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Home My WebLink AboutEA 11-16; Hydroelectric Facility at Maerkle; Administrative Permits (ADMIN)PLANNING DEPARTMENT APPLICATION FORM FOR EARLY ASSESSMENT BY THE SPECIAL PROJECTS TEAM THIS SECTION FOR PLANNING DEPARTMENT USE ONLY PROJECT (EA) #: \ \{p DATE SUBMITTED: {^ ( PLANNER: PROJECT PROPONENT/DEPT CONTACT SIGNATURE: WiUiamjajjmmer DEPUTY PUBLIC WjpRKS DIRECTOR SIGNATURE: Please type your responses in the boxes provided below. The form may be expanded to accommodate as much information as you choose to provide. PROJECT NAMEATTLE: Pressure Control Hydroelectric Facility at Maerkle Reservoir Have you submitted any previous early assessment applications for this project with Planning staff? If so, please attach a copy of the original request and the Planning Department's response. No Is the project part of an approved CIP budget or a future CIP budget? If so, please provide the CIP Project #. Yes; refer to Project No. 5025 List any previous and/or anticipated future Planning Commission or City Council actions (e.g., permit approvals, activity authorizations, etc.) related to this project. Three agenda Mis have been previously submitted to the CMWD Board which discussed CEQA (refer to agenda bills 678, 698, and 724 attached). Project application to obtain a "conduit exemption" from Federal Energy Regulatory Commission is proposed to be submitted in September 2011. Approval from CMWD Board to Advertise to receive bids for construction is scheduled for January 2012. List any previously certified environmental documents (e.g., EIRs, Negative Declarations). In Agenda Bill 678 the subject project was indicated to be exempt pursuant to Section 15303 of the CEQA Guidelines. List any technical studies that have been prepared or that you anticipate will be prepared (e.g., biology, archeology, traffic, noise, etc.). The FERC process to obtain a "conduit exemption" was initiated in January 2011. Letters received from various agencies regarding this project are attached for reference. We responded to comments from Fish & Wildlife Service, see attached email dated August 10,2011 from Janet Stuckrath of Fish & Wildlife Service. Is the project on City property? If not, has property owner authorization or an easement been secured? Property is ovi^ned by Carlsbad Municipal Water District, a subsidiary district of the ^'^yf^|^j|2f|^^|^^0 SEP 0 1 2011 Identify the project location. Include specific parcel numbers if possible. Project is located on Assessors Parcel Number 169 500 05 00 (55.85 acres) CITY OF CARLSBAD PLANNING PgPT Identify the project schedule. List critical and desired milestones including dates in the development review and construction process (e.g., public hearing dates, grant application submittal deadlines, public workshops, construction phasing, etc.). Project is now in final design. Selection of generator equipment manufacturer and application to Federal Energy Regulatory Commission to obtain a "conduit exemption" wiU occur September 2011. Completing plans and specifications and obtaining FERC approval is scheduled for December 2011. Advertising to receive bids for construction planned for January 2012. Construction contract award March 2012. Equipment ordering and deUvery of material and equipment to the site would occur from April 2012 through August 2012. Construction is tentatively scheduled to occur from September 2012 through December 2012. Begin operation January 2013. Early Assessment For City Projects - Revised 1/3/11 Page 2 of 3 m-. DESCRIPTION OF PROPOSAL - Describe the project in as much detail as possible. Use as much space as needed. Attach additional sheets (drawings, etc.) if necessary. Be sure to identify, if applicable, estimated quantities of grading (including import/export), construction staging areas on and offsite, areas of sensitive vegetation, unique construction technologies, proposed facility technologies and byproducts, and any public art component. If preliminary or conceptual plans or exhibits are available, please include two sets with this transmittal. The proposed pressure control hydroelectric is an accessory use facility that is incidental to the existing storage facilities at the site. It would take the place of an existing pressure control facility which uses pressure control valves to reduce the pressure of imported water flowing to CMWD's existing 10 million gallon (MG) Maerkle Tank and 200 MG Maerkle Dam Reservoir. The proposed pressure control would use a hydroelectric turbine pump system in place of the existing pressure control valves. It would consist of an approximately 18 foot by 18 foot precast concrete building to house the turbine generator system including electrical switchgear and controls. The location of the turbine generator and building would be adjacent to the existing pressure control facility and is shown highlighted in green on the attached drawing C-01. The pressure control hydroelectric will reduce the high pressure water by conveying the water through a new 12- inch diameter pipe installed upstream of the existing pressure control valves and connecting this pipe to the turbine generator system. A new 12-inch diameter outlet pipe from the turbine generator would be routed back to reconnect with two existing pipelines downstream of the existing pressure reducing valves. The new inflow and outflow pipes are shown highlighted in orange on attached drawing C-01. Water flow and pressure to the 10 MG Maerkle Tank and 200 MG Maerkle Dam Reservoir would remain unchanged from current conditions. To maintain higher water pressure to an existing onsite irrigation system, dam tenders house, wash-down water system for Maerkle Dam Reservoir, and chlorine dioxide generator educator requires the construction of a 6-inch diameter water pipeline from the existing pressure reducing valves to the existing chlorine dioxide storage building. The proposed pipeUne alignment follows the existing AC paved road in the area, and is shown highlighted in yellow on the attached drawings C-01 and C-02. The site for the turbine generator hydroelectric and building was previously planned for in 1989. In 1990, the site was graded and an upstream inflow pipe stub out was installed to the graded site concurrent with the installation of the existing pressure control valves and 17-foot wide by 35-foot long by 12-foot deep vault completed in 1991 (see attached drawing No. 87-109 sheets 6,11 and 20 dated 1989). No additional site grading is required. Pipeline trenching will occur for the inflow and outflow 12-inch diameter pipeline leading to and from the turbine generator with a total length of approximately 100-feet having a depth averaging 5-feet. The trench for the 6-inch diameter high pressure pipe from the existing pressure control valves to the existing chlorine dioxide building is approximately 800-feet in length averagii^ 4-feet in depth. Pipeline trenching would be performed by a small backhoe. AC paving that is cut for installation of conduits or the 6" high pressure water pipeline will be repaved with AC pavement. No sensitive vegetation will be disturbed by the proposed pipes or building. The hydroelectric generator, electrical controls, piping and valves, electrical conduit and cabling, and precast concrete building would be delivered to the site by truck. These materials will then be off-loaded and set in place or temporarily stored at the site for installation when required. The precast building would be constructed similar to attached brochure from "Modern". It will be placed on a cast-in-place concrete slab. The building is proposed to include a 10-foot wide metal roU-up door, a separate 3-foot wide access door, and a ventilation fan mounted in one wall. The 12-inch diameter inflow and outflow pipeline will be connected to the turbine generator inside the building. Electrical cables will be installed through existing conduits to an existing pumping station to enable power from the hydroelectric generator to be delivered back to SDG&E. Early Assessment For City Projects - Revised 1/3/11 Page 3 of 3 ^ CITY OF CARLSBAD STORM WATER STANDARDS QUESTIONNAIRE E-34 Development Services Land Development Engineering 1635 Faraday Avenue 760-602-2750 www.carlsbadca.gov INSTRUCTIONS: To address post-development pollutants that may be generated from development projects, the City requires that new development and significant redevelopment priority projects incorporate Permanent Storm Water Best IVIanagement Practices (BMP's) into the project design per the City's Standard Urban Stormwater Management Plan (SUSMP). To view the SUSMP, refer to the Engineering Standards (Volume 4, Chapter 2) at www.carlsbadca.qov/standards. Initially this questionnaire must be completed by the applicant in advance of submitting for a development application (subdivision, discretionary permits and/or construction permits). The results of the questionnaire determine the level of storm water standards that must be applied to a proposed development or redevelopment project. Depending on the outcome, your project will either be subject to 'Standard Stormwater Requirements' or be subject to additional criteria called 'Priority Development Project Requirements'. Many aspects of project site design are dependent upon the storm water standards applied to a project. Your responses to the questionnaire represent an initial assessment of the proposed project conditions and impacts. City staff has responsibility for making the final assessment after submission of the development application. If staff determines that the questionnaire was incorrectly filled out and is subject to more stringent storm water standards than initially assessed by you, this will result in the return of the development application as incomplete. In this case, please make the changes to the questionnaire and resubmit to the City. If you are unsure about the meaning of a question or need help in determining how to respond to one or more of the questions, please seek assistance from Land Development Engineering staff. A separate completed and signed questionnaire must be submitted for each new development application submission. Only one completed and signed questionnaire is required when multiple development applications for the same project are submitted concurrently. In addition to this questionnaire, you must also complete, sign and submit a Project Threat Assessment Form with construction permits for the project. Please start by completing Section 1 and follow the instructions. When completed, sign the form at the end and submit this with your application to the city. SECTION 1 NEW DEVELOPMENT Does your project meet one or more of the following criteria: YES NO 1. Housina subdivisions of 10 or more dwelllna units. Examples: sinqle family homes, multl-famllv homes, condominium and apartments 2. Commercial - areater than 1-acre. Any development other than heavy industry or residential. Examples: hospitals; laboratories and other medical facilities; educational institutions; recreational facilities; municipal facilities; commercial nurseries; multi-apartment buildings; car wash facilities; mini-malls and other business complexes; shopping malls; hotels; office buildings; public warehouses; automotive dealerships; airfields; and other light industrial facilities. X 3. Heavv Industrial / Industry- areater than 1 acre. Examples: manufacturing plants, food processing plants, metal working facilities, printing plants, and fleet storage areas (bus, truck, etc.). X 4. Automotive repair shoo. A facility cateaorized in any one of Standard Industrial Classification (SIC) codes 5013, 5014, 5541, 7532-7534, and 7536-7539 ' X 5. Restaurants. Any facility that sells prepared foods and drinks for consumption, including stationary lunch counters and refreshment stands selling prepared foods and drinks for immediate consumption (SIC code 5812), where the land area for development is greater than 5,000 square feet. Restaurants where land development is less than 5,000 square feet shall meet all SUSMP requirements except for structural treatment BMP and numeric sizing criteria requirements and hydromodification requirements. E-34 Page 1 of 3 REV 1/14/11 ^55^ CITY OF CARLSBAD STORM WATER STANDARDS QUESTIONNAIRE E-34 t Development Services Land Development Engineering 1635 Faraday Avenue 760-602-2750 www.carlsbadca.gov 6. Hillside develooment. Anv development that creates more than 5.000 souare feet of impervious surface and is located in an area with known erosive soil conditions, where the development will grade on any natural slope that is twenty-five percent (25%) or greater. X 7. Environmentallv Sensitive Area (ESA)\ All development located within or directly adiacent^ to or discharaino directly^ to an ESA (where discharges from the development or redevelopment will enter receiving waters within the ESA), which either creates 2,500 square feet or more of impervious surface on a proposed project site or increases the area of imperviousness of a proposed project site 10% or more of its naturally occurring condition. X 8. Parkina lot. Area of 5.000 souare feet or more, or with 15 or more oarkino spaces, and potentially exposed to urban runoff X 9. Sfreefs. roads, hiahwavs. and freeways. Any oaved surface that is 5.000 souare feet or areater used for the transportation of automobiles, trucks, motorcycles, and other vehicles 10. Retail Gasoline Outlets. Servina more than 100 vehicles per day and areater than 5.000 souare feet X 11. Coastal Develooment Zone. Anv proiect located within 200 feet of the Pacific Ocean and (1) creates more than 2500 square feet of impervious surface or (2) increases impervious surface on property by more than 10%. X 12. More than 1-acre of disturbance. Proiect results in the disturbance of 1-acre or more of land and is considered a Pollutant-generating Development Project''. X 1 Environmentally Sensitive Areas include but are not limited to all Clean Water Act Section 303(d) impaired water bodies; areas designated as Areas of Special Biological Significance by the State Water Resources Control Board (Water Quality Control Plan for the San Diego Basin (1994) and amendments); water bodies designated with the RARE beneficial use by the State Water Resources Control Board (Water Quality Control Plan for the San Diego Basin (1994) and amendments); areas designated as preserves or their equivalent under the Multi Species Conservation Program within the Cities and County of San Diego; and any other equivalent environmentally sensitive areas which have been identified by the Copermittees. 2 "Directly adjacent" means situated within 200 feet of the Environmentally Sensitive Area. 3 "Discharging directly to" means outflow from a drainage conveyance system that is composed entirely of flows from the subject development or redevelopment site, and not commingled with flow from adjacent lands. 4 Pollutant-generating Development Projects are those projects that generate pollutants at levels greater than background levels. In general, these include all projects that contribute to an exceedance to an impaired water body or which create new impervious surfaces greater than 5000 square feet and/or introduce new landscaping areas that require routine use of fertilizers and pesticides. In most cases linear pathway projects that are for infrequent vehicle use, such as emergency or maintenance access, or for pedestrian or bicycle use, are not considered Pollutant-generating Development Projects if they are built with pervious surfaces or if they sheet flow to surrounding pervious surfaces. INSTRUCTIONS:: Section 1 Results: If you answered YES to ANY of the questions above, your project is subject to Priority Development Project requirements. Skip Section 2 and please proceed to Section 3. Check the "meets PRIORITY DEVELOPMENT PROJECT requirements" box in Section 3. Additional storm water requirements will apply per the SUSMP. If you answered NO to ALL of the questions abiove, then please proceed to Section 2 and follow the instructions. E-34 Page 2 of 3 REV 1/14/11 CITY OF CARLSBAD STORM WATER STANDARDS QUESTIONNAIRE E-34 Development Services Land Development Engineering 1635 Faraday Avenue 760-602-2750 www.carlsbadca.gov SECTiON 2 SIGNIFICANT REDEVELOPMENT INSTRUCTIONS: Complete the questions below regarding your project YES NO 1. Project results in the disturbance of 1-acre or more of land and is considered a Pollutant-generating Development Proiect *? X INSTRUCTIONS: If you answered NO, please proceed to question 2. If you answered YES, then you ARE a significant redevelopment and you ARE subject to PRIORITY DEVELOPMENT PROJECT requirements. Please check the "meets PRIORITY DEVELOPMENT PROJECT requirements" box in Section 3 below. 2. Is the project redeveloping an existing priority project type? (Priority projects are defined in Section 1) INSTRUCTIONS; If you answered YES, please proceed to question 3. If you answered NO, then you ARE NOT a significant redevelopment and your project is subject to STANDARD STORMWATER REQUIREMENTS. Please check the "does not meet PDP requirements" box in Section 3 below. 3. Is the work limited to trenching and resurfacing associated with utility work; resurfacing and reconfiguring surface parking lots and existing roadways; new sidewalk; bike lane on existing road and/or routine maintenance of damaged pavement such as pothole repair? Resurfacing/reconfiguring parking lots is where the work does not expose underlying soil during construction. INSTRUCTIONS: If you answered NO, then proceed to question 4. If you answered YES, then you ARE NOT a significant redevelopment and your project is subject to STANDARD STORMWATER REQUIREMENTS. Please check the "does not meet PDP requirements" box in Section 3 below. 4. Will your redevelopment project create, replace, or add at least 5,000 square feet of impervious surfaces on existing developed property or will your project be located within 200 feet of the Pacific Ocean and (1) create 2500 square feet or more of impervious surface or (2) increases impervious surface on the property by more than 10%? Replacement of existing impervious surfaces includes any activity that is not part of routine maintenance where impervious material(s) are removed, exposing underiying soil during construction. INSTRUCTIONS: If you answered YES, you ARE a significant redevelopment, and you ARE subject to PRIORITY DEVELOPMENT PROJECT requirements. Please check the "meets PRIORITY DEVELOPMENT PROJECT requirements" box in Section 3 below. Review SUSMP to find out if SUSMP requirements apply to your project envelope or the entire project site. If you answered NO, then you ARE NOT a significant redevelopment and your project is subject to STANDARD STORMWATER REQUIREMENTS. Please check the "does not meet PDP requirements" box in Section 3 below. *for definition see Footnote 4 on page 2 $1 QUESTIONNAIRE RESULTS • My project meets PRIORITY DEVELOPMENT PROJECT (PDP) requirements and must comply with additional stormwater criteria per the SUSMP and I understand I must prepare a Storm Water Management Plan for submittal at time of application. I understand flow control (hydromodification) requirements may apply to my project. Refer to SUSMP for details. My project does not meet PDP requirements and must only comply with STANDARD STORMWATER REQUIREMENTS per the SUSMP. As part of these requirements, I will incorporate low impact development strategies throughout my project. Applicant Information and Signature Box This Box for City Use Only AddresSy / Assessor's Parcel Number(s): /(^ 9 SOO OS Applicant Nam4: Applicant Title: Applicant Signaturg;,^ Date: City Concurrence: NO By: Date: Project ID: 5A W' U E-34 Page 3 of 3 REV 1/14/11 EXISTING PRESSURE REDUCING STATION (VAUtT) LOCATION OF PROPOSED HYDROELECTRIC FACILrTY (POWERHOUSE) ( 4yOA 21-HE X\ PARTIAL PLAN J SCALE: V = 20'.O- FILE: - DAIt MTIAL CNONrER Of WORK BASIS OF COORDINATES NAD S3 (1999.92 EPOCH) CLSB.099 N 2000810.941' E 6254391.4ir ELEV S44.S7- (NGVD 29) RECORD OF SURVEY 17271 2 5* DISC ST/J4PED •CLS8-1251_S. 6215' IN CURB AT TME SOUTH END OF WHIT BIRCH DR \0V SOUTH OF SEQUOIA CREST ST THE SOUTH END OF CUL-DE-SAC 50- SOUTHEAST OF STREET UGHT. BENCHMARK CLSB-099 ELEV 544.S7 (NGVD 29) RECORD OF SURVEY 17271 2.5- DISC STAMPED •CLSB-12S LS. 8215" IN CURB AT THE SOUfH END OF WHIT BIRCH DR 108' SOUTH OF SeQUOIA CREST ST THE SOUTH END OF CUL-DE-SAC SC SOUTHEAST OF STREET UGHT. CLS8-125 N 2000965.044' E 8249282.964' ELEV 422238" (NGVD 29) RECORD OF SURVEY 17271 2- IRON PIPE AND DISC STAMPED •CLSe-125 LS. 8215- ALONG GAS UNE EASEMENT ROAD AT THE SOUTHWEST CORNER OF LEISURE VILLAGE IN VISTA AND 5" EASTERLY OF A GAS UNE MARKER POST. NOTES: DRAWING BASED ON SURVEY PERFORMED BY RIGHT-OF-WAY ENGMEcRMG SERVICES. OCEANSOE. CA M DECEMBER 2010 YARD PIPING DRAWING BASED ON SQUIRES TANK AND PIPEUNE PROJECT RECORD [DRAWINGS DATED 3/15«1 BY LUKE - DUDEK CIVIL ENGINEERS. INC. REVISION DESCRIPTION OTHER APPROVAL aiY APPROVAL C^1 'AS BUILT" REVIEWED BY: CITY OF CARLSBAD ENGINEERING DEPARTMENT ynvMJtmPI/MS FOR: CMiLseADiMMcrM.mTvtas'micT SrrEPLAN POrATTHEU/^RKLEI^SERVOm APPROVED mUMU E. PLUUUER CCPUrr QTY EWaCER Pt 28176 EXPBES 3/31/12 Dm BY: . CHKD BY: . RVWD BY: PROJECT NO. DRAWING NO. TO200MG MAERKLE DAM STORAGE RESERVOIR BASIS OF COORDINATES NAD 83 (1999.92 EPOCH) CLSB-099 N 2000610.941' E 8254391.411' ELEV 544.5r (NGVD 29) RECORD OF SURVEY 17271 2.5' DISC STAMPED XLSB-125 L S 8215" IN CURB AT THE SOUTH END OF WHIT BIRCH DR. W SOUTH OF SEQUOIA CREST ST THE SOUTH END OF CUL-DE-SAC. SC SOUTHEAST OF STREET LIGHT. BENCHMARK CLS8-099 ELEV 544.5r (NGVD 29) RECORD OF SURVEY 17271 2.5- DISC STAMPED •CLSe-125 L S 6215- IN CURB AT THE SOUTH END OF WHIT B«CH OR lOT SOUTH OF SEQUOIA CREST ST THE SOUTH END OF CUL-DE-SAC. 50- SOUTHEAST OF STREET UOHT. CLSB-125 N 2000965.044' E 6248282-964' ELEV 422238' (NGVD 29) RECORD OF SURVEY 17271 2- IRON PIPE AND DISC STAMPED •CLS8-125 L S 8215" ALONG GAS LINE EASEMENT ROAD AT THE SOLTTHWEST CORNER OF LEISURE VILLAQE IN VISTA AND 5' EASTERLY OF A GAS LINE MARKER POST. SCALE: r « S'-O- FILE:- NOTES: DRAWING BASED ON SURVEY PERFORMED BY RIGHT-OF-WAY ENGINEERING SERVK^ES. OCEANSIDE. CA IN DECEMBER 2010 YARD PIPING DRAWING BASED ON SQUIRES TANK AND PIPEUNE PROJECT RECORD DRAWINGS DATED 3rtV91 BY LUKE - DUDEK CIVIL ENGINEERS, WC. ^^^^^^ T^IP^B ENGWED) OF WORK REVISION DESCRIPTION OIHER APPROVAL ai-r APPROVAL C02 'AS BUILT" REVIE«0 BY: CITY OF CARLSBAD ENGINEERING DEPARTMENT UfVOVEUBnPIMSFOK CMiLSeAD UUNKPAL WATER OSTTUa SrTEPLAN PCHF AT TteIMERKIM RESERVOIR APPROVED MLUAK E. PLUUUER DEPUTY QTY EHq«ER PI 28176 OfKS 3/31/12 DATE DWN BY: . CHKD BY: . RVWD BY: , PROJECT NO. coNsreucTioN ncce.55 SH/)i,L Beessre/creo — / ,' -. \ \^£X/ir- 2/" 0 SDCU/)7 - - - 1 - cT/jF-sy'iup^y / I ! I I \ I f W ^ \ ' \ .ic/Rve-y f^/i/t OA/ C^'^a'9<^£^J • / A- If, •mm ... •^^^/^<Z6- 'j/ e^^i/d '//s... / i^t£i:JKic^sr/tr/or/ D£V£4C/'Af£//r p-' ,—^yJ^^^^m:^£ 0/:i£^/>/!0£ £j^C>/^ r/}P3 CTO £6/!€MOi^SD) £X/:ir /?£^£J?va/,^ (:.^^<K//V/?//OA/ /^fiC/4/77£:i KK<X> - /i££>£RVO//i ^aP£Ji. 'S /,IX/S£ •y.0.4'/ —i FAOM £L^. M/^7AyoJi£/>4 J//aciy^^ '/y / / , '///jf . v MOT eeoseo K/i7f^(/T.St^gssr' /' /• '>^ vv...-.NC t/emshj PGRMijsiosJ-f^o^ T7/e '. .ci--..c '' ise fiHOM AffaooiMKioise^iiie-j -'''W • •'"•-•^< /f/9A//>W/f (yf£ ££>. 20^-070 -07 h -NJfaOOOO —/ ...iS £.78.47/ / „--J'*P^M''TION/W8NISH^^.OTH£RS:-0EV^ TM Lf^TlQNS'. --^-r__1.,AN5 epupfpOtiS Wp^^'MAY EJflST TiaOS^ELYlNG eN^IS'REpO^l!)' —ir..'^...^^, \ • ///rP/, ENGINEER OF WORK STEPHEN L. DEERING DESIGN : J.L.VCN HEKPER DRAW! : P.M. LANIZ CHECKED : 6. L. PEERirgo LUKE-DUDEK Civil Engineers, Inc. ^ 605 Dikd S1r»«l fcncilKM CoMlomkl. K024 (619) 94J-6I47 DISTRICT APPROVED CHANGES Approved BENCH MARK PIPELIME INDEX AMD MATERIAL SCHEDULE OSSIGIUTIOM SUE IN OlA. PtOflLE DWC KtaEliyOIRCIHJM^IC HYDHOELEnRIC FEED INLET "A" INLET "i" MIN DISTRIBUTION tmiET "A" OUTLET "6" OVEIIfLCW PUT DISCHARGE PUMP SUCTIOH HESHVOH DRAIN RESERVOIR INLET SIORH DRAIN 1 S10RM DRAIN 2 TANK DRAIN 1 TANX DRAIN 2 TANK DRAIN 3 C-« - C-10 _ C-7 C-11 c-6 c-10 c-6 c-10 C-6 C-6 C-7,8,9 C-7,8 C-7 C-10 HISCEHANECUS DRAIN UNDERDRAIN UASHDOUN lAHK DRAIN PIPING IH PRESSURE REDUCING STATION PIPING IN VALVE t METER VAULT SAMPLE LINE CHLORINE INJECTOR SUPPLY UPE 1. WIOED JOINT CEMENT MORTAR LINED AND COATED STEEL PIPE OR RESTRAINED JOINT DUCTILE IRON PIPE AT CONIRAaOR'S OPTION-ALL ONE MATERIAL, OR THE OTHER. 2. CC«RUGATEO ALUHIWM. I. PVC-SOR35. • 4. PERFORATED PVC-SCHEOUIE BO. 5. PVC - SCHEDULE 80 NOTES: 1. ELEVATION DATUM FOR THIS SET OF PLANS IS U.S.G S. MEAN SEA LEVEL THIS DATUM IS ABOUT 5 FEET LOWER THAN THE DATUM USED FOR CONSTRUCTION OF THE ORIGINAL SOUIflES I DAM, 27 INCH INLET/OUTLET UNE, AND 21 INCH TAP 3 UNE 2. BENCHMARK AND BASIS OF COORDINATES FOR THIS SET OF PLANS IS THE CENTERUNE MONUMENT AT STA 380-t23.13, R.S. 1800-1 (EL CAMINO REAL). Le. 198,42. NORTH 356.381^4. EAST 1.685.331.68. 3. BASIS OF BEARINGS FOR THIS SET OF PLANS IS THE UNE BETWEEN CENTERUNE MONUMENTS AT STATIONS 380 t23,13 AND 407^57.25. R.S. 1800-1 (EL CAMINO REAL), le. NORTH 62' 55' 14" WEST. n.t.rript\on CENTEF^LINE MONUMENTS l.ocgtlon 3TA. 380*23.13 AND STA. 407*57.25 P.>.-nrH fr^H.S. 1800-1 (EL CAMINO REAL) CO.OF 3.D Devotion 198.42 n,,*.,.^ ()§Q? M.S.L. & BRO. NBg'sa'WW CAL COOBDINATES COSTA REAL MUNICIPAL WATER DISTRICT ENGINEERING DEPARTMENT 43 Sheets SQUIRES TANK AND PIPELINES SITE PLAN (SOUTH) DIstrlcl Engineer. ROBERT j. QREANEY RC£:40Si8Dot« C-1 CRMWD 87-109 iX> /9o oZ S 36* 50" DO- U STA 4<6S.SD LINE MD eWTSIDE FACE OF lANt SIA D«1S.0O LIKE II JIA 0«1».00 llNl PO ITA 4*55.50 LINE K> ttJTtlOE FACE OF TAHt STA WSO.OD LINE IA THRUST BLOCK DETAIL M N.T.S. CHECKED : ^.L.DEEKIMG Approved BENCH MARK Oe»cription_ J£^.^/-/££7' a-/ /^ZZ*" Record From. Elevation COSTA REAL MUNICIPAL WATER DISTRICT ENGINEERING DEPARTMENT 43 Sheets SQUIRES TANK AND PIPELINES PLAN AND PROFILE 1 DLlrlct Engineer Q„^„ey «CE Dote CRMWD 87-109 Drwr. No. PRESSURE CONTROL VALVE SCHEDULE APPROX. TAG DIAM. FLOU CAPACITY VALVE PRESSURE SUSTAINIMC PRESSURE REDUCING HAXIHIH UPSTREAM MINIWJM DCUISTRCAM MJH8ER SIZE (CFS) ELEV. SET POINT GRADE LIME SETPOINT CSADE LINE GRADE LIME GRADE LIME CC»«NIS (FEET) (FBI) (FEET) (FEET) (FEET) F^V-»-1 12" 10 930 N/A 1002 SCO PR STATION PSV-»-2 1?" 10 830 M/A 100? •,8C PR STATIOM psv-ie-3 12-10 !.79 580 540 505 PR STATION PRV-M)-1 4-1 i.SS N/A 665 1002 515 TANK IMSHOOW FRCH PR STATION PeV-NE-l 12" 3 510 N/A 830 100? CONVERT EXISTINC PSV AT HE STATION PSV-HE-1 8" 3 510 y,o N/A 830 510 PSV AI HE STATION VENTILATIC IN EQUIPMENT L ST EQUIP. NO. DESCRIPTION RATING MANUFACTURE AJV-1 Air Intake Vent 1200CFM®0.05* S.P. ILG Model ARVE 292 ACME Model LQV 21 Of approved equal AIV-2 Air Intake Vent 1200CFM®0.05* S.P. ILG Model ARVE 292 ACME Model LQV 21 Of approved equal ARV-1 Air Retef Vent 12(X) CFM® 0.05* S.P. ILG Model AF1VE 292 ACME Model LC3V 21 or approved equal Anv-2 Air Retef Vent 12(X) CFM® 0.05* S.P. ILG Model AF1VE 292 ACME Model LC3V 21 or approved equal f^l Centrifugal In-Une Supply Fan 120OCFM@0.125'S.P. Less than 0.25 BHP Less than 10 Sones ILG Model SQLB 1350 ACME Model XB137F or approved equal F-2 Centrifugal In-Une Supply Fan 120OCFM@0.125'S.P. Less than 0.25 BHP Less than 10 Sones ILG Model SQLB 1350 ACME Model XB137F or approved equal NOTES: 1. All equipment shaH bo mounied and Installed In accordance with the mantrtaoturer's reconvnenoations. 2. Ducting shaH be the same dimensions as the In-line fan unit and shaB extend to 2 (eet above the vault floor. 3. Air intake and relief vents shall be nwunted on curbs so that the intake point Is at least 12 inches above the roof slab. A minimum 3 Inch concrete cu'b shall be provided. /.€. 473.00 BENCH MARK Record From. •evotlon COSTA REAL MUNICIPAL WATER DISTRICT ENGINEERING DEPARTMENT 43 Sheets SQUIRES TANK AND PIPELINES PRESSURE REDUCING STATION Olalrlot Engineer ROBEHT j ORCAMIY RC£40ji5 0ote M-1 "7^ CRMWD 87-109 Drwr. No. APN: 169-540« OWNER: OCEAN HULLS COUNTFJY CLUB HOMEOWNERS ASSN APN: 209.070-16 OWNER: KATO FAMILY (SURVIVORS) TRUST (03-3^08) (15.87%): KATO FAMILY RESIDUAL TRUST (03-3O«3) ADDRESS; 3250 SUNNY CREEK RO LOCATION OF PROPOSED HYOROELECTRIC FACILITY (POWERHCXISE) LEGEND STREET LIGHT WATER METEFS BLOWOFF %. WATER VAKVE to* FIRE HYDRANT % IRRIGATION VALVE ELECTWC FA(aUTY • TELEPHONE RISER (D ACCESS MANHOLE ® STORM DRAIN MANHOLE SEWER CLOEANOUT ® SEWER MANHOLE TREE (SIZE AS NOTED) PINE (SIZE AS NOTED) * YUCCA (SIZE AS NOTEOI BUSH CHAIN LINK FENCE CLSB-099 N 2000610.941' E 5254391.411' ELEV S44.5r (NGVtJ 29) RECORD Of SURVEY 17271 2.5- DISC STAN8»£D •CLSB-125 L.S. 6215" IN CURB AT THE SOUTH END OF WHIT BIRCH DFl lOTSOimiOF SEQUOIA CREST ST THE SCXJTH END OF CUL-DE-SAC. sa SOUTHEAST CF STREET LK3HT. BASIS OF COORDINATES NAD 83 (1999.92 EPOCH) CLSB-099 N 2000610.941' E 6254391.411' ELEV 544.5r (NGVD 29) RECORD OF SURVEY 17271 2.5- DISC STAMPED •CLSB-12S LS. 6215- IN CURB AT THE SOUTH END OF WHIT BIRCH DR. 106" SOUTH OF SEQUOIA CREST ST THE SOUTH END OF CUL-DE-SAC, sa SOUTHEAST OF STREET LIGHT. BENCHMARK CLSB-099 ELEV S44.5r (NOVO 29) RECORD OF SURVEY 17271 2-5" DISC STAMPED •CLSB-125US. 6215- IN CUFIB AT THE SOUTH END OF WHIT BIRCH OR. 108'S(XnM OF SEQUOIA CREST ST THE SOUTH END OF CUL-DE-SAC. 50 SOUTHEAST OF STT^ET LK3HT. CLSB-12S N 2000965.044' E 6249282.964' ELEV 422.238' (NGVD 29) RECORD OF SURVEY 17271 r IRON PIPE AND DISC STAMPED -CISB-IZS LS. 6215" ALONG GAS LINE EASEMENT ROAD AT THE SOUTHWEST CORNER OF LEISURE VILLAGE IN VISTA AND 5' EASTEFtLY OF A GAS LINE MARKER POST. NOTES: DRAWING BASED ON SURVEY PERFORMED BY RK3HT-0F-WAY ENGINEERING SERVICES, OCEANSIDE, CA IN DECEMBER 2010. PROPERTY LINES IN THIS DFiAWlNG WERE ESTABLISHED FROM AVAILABLE RECORD MAPS AND ASSESSOR'S MAPS. NO TITLE REPORTS WERE REVIEWED FOR THIS PROJECT. SELECT RECXIRO MONUMENTS WERE TIED INTO THE PROJECT COORDINATE SYSTEM TO ORIENTATE RECOFSO MAPS. BEARINGS ANO DISTANCES TAKEN FROM THIS DRAWING REPRESENT A BEST FIT COMPILATION OF RECORD DATA THESE PROPERTY LINES ARE INTENDED TO BE USED FOR A GRAPHIC REPRESENTATION ONLY. DESIGNED CTC K a z 0 z • z i 0 •j m I a h V s a ^carollo Engineers...Working Wonders With Water "* CARLSBAD MUNICIPAL WATER DISTRICT JOB NO. 8362A10 ORAMN JGK K a z 0 z • z i 0 •j m I a h V s a ^carollo Engineers...Working Wonders With Water "* PCHF AT THE MAERKLE RESERVOIR DRAWWGNO. CHECKED K a z 0 z • z i 0 •j m I a h V s a ^carollo Engineers...Working Wonders With Water "* EXHIBIT G.4 DRAWWGNO. CHECKED K a z 0 z • z i 0 •j m I a h V s a ^carollo Engineers...Working Wonders With Water "* EXHIBIT G.4 SHEET NO OF XXX REV DATE 9ICM3»>S. BY DESCRIPTION DATE I«dr. UMrti* RMWVQ* TcpQ K a z 0 z • z i 0 •j m I a h V s a ^carollo Engineers...Working Wonders With Water "* EXHIBIT G.4 SHEET NO OF XXX LOCATKDN OF PROPOSED HYDROELECTTOC FACIJTY (POWERHOUSE) LEGEND STREETLIGHT WATER METER 8L0W0FF WATER VAKVE •04 FIRE HYDRANT % IRRIGATION VALVE Q ELECTRIC FACILITY • ' TELEPHONE RISER s ACCESS MANHOLE 9 STORM DRAW MANHOLE SL SEWER CLOEANOUT ® SEWER MANHOLE TREE (SIZE AS NOTED) PUE (SIZE AS NOTED) YIK:CA (SEE AS NOTED) BUSH CHAIN LINK FENCE BASIS OF COORDINATES NAD 83 (1999.92 EPOCH) APN: 169-230-02 OWNER; CARLSBAD MUNICIPAL WATER DISTRICT CLSB-099 N 2OO061O.941' E 6254391.41V ELEV 544.57'(NGVD 28) RECORD OF SURVEY 17271 2.5- DISC STAMPED •CLSB-125 LS. 8215" IN CURB AT THE SOinH END OF WHIT BIRCH DR. lOff SOUTH OF SEQUOIA CREST ST THE SOUTH END OF CUL-DE-SAC. sa SOUTHEAST OF STREET LIGHT. BENCHMARK CLSB-099 ELEV 544.57'(NGVO 29) RECORD OF SURVEY 17271 2.5- DISC STAMPED "0158-125 L.S. 62ir IN CUF® AT THE SOUTH END OF WHIT BIRCH OR. 108'SOUTH OF SEQUOIA CREST ST THE SOUTH END OF Cm-OE-SAC. Sff SOUTHEAST OF STREET UGHT. CLS8-12S N 2000965.044' E 6249282.964- ELEV 422.238-(NGVO 29) RECXDRO OF SURVEY 17271 2- IRON PIPE ANO DISC STAMPED "CLSB-125 LS. 6215" ALONG GAS LINE EASEMENT ROAD AT THE SOUTHWEST CORNER OF LEISURE VILLAGE IN VISTA AND 5' EASTERLY OF A GAS LINE MARKER POST. NOTES: 1. DRAWING BASED ON SURVEY PERFORMED BY RIGHT-OF-WAY ENGINEERING SERVICES. OCEANSIDE. CA IN DECEMBER 2010. DESIGNED CTC C • m X i • z i • 6 c 1 ^carollo Engineers-Working Wonders With Water ~ CARLSBAD MUNICIPAL WATER DISTRICT JOB MO 8362A10 DRAV*4 JGK C • m X i • z i • 6 c 1 ^carollo Engineers-Working Wonders With Water ~ PCHF AT THE MAERKLE RESERVOIR ORAWMOHO. CHECKED C • m X i • z i • 6 c 1 ^carollo Engineers-Working Wonders With Water ~ EXHIBIT G.5 SHEET NO OF XXX DATE aKNO: BY OATE C • m X i • z i • 6 c 1 ^carollo Engineers-Working Wonders With Water ~ EXHIBIT G.5 SHEET NO OF XXX D [L [1 © Kmest.l Dronenburg. .Ir. RecorderCoumi Clefk NOTICE OF EXEMPTION 0^2^2011 BYV. Esau ive I To: SD County Clerk From: CITY OF CARLSBAD °^ DEPuW Attn: Linda Kesian Planning Division Mail Stop A-33 1635 Faraday Avenue 1600 Pacific Highway Carlsbad CA 92008 San Diego CA 92101 Subject: Filing of this Notice of Exemption is in compliance with Section 21152b of the Public Resources Code (Califomia Environmental Quality Act). Project Number and Title; CMWD Proiect No. 5025 - Maerkle Reservoir Pressure Control Hydroelectric Facilitv Project Location - Specific: Maerkle Tank and Dam Reservoir located at the eastem terminus of Sunny Creek Road (APN 169-500-05). Project Location - City: Carlsbad Project Location - County; San Diego Description of Project: Installation of a pressure control hydroelectric generator (including underground piping) within an 18' x 18' pre-cast concrete building. Name of Public Agency Approving Project; Carlsbad Municipal Water District Name of Person or Agency Carrying Out Project; Carlsbad Municipal Water District Name of Applicant; William Plummer. Deputy City Engineer Applicant's Address; 1635 Faraday Avenue Carlsbad, CA 92008 Applicant's Telephone Number; 760-602-2768 Exempt Status: (Check One) • Ministerial (Section 21080(b)(1); 15268); • Declared Emergency (Section 21080(b)(3); 15269(a)); • Emergency Project (Section 21080(b)(4); 15269 (b)(c)); ^ Categorical Exemption - State type and section number: Class 3. Section 15303 • Statutory Exemptions - State code number: • General rule (Section 15061(b)(3)) Reasons why project is exempt: The project consists of the addition of a small accessory structure for a hydroelectric generator and associated underground piping. Class 3 exemptions apply to the construction and location of limited numbers of new, small facilitates or stmctures: installation of small new equipment and facilities in small structures: and the conversion of existing small structures from one use to another. Lead Agency Contact Person: Barbara Kennedy Telephone: (760) 602-4626 /o -/?-// DON NEU, City Planner Date Date received for filing at OPR: Revised 06/10 nUDtNTHlO^HCtOnHlCOUNlYCLERK Dio^) Mi or „. — ' nil' 4 < vi'iTf Pocked iillRiiiilli-- i^*^®^ _i!hLIliHii Retuin»*i, to ageocy on - DEC I 5 ?OtV" I) r v „ -V, Escftiive] State of California—The Resources Agsncy DEPARTMENT OF FISH AND GAME 2011 ENVIRONMENTAL FILING FEE CASH RECEIPT SEE INSTRUCTIONS ON REVERSE. TYPE OR PRINT CLEARK RECEIPT* SD2011 0832 STATE CLEARING HOUSE # (ifapplicable) LEAD AGENCY DATE CITY OF CARLSBAD 10/26/2011 COUNTY/STATE AGENCY OF FILING DOCUMENTNUMBER SAN DIEGO *20110832* PROJECTTITLE CMDWS PROJECT NO. 5024 MAERKLE RESERVOIR PRESSURE CONTROL HYDROELECTRIC FACILITY PROJECT APPLICANT NAME CARLSBAD MUNICIPAL WATER DISTRICT/ WILLIAM PLUMMER PHONENUMBER 760-602-2768 PROJECT/APPLICANT ADDRESS 1635 FARADAY AVENUE CITY CARLSBAD STATE CA ZIP CODE 92008 PROJECT APPLICANT (Check appropriate box): • Local Public Agency • School District • Other Special District • State Agency Q Private Entity CHECK APPLICABLE FEES: • Environmental Impact Report • Negative Declaration Q Application Fee Water Diversion (State H^fer Resources Control Board Only) • Projects Subject to Certified Regulatory Programs • County Administrative Fee Q Project that is exempt from fees [Zl Notice of Exemption • DFG No Effect Determination (Form Attached) • Other PAYMENT METHOD: • Cash • Credit • Check • Other $2,839.25 $2,044.00 $850,00 $965,50 $50.00 $50.00 TOTAL RECEIVED $50.00 SIGNATURE X V. Esquivel TITLE Deputy llllllllllllllllllllllllllllllllllllllllllllllll ORIGINAL - PROJECT APPLICANT COPY-DFG/ASB COP'l'-LEAD AGENCY COPY-COUNTY CLERK FG 753.5a (Rev. 7/08) DATE: SEPTEMBER 21. 2011 • 6^ CITY OF CARLSBAD l^^cL REVIEW AND COMMENT MEMO ^j^^ PROJECT NO(S): EA 11-16 REVIEW NO: 1 PROJECT TITLE: HYDROELECTRIC FACILITY AT MAERKLE APPLICANT: CITY OF CARLSBAD TO: ^ Land Development Engineering-Terie Rowley I I Police Department - J. Sasway I I Fire Department - Greg Ryan I I Building Department-Will Foss I I Recreation - Mark Steyaert I I Public Works Department (Streets) - Nick Roque I I Water/Sewer District I I Landscape Plancheck Consultant - PELA I I School District I I North County Transit District - Planning Department I I Sempra Energy - Land Management • Gait rans (Send anything adjacent to 1-5) I I Parks/Trails - Liz Ketabian •ALWAYS SEND EXHIBITS FROM: PLANNING DEPARTMENT Please review and submit written comments and/or conditions to the PLANNING TRACKING DESK in the Planning Department at 1635 Faraday Avenue, by 10/05/11. If you have "No Comments," please so state, if vou determine that there are items that need to be submitted to deem the application "complete" for processing, please immediately contact the applicant and/or their representatives (via phone or e-mail) to let them know. Thank you COMMENTS: i\) A?Ac>lEO <iCiJ(^i\ ^i\)A./A iyjAT^fl-^ n\Jc\T,(i/v/i//^,/LS. yo^ i^icu Signature ' Date PLANS ATTACHED Review & Comment 05/11 Barbara Kennedy From: Mike Grim Sent: Wednesday, August 10, 2011 1:57 PM To: Bill Plummer; Scott Donnell Subject: FW: Maerkle Hydroelectric Facility - HMP consistency Hi Bill and Scott: Please see below regarding the City's processing of the Maerkle Hydroelectric project and let me know if you need anything else to address the biological resources concerns expressed by RECON. Once they are on board, I will prepare the HMP Consistency letter and Incidental Take Permit. Thanks, Mike Original Message— From: Janet_Stuckrath@fws.gov [mailto:Janet_Stuckrath@fws.gov] Sent: Wednesday, August 10, 20111:52 PM To: Mike Grim Cc: Libby Lucas; Stephanie Rihl Subject: Re: Maerkle Hydroelectric Facility - HMP consistency Mike, Yes, that seems to capture everything from the Service point of view. Janet Stuckrath U.S. Fish and Wildlife Service (760) 431-9440 ext. 270 (760) 431-5902 (fax) Mike Grim <Mike.Grim@carlsb adca.gov> To JanetStuckrath 08/10/201101:33 <Janet Stuckrath@fws.eov> PM cc Libby Lucas <ELucas@dfe.ca.gov>, Stephanie Rihl <srihl@dfg.ca.gov> Subject Maerkle Hydroelectric Facility - HMP consistency Hi Janet: Thanks for helping clarify the City's processing options with regard to the potential incidental take of CAGN associated with the Maerkle Reservoir Hydroelectric Facility building and pipe installation. Combining the information contained in your letter dated May 9, 2011 and our discussions at our HMP Implementation meeting on August 3, 2011,1 believe we can proceed with the project provided the following: 1. The City provides FWS and DFG with a letter describing how the proposed building construction and pipe installation is consistent with the HMP (e.g. not located within a preserve, no habitat impacts, adherence to adjacency standards such as lighting and erosion control). 2. The City issues an Incidental Take Permit (ITP) for the potential harassment of CAGN during the nesting season. Since there are no habitat impacts associated with the project and all HMP consistency requirements are incorporated into the project description and construction documents, no mitigation measures need to be implemented. 3. The ITP is conditioned to require that a biologist survey the CSS habitat near the project area prior to beginning of construction activities to verify that there are no active nests within 500 feet. If there aren't any nests, then make sure the project doesn't impact any native vegetation in that area. If there are nests, have a biologist on site during construction activities to monitor the birds for stress (e.g. flying off of their nests in response to loud noises). Could you please let me know if I captured everything correctly? If so, I will prepare an HMP consistency letter and begin preparation of the ITP with the condition above. If not, please let me know what else we would need to do to proceed. Thanks again, Mike (Embedded image moved to file: picl9895.gif)Description: email dept logo Mike Grim, Senior Planner City of Carlsbad 1635 Faraday Avenue Carlsbad, CA 92008 www.carlsbadca.gov P: 760-602-4623 F: 760-602-8562 mike.grim@carlsbadca.gov Please consider the environment before printing this e-mail. Barbara Kennedy From: Mike Grim Sent: Thursday, August 04, 2011 2:40 PM To: Bill Plummer; Scott Donnell Subject: Wildlife Agency meeting - Maerkle Hydro Hi: I spoke with Janet Stuckrath from USFWS about the Maerkle Hydro project at our regular bimonthly Wildlife Agency HMP Implementation meeting yesterday. She thought that the previous letter referencing our take authoritv was equal to a declaration of no comments or issues. I confirmed that, if no habitat is cleared, then the City has the authority to "harass" (i.e. incidental take) the gnatcatcher(s) in the area without need of any mitigation - we would merely process an Incidental Take Permit (a one page form with information blanks to fill in and a signature - no public notice, no application, no fee, etc). She did have one stipulation on that arrangement: we will need to have a biologist survey the area prior to beginning of construction activities to verify that there are no active nests within 500 feet. If there aren't any nests then all we need to do is to make sure we don't damage any native vegetation in that area. If there are nests, we need to have a biologist on site during construction activities to monitor the birds for stress (e.g. flying off of their nests in response to loud noises). Since we have take authorization, and implementation of the take authorization without habitat impacts requires no mitigation, we do not need to do anything else with regard to the gnatcatcher and we could even start construction activities earlier in the nesting season (if there are no nests within 500 feet). Janet confirmed that there should be no nest building at the start of August so if a nest isn't there by then, we would be clear for the rest of the nesting season. I will send a confirmation of the details of the discussion to Janet for her confirmation so you can use that correspondence in your conversations with RECON. Bill: Janet did have a related request - she is getting bugged by people from Corolla Engineering about waiving some fee the engineers think is applicable. Janet has checked with several people in her office and they all agree that this is not considered a federal project and there is not a fee to waive. If you could tell them to stop calling Janet, that would be very much appreciated. Thanks, Mike .A ^ CI t r ot CARLSBAD Prope;tv k Lnviroiirnenta! Managemenl Mike Grim, Senior Planner City of Carlsbad 1635 Faraday Avenue Carlsbad, CA 92008 vyww.carlsbadca.gov P: 760-602-4623 F: 760-602-8562 mike.grim(5)carlsbadca.gov Please consider the environment before printing this e-mail. CITY OF CARLSBAD PLANNING DIVISION 1635 Faraday Avenue Carlsbad CA 92008 ENDANGERED SPECIES ACT INCIDENTAL TAKE PERMIT 1. Permit Number CIP 5025 2. Name of Permittee Carlsbad Municipal Water District 3. Name of Project Maerkle Hydroelectric Facility 4. Contact Name and Phone Number Mark Biskup 760-602-2763 5. Location Where Authorized Activity May Be Conducted Near the eastern terminus of Sunny Creek Rd., on the Carlsbad Municipal Water District Maerkle Reservoir property. 6. Other Related Entitlements none 7. Conditions of Permit A qualified biologist shall conduct pre-construction surveys for the coastal California gnatcatcher {Polioptila californica californica). If gnatcatchers are found within 500 feet of the construction area, a qualified biologist shall monitor gnatcatchers for stress during construction activities. If stress is detected, all construction shall immediately cease and the contractor and/or city shall contact the US Fish and Wildlife Service for consultation. No impacts to coastal sage scrub habitat are authorized under this Incidental Take Permit. Original to project file 1 copy each to applicant HMP Coordinator Preserve Steward Data entry SpSignature of City Planner Date: JT-fj-ZV Grim email Maerkle HMP consistency email 081011 Mike Grim <Mike.Grim@carlsbadca.gov> 08/10/2011 01:33 PM To Janet_Stuckrath <Janet_Stuckrath@fws.gov> cc Libby Lucas <ELucas@dfg.ca.gov>, Stephanie Rihl <srihl@dfg.ca.gov> bcc Subject Maerkle Hydroelectric Facility - HMP consistency Hi story: This message has been replied to. Hi Janet: Thanks for helping clarify the City's processing options with regard to the potential incidental take of CAGN associated with the Maerkle Reservoir Hydroelectric Facility building and pipe installation. Combining the information contained in your letter dated May 9, 2011 and our discussions at our HMP implementation meeting on August 3, 2011, I believe we can proceed with the project provided the following: 1. The City provides FWS and DFG with a letter describing how the proposed building construction and pipe installation is consistent with the HMP (e.g. not located within a preserve, no habitat impacts, adherence to adjacency standards such as lighting and erosion control). 2. The City issues an incidental Take Permit (ITP) for the potential harassment of CAGN during the nesting season. Since there are no habitat impacts associated with the project and all HMP consistency requirements are incorporated into the project description and construction documents, no mitigation measures need to be implemented. 3. The ITP is conditioned to require that a biologist survey the CSS habitat near the project area prior to beginning of construction activities to verify that there are no active nests within 500 feet. If there aren't any nests, then make sure the project doesn't impact any native vegetation in that area. If there are nests, have a biologist on site during construction activities to monitor the birds for stress (e.g. flying off of their nests in response to loud noises). Could you please let me know if I captured everything correctly? If so, I will prepare an HMP consistency letter and begin preparation of the ITP with the condition above, if not, please let me know what else we would need to do to proceed. Thanks again, Mi ke Mike Grim, Senior Planner City of Carlsbad 1635 Faraday Avenue Carlsbad, CA 92008 www.carl sbadca.gov P: 760-602-4623 F: 760-602-8562 mi ke.grim@carlsbadca.gov Please consider the environment before printing this e-mail Page 1 C City of Carlsbad Apr. 30, 2014 Ms. Janet Stuckrath U.S. Fish and Wildlife Service 2177 Salk Ave., Suite 250 Carlsbad, CA 92008 Ms. Stephanie Ponce California Department of Fish and Game 3883 Ruffin Rd. San Diego, CA 92123 SUBJEa: HMP CONSISTENCY FOR MAERKLE HYDROELEaRIC FACILITY Dear Ms. Stuckrath and Ms. Ponce: This letter details the HMP consistency for the Maerkle Hydroelectric Facility project. As previously discussed, the city is planning the installation of an 18 foot by 18 foot, 12 foot tall building to house pressure control hydroelectric equipment and an underground 10 inch pipeline on the Carlsbad Municipal Water District (CMWD) property near Maerkle Reservoir. The area of work includes a paved road, dirt area, and an area covered with mulch, ornamental plants, some individual native plants, and invasive plants (dominated by Saharan mustard). The expected duration of construction is four months. Below is a description of the project's compliance with the HMP. HMP Preserve As shown in Figure 1 (attached), the entire project footprint is located outside of the HMP preserve. The closest preserves are the city's Los Monos Hardline Preserve to the south and the Kato property Standards Area to the west. No HMP preserves occur north and east of the project area. Therefore, no adjustment to existing or future preserve boundaries is needed. Habitat Impacts Figures 2 and 3 (attached) show the location of the proposed building, excavation, and areas potentially used for construction equipment storage and staging. The project footprint lies completely within developed or disturbed areas and no impacts to habitats will occur. Therefore, no mitigation for habitat impacts, as described in Table 11 of the HMP, is required. Environmental Management 1635 Faraday Ave 1 Carlsbad, CA 92008 760.602.2799 Storm Water Hotline | stormwater@carlsbadca.gov (760-602-8562 fax Ms. Stuckrath and Ms. Ponce May 2, 2014 Page 2 Coastal Zone/Narrow Endemics/Special Species The project is located outside of the Coastal Zone and, therefore, not subject to the additional conservation standards for coastal zone properties described in Section D.7 of the HMP. There are no narrow endemic species or species with special considerations (i.e. least Bell's vireo, southwestern willow flycatcher, and Harbison's dun skipper) within or near the project footprint; therefore the minimization measures described in Section D.6 of the HMP do not apply. Adjacency Standards Section F.3 of the HMP describes the various measures needed to prevent negative effects potentially resulting from the development/habitat interface of the urban wildlife preserve system. These measures are grouped into five categories: fire management; erosion control; landscaping requirements; fencing, signs, and lighting; and predator and exotic species control. Below is a description of the project features as they relate to the adjacency standards measures Fire Management The proposed building is not deemed as habitable and, therefore, does not require the establishment and maintenance of any fire suppression zones. No clearing of native vegetation is required for fire management. Erosion Control All best management practices for erosion control during construction will be in place and all trenching will be backfilled. No cut or fill slopes are proposed with the project therefore, no post-construction erosion control measures are necessary. Landscaping Requirements Since the project only involves the construction of a building and underground pipes, no landscaping is proposed. Therefore impacts to the preserves from invasive, non-native species or cultivars from other geographic regions will occur. Fencing. Signs, and Lighting No fencing, signage or outdoor lighting is proposed with the project. Since the project does not involve residential or commercial land uses, and the entire property is secured by perimeter fencing and security gates, no control of human access to the preserve is needed. Ms. Stuckrath and Ms. Ponce May 2, 2014 Page 3 Predator and Exotic Species Control The project does not involve land uses that could introduce domestic animals and no landscaping is proposed, therefore there will be no exotic species impacts to the preserve as a result of the project. Coastal California Gnatcatcher The neighboring coastal sage scrub habitat within the adjacent preserve and outside of the preserve on the CMWD property is suitable for occupancy by the coastal California gnatcatcher. Therefore, the project specifications require that pre-construction surveys be conducted to locate any gnatcatchers near the project area. If gnatcatchers are found, they must be monitored for stress during construction activities. If stress is observed, construction shall immediately cease and the contractor and/or city shall contact the USFWS for consultation. Because there is a potential for harassment of the gnatcatcher, the city will issue an Incidental Take Permit (ITP) forthe potential take of gnatcatcher associated with the construction activities. The ITP will be conditioned with the survey, stop work, and consultation requirements described above. Given that the project is not located within an HMP preserve and will not cause direct or indirect habitat impacts, and an ITP will be issued to address any potential take of gnatcatcher by harassment due to construction activities, the Maerkle Hydroelectric Facility project is consistent with the HMP. Please feel free to contact me at 760-602-4623 or mike.grim@carlsbadca.gov if you have any questions. Sincerely, Michael Grir Senior Planner Attachments cc: Mark Biskup, Associate Engineer Barbara Kennedy, Associate Planner Rosanne Humphrey, ESA, Preserve Steward File Copy Figure 1 - Maerkle Hydroelectric Facility - Project Location and HMP Preserves SluOy/W^ Project Footprint I I R»fmw^l km pacts I I Twnpofafy Impacts FIGURE 4 Figure 2 - Maerkle Hydroelectric Facility - Project Footprint and Study Area Study Area Wgetatlon Communities/Land Cover Types Project Footprint I I Diegan Coastal Sage Scrub' I I Permanent Impacts Disturbed Diegan Coastal Sage Scrub* Disturbed Habitat Urban/Developed 3 Coastal Cakfoma Gnatcatchers {Poliapbia cakhmica califomics) femporary Impacts d>jB to tm omtmKma' i^matrtm^ ijt>-i ^imm ajfWy FIGURES Figure 3 - Maerkle Hydroelectric Facility - Biological Resources and Project Impact Areas CITY OF ^ 'Z-^j CARLSBAD PILE QQpy Memorandum September 29, 2011 To: William Plummer, Deputy City Engineer From: ^^f^arbara Kennedy, Associate Planner Via ^l^j^Oave de Cordova, Principal Planner Re: EA 11-16 - Hydroelectric Facility at Maerkle Thank you for submitting an Early Assessment for the installation of a pressure control hydroelectric generator (including underground piping) within an 18' x 18' pre-cast concrete building at the existing Maerkle Tank and Dam Reservoir located at the eastern terminus of Sunny Creek Road (APN 169-500- 05). According to the information we received, the site for the hydroelectric turbine generator and building was previously planned for in 1989 and the site was graded in 1990. In response to your application, the Planning Division has prepared this comment letter. Please note that the purpose of an Early Assessment is to provide you with direction and comments on the overall concept of your project. This Early Assessment does not represent an in-depth analvsis of vour proiect. It is intended to give vou feedback on critical issues based upon the Information provided in your submittal. This review is based upon the plans, policies, and standards in effect as of the date of this review. Please be aware that at the time of a formal application submittal, new plans, policies, and standards mav be in effect and additional issues of concern mav be raised through a more specific and detailed review. Planning: 1. General Plan and zoning designations for the property are as follows: a. General Plan: Open Space (OS) b. Zoning: Open Space (OS) 2. No discretionary permits are required for the project. The OS zone permits the construction of "other similar accessory uses and structures required for the conduct of the permitted uses". 3. The project is categorically exempt from CEQA as a Class 3 exemption pursuant to Section 15303 of the CEQA Guidelines - New Construction or Conversion of Small Structures. The Class 3 exemption applies to construction and location of limited numbers of new, small facilities or structures and installation of small new equipment and facilities in small structures. Planning staff will prepare a Notice of Exemption for the project. 4. It is important to note that the project site is within 500' of Coastal Sage Scrub that has the potential to be occupied by the California Gnatcatcher (CAGN). The project description indicates that construction is tentatively scheduled to occur from September 2012 through December 2012. Please be aware that GAGN breeding season is February 15*'' through September 15'^ If construction extends into the breeding season, there is a potential that the activities could result in indirect impacts that could adversely affect nesting birds. In order to address this concern, please add the following note to the plans: Community & Economic Development 1635 Faraday Ave. I Carlsbad, CA 92008 I 760-602-2710 I 760-602-8560 fax EA 11-16 - HYDROELECTRICTACILITY AT MAERKLE September 29, 2011 Page 2 If construction activities are proposed during the California Gnatcatcher (CAGN) breeding season (February 15'** through September is"') the following measures must implemented: • A qualified biologist shall conduct a focused species gnatcatcher survey in appropriate habitat within and surrounding the project area. The surveys shall consist of three visits, one week apart; the last of these will be conducted no more than three days prior to construction. • Surveys shall also be conducted by a qualified biologist in appropriate habitat for nesting raptors and migratory birds (including, but not limited to the least Bell's vireo) and within an additional 500-ft survey buffer within three days of construction. • The USFWS shall be notified immediately of any federally listed species that are located during pre-construction surveys. • If nests of listed birds, migratory birds, raptors, or other sensitive species are located, they shall be fenced with a protective buffer of at least 500 feet from active nests of listed species, and 300 feet from other sensitive bird species. All construction activity shall be prohibited within this area. • During the breeding season, construction noise shall be measured regularly to maintain a threshold at or below 60dBA hourly Leq within 500 feet of breeding habitat occupied by listed species. If noise levels supersede the threshold, the construction array shall be changed or noise attenuation measures shall be implemented. Land Development Engineering: 1. Please see the attached signed storm water questionnaire. A LID treatment will need to be added to treat roof runoff from the 18' x 18' turbine generator housing. Show the treatment design on the plans. Numeric sizing is not necessary. Small vegetated sump areas should suffice. 2. A grading permit is not required. All necessary application forms and submittal requirements are available at the Planning counter located in the Faraday Building at 1635 Faraday Avenue or online at www.carlsbadca.gov. You may also access the General Plan Land Use Element and the Zoning Ordinance online at the website address shown; select Department Listing; select Planning Home Page. Please review all information carefully before submitting. If you would like to schedule a meeting to discuss this letter with the commenting departments, please contact Barbara Kennedy at the number below. You may also contact each department individually as follows: • Planning Division comments: Barbara Kennedy, Associate Planner, at (760) 602-4626. • Land Development Engineering comments; David Rick, Associate Engineer, at (760) 602-2781. DD:BK:bd c: Don Neu, City Planner Scott Donnell, Senior Planner Bill Plummer, Deputy City Engineer David Rick, Associate Engineer File Copy Data Entry Bill Plummer From: Mike Grim Sent: Wednesday, August 10, 2011 1:57 PM To: Bill Plummer; Scott Donnell Subject: FW: Maerkle Hydroelectric Facility - HMP consistency Hi Bill and Scott: Please see below regarding the City's processing of the Maerkle Hydroelectric project and let me know if you need anything else to address the biological resources concerns expressed by RECON. Once they are on board, I will prepare the HMP Consistency letter and Incidental Take Permit. Thanks, Mike —Original Message— From: Janet_Stuckrath(5)fws.gov [mailto:Janet_Stuckrath(S)fws.gov] Sent: Wednesday, August 10, 2011 1:52 PM To: Mike Grim Cc: Libby Lucas; Stephanie Rihl Subject: Re: Maerkle Hydroelectric Facility - HMP consistency Mike, Yes, that seems to capture everything from the Service point of view. Janet Stuckrath U.S. Fish and Wildlife Service (760) 431-9440 ext. 270 (760) 431-5902 (fax) Mike Grim <Mike.Grim(S)carlsb adca.gov> To Janet_Stuckrath 08/10/2011 01:33 <Janet Stuckrath(5)fw5.gov> PM cc Libby Lucas <ELucas@dfg.ca.gov>, Stephanie Rihl <srihl(5)dfg.ca.gov> Subject Maerkle Hydroelectric Facility - HMP consistency Hi Janet: Thanks for helping clarify the City's processing options with regard to the potential incidental take of CAGN associated with the Maerkle Reservoir Hydroelectric Facility building and pipe installation. Combining the information contained in your letter dated May 9, 2011 and our discussions at our HMP Implementation meeting on August 3, 2011,1 believe we can proceed with the project provided the following: 1. The City provides FWS and DFG with a letter describing how the proposed building construction and pipe installation is consistent with the HMP (e.g. not located within a preserve, no habitat impacts, adherence to adjacency standards such as lighting and erosion control). 2. The City issues an Incidental Take Permit (ITP) for the potential harassment of CAGN during the nesting season. Since there are no habitat impacts associated with the project and all HMP consistency requirements are incorporated into the project description and construction documents, no mitigation measures need to be implemented. 3. The ITP is conditioned to require that a biologist survey the CSS habitat near the project area prior to beginning of construction activities to verify that there are no active nests within 500 feet. If there aren't any nests, then make sure the project doesn't impact any native vegetation in that area. If there are nests, have a biologist on site during construction activities to monitor the birds for stress (e.g. flying off of their nests in response to loud noises). Could you please let me know if I captured everything correctly? If so, I will prepare an HMP consistency letter and begin preparation of the ITP with the condition above, if not, please let me know what else we would need to do to proceed. Thanks again, Mike (Embedded image moved to file: picl9895.gif)Description: email dept logo Mike Grim, Senior Planner City of Carlsbad 1635 Faraday Avenue Carlsbad, CA 92008 www.carlsbadca.gov P: 760-602-4623 F: 760-602-8562 mike.grim(S)ca rlsbadca.gov Bill Plummer From: Christopher Grotwell [GCrotweli@carollo.com] Sent: Friday, June 03, 2011 5:43 AM To: Bill Plummer Cc: Tom Mossinger Subject: FW: Cadsbad Municipal Water District - Hydroelectric Project - Response from US EPA Region 9 Environmental Review Office Attachments: ICD_CoverLetter.doc; ICD.pdf See below from EPA. From: Fujii.Laura^epamail.epa.qov rmailto:Fuiii.LauraPepamail.epa.qovl Sent: Thursday, June 02, 2011 8:05 PM To: Christopher Crotwell Subject: Fw: Carlsbad Municipal Water District - Hydroelectric Project - Response from US EPA Region 9 Environmental Review Office Christopher Crotwell, PE Carollo Engineers | P:704-598-0918 x228 Dear Mr. Crotwell, PE I apologize for the late response. Your April 25, 2011 email message to Kathleen Goforth, Manager of the Environmental Review Office, has recently been forward to me for response. I do not recall receiving the referenced haitial Consultation Documents package in mid-January 2011. Given our high workload, we focus our review on environmental documentation developed pursuant to the National Environmental Policy Act (e.g., scoping notices, enviromnental assessments, environmental impact statements). The Environmental Review Office, Region 9, US Environmental Protection Agency, has reviewed the attached Initial Consultation Documents (ICD). Our review is pursuant to the National Environmental Policy Act (NEPA), Council on Environmental Quahty (CEQ) regulations (40 CFR Parts 1500-1508), and our NEPA review authority under Section 309 of the Clean Air Act. Our office has no formal comments on the ICD or proposed Carlsbad Municipal Water District small hydroelectric project at this time. If you have any questions, please call me at (415) 972-3852. Sincerely, Laura Fujii Region 9 US Environmental Protection Agency Environmental Review Office, CED-2 Communities and Ecosystems Division 75 Hawthorne St., San Francisco, CA. USA 94105 phone: 415-972-3852 fax:415-947-8026 fujii.Iaura(a).epa.gov —- Forwarded by Kathleen Goforth/R9/USEPA/US on 05/23/2011 10:06 AM - From; Christopher Crotwell <CCrotwell(5)carollo.com> To: Kathleen Goforth/R9/USEPA/US@EPA Date: 04/25/2011 01:41 PM Subject: Carlsbad Municipal Water District - Hydroelectric Project United States Department of the Interior FISH AND WILDLIFE SERVICE Ecological Services Carlsbad Fish and Wildlife Office 6010 Hidden Valley Road, Suite 101 Carlsbad, Califomia 92011 MAY 0 9 2011 In Reply Refer To: FWS-SDG-11 BO 152-11TA0263 Mr. William Plummer, PE Deputy City Engineer Carlsbad Municipal Water District 1635 Faraday Avenue Carlsbad Califomia 92008-7314 Subject: Proposed Pressure Control Hydroelectric Facility at Maerkle Reservoir, City of Carlsbad, San Diego County, Califomia Dear Mr. Plummer: This is in response to the undated letter, received in our office on January 14, 2011, from the City of Carlsbad (City) requesting comments on the proposed Pressure Control Hydroelectric Facility at Maerkle Reservoir. The primary concern and mandate of the Service is the protection of public fish and wildlife resources and their habitats. The Service has legal responsibility for the welfare of migratory birds, anadromous fish, and endangered animals and plants occurring in the United States. The Service is also responsible for administering the Federal Endangered Species Act of 1973 (Act), as amended (16 U.S.C. 1531 et seq), including habitat conservation plans developed under section 10(a)( 1) of the Act. The Multiple Habitat Conservation Program (MHCP) establishes a multiple species conservation program to minimize and mitigate habitat loss and the incidental take of covered species in association with specific activities covered by the program. The MHCP encompasses a 175 square mile area in northwestern San Diego County including Carlsbad, Oceanside, and five additional city jurisdictions. On November 12, 2004, the Service issued a section 10(a)(1)(B) pennit ("incidental take permit" or ITP) to Carlsbad for their Subarea Habitat Management Plan (HMP) under the broader MHCP. Your letter states that no endangered or threatened species or critical habitats are expected to occur within the project area. However, Diegan coastal sage scrub does occur within and adjacent to the project footprint and the federally listed Califomia gnatcatcher {Polioptila californica californica, "gnatcatcher") has been observed in the vicinity of Maerkle Reservoir. The City should ensure that the project is consistent with its HMP and submit a consistency determination to the Service and Califomia Department of Fish and Game for review. If the project is found to be consistent with the HMP, impacts to covered species, including federally listed species, would be authorized by the ITP issued to the City. Any subsequent consultations under section 7 of the Act for other Federal actions (e.g., funding or permitting by the Federal "TVvKE PRIDE NATURAL RESOURCES AGENCY (' ^ i WEDMUND G. BROWN, JR., GOVERNOR DEPARTMENT OF CONSERVATION DIVISION OF LAND RESOURCE PROTECTION 801KSTREET . MS 18-01 . SACRAMENTO, CALIFORNIA95814 PHONE 916 / 324-0860 . FAX 916 / 327-3430 . TDD 916 / 324-2555 • WEBSlTEconsejvatlon.ca.gov April 25, 2011 William Plummer, PE, Deputy City Engineer ^ ,,, Carlsbad Municipal Water District ' ' i' 5950 El Camino Real Carlsbad, CA 92008 Dear Mr. Plummer: Subject: City of Carlsbad Pressure Control Hydroelectric Facility at Maerkle Reservoir FERC Exemption Project The Department of Conservation's (Department) Division of Land Resource Protection (Division) monitors farmland conversion on a statewide basis and administers the California Land Conservation (Williamson) Act and other agricultural land conservation programs. The Division has reviewed the above mentioned project and has no comment. If you have questions, please contact Elliott Lum, Environmental Planner, at 801 K Street, MS 18-01, Sacramento, California 95814; or, phone (916) 324-0869. Sincerely, /2 Brian Leahy Assistant Director Division of Land Resotfrce Protection cc: Tom Missinger, PE, Project Manager Carollo Engineers, Inc 2700 Ygnacio Valley Rd., Suite 300 Walnut Creek, CA 94548 The Department of Conservation's mission is to balance today's needs with tomorrow's challenges and foster intelligent, sustainable, and efficient use of California's energy, land, and mineral resources. DEPARTMENT OF CONSERVATION DIVISION OF LAND RESOURCE PROTECTION lAHO Hf SOUHCt ffiOTECItON KS'RSti . HOi . iAC<AVt-j;C CAufOi<MA'-63'.: PHONE yi6.>;j;y..CF')i . FAX o t,..wx . -roo v 6..-':M-;'y!& . v/fBSnf t'>ri.<TO.i'oncoijo April 25, 2011 William Plummer, PE, Deputy City Engineer Carlsbad Municipal Water District 5950 El Camino Real Carlsbad, CA 92008 Dear Mr. Plummer: Subject: City of Carisbad Pressure Control Hydroelectric Facility at Maerkle Reservoir FERC Exemption Project The Department of Conservation's (Department) Division of Land Resource Protection (Division) monitors farmland conversion on a statewide basis and administers the California Land Conservation (Williamson) Act and other agricultural land conservation programs. The Division has reviewed the atjove mentioned project and has no comment. If you have questions, please contact Elliott Lum, Environmental Planner, at 801 K Street, MS 18-01, Sacramento, Califomia 95814; or, phone (916) .324-0869. Sincerely, 3 • / i Brian Leahy /Y"" Assistant Director () Division of Land Resource Protection cc: Tom Missinger, PE, Project Manager Carollo Engineers, Inc 2700 Ygnacio Valley Rd., Suite 300 Walnut Creek, CA 94548 Tiw Department oj Comervatioti .v mi.s.\ion is to balance itjJay's nei'ds with loinorrow's t.imUen^es and fo-iWr intt'liigt'ni, siislmnabU', ami effic it'nt u.se o/Californiu'.s cni'ixy, fcimi, and mineral rcsourcts. IN Ri;i>l.Y Rlil-l-R TO: SCAO-1500 PRJ-4.00 United States Department of the Interior BUREAU OF RECLAMATION .Soiilliem California Area OITice 277()X JelTerson Ave., .Suite 202 Temecula, CA 92590-2628 TAKE PRIDE iN^MERJCA Mr. William Plummer Deputy City Engineer Carlsbad Municipal Water District 1635 Farady Avenue Carlsbad, California 92008-7314 Subject: Initial Consultation Document - Proposed Pressure Control Hydroelectric Facility at Maerkle Reservoir, San Diego County, California Dear Mr. Plummer: Bureau of Reclamation staff reviewed the subject Initial Consultation Document and attended the joint agency meeting and site visit on February 17, 2011. The proposed project would install a hydroelectric facility at Maerkle Reservoir in San Diego County, California, taking advantage of existing conveyance pipelines and a pressure reducing station to generate up to 250 kilowatts of electicity. No Federal lands or facilities are involved. We have no comments on the Initial Consultation Document and no objections to the proposed project. We appreciate the opportunity to review the proposal. If you need more information, please contact me at 951 -695-5310 or by e-mail at wsteele(^usbr.gov. Sincerely, William J. Stfejfle Area Manager cc: LC-9300 ^^^^ Board of Directors VW j^l^ jjjHV^^^ TJ/^ MacKenzie, ^ W IRRIGATION :„r .^m SK/^^ DtS TR.iCr Richard L. Vasquez 139] Engineer Street • Vista, California 92081-8840 ^' ^'""'"'^ Phone: (760) 597-3100 • Fax.- (760) 598-8757 www.vid-h2o.org Administrative Staff Roy A. Coox April 7,2011 General Manager Eldon L Boone TT7M1- TM T^Ti Assistaot General Manager / Treasurer William Plummer, Pb ,. „ ^ . r i , . Lisa R. Soto Deputy City Engineer •* • ' BoardSecrelaiy Carlsbad Municipal Water District Joei D. Kuperberg 5950 El Camino Real " Carisbad, CA 92008 Subject: Proposed Hydroelectric Facility at Maerkle Reservoir Dear Mr. Plummer: The Vista Irrigation District (District) has received and reviewed the Initial Consultation Document regarding the above subject project forwarded by you on January 13, 2011. We offer no comment regarding this project, except to wish you well and observe that, on behalf of the District, we see no benefit to be gained by conducting further consultation. If you have any questions regarding this matter, please do not hesitate to contact me. y,eryjmly yours. Don A. Smith Director of Water Resources cc: Roy Coox, General Manager Brian Smith, Director of Engineering A piiiiUc agency serving the city (f Vista and portions of San Marcos, Escondido, Oceanside and San Diego County From: Pang, Thgmas To: Christopher Crotwell Subject: RE: Carlsbad Municipal Water District - Hydroelectric Project Date: Tuesday, April 05, 2011 4:31:49 PM Christopher, The Bureau of Indian Affairs has reviewed the FERC Initial Consultation Document, and we have no comments to offer at this time. Tom Dang Regional Engineer/Project Manager Irrigation, Power, Safety of Dams, FERC U.S. Bureau of Indian Affairs 2800 Cottage Way Sacramento, CA 95825 (916)978-6164 From: Christopher Crotwell [mailto:CCrotwell@carollo.com] Sent: Tuesday, April 05, 2011 11:54 AM To: Dang, Thomas Subject: Carlsbad Municipal Water District - Hydroelectric Project Tom, Thanks your time in discussing the Carlsbad Municipal Water District hydroelectric project's FERC requirements. I have attached the FERC Initial Consultation Document(ICD) that was sent to your attention. This was sent in mid Jan 2011. We are seeking a conduit exemption from FERC for this project. As part of the FERC process we must make a good faith effort to make sure the BIA does not have any comments on the project. If there are no comments, we would like to receive a letter to this effect as stated in the cover letter of the attachment. Please let me know if you have any questions. Thanks, Christopher Gr((i&iot)iief CroSweil. PE State of California - Tli Mroral Resources Agency Edmuri JKrown. jr.. Governor DEPARTIV1ENT OF FISH AND GAME John McCamman, Director South Coast Region 4949 Viewridge Avenue San Diego, CA 92123 (858) 467-4201 www.dfg.ca.qov March 7, 2011 Mr. William Plummer Deputy City Engineer Carlsbad Municipal Water District 5950 El Camino real Carlsbad, CA 92008 Subject: Comments on the Initial Consultation Document for a Proposed Pressure Control Hydroelectric Facility at Maerkle Reservoir, Carlsbad, California, San Diego County Dear Mr. William Plummer: The Department of Fish and Game (Department) has reviewed the above-referenced Initial Consultation Document (ICD) received on January 14, 2011. The comments provided herein are based on information provided in the ICD and associated documents. The Department is a Trustee Agency and a Responsible Agency pursuant to the California Environmental Quality Act (CEQA; Sections 15386 and 15281, respectively) and is responsible for ensuring appropriate conservation of the state's biological resources, including rare, threatened, and endangered plant and animal species, pursuant to the California Endangered Species Act (Fish and Game Code Section 2050 et seq.) and other sections of the Fish and Game Code. The Department also administers the Natural Community Conservation Planning (NCCP) Program. The Carlsbad Municipal Water District wishes to construct a hydroelectric facility consisting of an 18-foot by 18-foot concrete building that would house a turbine and associated controls to recover energy that is currently not stored by its existing pressure reducing system. The hydroelectric facility would flow either into the existing buried Maerkle Tank or into the Maerkle Dam Reservoir. The proposed site is next to a private road adjacent to the Maerkle pressure reducing station. The City of Carlsbad is currently participating in the NCCP program by implementing its Habitat Management Plan (HMP). Therefore, the project should be consistent with the City of Carlsbad's HMP. The Department has no additional comments at this time. However, we would request that the Department remain on the project contact list. Conserving California's WiCdCifeSince 1870 Mr. William Plummer 1 .=^1^ March 7, 2011 Page 2 of 2 We appreciate the opportunity to comment on the ICD for this project and to assist the Carlsbad Municipal Water District in ensuring that the proposed project is consistent with the City of Carlsbad's HMP. If you should have any questions or comments regarding this letter please contact Bryand Duke of the Department at (858) 637-5511. Sincerely, Edmund Pert Regional Manager South Coast Region cc: Janet Stuckrath, U.S. Fish and Wildlife Service, Carlsbad Bryand Duke, San Diego C I T Y OF O C E A IM S I O E WATER UTILITIES DEPARTMENT January 24, 2011 , City ofCarlshad c. • ' Public Works-finginecring 1635 Faraday Avenue Carlsbad, CA 92008-7314 Attention: William Plummer, Pf^ Proposed Pressure Control Hydroelectric Facility at Maerkle Reservoir Dear Mr. Plummer: This is in response to the Initial Consultation Documents for the Proposed Pressure Control Hydroelectric Facility at Maerkle Reservoir located at the Maerkle Reservoir site in Carlsbad, California. The City of Oceanside Water Utilities IDepartment does not have any comments or concerns in regards to the Maerkle Hydroelectric Facility. In addition, the Water Utilities Department is in concurrence with waiving the second and third stages of consultation with the Federal Energy Regulatory Commission (FERC). Should you have any questions regarding this matter, please do not hesitate to contact me at (760) 435-5812. Sincei;efy\ Greg Blakely Water Utilities Division Manager 300 NORTH COAST HIGHWAY • OCEANSIDE, CA 92054 • TELEPHONE 760-435-5800 • FAX 760-435-5814 t i City of Carlsbad Public Works - Engineering Advisory Council on Histonc Preservation, Western Office of Federal Agency Programs 1100 Pennsylvania Ave. NW, Ste. 803 Old Post Office Building Washington, D C 20004 Attention: Mr. John Eddins Subject: Initial Consultation Document Proposed Pressure Control Hydroelectric Facility at Maerkle Reservoir located at the Maerkle Reservoir site in Carlsbad, California Dear Mr. Eddins: As required by Federal Energy Regulatory Commission (FERC) regulation 18 CFR, Part 4, Section 4.38(b)(1), we are hereby submitting a copy of the Initial Consultation Document (ICD) for the Proposed Pressure Control Hydroelectric Facility at Maerkle Reservoir. We are also submitting copies of the ICD to those resource agencies listed on the attached sheets for their review and comment. The purpose of the ICD is to allow relevant resource agencies to review general information about the hydroelectric project, inform these agencies about potential effects of the project, and allow for any comments. Carlsbad Municipal Water District (CMWD) proposes to construct a hydroelectric facility at its Maerkle Reservoir site, which is non-federal land and is owned by CMWD. The hydroelectric facility would parallel an existing pressure reducing station that reduces the higher pressure from San Diego County Water Authority's Tri-Agencies Pipeline before it is discharged into either the 10.0 MG Maerkle Tank or 200 MG Maerkle Dam reservoir. CMWD then utilizes this water for its distribution system and ultimate use by its customers. The hydroelectric facility would utilize the flow and pressure from the Tri-Agencies Pipeline to produce up to 250 kilowatts of electricity. The turbine would discharge downstream of an existing pressure reducing station located adjacent to the 10 MG Maerkle Tank. A small building adjacent to the existing pressure reducing station is required to house the hydroelectric turbine. The building would be located on previously disturbed areas. Also, as required by FERC regulation 18 CFR, Part 4, Subpart D, Section 4.38(b)(2), The CMWD has scheduled a joint meeting to discuss the proposed project. The meeting is currently scheduled for Thursday, February 17, 2010 at 1:30 PM at the Water Conference Room located at: 5950 El Camino Real Carlsbad, CA 92008 1635 Faraday Avenue • Carlsbad, CA 92008-7314 • (760) 602-2720 • FAX (760) 602-8562 ^ a Mr. John Eddins Advisory Council on Historic Preservation, Western Office of Federal Agency Programs Jan. 13, 2011 Page 2 After a brief discussion of the project, the meeting will then be adjourned to the project site which is accessible from an entry gate located at the end of Applewood Lane in the City of Vista (see Exhibit G.2). If, after review of the ICD material, and there are no objections from the resource agencies, the CMWD intends to request that the FERC, pursuant to its authority, waive the second and third stage consultation requirements in 18 CFR, Part 4, Subpart D, Section 4.38(c) and allow the CMWD to proceed directly to filing of the Application for Exemption for Small Conduit Hydroelectric Facility with the FERC. CMWD would appreciate comments in a timely manner. Please address any comments to me. If you have no comments, please provide written acknowledgement ofthis. Additionally, if you are in concurrence with waiving the second and third stages of consultation, please add this in your letter. Please call me at 760-602-2768 or email (bill.plummer@carlsbadca.gov) with any questions. Sincerely, Cadsbad Municipal Water District William Plummer, PE Deputy City Engineer Enclosures: Joint Meeting Agenda Initial Consultation Document (ICD) cc: List of Addresses (attached) Carlsbad Municipal Water District Pressure Control Hydroelectric Facility at the Maerkle Reservoir Joint Agency Meeting February 17, 2011 1:30 PM to 3:30 PM Water Conference Room 5950 El Camino Real Carlsbad, CA 92008 AGENDA Power Point Presentation Introduction Applicant- Carlsbad Municipal Water District Engineer - Carollo Engineers Other Project Description Facilities Hydroelectric facility will be located at the Maerkle Reservoir: Address for gate access to site: Applewood Lane Vista, CA 92081 Construction Operation Environmental Concerns/protection Measures Questions Next Steps Site Visit (Optional) Mr. John Eddins Advisory Council on Historic Preservation, Western Office of Federal Agency Programs 1100 Pennsylvania Ave. NW, Ste. 803 Old Post Office Building Washington, D C 20004 Mr. Eric Becker California State Water Resources Control Board San Diego Region 9 9174 Sky Park Court, Suite 100 San Diego, CA 92124-1331 Ms. Leslie Newton-Reed California Department of Fish and Game, South Coast Region 4949 Viewridge Avenue San Diego, CA 92123 Mr. Milford Wayne Donaldson California Department of Parks & Recreation, Office of Historic Preservation 1725 23rd Street, Suite 100 Sacramento, CA 95816 Mr. Alan Schmierer National Park Service, Pacific West Region One Jackson Center, 1111 Jackson Street. Suite 700 Oakland, CA 94607 Ms. Janet Stuckrath U.S. Fish and Wildlife Service Carlsbad Field Office 6010 Hidden Valley Road Carlsbad, CA 92011-4219 Mr. Tom Dang U.S. Department of Interior, Bureau of Indian Affairs Pacific Regional Office 2800 Cottage Way Sacramento, CA 95825 Mr. William Steele U.S. Department of Interior, Bureau of Reclamation Southern California Area Office 27708 Jefferson Ave., Ste. 202 Temecula, CA 92590 Mr. Peter MacLaggen Poseidon Resources Corporation 501 W. Broadway, Suite 2020 San Diego, CA 92101 Mr. Brian Smith Vista irrigation District 1391 Engineer Street Vista, CA 92081 Mr. Greg Blakely City of Oceanside 300 N. Coast Highway Oceanside, CA 92054 Mr. Paul Gebert San Diego County Water Authority 4677 Overland Avenue San Diego, CA 92123 Ms. Kathleen Goforth U.S. Environmental Protection Agency, Region 9 75 Hawthorne Street San Francisco, CA 94105 Mr. Brian Leahy California Department of Conservation 801 K Street, MS 18-01 Sacramento, CA 95814 Mr. Henry M. Ramirez California Department of Water Resources, Southern District Hydropower License Planning & Compliance Office 1416 Ninth Street, Room 1155 Sacramento, CA 95814 BEFORE THE FEDERAL ENERGY REGULATORY COMMISSION INITIAL CONSULTATION DOCUMENT FOR EXEMPTION FOR SMALL CONDUIT HYDROELECTRIC FACILITY INTRODUCTORY STATEMENT Carlsbad Municipal Water District is applying to the Federal Energy Regulatory Commission for an exemption for the Pressure Control Hydroelectric Facility at Maerkle Reservoir, a small conduit hydroelectric facility that meets the requirements of 18 C.F.R. § 4.30(b)(28), from certain provisions of Part I of the Federal Power Act. The location of the facility is: State or Territory: California County: San Diego Township or nearby town: Carlsbad The exact name and business address of the applicant(s) is: Applicant's Name: William Plummer, PE, Deputy City Engineer Carlsbad Municipal Water District Address: 5950 El Camino Real Carlsbad, CA 92008 The exact name and business address of each person authorized to act as agent for the applicant(s) in this initial consultation document is: Name of Agent: Tom Mossinger, PE, Project Manager Name of Company: Carollo Engineers, Inc. Address: 2700 Ygnacio Valley Rd., Ste 300 Walnut Creek, CA 94548 Carlsbad Municipal Water District is organized under the Municipal Water District Law of 1911, Division 20 [commencing with Section 71000] of the California water code, and is a subsidiary district to the City of Carlsbad. Pursuant to section 30 of the Federal Power Act, 16 U.S.C. § 823 (2006), exemption from all of Part I of the Federal Power Act is requested. EVIDENCE OF APPLICANT OWNERSHIP; Carlsbad Municipal Water District has all of the real property interests in the lands necessary to develop and operate the project, such as a deed, option, or lease. Specifically, Carlsbad Municipal Water District has an ownership. Exhibit G and Appendix A contain documentary evidence of the applicant's interest in the lands, as required by 18 C.F.R. § 4,31(b)(2), 1 FEDERAL LANDS The Pressure Control Hydroelectric Facility at Maerkle Reservoir will not be located on federal lands. STATEMENT OF FEES REOUIRED TO DEVELOP SECTION 30(C) CONDITIONS: Carollo Engineers on behalf of Carlsbad Municipal Water District has contacted US Fish and Wildlife's Carlsbad field office, California Fish and Game, and the National Marine Fisheries Service about review of this project to develop its section 30(c) conditions and about waiving the fee for review. Upon submittal of the actual conduit exemption application this information will be available and be documented. EXHIBIT A (1) A brief description of any conduits and associated consumptive water supply facilities, intake facilities, powerhouses, and any other structures associated with the facility. The Carlsbad Municipal Water District (CMWD), a subsidiary district of the City of Carlsbad, gets a portion of its imported treated water from San Diego County Water Authority's (SDCWA) Tri-Agencies Pipeline Connection No. 3 (TAP3). The water from SDCWA is used to fill the Maerkle Tank and Maerkle Dam Reservoir. SDCWA wholesales treated imported water to twenty-four (24) member agencies in San Diego County. SDCWA gets its water from several sources: Metropolitan Water District of Southem California (MWD), and transfer agreements with agencies in the Coachella Valley and Imperial County. SDCWA receives the treated water from MWD, and the SDCWA's 100 million gallons per day (mgd) Twin Oaks Valley Water Treatment Plant. There are two sections of pipe connecting the SDCWA's Tri-Agencies Pipeline to the Maerkle Tank and Maerkle Dam Reservoir. From TAP3, the water is conveyed through a 21-inch diameter pipe which is approximately 4,800 feet in length. The pipe size is then increased to 42- inch diameter for a length of 92 feet where it connects to an existing pressure reducing station. The existing pressure reducing station consists ofal7ftx35ftxl2ft vault. The vault contains parallel piping. One pipe contains (3) pressure sustaining and reduction valves. The other pipe is currently isolated and is reserved for future pressure reducing valve installation to add future flow capacity. After the pressure is reduced through the pressure reducing station it normally flows to the 10 million gallon (MG) Maerkle Tank. Overflow from this tank flows to the 200 MG Maerkle Dam Reservoir. Water stored at the Maerkle Dam Reservoir can be pumped back into the 10 MG Maerkle Tank as needed. From the 10 MG Maerkle Tank water is fed by gravity to CMWD's water distribution system and ultimately to its customers for their use. The pressure in the Tri-Agencies Pipeline is relatively high compared to the pressure needed to fill the 10 million gallon (MG) Maerkle Tank and 200 MG Maerkle Dam Reservoir. Currently, the CMWD sustains the pressure of TAP3 at a constant pressure of 178 pounds per square inch (psig). The pressure is reduced to approximately 20 psig through a multi-stage pressure sustaining/reducing valves. The stored energy that is in the high-pressure water is not captured when the pressure is reduced with pressure-sustaining valves (PSVs). The CMWD desires to recover this energy by installing the Pressure Control Hydroelectric Facility (PCHF) in parallel with the multi-stage pressure sustaining/reducing station. From the pressure reducing station the water is conveyed through two parallel pipelines (42-inch diameter and 10-inch diameter) a length of approximately 928 feet to the 10 MG Markle Tank and 200 MG Maerkle Dam Reservoir. The powerhouse (hydroelectric facility) would consist of an 18 ft by 18 ft precast concrete building which would house the turbine along with electrical gear and controls. Piping would lead from upstream of the second pressure reducing valve at an existing blind flange to connect to the turbine. The outlet of the turbine would be routed to reconnect with the existing flow downstream of the pressure reducing/sustaining vault. Flow to the Maerkle Tank and Maerkle Dam reservoirs and users would remain unchanged. Refer to Exhibit G.3 for a drawing showing the piping configuration of the proposed hydroelectric facility. (2) The natural sources of water that supply the related conduit are: Imported water obtained from San Diego County Water Authority's Tri-Agencies Pipeline. (3) The purposes for which the conduit is used: The primary purpose of the existing conduit at the Maerkle Reservoir site is for treated water supply to the CMWD Tank and Dam as described above. The water eventually serves the CMWD customers by gravity from the Tank. (4) The number of generating units you are proposing, including auxiliary units, the capacity of each unit, and plans, if any, for future units: There are two Options for the hydroelectric facility. OPTION A would consist of one (1) generating unit and space for a future unit using a centrifugal reverse pump turbine or OPTION B which would just consist of one unit with no future units using a reverse rotary lobe turbine. For OPTION A the unit would be 135 kW and OPTION B would be 213 kW. See below for description of each turbine type. The selection will be determined after undergoing a life cycle cost analysis comparing the capital cost and power production of each type of unit. The selection will be made before the conduit exemption application is submitted. (5) The type of each hydraulic turbine: OPTION A would consist of a centrifugal reverse pump hydroelectric turbine. OPTION B would consist of a rotary lobe positive displacement reverse pump turbine. (6) A description of how the hydroelectric facility is to be operated, manually or automatically, and whether the hydroelectric facility is to be used for peaking: The hydroelectric facility is to be operated automatically and will not be used for peaking. The facility will normally be in operation 24 hours a day, 7 days a week. (7) Estimations of: (i) The average annual generation in kilowatt-hours: OPTION A: 833,000 kWhrs; OPTION B: 1,356,000 kWhrs. (ii) The average head of the hydroelectric facility: 300 feet. (iii) The hydraulic capacity of the hydroelectric facility (flow through the hydroelectric facility) in cubic feet per second: OPTION A: 6.75 cfs (maximum) OPTION B: 10 cfs (maximum) (iv) The average flow of the conduit at the hydroelectric facility or point of diversion (using best available data and explaining the sources of the data and the method of calculation): The average flow of the conduit for 2006 through 2008 was 7.8 cfs. This is based on flow meter readings from the TAP3 flow meter upstream of the proposed hydroelectric facility. Any additional flow above the turbine capacity will continue around the turbine facility through the existing pressure sustaining/reducing station. (v) The average amount of the flow described in paragraph (c)(7)(iv) ofthis section available for power generation: OPTION A: 6.75 cfs OPTION B: 7.8 cfs (8) The planned date for beginning construction of the facility: October 2011. (9) If the hydroelectric facility discharges directly into a natural body of water and a petition for waiver of 18 C.F.R. § 4.30(b)(28)(v) has not been submitted, evidence that a quantity of water equal to or greater than the quantity discharged from the hydroelectric facility is withdrawn from that water body downstream into a conduit that is part of the same water supply system as the conduit on which the hydroelectric facility is located. The hydroelectric facility will not discharge directly into a natural body of water. The hydroelectric facility will discharge into either the 10 MG Maerkle Tank or 200 MG Maerkle Dam Reservoir, which are treated water storage for the CMWD. From the Maerkle Tank the water continues to the CMWD's potable water distribution system by gravity. (10) If the hydroelectric facility discharges directly to a point of agricultural, municipal, or industrial consumption, a description of the nature and location of that point of consumption. The hydroelectric facility will discharge either into the 10 MG Maerkle Tank or 200 MG Maerkle Dam, which are treated water storage for the CMWD. From the Maerkle Tank the water continues to the CMWD's potable water distribution system and to CMWD's customers. (11) Although a dam may not be considered for hydroelectric purposes, occasionally a conduit project will be put into place at the same time construction for the hydroelectric facility's primary purpose occurs. If this is the case, please provide a description of the nature and extent of the construction of such a dam that would occur in association with construction of the proposed hydroelectric facility, including a statement of the normal maximum surface area and normal maximum surface elevation of any existing impoundment before and after that construction; and evidence that the construction would occur for agricultural, municipal, or industrial consumptive purposes even if hydroelectric generating facilities were not installed: A dam is not going to be constructed as a part of this project or at the same time. EXHIBIT E (1) A description of the environmental setting in the vicinity of the facility, including: • vegetative cover: The location of the proposed hydroelectric facility would be beside a private road adjacent to the Maerkle pressure reducing station. The existing vegetative cover in this area is disturbed bare soil. Refer to Exhibit G.3 for a map showing the proposed facility. The area in which the proposed hydroelectric facility building would be constructed contains little vegetation and is shown below in Figures 1 through 2. Some previously disturbed areas of coastal sage scrub may potentially be disturbed for pipe construction. An environmental study is currently being performed by an environmental consulting firm which will confirm this assumption. The results of this study will be provided in the FERC Conduit Exemption Application. Proposed Location of Power house (Hydroelectric Facility) Figure I - Looking Southeast Figure 2 - Looking Southwest from Top of Maerkle Tank fish and wildlife resources: We do not anticipate any effects to fish and wildlife due to lack of suitable native vegetation. There are no adjacent streams, rivers, ponds or wetlands. However, an environmental study is currently being performed by an environmental consulting firm which will confirm this assumption. The results of this study will be provided in the FERC Conduit Exemption Application. water quality and quantity: There will not be any effects to the water quality into the Maerkle Tank or Maerkle Dam reservoirs. Either type of turbine (OPTION A or OPTION B) will be NSF approved and will be direct piped to the existing Maerkle Tank or Maerkle Dam reservoirs feed piping. All lubricants for either option of turbine will be NSF approved as well. This water quantity does not affect any natural streams or wetlands, however, since the water is for use by CMWD's water customers. land and water uses: There are no streams, rivers, ponds or wetlands so there should be no water use effects. We do not anticipate any effects to the land use as well. An environmental study is currently being performed by an environmental consulting firm which will confirm this assumption. The results ofthis study will be provided in the FERC Conduit Exemption Application. • recreational use: Currently the land is public, but is restricted to agency personnel or agents only and enclosed in fencing. Recreational use by the public is not allowed on the Maerkle reservoir property. Therefore there are no effects to any recreational use. • socio-economic conditions: We do not anticipate any effects to the socio-economic conditions at the project site as the site is public land but restricted for water supply purposes and completely enclosed in fencing. However, an environmental study is currently being performed by an environmental consulting firm which will confirm this assumption. The results of this study will be provided in the FERC Conduit Exemption Application. • historical and archeological resources: We do not anticipate any effects to the historical and archeological resources in the project area because all construction will be in previously disturbed areas. Therefore these areas would have required environmental studies when the Maerkle Tank and Maerkle Dam Reservoir and appurtenant facilities and were designed and constructed. However, an environmental study is currently being performed by an environmental consulting firm which will confirm this assumption. The results of this study will be provided in the FERC Conduit Exemption Application. • visual resources: We do not anticipate any significant impacts to the surrounding area. The only aboveground construction will consist of a small precast concrete building, approximately 18 ft x 18 ft x 10 ft., which will be located down slope from Maerkle Tank. However, an environmental study is currently being performed by an environmental consulting firm which will confirm this assumption. The results of this study will be provided in the FERC Conduit Exemption Application. • endangered or threatened species, critical habitats (if none, state): We do not anticipate there being any endangered or threatened species or critical habitats in this area due to the lack of appropriate vegetation on the site. There is a small potential for coastal Califomia gnatcatcher to make use of adjacent disturbed coastal sage scrub habitat. An environmental study is currently being performed by an environmental consulting firm which will confirm this assumption. The results of this study will be provided in the FERC Conduit Exemption Application. t (2) A description of the expected environmental impacts resulting from the continued operation of an existing small conduit hydroelectric facility, or from the construction and operation of a new proposed hydroelectric facility, including a discussion of the specific measures proposed by the applicant and others {i.e. agencies) to protect and enhance environmental resources and to mitigate adverse impacts of the facility on them. There are no expected environmental impacts from the continued operation of the proposed hydroelectric facility or from construction and operation of the proposed hydroelectric facility because the facility will be constructed on previously disturbed areas. All pipe lines will be installed in previously disturbed ground. (3) A description of alternative means of obtaining an amount of power equivalent to that provided by the proposed or existing facility. The existing site utilizes power mainly for a pump station located south of the proposed hydroelectric facility. Power for this pump station and for several other small uses is provided by the grid. It is expected that on average the hydroelectric facility will produce more electricity than will be used by the pump station. Therefore, all electricity not utilized locally will be fed back into the grid. (4) Any additional information the applicant considers important. The hydroelectric turbine facility will produce over 800,000 kWhrs of clean renewable energy every year. EXHIBIT F 10 18'-0" 12"0 HYDROELECTRIC TURBINE (OPTION "A" SHOWN) SCALE: 1/4" = 1'-0" Exhibit F TURBINE BUILDING LAYOUT PRESSURE CONTROL HYDROELECTRIC FACILITY AT MAERKLE RESERVOIR CARLSBAD MUNICIPAL WATER DISTRICT EXHIBIT G 11 EXHIBIT G.1 - VICINITY MAP MAERKLE RESERVOIR PCHF CARLSBAD MUNICIPAL WATER DISTRICT 500 FT 1,000 FT EXHIBIT G.2 - LOCATION MAP Carlsbad Municipal Water District PCHF at Maerkle Reservoir 0 100 FT 200 FT EXHIBIT G.3 - PROJECT SITE PLAN 100 FT 200 FT Carlsbad Municipal Water District PCHF at Maerkle Reservoir