most significant and common source of noise in the project area is transportation related, including on-road vehicles, trains, and aircraft activities. Of these, motor vehicle noise is of concern because of its high rate of occurrence and roadway proximity to sensitive areas. This was confirmed in the field study to be discussed below, where existing noise levels in the project area are those typical of urban development and consist mainly of vehicular traffic. Aircraft overflight generates occasional short-term noise, but their integrated contribution is small. Train pass by generates relatively high single event noise, but contributes less to the long term ambient noise than vehicular traffic does. The following discussion summarizes noise findings in two previous noise studies and a recent field noise monitoring. 4.1 PREVIOUS NOISE STUDIES 4.1.1 City of Carlsbad General Plan Update Final Environmental Impact Report In the Final Master Environmental Impact Report for the City of Carlsbad General Plan Update (March 1994), noise from several mobile sources were identified, including aircraft, rail, and vehicular traffic. The project site and its immediate vicinity are not and will not be impacted by the 65 dBA CNEL from the McClellan-Palomar Airport. The following summarize the noise impacts from rail and vehicular traffic in the project area discussed in this document. Rail The San Diego Northern Railroad tracks (owned and operated by North County Transit District [NCTD]) run parallel to the coastline through the project area. The railroad right-of-way is 100 feet wide. Currently AMTRAK operates several daily passenger trains between San Diego and Los Angeles. There are also a total of 18 Coaster com- muter trains (nine northbound and nine southbound between San Diego and Oceanside) travel through the project area. Additionally, approximately five freight trains pass through the project area daily, some after 5:00 p.m. Currently, there is an existing six foot wall along the western property line of the mobile home park adjacent to the rail tracks. ll/5/99«P:\DEC832\Noise\dec832.nse.wpd» I I I I I I I I I I I I I I I I I I I ISA Associates, Inc. Vehicular Traffic The distance from roadway centerline to noise contours were projected for the year 2010. Along Poinsettia Lane between Carlsbad Boulevard and Paseo Del Norte, the 70, 65, and 60 dBA CNEL were projected to extend to 115, 247, and 533 feet, respectively, from the roadway centerline. Currently, there is an existing 5-1/2 foot high jersey barrier along the south side of Poinsettia Lane. 4.1.2 Poinsettia Properties Specific Plan Final Program Environmental Impact Report In the Final Program Environmental Impact Report for the Poinsettia Properties Specific Plan (July 1997), noise from several mobile sources were identified, including rail and vehicular traffic. The following summarize the noise impacts from rail and vehicular traffic in the project area discussed in this document. Rail The NCTD railroad tracks pass through the project area. Currently AMTRAK operates several daily passenger trains between San Diego and Los Angeles. There are also a total of 18 Coaster commuter trains (nine northbound and nine southbound between San Diego and Oceanside) travel through the project area. Additionally, approximately five freight trains pass through the project area daily, some after 5:00 p.m. The Wyle Model (Assessment of Noise Environments Around Railroad Operations, Wyle Laboratories Report WCR-73-5, July 1973) was used to determine railroad noise levels. The noise level at distances of 100, 200, and 400 feet from the tracks were projected to be 67.9, 63.9, and 58.2 dBA CNEL, respectively. Because the railroad right-of-way is 100 feet wide in this area, and there is an existing six foot sound barrier along the mobile home park boundary along the railroad right-of-way, existing residences at the mobile home park are not impacted by noise exceeding the 60 dBA CNEL. Vehicular Traffic The distance from roadway centerline to noise contours were projected for future condi- tions. Along Poinsettia Lane between Carlsbad Boulevard and Paseo Del Norte, the 70, 65, and 60 dBA CNEL were projected to extend to 26, 56, and 120 feet, respectively, from the roadway centerline. Currently, there is an existing 5-1/2 foot high jersey barrier along the south side of Poinsettia Lane. Existing residences at the mobile home park are not impacted by traffic noise exceeding the 60 dBA CNEL exterior noise criterion established by the City. 4.2 FIELD MEASUREMENTS A short term noise monitoring was conducted on May 29, 1999, using a Larson-Davis Model 720 Type 2 Integrating/Logging Sound Level Meter. The unit meets the Amer- ll/5/99«P:\DEC832\Noise\dec832.nse.wpd» I I I I 1 I I I I I I I I I I I I I I LSA Associates, Inc. ican National Standards Institute (ANSI) Standard S1.4-1983 for Type 2, International Electrotechnical Commission (IEC) Standard 651-1979 for Type 2, and IEC Standard 651-1979 for Type 2 sound level meters. The unit was calibrated prior to the first set of readings. The accuracy of the calibrator is maintained through a program established through the manufacturer, and is traceable to the National Bureau of Standards. The unit meets the requirements of the ANSI Standard S1.4-1984 and the IEC Standard 942: 1988 for Class 1 equipment. The study included 15 minute readings in the afternoon at two (2) representative recep- tor locations, including mobile home park residences on the south side of Poinsettia Lane. Monitoring locations are shown in Figure 3. Measured noise levels ranged from the high 50s where there are barrier or structural walls that shield the receptor location to the mid 60s where the receptor has direct line of sight to the traffic on Poinsettia Lane. Each reading is summarized in Table B. Buses and passenger cars on Poinsettia Lane generated noise levels between 60 to 75 dBA. Aircraft overflight generated be- tween 50 to 65 dBA. No train pass by noise was observed during the time of noise monitoring. Table B - Existing Noise Level Measurements1 Location/Start Time Leq, dBA Noise Sources - Other Observation Traffic on Poinsettia Lane; air- craft overflight; car alarm; birds chirping. Traffic on Poinsettia Lane and Carlsbad Boulevard; bus and truck driving by. N-l/3:30p.m. 57.4 Sound level meter (SLM) located at mobile home park, approximately 50 feet from western boundary wall and 5 feet above ground level. N-2/3:50p.m. 65.5 SLM located approximately 8 feet from Poinsettia Lane edge, 200 feet east of Carlsbad Boulevard, and 5 feet above ground level. Source: LSA Associates, Inc. 1999. 5.0 IMPACTS Implementation of the proposed project would result in short term construction noise impact and long term traffic noise from the widened bridge/roadway. The proposed project would not affect noise associated with aircraft overflight and train pass by in the project vicinity. Aircraft and train noise in the project vicinity would remain similar to those described in the existing condition. The following focuses on the noise impact associated with project construction and future traffic noise along Poinsettia Lane. 1 Noise measurements taken on May 29, 1999; 15 minute measurements. 1 l/5/99«P:\DEC832\Noise\dec832.nse.wpd» 9 1 nj 1 I-x :;*i?^ .:;*'•: ;v--:r ' ' - - ^--:crpr^5w^7; \f: ;-—•;. {'•>'' ^^^Sfe^-^l-^:^ :s±^^-^^-«!r:5S.^v'<V?. ''•.':• ^J-V^/'^^^Sasfse^^Si STHIPED COKRETE-*mfcih -4»*•. n / S-.--J •••&'•••f$ . 35t as*trj*w 'O4XJ 'E*C '. r» -PL- UK IB . — • •. <a . •. •, ^ •-.,•;, .'«•'. / , ! ,/. VJ- mot.ar «gf mf potWTTu/tMt ^^ . / • . / ^^ -• • •*?*- • - ••>=-^,- .- **-^tr^-_ -^. •:r^l^:.::.-:;1g; :.:.'.,~: .A.. ^,f • 3100.0 f aa-,s.^^^^^^^^c'i^^]r.y--.;.!. i^|^^iifeij^^^^4«^ /.I •. ,;i.r ^^5- Base Map Source: Dokken Engineering. 8/3/99(DEC832)Figure 3 LSA Scale in Feet \ \ 0 50 100 Noise Monitoring Locations I I I I I I I I I I I I I I I I I I I ISA Associates, Inc. 5.1 CONSTRUCTION Construction noise represents a short-term impact on ambient noise levels, as noise levels produced by construction activities can reach relatively high levels. Noise typi- cally associated with the use of construction equipment is best estimated in a study sponsored by the U.S. EPA (Bolt, Beranek, and Newman, 1971), and is estimated at an Leq of between 79 and 89 dBA at a distance of 50 feet from the construction effort for the grading phase except for pile driving activities. Pile driving activities would gener- ate maximum noise levels ranging from 81 to 96 dBA L^ at a distance of 50 feet. Because the piles would be driven into the ground, only the engine noise and impact sound between the pile driver and the pile being driven would be heard at a distance. As a worst case scenario, the level recommended for pile driving, 93 dBA L,^ at 50 feet, is used in this analysis. At a distance of more than 100 feet from active pile driving, the noise would be reduced to 87 dBA L,,^ or lower. Later phases of construction, such as the pouring of forms, typically involve smaller and quieter pieces of equipment. At its nearest point, construction (i.e., bridge widening construction) on the north side of Poinsettia Lane west of the bridge would take place within a distance of about 100 to 150 feet from those receptors located along the south side of Poinsettia Lane east of the bridge. These mobile home residences are approximately 20 to 30 feet below the high point of the bridge, and are shielded by an existing jersey barrier along the south side of Poinsettia Lane. The projected maximum, intermittent noise from construction of the road widening at the nearest existing residences along Poinsettia Lane is estimated at between 80 and 87 dBA L,,^. These values represent a potential short-term nuisance. Depending on the timing of the construction, the proposed residential uses in the Poin- settia Properties Specific Plan may also be exposed to construction noise from the bridge/roadway widening. Construction hour restrictions established by the City of Carlsbad, identified in Section 3.3.2 and in Chapter 6.0, should be followed. In addition to limiting hours of construction activities, equipment and operational speci- fications shall be followed as identified in Chapter 6.0, Mitigation Measures, to reduce pile driving noise and other construction activities. Implementation of the construction mitigation measures set forth in Chapter 6.0 will reduce noise associated with construc- tion activities to below a level of significance. Noise will also be created by the vehicles that transport both workers and materials to the site. This analysis assumes that construction involves as many as 30 workers at any one time. The pieces of heavy equipment for grading and construction activities will be moved on site, will remain for the duration of each construction phase, and will not add to the daily traffic volume. When added to the current traffic volumes along Poinsettia Lane, Avenida Encinas, and Carlsbad Boulevard, the projected volume of construction traffic will be small and its associated noise level change will not be perceptible. How- ever, there will be a relatively high single event noise exposure potential with passing trucks at a maximum level of 87 dBA at 50 feet. This would be a short-term intermit- tent annoyance to noise sensitive receptors adjacent to the construction areas. 1 l/5/99«P:\DEC832\Noise\dec«32.nse.wpd» 11 I I I I I I I I I I I I I I I 1 I I I ISA Associates, Inc. 5.2 OPERATIONS Potential noise impacts associated with project operations are solely from traffic noise created by vehicles that use the system of roadways. It should be noted that the pro- posed project is a bridge/roadway widening/improvement project. Future increases in traffic volumes are not expected as a direct consequence of the project. Therefore, there are no project related noise impacts that may be attributed to changes in traffic volumes. However, changes in bridge/roadway configuration caused by the proposed project will potentially affect noise exposure along the roadway. The FHWA Highway Traffic Noise Prediction Model (FHWA-RD-77-108, December 1978) was used to calculate future noise levels along Poinsettia Lane. Table C lists the distance to the CNEL contour lines from the centerline of the roadway. Traffic noise along Poinsettia Lane is moderate, with the 60 dBA CNEL extending to 151 feet from the centerline (without the effect of sound barriers) under the future (with or without project) conditions. Mobile home park residents to the southeast of the bridge, where there is an existing 5-1/2 foot jersey barrier along-the roadway right-of-way, would not be exposed to noise levels exceeding the 60 dBA CNEL exterior noise standard adopted by the City. Proposed residences in the Poinsettia Properties Specific Plan adjacent to Poinsettia Lane have identified mitigation measures in terms of free standing sound walls along their property boundary to mitigate traffic noise from Poinsettia Lane to below the 60 dBA CNEL exterior noise standard. Table C - 24 Hour CNEL Traffic Noise Levels Distance to Roadway Centerline, Feet Roadway Segment Poinsettia Lane 70 dBA <50' Future CNEL 65 dBA 72 60 dBA 151 Carlsbad Boulevard to Avenida Encinas 1 Traffic noise within 50 feet of the roadway centerline requires site specific study. Source: LSA Associates, Inc., 1999. Because the above traffic noise prediction model predicts noise contours by distance from the roadway centerline, the model is not sensitive to roadway widening or improve- ment that involves mostly right-of-way changes and little centerline movement; there- fore, it is not adequate for impact analysis for the proposed project. Caltrans Sound32 noise model was performed for the future without and with project scenarios to more closely identify the changes resulted from the proposed bridge/roadway widening/improvement. Receptors modeled are the same for both scenarios, and are illustrated in Figure 4, Noise Modeling Locations. Because the project involves the widening of westbound Poinsettia Lane (on the north side), travel lanes on Poinsettia Lane were defined in gridded coordinates and used in the modeling. Noise receptor locations and existing barriers/structures were also gridded for the model 1 l/5/99«P:\DEC832\Noise\dec832.nse.wpd» 12 I I I I I I I I I I I I I I I I I I I ISA Associates, Inc. input. For the future with and without project scenarios, this involved two separate links (one eastbound and one westbound) with the projected noise levels logarithmically added together. (A link is a stretch of road that is demarcated by such things as changes in roadway geometries [e.g., lane configuration, curves, bridges, etc.] and additional traffic entering or leaving the roadway [e.g., an intersection]). Link and receptor loca- tions were scaled off a 1:40 scale map (Dokken Engineering, May 17, 1999). The afternoon (p.m.) peak hour traffic volumes with soft site geometry were modeled. Vehicle count data were provided by Linscott, Law & Greenspan Engineers, May 21, 1999. The Sounds 2 model is sensitive to the volumes of trucks on the roadway, as they con- tribute disproportionally to the traffic noise. The ratios of autos, medium trucks, and heavy trucks in the project area were assumed to be 92, 5, and 3 percent, respectively, on Poinsettia Lane, based on our field observations during the noise monitoring. In addition to vehicle ratios, the noise model is sensitive to vehicle speeds. Due to the change in elevation from Carlsbad Boulevard and Avenida Encinas to the high point of the bridge, speeds used included the following: • All passenger vehicles were modeled at an average speed of 45 mph • All medium-duty trucks were modeled at an average speed of 40 mph. • Heavy-duty trucks were assigned an average speed of 35 mph. For future no project scenarios, the current roadway configuration is used for the travel lanes and roadway edges. Travel lanes and roadway edges are modified for the future with project scenario. Both future scenarios, with or without the project, have the same afternoon peak hour traffic volumes along Poinsettia Lane. Table D lists the noise level at the eight receptor locations for future without project and future with project scenarios. These modeled noise levels are different from the moni- tored noise levels, because the locations do not coincide with each other. Due to the difficulty in accessing and measuring the distances for an exact match between modeled and monitored locations, monitored noise levels were for comparison purposes only, and were not used to calibrate the noise model. Although monitored noise levels were all lower than the modeled noise levels, they are in general agreement with modeled noise levels. Modeled noise levels between the future without and with project scenarios show the project's effect on the receptor locations along Poinsettia Lane, as will be discussed in more detail below. Based on results shown in Table D, all receptor sites on the south side of Poinsettia Lane west of Avenida Encinas, Rl through R8, would not be exposed to traffic noise level exceeding the 67 dBA one hour L^, criterion during peak hours, under the future no 1 l/5/99«P:\DEC832\Noise\dec832.nse.wpd» 13 ttaw ^^;S2lfeS£l*^^ '•''•" ' r • "I M .. !•' '.i-'-.^.-.l'L.'i'.". ' .'. ...i.L .1.*. >B .JMn'U-W^. . Jf\ U .., "J^i. - 1—• "I -- • = 1.1.1:1. "1" """" '""""1555^^^^%^Jt •'!:>rt ftSt:: --: -" z:^1^^?:^ ^_.,.,.^^^^.3^2P^»lT ., ^,. , .. , ^^^-^••,-.,:.^^^.:-_-:^ "••- ">.::•;. .- - -isii)|(.(jio<-,u._...fi,, ; ;. •;""-T?1-—-.i»^; T, •'.•" •..:'•- U^^S^^^'^r^^^^^^''i^1^a?P«.;''^a tiaiT »:wt Mr *oun£TTi>;LMC • t'-' ~* . 1 •'.'••'; 3. \ •-.• • TT"? ;: i IA. i~iV - , ' '.'''.:'. A •''.'•'•"' •.'•->. '•.• -'i.-\ ^ •~wS';..i.: L-Wr~ i ' ' : • I ; '\ '•; !M.-?^- - « '' •••! ®---- \R4 :' ' ' • •'..- • ' **^" ®R3 ® R5 ®R7 ®R8 Base Map Source: Dokken Engineering. 8/3/99(DEC832)Figure 4 LSA Scale in Feet I I 0 50 100 Noise Modeling Locations I I I I I I I I I I I I I I I I I I I ISA Associates, Inc. Table D - Peak Hour Noise Levels at Sensitive Receptor Locations1 1 Hour L^ Levels (dBA) Receptor Rl R2 R3 R4 R5 R6 R7 R8 Future Without Project 61.3 60.9 59.7 61.4 59.6 63.2 57.5 56.9 Future With Project 60.1 60.1 59.3 60.0 59.0 63.4 57.5 57.0 Project Related Increase -1.2 -0.8 -0.4 -1.4 -0.6 0.2 0.0 0.1 Source: LSA Associates, Inc., 1999. project scenario. Under the future with project scenario, the widened bridge/roadway would extend travel lanes to the north side of, or the westbound Poinsettia Lane in this area, there- fore moving some traffic away from these receptor locations on the south side of Poinsettia Lane. Table D indicates that, under the future with project scenario, traffic noise levels at these eight receptor locations would either decrease by as much as 1.4 dBA or increase by as much as 0.2 dBA from their corresponding no project levels. The decrease in traffic noise level would be due to traffic being moved northwards and would receive higher noise attenu- ation from the roadway southern edge and existing jersey barrier along the south side of the road. The increases at R6 (0.2 dBA) and R8 (0.1 dBA) are small and statistically negligi- ble. This range of noise level changes is considered small (less than 3 dBA) and less than significant. All eight receptor locations modeled would continue to experience traffic noise below the 67 dBA L^, standard established by Caltrans. Therefore, no significant project related traffic noise impacts would occur for these existing residences. Proposed residential uses in the Poinsettia Properties Specific Plan adjacent to Poinsettia Lane have identified free standing sound walls along their property boundary to mitigate future traffic noise from Poinsettia Lane. No significant traffic noise impact would occur to these proposed residences from the proposed bridge/roadway widening. No mitigation measure is required for the proposed project. 1 Soft site noise drop off rate of 4.5 dBA per doubling of distance was used. ll/5/99«» 15 I I I I I I I I I I I I I I I I I I I ISA Associates, Inc. 6.0 MITIGATION MEASURES 6.1 CONSTRUCTION Initial construction has the potential to create significant impacts at the homes located along Poinsettia Lane, and mitigation is warranted to reduce these impacts to the extent feasible. Applicable mitigation includes the following: • Construction shall be restricted to between the hours of 7:00 a.m. and 7:00 p.m. and not permitted on Sundays and federal holidays. • All construction equipment shall be equipped with working manufacturer specified muffler system. • Portable equipment shall be located as far as possible from the noise sensitive locations at the existing mobile home park. • Construction vehicle staging areas and equipment maintenance areas shall be lo- cated as far as possible from sensitive receptor locations at the existing mobile home park. As part of the contract specifications, the City of Carlsbad shall require the contractor to implement the following measures to further reduce noise during construction and pile driving activities: • Pre-drill each pile 15 feet prior to beginning the pile driving. • Utilize steel H-piles. • Utilize a vibratory hammer whenever possible, except for the last few feet. • Allow only for the last few feet of each pile to be driven in order to ensure that bearing capacity has been reached. • Notify the City Public Works Department and adjacent property owners five days prior to initiating nighttime noise activities. 6.2 OPERATIONS Implementation of the proposed project, i.e., widening the bridge on Poinsettia Lane, would not attract new traffic trips to the project area, but would affect traffic noise along Poinsettia Lane due to proposed bridge/roadway configuration changes. Traffic noise at the receptor locations modeled would either increase or decrease slightly from their corresponding no project levels. The changes would be small, and less than two dBA. There would be no project related significant traffic noise impacts. No mitigation measures are required for long-term operation of the proposed project. 1 l/5/99«P:\DEC832\Noise\dec832.nse.wpd» 16 W ISA Associates, Inc. 7.0 REFERENCES Caltrans, Sound32 Noise Prediction Model, Release 07/30/9 1 —Caltrans, Traffic Noise Analysis Protocol, October, 1998 • Carlsbad, City of, General Plan Noise Element and Municipal Code. Harris, Cyril, Handbook of Noise Control, 1 99 1 ™ U. S. Environmental Protection Act. 1971. Bolt, Beranek, and Newman. Noise From Construction Equipment and Operations, Building Equipment, and Home Appliances, • December 31, 1971. I I I I I I I I I I I 1 l/5/99«P:\DEC832\Noise\dec832.nse.wpd» 1 7 I ISA Associates, Inc. ATTACHMENT A I I I I I I I I I I I I I I I I I SOUND32 NOISE MODELING OF FUTURE NO BUILD ALTERNATIVE ll/5/99«P:\DEC832\Noise\dec832.nse.wpd» I I I I I I I I I I I I I I I I I I I Poinsettia Lane Bridge Widening T-Poinsettia Road Peak Hour, 1 837 , 45 , 46 , 40 , 27 , 35 T-Poinsettia Road Peak Hour, 2 837 , 45 , 46 , 40 , 27 , 35 L-Eastbound Poinsettia Road, 1 Y,174400.,65,61.5, Y,174500.,69,62.3, Y,174600.,68,63, Y,174700.,70,65.8, Y,174800.,74,71.5, Y,174900.,75,75.6, Y,175000.,73,77.1, Y,175100.,75,76.3, Y,175200.,77,74.1, Y,175300.,78,69.2, Y,175400.,76,62.3, Y,175500.,76,57.2, Y,175600.,77,54.4, Y,175700.,75,55.4, Y,175800.,74,58.8, L-Poinsettia Road Westbound, 2 Y,175800.,122,59, Y,175700.,119,55.8, Y,175600.,117,54.5, Y,175500.,115,57.4, Y,175400.,109,62.5, Y,175300.,98,69.3, Y,175200.,92,74.5, Y,175100.,91,76.3, Y,175000.,91,77.1, Y,174900.,92,75.6, Y,174800.,101,71.8, Y,174700.,115,65.9, Y,174600.,119,62.8, Y,174500.,120,61.9, Y,174400.,123,61.6, B-Eastbound Road Edge, 1,1,0,0 174440.,57,61.7,61.7,edge 174500.,55,62.1,62.1, 174600.,54,62.8,62.8, 174700.,55,65.6,65.6, 174800.,62,71.3,71.3, 174900.,67,75.5,75.5, B-Eastbound Jersey Wall, 2,3,0,0 174900.,67,75.5,78,jersey 174960.,60,76.6,79.1, 175000.,61,77.2,79.7, 175100.,61,76.3,78.8, 175140.,61,75.3,77.8, B-Eastbound Edge Barrier, 3,3,0,0 175140.,61,75.3,80.8,5.5'wall 175200.,68,73.9,79.4, 175300.,62,68.6,74.1, 175400.,55,61.5,67, 175500.,54,56.4,61.9, 175600.,54,54.4,59.9, 175700.,55,54.6,60.1, 175800.,54,58,63.5, B-Walls around mobile homes, 4,2,0,0 I I I I I I I I I I I I I I I I I I I 175152.,12,51.1,57.1,wall 175175.,-130,50.9,56.9, 175265.,-130,51.8,57.8, 175245.,12,51.6,57.6, 175152.,12,51.1,57.1, B-Mobile homes, 5,1,0,0 175265.,5,51.8,61.8,homes 175260.,-53,51.6,61.6, 175645.,-55,51.5,61.5, 175650.,2,51,61, 175265.,5,51.8,61.8, B-Mobile homes, 6,1,0,0 175295.,-100,51.1,61,homes 175300.,-153,50,60, 175670.,-162,50,60, 175665.,-106,50,60, 175295.,-100,51.1,61, R, 1 , 67 ,20 175185,-12,57.5,R1 R, 2 , 67 ,20 175220,-41,57.7,R2 R, 3 , 67 ,20 175195,-85,57.1,R3 R, 4 , 67 ,20 175260,3,56.8,R4 R, 5 , 67 ,20 175275,-86,56.1,R5 R, 6 , 67 ,20 175655,3,56.0,R6 R, 7 , 67 ,20 175660,-90,55.0,R7 R, 8 , 67 ,20 175340,-200,55.,R8 D, 4.5 ALL,ALL C,C I I I I I I I I I I I I I I I I I I I SOUND32 - RELEASE 07/30/91 TITLE: Poinsettia Lane Bridge Widening EFFECTIVENESS / COST RATIOS BAR ELE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 1 BAR ELE 1 2 3 4 5 012345 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 012345 BARRIER DATA BARRIER HEIGHTS 012345 0.* 0.* 0.* 0.* 0.* 6 7 edge Bl P2 Bl P3 Bl P4 Bl P5 jersey B2 P2 B2 P3 B2 P4 5. 5 'wall B3 P2 B3 P3 B3 P4 B3 P5 B3 P6 B3 P7 wall B4 P2 B4 P3 B4 P4 homes B5 P2 B5 P3 B5 P4 homes B6 P2 B6 P3 B6 P4 6 7 BAR 6 7 ID edge Bl P2 Bl P3 Bl P4 Bl P5 LENGTH TYPE 60.0 BERM 100.0 BERM 100.0 BERM 100.4 BERM 100.2 BERM I I I I I I I I I I I I I I I I I I I 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 0 1 REC REG 1 Rl 2 R2 3 R3 4 R4 5 R5 6 R6 7 R7 8 R8 BARRIER BERM MASONRY 3.* 3.* 3.* 3.* 6.* 6.* 6.* 6.* 6.* 6.* 6.* 6.* 6.* 6.* 6.* 10.* 10.* 10.* 10.* 10.* 10.* 10.* 10.* 123456 ID DNL PEOPLE LEQ(CAL) 67. 20. 61.3 67. 20. 60.9 67. 20. 59.7 67. 20. 61.4 67. 20. 59.6 67. 20. 63.2 67. 20. 57.5 67. 20. 56.9 TYPE COST 67562. 24736. jersey B2 P2 B2 P3 B2 P4 5. 5 'wall B3 P2 B3 P3 B3 P4 B3 P5 B3 P6 B3 P7 wall B4 P2 B4 P3 B4 P4 homes B5 P2 B5 P3 B5 P4 homes B6 P2 B6 P3 B6 P4 7 60.4 40.0 100.0 40.0 60.4 100.3 100.5 100.1 100.0 100.0 100.1 143.9 90.0 143.4 93.0 58.2 385.0 57.2 385.0 53.2 370.1 56.2 370.0 MASONRYJERSEY MASONRYJERSEY MASONRYJERSEY MASONRYJERSEY MASONRYJERSEY MASONRYJERSEY MASONRYJERSEY MASONRYJERSEY MASONRYJERSEY MASONRYJERSEY MASONRYJERSEY MASONRY MASONRY MASONRY MASONRY BERM BERM BERM BERM BERM BERM BERM BERM MASONRY/ JERSEY 73345. CONCRETE 0. TOTAL COST = $ 166000. BARRIER HEIGHT INDEX FOR EACH BARRIER SECTION 1111111111111111 111 CORRESPONDING BARRIER HEIGHTS FOR EACH SECTION 0. 0. 0. 0. 0. 3. 3. 3. 3. 6. 6. 6. 6. 6. 6. 6. 10.10.10. 6. 6. 6. 6.10.10.10.10.10. I LSA Associates, Inc. I ATTACHMENT B I SOUND32 NOISE MODELING OF FUTURE BUILD ALTERNATIVES I I I I I I I I I I I I I I I I ll/5/99«P:\DEC832\Noise\dec832.nse.wpd» I I I I I I I I I I I I I I I I I I I Poinsettia Lane Bridge Widening T-Poinsettia Road Peak Hour, 1 837 , 45 , 46 , 40 , 27 , 35 T-Poinsettia Road Peak Hour, 2 837 , 45 , 46 , 40 , 27 , 35 L-Eastbound Poinsettia Road, 1 Y,174400.,72,61.6, Y,174500.,73,62.5, Y,174600.,73,64, Y,174700.,74,66.5, Y, 174800.,80,75.5, Y,174900.,84,75.5, Y,175000.,85,77.5, Y,175100.,85,77.5, Y,175200.,85,74.5, Y,175300.,81,69, Y,175400.,77,63, Y,175500.,74,57.5, Y,175600.,75,55, Y,175700.,75,56, Y,175800.,75,59.5, L-Poinsettia Road Westbound, 2 Y,175800.,130,59.5, Y,175700.,130,56, Y,175600.,130,55, Y,175500.,130,57.5, Y,175400.,125,63, Y,175300.,118,69, Y,175200.,114,74.5, Y,175100.,114,77.5, Y,175000.,114,77.8, Y,174900.,114,75.5, Y,174800.,114,71, Y,174700.,113,66.5, Y,174600.,113,64, Y,174500.,113,62.5, Y,174400.,113,61.6, B-Eastbound Road Edge, 1,1,0,0 174440.,57,61.7,61.7,edge 174500.,55,62.1,62.1, 174600.,54,62.8,62.8, 174700.,55,65.6,65.6, 174800.,62,71.3,71.3, 174900.,67,75.5,75.5, B-Eastbound Jersey Wall, 2,3,0,0 174900.,67,75.5,78,jersey 174960.,60,76.6,79.1, 175000.,61,77.2,79.7 , 175100.,61,76.3,78.8, 175140.,61,75.3,77.8, B-Eastbound Edge Barrier, 3,3,0,0 175140.,61,75.3,80.8,5.5'wall 175200.,68,73.9,79.4, 175300.,62,68.6,74.1, 175400.,55,61.5,67, 175500.,54,56.4,61.9, 175600.,54,54.4,59.9, 175700.,55,54.6,60.1, 175800.,54,58,63.5, B-Walls around mobile homes, 4,2,0,0 175152.,12,51.1,57.1,wall 175175.,-130,50.9,56.9, 175265.,-130,51.8,57.8, 175245.,12,51.6,57.6, 175152.,12,51.1,57.1, B-Mobile homes, 5,1,0,0 175265.,5,51.8,61.8,homes 175260.,-53,51.6,61.6, 175645.,-55,51.5,61.5, 175650.,2,51,61, 175265.,5,51.8,61.8, B-Mobile homes, 6,1,0,0 175295.,-100,51.1,61,homes 175300.,-153,50,60, 175670.,-162,50,60, 175665.,-106,50,60, 175295.,-100,51.1,61, R, 1 , 67 ,20 175185,-12,57.5,Rl R, 2 , 67 ,20 175220,-41,57.7,R2 R, 3 , 67 ,20 175195,-85,57.1,R3 R, 4 , 67 ,20 175260,3,56.8,R4 R, 5 , 67 ,20 175275,-86,56.1,R5 R, 6 , 67 ,20 175655,3,56.0,R6 R, 7 , 67 ,20 175660,-90,55.0,R7 R, 8 , 67 ,20 175340,-200,55.,R8 D, 4.5 ALL,ALL C,C I I I I I I I I I I I I I I I I I I I SOUND32 - RELEASE 07/30/91 TITLE: Poinsettia Lane Bridge Widening EFFECTIVENESS / COST RATIOS *************************** BAR ELE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 1 BAR ELE I 2 3 4 5 0123456 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0.* 0123456 BARRIER DATA ************ BARRIER HEIGHTS 0123456 0.* 0.* 0.* 0.* 0.* 7 edge Bl P2 Bl P3 Bl P4 Bl P5 jersey B2 P2 B2 P3 B2 P4 5. 5 'wall B3 P2 B3 P3 B3 P4 B3 P5 B3 P6 B3 P7 wall B4 P2 B4 P3 B4 P4 homes B5 P2 B5 P3 B5 P4 homes B6 P2 B6 P3 B6 P4 7 BAR 7 ID edge Bl P2 Bl P3 Bl P4 Bl P5 LENGTH TYPE 60.0 BERM 100.0 BERM 100.0 BERM 100.4 BERM 100.2 BERM I I I I I I I I I I I I I I I I I I I 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 0 1 REC REC 1 Rl 2 R2 3 R3 4 R4 5 R5 6 R6 7 R7 8 R8 BARRIER BERM MASONRY 3.* 3.* 3.* 3.* 6.* 6.* 6.* 6.* 6.* 6.* 6.* 6.* 6.* 6.* 6.* 10.* 10.* 10.* 10.* 10.* 10.* 10.* 10.* 123456 ID DNL PEOPLE LEQ(CAL) 67. 20. 60.1 67. 20. 60.1 67. 20. 59.3 67. 20. 60.0 67. 20. 59.0 67. 20. 63.4 67. 20. 57.5 67. 20. 57.0 TYPE COST 67562. 24736. jersey B2 P2 B2 P3 B2 P4 5. 5 'wall B3 P2 B3 P3 B3 P4 B3 P5 B3 P6 B3 P7 wall B4 P2 B4 P3 B4 P4 homes B5 P2 B5 P3 B5 P4 homes B6 P2 B6 P3 B6 P4 7 60.4 40.0 100.0 40.0 60.4 100.3 100.5 100.1 100.0 100.0 100.1 143.9 90.0 143.4 93.0 58.2 385.0 57.2 385.0 53.2 370.1 56.2 370.0 MASONRYJERSEY MASONRYJERSEY MASONRYJERSEY MASONRYJERSEY MASONRYJERSEY MASONRYJERSEY MASONRYJERSEY MASONRYJERSEY MASONRYJERSEY MASONRYJERSEY MASONRYJERSEY MASONRY MASONRY MASONRY MASONRY BERM BERM BERM BERM BERM BERM BERM BERM MASONRY/ JERSEY 73345. CONCRETE 0. TOTAL COST = $ 166000. BARRIER HEIGHT INDEX FOR EACH BARRIER SECTION 1111111111111111111111111 111 CORRESPONDING BARRIER HEIGHTS FOR EACH SECTION 0. 0. 0. 0. 0. 3. 3. 3. 3. 6. 6. 6. 6. 6. 6. 6. 6. 6. 6. 6.10.10.10.10.10. 10.10.10. LSA Associates, Inc. ATTACHMENT C FHWA HIGHWAY TRAFFIC NOISE PREDICTION MODEL OUTPUTS ll/5/99«P:\DEC832\Noise\dec832.nse.wpd» I I I 1 I I I I I I I I I I I I I I I TABLE DECS30 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 6/3/99 ROADWAY SEGMENT: POINSETTIA LANE CARLSBAD TO ENCINAS NOTES: FUTURE TRAFFIC VOLUME * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 12100 SPEED (MPH): 40 GRADE: 1.5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 18 SITE CHARACTERISTICS: SOFT * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 65.37 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL 0.0 71.7 150.5 322.3 AGRA ENGINEERING GLOBAL SOLUTIONS AGRA Earth & Environmental, Inc. 16760 W. Bernardo Dr. San Diego, CA 92127 Tel (619)487-2113 Fax (619) 487-2357 PHASE I ENVIRONMENTAL SITE ASSESSMENT POINSETTIA LANE OVERHEAD WIDENING AT SAN DIEGO NORTHERN RAILROAD CARLSBAD, CALIFORNIA Submitted To: DOKKEN ENGINEERING 3914 MURPHY CANYON ROAD SUITE A-153 SAN DIEGO, CALIFORNIA 92123 Submitted By: AGRA EARTH & ENVIRONMENTAL 16760 WEST BERNARDO DRIVE SAN DIEGO, CALIFORNIA 92127 June 15, 1999 Job No. 9-252-102500 I Recycled Paper I I I I I I I I I I I I I I I I I I I AG R A AGRA Earth & ENGINEERING GLOBAL SOLUTIONS Environmental, Inc. 16760 W. Bernardo Dr. San Diego, CA 92127 Tel (619)487-2113 Fax (619) 487-2357 June 15, 1999 Job No. 9-252-102500 Dokken Engineering 3914 Murphy Canyon Road, Suite A-153 San Diego, California 92123 Attention: Mr. Kirk Bradbury Re: POINSETTIA LANE OVERHEAD WIDENING ENVIRONMENTAL SITE ASSESSMENT This letter transmits the Environmental Site Assessment Report AGRA Earth & Environmental prepared for the Poinsettia Lane Overhead Widening at the San Diego Northern Railroad tracks in Carlsbad, California. No evidence for hazardous materials was found during a surface reconnaissance and governmental records search. The closest reported leaking underground storage tank is sited more than % mile away, and there is no indication that the leak affected local groundwater. Consequently, the potential that hazardous materials may have migrated beneath the property from off-site sources is very slight. More detailed information is contained in the attached report. If you have any questions concerning this report, or need additional information, please call me at (858) 487-2113. Yours truly, AGRA Earth & Environmental James J. Stone, RGE 808 Principal Engineer I Recycled Paper I I I I I I I I I Dokken Engineering Poinsettia Lane Overhead Widening Environmental Site Assessment June 15, 1999 Job No. 9-252-102500 Page (i) TABLE OF CONTENTS 1.0 INTRODUCTION 1 2.0 SITE DESCRIPTION 2 3.0 PHYSICAL ENVIRONMENT 2 3.1 GEOLOGY 2 3.2 SUBSURFACE CONDITIONS 2 3.3 HYDROGEOLOGY 3 4.0 RESULTS OF RESEARCH 3 4.1 SITE HISTORY 3 4.2 SITE RECONNAISSANCE 3 4.3 ADJOINING LAND USE 3 4.4 REGULATORY DATABASE REVIEW 4 I I I I I I 5.0 CONCLUSIONS 6.0 CLOSURE 4 4 APPENDIX APPENDIX A ........................ .................. Database Search Results AGRA ENGINEERING GLOBAL SOLUTIONS Recycled Paper I I I I I I I I I I I I I I I I I I I Dokken Engineering June 15,1999 Poinsettia Lane Overhead Widening Job No. 9-252-102500 Environmental Site Assessment Page (1) 1.0 INTRODUCTION The purpose of this study was to evaluate the subject site and vicinity with regard to the potential presence of environmentally hazardous substances. The scope of work for this study consisted of gathering readily available information which could provide a basis for the assessment of the site and included: • Site reconnaissance and documenting observable indications of environmental concerns; • Reconnaissance of the area immediately surrounding the site, evaluating land use and the resultant potential for adverse environmental effects at the subject property; • Review of available local geologic maps. • Review of regulatory agency database lists, reports and files which include reported environmental concerns in the vicinity of the subject site. Specific lists and databases reviewed are listed in a report prepared by VISTA Information Solutions, Inc. (VISTA), the summary portion of which is included in Appendix A; • A review of topographic and historic maps and plans indicating past use of the site and vicinity, including businesses, activities or conditions which possibly could compromise the environmental integrity of the property. Aerial photographs covering several prior years have been ordered. If examination of these photographs indicates conditions differentthan those that exist currently, or a prior use not apparent from the database search, an amendment to this report will be prepared; • Preparation of this report summarizing the findings and conclusions of the research and reconnaissance performed. Environmental impairment of property resulting from activities such as illicit or unreported dumping or spilling of hazardous materials may not be readily apparent. The opinions and conclusions presented in this report are based on information readily available at the time of assessment. Subsurface exploration and collection of quantitative information, such as analyses of soil or water samples, was beyond the scope of this assessment. The Phase I assessment does not address the ASTM Phase I non-scope issues of radon, lead-based paint, asbestos surveying, lead in drinking water or wetlands. AGRA ENGINEERING GLOBAL SOLUTIONS I Recycled Paper I I I I I I I I I I I I I I I I I I I Dokken Engineering June 15, 1999 Poinsettia Lane Overhead Widening Job No. 9-252-102500 Environmental Site Assessment Page (2) 2.0 SITE DESCRIPTION The Poinsettia Lane Overhead spans the San Diego Northern Railroad right-of-way between deep abutment fills on both the east and west ends. The fills were placed initially to accommodate future widening and extend beyond the current traveled way. Existing fill slopes range from about 1:1->2 (vertical:horizontal) to 1:1 where the slopes are paved in front of the abutments. Minor amounts of fill have been placed along the railroad tracks. Surface vegetation consists of sparse grass and weeds. 3.0 PHYSICAL ENVIRONMENT 3.1 GEOLOGY The general area where the Overhead is located is underlain by terrace deposits over Santiago Formation. AGRA performed a structure foundation investigation forthe Overhead widening and presented the results in a report dated May 25, 1999. The investigation included exploring subsurface conditions by drilling 4 test borings. Detailed descriptions of the fill and natural materials underlying the area are contained in the following section. 3.2 SUBSURFACE CONDITIONS The existing overhead configuration was achieved by placing about 22 to 35 feet of fill at the abutments. Between 2 and 4 feet of fill were placed along the railroad tracks, probably part of the original railroad construction. The fill at the abutments is underlain by terrace deposits which in turn are underlain by Santiago Formation. The terrace deposits extend to depths of 37 to 44 feet. The Santiago Formation continues to the maximum depth explored, 66.3 feet. A 5-foot-thick layer of colluvium overlies the terrace deposits at the location of one of the borings along the railroad tracks. The top of the terrace depots was encountered at depths of 4 to 7 feet along the railroad tracks. The top of the Santiago Formation at bent locations is at depths of 25 to 31 feet below the ground surface. The fill consists of silty sand. The terrace deposits are composed of medium dense to dense clayey and silty sandstones and sandy claystones. The underlying Santiago Formation consists of a very dense or hard silty sandstone and clayey siltstone. AGRA ENGINEERING GLOBAL SOLUTIONS \ Recycled Paper I I I I I I I I I I I I I I I I I I I Dokken Engineering June 15, 1999 Poinsettia Lane Overhead Widening Job No. 9-252-102500 Environmental Site Assessment Page (3) 3.3 HYDROGEOLOGY Groundwater was encountered at depths of about 18 to more than 50 feet below the ground surface, corresponding to an elevation as high as about 30 feet above sea level. Groundwater levels can rise following periods of rainfall and during the wet season. According to research reported as part of the State Leaking Underground Storage Tank (LUST) assessment of the area, the groundwater in the area is of no beneficial use. 4.0 RESULTS OF RESEARCH 4.1 SITE HISTORY The San Diego Northern Railroad tracks were constructed in the early 1900s. Plans reviewed for portions of the alignment near Del Mar for a previous project indicate that the tracks were in-place at approximately their present location before 1915. No significant changes in site conditions are known to have occurred until grading associated with construction of the Overhead. Available plans indicate that the existing structure was constructed in the early- to mid-eighties. 4.2 SITE RECONNAISSANCE The Poinsettia Lane Overhead spans the San Diego Northern Railroad right-of-way between deep abutment fills on both the east and west ends. The fills were placed initially to accommodate future widening and extend beyond the current traveled way. Existing fill slopes range from about 1:1 -1/2 (vertical:horizontal) to 1:1 where the slopes are paved in front of the abutments. Minor amounts of fill have been placed along the railroad tracks. Surface vegetation consists of sparse grass and weeds. 4.3 ADJOINING LAND USE The properties in the general area of the Overhead are used mainly for residential and recreational purposes. No industries considered significant generators of hazardous materials are located nearby. One photograph developing business considered a small generator of hazardous waste is located within % mile of the site. It is very unlikely that any waste generated at that location would have an impact on the Overhead location. AGRA ENGINEERING GLOBAL SOLUTIONS | Recycled Paper I I I I I I I I I I I I I I I I I I I Dokken Engineering Poinsettia Lane Overhead Widening Environmental Site Assessment June 15, 1999 Job No. 9-252-102500 Page (4) 4.4 REGULATORY DATABASE REVIEW The database search performed by VISTA Information Solutions (VISTA) searched Federal, State and local databases and lists for sites where hazardous materials are generated, stored or have been released into the environment. The search disclosed only a few listed sites within one mile of the Overhead. The subject site itself was not listed with any of the environmental regulatory agencies researched. Details of the research procedures, as well as maps indicating the areas searched relative to the site, are provided in the VISTA report in Appendix A. 5.0 CONCLUSIONS Based on reconnaissance of the subject site and surrounding areas, review of historical and regulatory data, and conversations with individuals familiar with the property and nearby businesses, it is concluded that the likelihood of hazardous materials on-site, or along the railroad tracks near the Overhead, is very small. No significant potential sources of hazardous materials are located in the vicinity, and ground water conditions and the distance to identified leaking underground storage tanks make migration through groundwater movement extremely unlikely. 6.0 CLOSURE This report is based on the information obtained from site reconnaissance and research of readily available records and databases. This report has been prepared solely for the use of Dokken Engineering and the City of Carlsbad for evaluation of the potential presence of hazardous materials on the subject property. It may not contain sufficient information for other parties or other purposes. It has been prepared in accordance with generally recognized environmental consulting practices in the San Diego County, California area and makes no other warranties, either express or implied, as to the conclusions or data included. Respectfully submitted, AGRA Earth & Environmental imes J. Stone, RGE 808 'Principal Engineer JS/jjs Distribution: (6) AddreSSee 9Z52102500/c:\P«nsettiaLane£nw-ronmental Report AGRA ENGINEERING GLOBAL SOLUTIONS Recycled Paper APPENDIX A Report SITE ASSESSMENT REPORT (ALL DATABASES SEARCHED TO 1 MILE) PROPERTY INFORMATION Project Name/Ref #: Not Provided Carlsbad, CA 92008 Latitude/Longitude: ( 33.102634, 117.315246 ) CLIENT INFORMATION AGRA Earth Environmenta AGRA EarthEnvironmental-San D 16760 West Bernardo Dr. SanDieqo, CA92127 She Distribution Summary Agency / Database - Type of Records A) Databases searched to 1 mile: US EPA NPL National Priority List US EPA CORRACTS RCRA Corrective Actions and associated TSD (TSD) STATE SPL State equivalent priority list B) Databases searched to 1 mile: STATE SCL State equivalent CERCLIS list US EPA CERCLIS / Sites currently or formerly under review by US EPA NFRAP US EPA TSD RCRA permitted treatment, storage, disposal facilities STATE LUST Leaking Underground Storage Tanks STATE SWLF Permitted as solid waste landfills, incinerators, or transfer stations C) Databases searched to 1 mile: STATE UST Registered underground storage tanks STATE AST Registered aboveground storage tanks D) Databases searched to 1 mile: US EPA ERNS Emergency Response Notification System of spills US EPA LG GEN RCRA registered large generators of hazardous waste US EPA SM GEN RCRA registered small generators of hazardous waste STATE SPILLS State spills list within 1/8 mile 0 0 0 0 0 0 0 0 0 0 0 0 \ 0 1/8 to 1/4 mile 0 0 0 0 0 0 0 0 0 0 0 0 0 0 W to 1/2 mile 0 0 0 0 0 0 2 0 5 0 0 0 1 0 112 to 1mile 0 0 0 0 0 0 1 0 2 0 0 0 1 0 For more information call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403. Report ID: 595501901 Version 2.6.1 Date of Report: June 7,1999 Pagefl This report meets the ASTM standard E-1527 for standard federal and state government database research in a Phase I environmental site assessment. A (-) indicates a distance not searched because it exceeds these ASTM search parameters. LIMITATION OF LIABILTTY Customer proceeds at its own risk in choosing to rely on VISTA services, in whole or in part, prior to proceeding with any transaction. VISTA cannot be an insurer of the accuracy of the information, errors occurring hi conversion of data, or for customer's use of data. VISTA and its affiliated companies, officers, agents, employees and independent contractors cannot be held liable for accuracy, storage, delivery, loss or expense suffered by customer resulting directly or indirectly from any information provided by VISTA. NOTES For more information call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403. Report ID: 595501901 Version 2.6.1 Date of Report: June 7,1999 Page/2 SITE ASSESSMENT REPORT (ALL DATABASES SEARCHED TO 1 MILE) Map of Sites within 1 Mile Subject Site Category: Databases Searched to: Single Sites Multiple Sites Highways and Major Roads Roads Railroads Rivers or Water Bodies Utilities NPL, SPL, CORRACTS (TSD) CERCLIS\ NFRAP, TSD, LUST, SWLF, SCL A A UST o O ERNS, GENERATORS For More Information Call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403 Report ID: 595501901 Date of Report: June 7,1999 Page #3 SITE ASSESSMENT REPORT (ALL DATABASES SEARCHED TO 1 MILE) Map of Sites within 1/4 Mile Subject Site Category: Databases Searched to: Single Sites Multiple Sites A 1 mi. B 1/2 mi. D c 1/4 mi. A Highways and Major Roads Roads Railroads Rivers or Water Bodies Utilities NPL, SPL, CORRACTS (TSD) CERCLISV NFRAP, TSD, LUST, SWLF, SCL UST D 1/8 mi. o O ERNS, GENERATORS For More Information Call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403 Report ID: 595501901 Date of Report: June 7,1999 Page #4 SITE ASSESSMENT REPORT (ALL DATABASES SEARCHED TO 1 MILE) Sites Represented as Radius Buffers These radii are estimated from agency records or detailed street maps. The radii may be based on the furthest boundary of each property or study area from its center. For more information contact the agency referenced by source number in the site listing. Subject Site Highways and Major Roads Roads Railroads Rivers or Water Bodies Utilities For More Information Call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403 Report ID: 595501901 Date of Report: June 7,1999 Page #5 SITE ASSESSMENT REPORT (ALL DATABASES SEARCHED TO 1 MILE) Street Map Subject Site Highways and Major Roads Roads Railroads Rivers or Water Bodies Utilities For More Information Call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403 Report ID: 595501901 Date of Report: June 7,1999 Page #6 SITE ASSESSMENT REPORT (ALL DATABASES SEARCHED TO 1 MILE) SITE INVENTORY MAP ID 1 PROPERTY AND THE ADJACENT AREA (within 1/8 mile) VISTA ID DISTANCE DIRECTION HOUR PHOTO AN wwoe 7040 AVENIDA ENCINAS °'WMIE CARLSBAD, CA 92009 A a. G fc £ ^Of8 ft B t a. ~ §g §i C §s D i goa X </> s(/) MAP ID SITES IN THE SURROUNDING AREA (within 1/8 -1/4 mile) VIST A ID DISTANCE DIRECTION A g ^</) *2o u ft B o a. 2 2 ^ O ae S u. C =g D a: Ul z os gU)a (/>da. No Records Found MAP ID 2 2 2 2 2 2 SITES IN THE SURROUNDING AREA (within 1/4 -1/2 mile) VISTA ID DISTANCE DIRECTION CARLSBAD VOLVO 3976054 6830 AVENIDA ENCINAS aZ6MN CARLSBAD, CA 92009 CARLSBAD VOLVO ™>49os 6830 AVENIDA ENCINAS °'26M^ CARLSBAD, CA 92009 HOEHN HONDA 197360 6800 AVENIDA ENCINAS OJO ^ CARLSBAD, CA 92009 HOEHN HONDA 7004904 6800 AVENIDA ENCINAS OJO/^ CARLSBAD, CA 92009 HOEHN HONDA W788290 6800 AVENIDA ENCINAS OJO/^ CARLSBAD, CA 92009 HOEHN HONDA "«8^ 6800 AVENIDA ENCINAS OJ0^ CARLSBAD, CA 92009 A a. gj- I-,{2 Ift B g a. § 2 Ul g | X X u. C i X X X X g D I gu Ulo X _j ^ X = search criteria; • = tag-along (beyond search criteria). For more information call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403. Report ID: 595501901 Version 2.6.1 Date of Report: June 7,1999 Page i7 I I I I I I I I I I I I I I I I I I I MAP ID 3 SITES IN THE SURROUNDING AREA (within 1/4 -1/Z mile) VIST A ID DISTANCE DIRECTION RATAN RAM S W38485 7204PONTO 0'34M'S CARLSBAD, CA 92009 A Q. s t}£ ^OL8 si B si a. S z =i §§ii c h- 3 X I— < D iLU g o a ^j MAP ID 4 5 6 SITES IN THE SURROUNDING AREA (within 1/2 - 1 mile) VISTA ID DISTANCE DIRECTION LEUCADIA COUNTY WATER DISTRICT 5297263 2017 HY 101 a73*| ENCINITAS.CA 92024 THOMPSON ROSE CO INC wm 7440 BATIQUITOS DR OJ7Mle CARLSBAD, CA 92009 DENNIS FLOWERS 1587469 8000 POINSETTIA LANE END °-93M'£ CARLSBAD, CA 92008 A a.CORRACTS(TSD)a!co B £ i^ 1 o ai/>S_J X LL. S c i X X S D CO ttLU LGGENSMGENX c/> _ia.CO X = search criteria; • = tag-along (beyond search criteria). For more information call VISTA Information Solutions, Inc. at 1 -1 Report ID: 595501901 Version 2.6.1 1-767-0403. Date of Report: June 7,1999 Page #8 I I I I I I I I I I I I I I I I I I I UNMAPPED SITES VISTA ID SOUTH CARLSBAD STATE BEACH inasss HIGHWAY 101 CARLSBAD, CA 92008 CECIL J. HANNAN *™™ 2433 - 7 07TH ST ENCINITAS.CA 92024 H G FENTON W20B71 16251 BRANDY CANYON SAN DIEGO, CA 92073 USN-FLEET ASW TRAINING CENTER «>12201 HARBOR HARBOR OR SAN DIEGO, CA 92147 THE FIELDSTONE COMPANY RANCHO SAN DIEGO «*»*> VIA RANCHO SAN DIEGO SAN DIEGO, CA 92199 SOUTHLAND CORP 7499536 8355 OTAY MESA RD SAN DIEGO, CA MURRAY CANYON BURNSITE 5sm98 TB 53-D4 ADJ MURRAY RIDGE PK SAN DIEGO, CA SOUTH BAY LAND OUTFALL PHASE 1 6830853 ALIGNMENT ALONG MONUMENT RD TO PACIF SAN DIEGO, CA SAN DIEGO CONVENTION CENTER EXPANSIO OMSZB SAN DIEGO, CA BELL JR HIGH SLF/SWEETWATER II 6829882 SAN DIEGO, CA SAN DIEGO, CA 6B12668 SOLEDAD (SAN TMLR) 4047777 SOLEDAD MOUNTAIN MOUNTAIN SAN DIEGO, CA 92073 A a.CORRACTS(TSD)ft B $CERCLIS/NFRAPae 1| X X X X X c to X X X X X X § X D to 1 X 2o 2 UJop 3 9s X = search criteria; • = tag-along (beyond search criteria). For more information call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403. Report ID: 595501901 Version 2.6.1 Date of Report: June 7,1999 Page #9 SITE ASSESSMENT REPORT (ALL DATABASES SEARCHED TO 1 MILE) DETAILS PROPERTY AND THE ADJACENT AREA (within 1/8 mile) VISTA Address*: HOUR PHOTO AN 7040AVENIDAENCINAS CARLSBAD, CA 92009 *CRA-SmGen - RCRA-Small Generator / SRC# 5596 Agency Address: Generator Class: VISTA ID#: Distance/Direction: Plotted as: EPA ID: 4061006 0.10 Ml IE Point CAD983665282 AN HOUR PHOTO 7040AVENIDA ENCINAS UNIT 106 CARLSBAD, CA 92009 Generates 100 kgJmonth but less than 1000 kgJmonth ofnon-acutely hazardous waste Map ID 1 SITES IN THE SURROUNDING AREA (within 1/8 -1/4 mile) No Records Found SITES IN THE SURROUNDING AREA (within 1/4 -1/2 mile) VISTA Address': CARLSBAD VOLVO 6830 AVENIDA ENCINAS CARLSBAD, CA 92009 STATE UST - State Underground Storage Tank / SRC# 1612 Agency Address: Underground Tanks: Aboveground Tanks: Tanks Removed: Tank ID: 001 Tank Contents: PETROLEUM Tank Age: NOT REPORTED Tank Size (Units): '«» (GALLONS) RCRA-SmGen -RCRA-Small Generator / SRC# 5596 Agency Address: Generator Class: SAMEASABOVE 1 NOT REPORTED NOT REPORTED VISTA ID#: Distance/Direction: Plotted as: EPA/Agency ID: 3976054 0.26 Ml /N Point N/A Tank Status: ACTIVE/IN SERVICE Leak Monitoring: Agency code o Tank Piping: UNKNOWN Tank Material: OTHER DESCRIPTIONS EPA ID: |CAD981983323 CARLSBAD VOLVO 6830 AVENIDA ENCINAS CARLSBAD, CA 92008 Generates 100 kgJmonth but less than WOO kgJmonth ofnon-acutely hazardous waste Map ID 2 * VISTA address includes enhanced city and ZIP. For more information call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403. Report ID: 595501901 Date of Report: June 7,1999 Version 2.6.1 Page f 10 SITES IN THE SURROUNDING AREA (within 1/4 -1/2 mile) CONT. VISTA Address*: CARLSBAD VOLVO 6830AVENIDAENCINAS CARLSBAD, CA 92009 STATE UST - State Underground Storage Tank / SRC# 5835 Agency Address: Underground Tanks: Aboveground Tanks: Tanks Removed: Tank ID: ™ow Tank Contents: WASTE OIL Tank Age: 12 Tank Size (Units): ™oo (GALLONS) SAMEASABOVE 1 NOTREPORTED NOTREPORTED VISTA ID#: Distance/Direction: Plotted as: Agency ID: 7004905 0.26 Ml /N Point H20071 Tank Status: ACTIVE/IN SERVICE Leak Monitoring: NOT AVAILABLE Tank Piping: SUCTION Tank Material: DOUBLE WALLED OR SINGLE WALLED Map ID 2 VISTA Address*: HOEHN HONDA 6800AVENIDAENCINAS CARLSBAD, CA 92009 STATE UST - State Underground Storaqe Tank / SRCf 1612 Agency Address: Underground Tanks: Aboveground Tanks: Tanks Removed: Tank ID: rooiu Tank Contents: PETROLEUM Tank Age: NOTREPORTED Tank Size (Units): 1000 (GALLONS) SAMEASABOVE 1 NOT REPORTED NOTREPORTED VISTA ID#: Distance/Direction: Plotted as: EPA/Aqency ID: 197360 0.30 Ml /N Point N/A Tank Status: ACTIVE/IN SERVICE Leak Monitoring: Agency Code o Tank Piping: UNKNOWN Tank Material: FIBERGLASS Map ID 2 VISTA Address*: HOEHN HONDA 6800AVENIDAENCINAS CARLSBAD, CA 92009 STATE UST - State Underground Storage Tank / SRC* 5835 Agency Address: SAMEASABOVE Underground Tanks: ' Aboveground Tanks: NOTREPORTED Tanks Removed: NOTREPORTED VISTA ID#: Distance/Direction: Plotted as: Aqency ID: 7004904 0.30 Ml / N Point H19612 Tank ID: TOOIU Tank Status: CLOSED REMOVED Tank Contents: WASTE OIL Leak Monitoring: NOT AVAILABLE Tank Age: » Tank Piping: G/wwrr Tank Size (Units): woo (GALLONS) Tank Material: DOUBLE WALLED OR SINGLE WALLED Map ID 2 VISTA Address*: HOEHN HONDA 6800AVENIDAENCINAS CARLSBAD, CA 92009 STATE LUST - State Leaking Underground Storage Tank / SRC# 5671 VISTA ID#: Distance/Direction: Plotted as: EPA/Aqency ID: 10788290 0.30 Ml /N Point N/A Agency Address: HOEHN HONDA 3 ' 6800AVENIDAENCINAS CARLSBAD, CA 92018 Facility ID: w™oo Leak Date: 07/2208 Leak Report Date: 01/2208 Site Assessment Began: oanim Leak Detection Method: TANK CLOSURE Map ID 2 * VISTA address includes enhanced city and ZIP. For more information call VISTA Information Solutions, Inc. at 1 -1 Report ID: 595501901 Version 2.6.1 I-767-0403. Date of Report: June 7,1999 Page »'11 SITES IN THE SURROUNDING AREA (within 1/4 -1/2 mile) CONT. Leak Cause: Leak Source: Substance: Remediation Event: Remediation Status: Media Affected: Description / Comment: UNKNOWN UNKNOWN WASTE OIL LEAK STOPPED BY: CLOSE TANKLEAK STOP DATE: 07/22/98 PRELIMINARY SITE ASSESSMENT UNDERWAY SOIL ONLY PRIORITY: LOW POTENTIAL HEALTH/SAFETY/ENVIRONMENTAL IMPACT EXISTS AFTER INVESTIGBENEFICIAL: NO BENEFICIAL GROUNDWATER USELOCASENUM: H19612-001.BASINNUM:904.40,GWDEPTH:13' VISTA HOEHN HONDA Address*: 6800 AVENIDA ENCINAS CARLSBAD, CA 92009 VISTA ID#: 11498274 Distance/Direction: 0.30 Ml / N Plotted as: Point STATE LUST - State Leaking Underground Storage Tank / SRC* 5497 EPA/Agency ID: N/A Agency Address: Facility ID: Leak Report Date: Site Assessment Plan Submitted: Substance: Remediation Event: Remediation Status: Media Affected: Region / District: Description /Comment: Description / Comment: Description / Comment: HOEHN HONDA 6800 AVENIDA ENCINAS CARLSBAD, CA 92018 9UT3700 07/22/98 08/27/98 WASTE OIL EXCAVATE AND DISPOSE PRELIMINARY SITE ASSESSMENT WORKPLAN REQ SOIL ONLY SAN DIEGO REGION COUNTY: SAN DIEGO CROSS STREET: PALOMAR AIRPORT RD REVIEW DATE:09/28/98 Map ID 2 VISTA RATAN RAM S Address': 7204 PONTO CARLSBAD, CA 92009 STATE UST - State Underground Storage Tank / SRC# 1612 VISTA ID#: 4038485 Distance/Direction: 0.34 Ml / S Plotted as: Point EPA/Aqency ID: N/A Agency Address: SAME AS ABOVE Underground Tanks: 7 Aboveground Tanks: NOT REPORTED Tanks Removed: NOT REPORTED Tank ID: ™w Tank Contents: UNLEADED GAS Tank Age: NOT REPORTED Tank Size (Units): «*» (GALLONS) Tank ID: ™7U Tank Contents: UNKNOWN Tank Age: NOT REPORTED Tank Size (Units): NOT REPORTED (GALLONS) Tank ID: Tmu Tank Contents: UNKNOWN Tank Age: NOT REPORTED Tank Size (Units): NOT REPORTED (GALLONS) Tank Status: CLOSED REMOVED Leak Monitoring: Agency Code o Tank Piping: UNKNOWN Tank Material: OTHER DESCRIPTIONS Tank Status: CLOSED REMOVED Leak Monitoring: A^ncy Code 0 Tank Piping: UNKNOWN Tank Material: OTHER DESCRIPTIONS Tank Status: CLOSED REMOVED Leak Monitoring: Agency code o Tank Piping: UNKNOWN Tank Material: OTHER DESCRIPTIONS Map ID 3 * VISTA address includes enhanced city and ZIP. For more information call VISTA Information Solutions, Inc. at 1 • Report ID: 595501901 Version 2.6.1 800-767-0403. Date of Report: June 7,1999 Page112 SITES IN THE SURROUNDING AREA (within 1/4 -1/2 mile) CONT. Tank ID: Tank Contents: Tank Age: Tank Size (Units): Tank ID: Tank Contents: Tank Age: Tank Size (Units): Tank ID: Tank Contents: Tank Age: Tank Size (Units): Tank ID: Tank Contents: Tank Age: Tank Size (Units): T001U PETROLEUM NOT REPORTED NOT REPORTED (GALLONS) T001U PETROLEUM NOT REPORTED NOT REPORTED (GALLONS) now OTHER NOT REPORTED 3003 (GALLONS) T001U OTHER NOT REPORTED 8W1 (GALLONS) Tank Status: Leak Monitoring: Tank Piping: Tank Material: Tank Status: Leak Monitoring: Tank Piping: Tank Material: Tank Status: Leak Monitoring: Tank Piping: Tank Material: Tank Status: Leak Monitoring: Tank Piping: Tank Material: STATE UST - State Underground Storage Tank / SRC# 5835 | Agency Agency Address: Underground Tanks: Aboveground Tanks: Tanks Removed: Tank ID: Tank Contents: Tank Age: Tank Size (Units): Tank ID: Tank Contents: Tank Age: Tank Size (Units): Tank ID: Tank Contents: Tank Age: Tank Size (Units): Tank ID: Tank Contents: Tank Age: Tank Size (Units): Tank ID: Tank Contents: Tank Age: Tank Size (Units): Tank ID: Tank Contents: Tank Age: Tank Size (Units): T001U DIESEL NOT REPORTED 8W1 (GALLONS) T002U DIESEL NOT REPORTED 3003 (GALLONS) T003U WASTE OIL NOTREPORTED NOT REPORTED (GALLONS) T004U WASTE OIL NOTREPORTED NOTREPORTED (GALLONS) T005U OTHER NOTREPORTED NOTREPORTED (GALLONS) T006U OTHER NOTREPORTED NOTREPORTED (GALLONS) RATANRAMS 7204PONTODR CARLSBAD, CA 92009 7 NOTREPORTED NOTREPORTED Tank Status: Leak Monitoring: Tank Piping: Tank Material: Tank Status: Leak Monitoring: Tank Piping: Tank Material: Tank Status: Leak Monitoring: Tank Piping: Tank Material: Tank Status: Leak Monitoring: Tank Piping: Tank Material: Tank Status: Leak Monitoring: Tank Piping: Tank Material: Tank Status: Leak Monitoring: Tank Piping: Tank Material: CLOSED REMOVED Agency Code (') UNKNOWN OTHER DESCRIPTIONS CLOSED REMOVED Agency Code 0 UNKNOWN OTHER DESCRIPTIONS CLOSED REMOVED Agency Code 0 UNKNOWN OTHER DESCRIPTIONS CLOSED REMOVED Agency Code (') UNKNOWN OTHER DESCRIPTIONS ID: | HI 71 55 CLOSED REMOVED NOTAVAILABLE UNKNOWN UNKNOWN CLOSED REMOVED NOTAVAILABLE UNKNOWN UNKNOWN CLOSED REMOVED NOTAVAILABLE UNKNOWN UNKNOWN CLOSED REMOVED NOTAVAILABLE UNKNOWN UNKNOWN CLOSED REMOVED NOTAVAILABLE UNKNOWN UNKNOWN CLOSED REMOVED NOTAVAILABLE UNKNOWN UNKNOWN * VISTA address includes enhanced city and ZIP. For more information call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403. Report ID: 595501901 Date of Report: June 7,1999 Version 2.6.1 Page/13 SITES IN THE SURROUNDING AREA (within 1/4 -1/2 mile) CONT. Tank ID: Tank Contents: Tank Age: Tank Size (Units): T007U UNLEADED GAS NOT REPORTED 8000 (GALLONS) Tank Status: Leak Monitoring: Tank Piping: Tank Material: CLOSED REMOVED NOTAVAILABLE UNKNOWN DOUBLE WALLED OR SINGLE WALLED SITES IN THE SURROUNDING AREA (within 1/2 -1 mile) VISTA Address*: LEUCADIA COUNTY WATER 2017 HY 101 ENCINITAS, CA 92024 DISTRICT STATE UST - State Underground Storage Tank / SRC# 5835 Agency Address: Underground Tanks: Aboveground Tanks: Tanks Removed: Tank ID: now Tank Contents: DIESEL Tank Age: NOT REPORTED Tank Size (Units): a» (GALLONS) VISTA ID#: Distance/Direction: Plotted as: Agency ID: 5297263 0.73 Ml /MA Radius H32324 SAMEASABOVE 1 NOT REPORTED NOT REPORTED Tank Status: CLOSED REMOVED Leak Monitoring: NOTAVAILABLE Tank Piping: UNKNOWN Tank Material: DOUBLE WALLED OR SINGLE WALLED Map ID 4 VISTA Address*: THOMPSON ROSE CO INC 7440 BATIQUITOS DR CARLSBAD, CA 92009 RCRA-SmGen - RCRA-Small Generator / SRC# 5596 VISTA ID#: Distance/Direction: Plotted as: EPA ID: 423226 0.77 Ml / E Point CAD982368854 Agencv Address- THOMPSON ROSE COMPANY INC 3 J ' 7440BATIQUITOSDR. CARLSBAD. CA 92008 Generator Class: Generates WO kgJmonth but less than WOO kg./month of non-acutety hazardous waste Map ID 5 VISTA DENNIS FLOWERS Address': 8000 POINSETTIA LANE END CARLSBAD, CA 92008 STATE UST - State Underground Storage Tank / SRC# 1612 Agency Address: Underground Tanks: Aboveground Tanks: Tanks Removed: Tank ID: now Tank Contents: OTHER Tank Age: NOT REPORTED Tank Size (Units): «*»» (GALLONS) SAMEASABOVE 1 NOT REPORTED NOT REPORTED VISTA ID#: 1587469 Distance/Direction: 0.93 Ml / E Plotted as: Point EPA/Agency ID: N/A Tank Status: CLOSED REMOVED Leak Monitoring: Agency Code o Tank Piping: UNKNOWN Tank Material: OTHER DESCRIPTIONS STATE LUST - State Leakinq Underground Storage Tank / SRC# 5497 | EPA/Agency ID: I N/A Agency Address: Facility ID: Leak Report Date: Site Assessment Plan Submitted: Contamination Confirmed Date: Case Closed Date: DENNIS FLOWERS 8000 POINSETTIA LN CARLSBAD, CA 92007 9UT17B4 07/25/90 08/09/90 07/25/90 05/11/93 Map ID 6 * VISTA address includes enhanced city and ZIP. For more information call VISTA Information Solutions, Inc. at 1 • Report ID: 595501901 Version 2.6.1 800-767-0403. Date of Report: June 7,1999 Page #74 I I I I I I I I I I I I I I I I I I I SITES IN THE SURROUNDING AREA (within 1/2 -1 mile) CONT. Substance:DIESEL Remediation Status:CASE CLOSED Media Affected:SOIL ONLY Region / District:SAN DIEGO REGION Description / Comment:COUNTY: SAN DIEGO Description / Comment:REVIEW DATE:11/30/93 STATE LUST - State Leaking Underground Storage Tank / SRC* 5671 Agency Address: Facility ID: Leak Date: DENNIS FLOWERS 8000POINSETT1ALN CARLSBAD. CA 92007 9UT1764 07/12/90 | EPA/Agency ID:IN/A Leak Report Date:07/25/90 Contamination Confirmed Date:07/25/90 Case Closed Date:05/77/93 Leak Detection Method:OTHER MEANS Leak Cause: Leak Source: UNKNOWN UNKNOWN Substance:DIESEL Remediation Event:LEAK STOPPED BY: OTHER MEANSLEAK STOP DA TE: 07H2/90ENFORCEMENT: NONE TAKEN Remediation Status:CASE CLOSED Media Affected:SOIL ONLY Description / Comment:PRIORITY: LOWLOCASENUM: H99083-001,BASINNUM:904.51,GWDEPTH: STATE UST - State Underground Storage Tank / SRC* 5835 Agency Address: Underground Tanks: Aboveground Tanks: Tanks Removed: DENNIS FLOWERS 8000 POINSETTIA LN END CARLSBAD, CA 92008 1 NOT REPORTED NOTREPORTED | Agency ID:H99083 Tank ID: Tank Contents: Tank Age: Tank Size (Units): 70070 DIESEL NOTREPORTED 70000 (GALLONS) Tank Status: Leak Monitoring: Tank Piping: Tank Material: CLOSED REMOVED NOT AVAILABLE UNKNOWN UNKNOWN ' VISTA address includes enhanced city and ZIP. For more information call VISTA Information Solutions, Inc. at 1 - 800 • Report ID: 595501901 Version 2.6.1 767-0403. Date of Report: June 7,1999 Page f 15 I I I I I I I I I I I I I I I I I I I UNMAPPED SITES VISTA THE FIELDSTONE COMPANY Address* VIA RANCHO SAN DIEGO SAN DIEGO, CA 92199 RANCHO SAN DIEGO STATE SWLF - Solid Waste Landfill / SRC# 5689 Agency Address: Facility Type: Facility Status: Permit Status: VISTA ID#: Agency ID: 124449 37-CR-0101 NCCOSC SAN DIEGO NCCOSC SAN DIEGO SAN DIEGO, C A SOLID WASTE DISPOSAL FACILITY CLOSURE PENDING UNDER REVIEW VISTA Address*: MURRAY CANYON BURNSITE TB 53-D4 ADJ MURRAY RIDGE SAN DIEGO, CA PK STATE SWLF - Solid Waste Landfill / SRC# 5689 Agency Address: Facility Type: Facility Status: Permit Status: VISTA ID#: Agency ID: 5813398 37-CR-0051 SAMEASABOVE SOLID WASTE DISPOSAL FACILITY CLOSED OTHER VISTA Address*: SOUTH BAY LAND OUTFALL PHASE 1 ALIGNMENT ALONG MONUMENT RD TO PACIF SAN DIEGO, CA STATE SWLF - Solid Waste Landfill / SRC# 5689 VISTA ID#: Agency ID: 6830853 37-AA-0914 Agency Address: SAMEASABOVE Facility Type: TREATMENT PROCESSING Facility Status: PROPOSED Permit Status: PROPOSED/PLANNED VISTA SAN DIEGO CONVENTION Address*: SAN DIEGO, CA CENTER EXPANSIO STATE SWLF - Solid Waste Landfill / SRC# 5689 Agency Address: Facility Type: Facility Status: Permit Status: VISTA ID#: Agency ID: 6830526 37-CR-0098 SAMEASABOVE SOLID WASTE DISPOSAL FACILITY OTHER UNDER REVIEW VISTA BELL JR HIGH SLF/SWEETWATER II Address*: $AN DIEGO, CA STATE SWLF - Solid Waste Landfill / SRC# 5689 Agency Address: Facility Type: Facility Status: Permit Status: VISTA ID#: Agency ID: 6829882 37-CR-0088 SAMEASABOVE SOLID WASTE DISPOSAL FACILITY OTHER UNDER REVIEW * VISTA address includes enhanced city and ZIP. For more information call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403. Report ID: 595501901 Date of Report: June 7,1999 Version 2.6.1 Page #76 I I I I I I I I I I I I I I I I I I I SITE ASSESSMENT REPORT (ALL DATABASES SEARCHED TO 1 MILE) DESCRIPTION OF DATABASES SEARCHED A) DATABASES SEARCHED T01 MILE NPL VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5789 The agency release date for NPL was April, 1999. The National Priorities List (NPL) is the EPA's database of uncontrolled or abandoned hazardous waste sites identified for priority remedial actions under the Superfund program. A site must meet or surpass a predetermined hazard ranking system score, be chosen as a state's top priority site, or meet three specific criteria set jointly by the US Dept of Health and Human Services and the US EPA in order to become an NPL site. SPL VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5455 The agency release date for Calsites Database: Annual Workplan Sites was October, 1998. The CalSites database contains information on properties (or "sites") in California where hazardous substances have been released, or where the potential for such a release exists. This database is used primarily by the Department of Toxic Substances Control to evaluate and track activities at sites that may have been affected by the release of hazardous substances. Also see SPUSCL: Annual Work Plan (AWP) sites are classified as SPL and all the other sites are classified as SCL. CORRACTS VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5596 The agency release date for HWDMS/RCRIS was February, 1999. The EPA maintains this database of RCRA facilities which are undergoing "corrective action". A "corrective action order" is issued pursuant to RCRA Section 3008 (h) when there has been a release of hazardous waste or constituents into the environment from a RCRA facility. Corrective actions may be required beyond the facility's boundary and can be required regardless of when the release occurred, even if it predates RCRA. B) DATABASES SEARCHED TO 1 MILE CERCLIS VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5790 The agency release date for CERCLIS was March, 1999. The CERCLIS List contains sites which are either proposed to or on the National Priorities List(NPL) and sites which are in the screening and assessment phase for possible inclusion on the NPL. The information on each site includes a history of all pre-remedial, remedial, removal and community relations activiies or events at the site, financial funding information for the events, and unrestricted enforcement activities. NFRAP VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5791 The agency release date for CERCLIS-NFRAP was March, 1999. NFRAP sites may be sites where, following an initial investigation, no contamination was found, contamination was removed quickly, or the contamination was not serious enough to require Federal Superfund action or NPL consideration. For more information call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403. Report ID: 595501901 Date of Report: June 7,1999 Version 2.6.1 Page/17 SCL VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5454 The agency release date for Calsites Database: All Sites except Annual Workplan Sites (incl. ASPIS) was October, 1998. The CalSites database contains information on properties (or "sites") in California where hazardous substances have been released, or where the potential for such a release exists. This database is used primarily by the Department of Toxic Substances Control to evaluate and track activities at sites that may have been affected by the release of hazardous substances. Also see SPL/SCL: Annual Work Plan (AWP) sites are classified as SPL and all the other sites are classified as SCL. The CalSites database includes both known and potential sites. Two- thirds of these sites have been classified, based on available information, as needing "No Further Action" (NFA) by the Department of Toxic Substances Control. The remaining sites are in various stages of review and remediation to determine if a problem exists at the site. Several hundred sites have been remediated and are considered certified. Some of these sites may be in long term operation and maintenance. RCRA-TSD VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5596 The agency release date for HWDMS/RCRIS was February, 1999. The EPA's Resource Conservation and Recovery Act (RCRA) Program identifies and tracks hazardous waste from the point of generation to the point of disposal. The RCRA Facilities database is a compilation by the EPA of facilities which report generation, storage, transportation, treatment or disposal of hazardous waste. RCRA TSDs are facilities which treat, store and/or dispose of hazardous waste. SWLF VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5689 The agency release date for Ca Solid Waste Information System (SWIS) was December, 1998. This database is provided by the Integrated Waste Management Board. The agency may be contacted at: 916-255-4021. The California Solid Waste Information System (SWIS) database consists of both open as well as closed and inactive solid waste disposal facilities and transfer stations pursuant to the Solid Waste Management and Resource Recovery Act of 1972, Government Code Section 2.66790(b). Generally, the California Integrated Waste Management Board learns of locations of disposal facilities through permit applications and from local enforcement agencies. LUST VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5366 The agency release date for Region #7-Colorado River Basin Leaking Underground Storage Tank Listing was August, 1998. This database is provided by the Regional Water Quality Control Board, Region #7. The agency may be contacted at: 760-346-7491. LUST VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5497 The agency release date for Lust Information System (LUSTIS) was October, 1998. This database is provided by the California Environmental Protection Agency. The agency may be contacted at: 916-445-6532. LUST VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5670 The agency release date for Lahontan Region LUST List was January, 1999. This database is provided by the Lahontan Region Six South Lake Tahoe. The agency may be contacted at: 530-542-5400. For more information call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403. Report ID: 595501901 Date of Report. June 7,1999 Version 2.6.1 Page #18 LUST VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5671 The agency release date for Region #9 Leaking Underground Storage Tank List was December, 1998. This database is provided by the Regional Water Quality Control Board, Region #9. The agency may be contacted at: 619-467-2980. C) DATABASES SEARCHED T01 MILE UST's VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 1612 The agency release date for Underground Storage Tank Registrations Database was January, 1994. This database is provided by the State Water Resources Control Board, Office of Underground Storage Tanks. The agency may be contacted at: 916-227-4364; Caution-Many states do not require registration of heating oil tanks, especially those used for residential purposes. UST's VISTA conducts a database search to identify all sites within 1 mile of your property. SRC*: 5835 The agency release date for San Diego County Environmental Health Services Database-UST Sites was January, 1999. This database is provided by the San Diego County Department of Health Services. The agency may be contacted at: 619-338-2268; Caution-Many states do not require registration of heating oil tanks, especially those used for residential purposes. AST's VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5513 The agency release date for Aboveground Storage Tank Database was December, 1998. This database is provided by the State Water Resources Control Board. The agency may be contacted at: 916-227-4364. D) DATABASES SEARCHED T01 MILE ERNS VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5598 The agency release date for was December, 1998. The Emergency Response Notification System (ERNS) is a national database containing records from October 1986 to the release date above and is used to collect information for reported releases of oil and hazardous substances. The database contains information from spill reports made to federal authorities including the EPA, the US Coast Guard, the National Response Center and the Department of Transportation. The ERNS hotline number is (202) 260-2342. RCRA-LgGen VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5596 The agency release date for HWDMS/RCRIS was February, 1999. The EPA's Resource Conservation and Recovery Act (RCRA) Program identifies and tracks hazardous waste from the point of generation to the point of disposal. The RCRA Facilities database is a compilation by the EPA of facilities which report generation, storage, transportation, treatment or disposal of hazardous waste. RCRA Large Generators are facilities which generate at least 1000 kg./month of non-acutely hazardous waste (or 1 kg./month of acutely hazardous waste). For more information call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403. Report ID: 595501901 Date of Report: June 7,1999 Version 2.6.1 Page/19 RCRA-SmGen VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5596 The agency release date for HWDMS/RCRIS was February, 1999. The EPA's Resource Conservation and Recovery Act (RCRA) Program identifies and tracks hazardous waste from the point of generation to the point of disposal. The RCRA Facilities database is a compilation by the EPA of facilities which report generation, storage, transportation, treatment or disposal of hazardous waste. RCRA Small and Very Small generators are facilities which generate less than 1000 kg./month of non-acutely hazardous waste. SPILL VISTA conducts a database search to identify all sites within 1 mile of your property. SRC#: 5835 The agency release date for San Diego County Environmental Health Services Database-Spill Sites was January, 1999. This database is provided by the San Diego County Department of Health Services. The agency may be contacted at: 619-338-2268. End of Report For more information call VISTA Information Solutions, Inc. at 1 - 800 - 767 - 0403. Report ID: 595501901 Version 2.6.1 Date of Report: June 7,1999 Page KO