HomeMy WebLinkAbout3814; Cannon Road Reach 4; Cannon Road Reach 4 Preliminary Design Report; 2005-05-26§
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PRELIMINARY DESIGN REPORT
Cannon Road - Reach 4
Prepared for:
The City of Carlsbad
1 635 Faraday Avenue
Carlsbad, California 92008-731 4
Prepared by:
• RBF Consulting
•5005 Avenida Encinas, Suite 260
Carlsbad, California 92008
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G JN 55-100196 - May 26, 2005
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TABLE OF CONTENTS
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*" I. INTRODUCTION 1
II. BACKGROUND 1
III. TRAFFIC DATA 2
"2 IV. DEFICIENCIES AND JUSTIFICATION 2
V. DESIGN CRITERIA 3p
iy VI. PROJECT DESCRIPTION 4
<p A. Alternative Alignments 4
*^ B. Alternatives Withdrawn From Consideration 7
p C. Material Alternatives and Restrictions 7
D. Nonstandard Design Features 7
I E. Utilities 7
F. Landscaping and Irrigation 8
Q G. General Plan 8
-. H. Inter-Agency Considerations 8
• VII. PROJECT SCHEDULE 8
• VIII. PROJECT COSTS 8
IX. ENVIRONMENTAL PERMITS AND STUDIES 9
f X. UTILITIES 10
XI. INTER-AGENCY AGREEMENT 10
| XII. RIGHT OF WAY 11
XIII. PRELIMINARY ENVIRONMENTAL ANALYSIS REPORT 11
m XIV. RECOMMENDATIONS 11
XV. ATTACHMENTS 11E
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*. I. INTRODUCTION
,**• In the City of Carlsbad, Cannon Road is a fully improved four-lane divided roadway from
^ Carlsbad Boulevard east to El Camino Real. From El Camino Real easterly to
College Boulevard, Cannon Road is currently a two-lane divided highway, but this road
_, segment will be widened to a four-lane divided highway when adjacent land
development projects are constructed in the future. The City of Carlsbad's General Plan
*** Circulation Element calls for extending Cannon Road as a four-lane divided highway
from College Boulevard to a point approximately 1,200 feet west of Mystra Lane (Leisure
E Village Drive) in the City of Oceanside. This is the last reach of Cannon Road to be
constructed in Carlsbad and is referred to as Cannon Road Reach 4 (Reach 4).
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This study considers three alternative alignments and grades for Reach 4 from its
intersection with College Boulevard in the City of Carlsbad to its connection with Cannon
Road in the City of Oceanside. This road segment has a length of approximately 1.3
miles, is classified as a Major Arterial Highway in both Carlsbad and Oceanside, and has
also been completed as a four-lane divided highway in Oceanside.
On the west, Reach 4 begins relatively close to Agua Hedionda Lagoon, at an elevation
E of approximately 70 feet, and ends at an elevation of approximately 370 feet at its
intersection with Mystra Drive, at the easterly end. Any alignment selected for Reach 4
will have grades up to seven percent (the maximum grade permitted for a Major Arterial).
PL The three alignment alternatives considered are the Central Alignment - The Northern
™ Alignment, and the Southern Alignment. The Central Alignment follows the alignment
shown in the circulation element, which was originally studied by Carlsbad in the
P Calavera Hills Master Plan Environmental Impact Report (EIR) 98-02. However,
•I concerns were expressed at the time regarding noise impacts, and the division of
existing "open space". Therefore, the Northern and Southern Alignments were
m developed in an effort to address these issues.
ta II. BACKGROUND
Reach 4 is a vital element of the regional circulation system. Reach 4 provides the
necessary east-west connectivity for residents in Calavera Hills in the City of Carlsbad,
Shadowridge residents in the City of Vista and residents of eastern Oceanside. Existing
routes from this area to the west of College Boulevard is provided by SR-78 or by
Melrose Drive. When the Melrose Drive extension is constructed from the City of Vista to
Palomar Airport Road, residents in the eastern portion of North San Diego County will be
able to access Palomar Airport Road and the associated office and commercial uses
along that corridor and by-pass SR-78 and College Boulevard. The connection of
Cannon Road Reach 4 will further improve the connectivity to these compatible uses.
L The central alignment of Reach 4 was divided by Carlsbad into Reach 4A and 4B.
*l Reach 4A runs through property owned by Carlsbad Unified School District and was
certified by the City Council on January 15, 2002 in EIR No. 98-02. Reach 4B, although
f* analyzed, was not certified. This study analyszes two alternative alignments, one to the
• north and one to the south of the Central Alignment for the purpose of identifying the
best alternative with respect to environmental impacts, design features and cost.
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** III. TRAFFIC DATA
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Preliminary Traffic Studies for Cannon Road Reach 4 evaluated the need for the
extension of Cannon Road from College Boulevard to the eastern terminus in the City of
Oceanside. The needs assessment is based on traffic operations, both at the roadway
segment and intersection level. Impacts associated with building or not building the
roadway were assessed to determine the regional and local benefits of Cannon Road
Reach 4.
To assess the traffic patterns associated with the construction of Cannon Road, the
SANDAG Series 10 North County Sub-area traffic analysis model was used. The model
forecasts the horizon year (2020 and 2030) traffic volumes along Cannon Road and the
surrounding roadway network with and without the Cannon Road Reach 4 extension.
The extension was further evaluated as a two-lane and as a four-lane arterial. The City
Circulation Element has identified the future road as a four-lane major arterial,
corresponding to a maximum daily capacity of 40,000 vehicles per day.
Traffic modeling efforts conducted for this project illustrates that Cannon Road Reach 4
would benefit both City of Carlsbad and the region. The distribution of traffic from
Cannon Road Reach 4 onto the roadway network shows that trips from the proposed
extension will extend as far south into Carlsbad as the intersection of Poinsettia Lane
and Interstate 5. This roadway will provide a key linkage between residential uses in
Calavera Hills, Shadowridge, and eastern Oceanside and the office/commercial corridor
along Palomar Airport Road and Interstate 5. Currently these communities must rely on
Melrose Drive and State Route (SR)-78/l-5 to access the southern portion of the County.
The Cannon Road Reach 4 extension may also provide congestion relief for SR-78 and
the signalized intersection at SR-78/I-5 by providing an alternative parallel route to
Interstate 5.
The alternative alignments under consideration as part of this study will provide a shorter
path between Melrose Drive and El Camino Real than the existing routes available.
Therefore, alternative alignments affecting the length, topography or geometry of the
roadway do not affect the outcomes of this analysis.
Traffic volume projections for the year 2020 for Cannon Road Reach 4 are 27,300
Average Daily Trips (ADT). The a.m. peak hour projections are 771 eastbound and
836 westbound. The p.m. peak hour projections are 902 vehicles eastbound and
804 vehicles westbound. These volume projections result in a Level of Service (LOS) A
for the ADT and a.m. and p.m. peak hours.
IV. DEFICIENCIES AND JUSTIFICATION
Traffic modeling efforts conducted for this project illustrates that Cannon Road Reach 4
would benefit both the City of Carlsbad and the region. Based on the Intersection
Capacity Utilization (ICU) method used to determine Level of Service (LOS), 21
intersections are found to be deficient if Cannon Road Reach 4 is not constructed. This
compares to 16 intersections that were found to be deficient if Cannon Road Reach 4 is
constructed as a two-lane facility and 15 deficient intersections if Cannon Road Reach 4
is constructed as the currently planned four-lane facility.
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In most cases, feasible improvements can be made to improve the forecast operations
to acceptable levels of service (LOS D or better). However, if Cannon Road Reach 4 is
not constructed, some of the mitigation measures identified for the deficient intersections
such as Palomar Airport Road/El Fuerte Street may not be feasible.
Cannon Road Reach 4 is forecast to relieve some of the traffic along Melrose Drive
south of the proposed extension. The traffic modeling efforts show that without the
extension, additional traffic from the northeast county will utilize Melrose Drive, Faraday
Avenue and Palomar Airport Road to reach the western portion of the county.
Roadway segment operations show that although several roadway segments are
forecast to operate at LOS E or F based on the daily volume to capacity ratios, nearly all
segments operate at acceptable levels of service (LOS D or better) in the peak hour. It
should be noted that Carlsbad uses the peak hour segment analysis to assess the
operations of roadway segments throughout the City.
The results of this traffic analysis show that Cannon Road Reach 4 is the vital element of
the regional circulation system. Three alignments of this roadway will be considered,
however, all alignments under consideration will provide a shorter path between Melrose
Drive and El Camino Real than the existing routes available. Therefore, minor
modifications to the length, topography or geometry of the roadway are not anticipated to
affect the outcomes of this analysis.
V. DESIGN CRITERIA
Cannon Road Reach 4 is categorized as a major arterial. Following is a list of
"Street Design Criteria" that the City of Carlsbad uses for this street classification.
TABLE A
CITY OF CARLSBAD
STREET DESIGN CRITERIA
Design Speed
Minimum Spacing of Intersections
(including right-turn in/out)
Right-of-Way Width
Access to Adjoining Property
Curb-to-Curb Distance
Minimum Traffic Index
Minimum Structural Section
Stopping Sight Distance
Corner Sight Distance
Minimum Centerline Radius
Maximum Centerline Grade
(not through intersection)
Minimum Flowline Grade
50MPH
1,200-feet
102-feet
None
82-feetwith 18' median
8.5
5 "AC over 6"
430-feet
550-feet
1,400-feet(a)
7%
1.0%
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in NOTES: (a)Assumes no superelevations; includes standard crossfall.
f* (b)Stopping sight distance per Caltrans Highway Design Manual Topic 201 and
|ri Section 8 on page 8 of City Standard.
E (c)Corner sight distance per Caltrans Highway Design Manual Topic 405 and
Section 8 on page 8 of City Standards.
^ VI. PROJECT DESCRIPTION
*• A. Alternative Alignments
f» This report developed three alternatives alignments for Cannon Road Reach 4 referred
L to as the Central Alignment - the Northern Alignment, and the Southern Alignment. The
Central Alignment was originally studied in City EIR 98-02. At that time, concerns were
expressed regarding noise impacts, and the division of existing "open space". Therefore,
P a Northern and a Southern Alignment was developed in an effort to address these
iw issues.
p The Central Alignment
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The Central Alignment generally parallels a natural canyon, which lies to the south of the
roadway extension at a distance, which varies from 300 feet up to 700 feet. At its
easterly end the roadway extension passes over a small hill, and then descends slightly
to join the intersection with Mystra Drive (Leisure Village Drive).
The central alignment provides clearance away from the existing natural canyon at the
City limits with Oceanside. However, this portion of the road would require right of way
from the parking area of the New Venture Church, and redesign of the parking area.
The existing roadway would be abandoned southwest of the intersection with
Mystra Drive. As the road alignment proceeds westerly from Oceanside, it traverses
property owned by Paul K. TR Tchang, which is dedicated as "open space". It then
crosses property owned by State Fish and Game, which is designated as the Carlsbad
Highlands Conservation Bank. It finally ends along the alignment already certified by EIR
98-02 for Reach 4A.
The Central Alignment would require approximately 264,000 cubic yards of cut and
111,000 cubic yards of fill, with an excess of approximately 153,000 cubic yards of cut.
The length of the Central Alignment would .be approximately 6,650 feet (1.26 miles).
Although not required for the roadway, a bridge is assumed for a habitat crossing in the
cost estimate.
The Northern Alignment
The Northern Alignment swings to the north from the intersection of College Boulevard,
to pass north of a large hill with a prominent water reservoir (tank) on the crest of the hill.
Near its easterly end, the Northern Alignment passes over two hills, and then descends
to join the intersection with Mystra Drive. Like the Central Alignment, this alternative
would require right of way from the parking area of the New Venture Church, redesign
of the parking area, and abandonment of a portion of the existing roadway.
The encroachment onto New Venture Church property would be greater than the Central
Alignment. The alignment chosen maintains normal road design criteria while
proceeding as far north as possible. In addition, to New Venture Church, it crosses
property owned by State Fish and Game for the Carlsbad Highlands Conservation Bank
and property owned by Paul K. TR Tchang dedicated as "open space".
c Similar to the Central Alignment, a bridge is assumed in the cost estimate for a habitat
crossing. The Northern Alignment would require approximately 576,000 cubic yards of
pn cut, and 135,000 cubic yards of fill, with an excess of approximately 441,000 cubic yards
[ of cut. The length of the Northern Alignment would be approximately 7,100 feet
«* (1.35 miles).
f" The Southern Alignment
This alignment joins the existing terminus of Cannon Road in Oceanside. The Southern
p* Alignment then runs as close as possible to the northerly edge of the proposed Holly
^ Springs subdivision, but avoids encroaching on proposed development within the
subdivision. This alignment stays relatively close to the southerly edge of the natural
p canyon, which parallels the highway connection, but avoids encroaching into the canyon,
L except at the upper end where it joins the existing major arterial highway in the City of
Oceanside. This existing highway extends down a canyon below the existing New
p Venture Church, to a dead end approximately 1,150 feet southwest of the intersection
i with Mystra Drive (Leisure Village Drive). A large storm drain is located beneath this
* street, and discharges into the natural canyon, which will parallel Cannon Road Reach 4
on the north. Unlike the other alternatives, The Southern Alignment does not require anyEright of way from the church property, and involves only minimal adjustments in the
grade of the existing road, all of which would reduce the difference in elevation between
the roadway and the existing parking area of the church.
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This alignment would have a total length of approximately 7,000 feet (1.33 miles), of
which approximately 5,850 feet would be new construction, and approximately 1,150
E feet would consist of the existing highway in the City of Oceanside, which would be
utilized in the Southern Alignment. It would require a total amount of approximately
346,000 cubic yards of cut, and approximately 300,000 cubic yards of fill, with an excess
• of approximately 46,000 cubic yards of cut.
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The Southern alignment may include two bridges. The most westerly bridge would cross
the natural canyon approximately 1,200 feet east of College Boulevard, and would have
a length of approximately 500 feet. The second bridge (which could also be constructed
as an earth fill) would cross a side of the natural canyon approximately 1,700 feet from
the east end of the highway connection, and would have a span length of approximately
250 feet. Both bridges can also serve as a habitat crossing.
Design Features of All Alternatives
The table on the next page summarizes the design features of each alternative road
alignment. These features are also compared to the City's design criteria for a major
arterial road.
Cannon Road Reach 4
Alternative Alignment Comparison
DESIGN
FEATURES
Length Between Intersections - College Boulevard to
Mystra Drive (feet)
Length of New Construction (feet)
Maximum Grade (percent)
Length of Maximum Grade (feet)
Minimum Radius of Curve (feet)
Volume of Cut (cubic yards)
Volume of Fill (cubic yards)
Export (cubic yards)
Affects New Venture Church
Crosses Natural Stream
Design Speed (MPH)
Right-of-Way Width (feet)
Access to Adjoining Property
Curb-to-Curb Distance (feet)
Number of Concrete Bridges
DESIGN
CRITERIA
1,200'-min.
N.A.
7.0
N.A.
1,400
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—
—
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102
None
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CENTRAL
6,766
6,616
7.0
1,750
1,400
264,000
1 1 1 ,000
153,000
Yes
No
50
102
None
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NORTHERN
7,750
7,750
7.0
2,450
2,000
576,000
135,000
441,000
Yes
No
50
102
None
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SOUTHERN
7,747
6,350
7.0
1,550
1,400
346,000
300,000
46,000
No
Yes
50
102
None
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It* B. Alternatives Withdrawn From Consideration
f* No Build Alternative - Under the No Build Alternative, the proposed project site would
^ remain in its current condition. No roadway would be constructed.
C Based on the anticipated growth within the region, roadway traffic volumes within
Carlsbad are expected to increase. According to preliminary traffic studies,
implementation of the Cannon Road Reach 4 project would allow intersections in the
_, project vicinity to operate at a future LOS C (stable flow restricted by high volume) or
F better during AM Peak hours and LOS E (unstable) or better during PM peak hours
(RBF 2004). Without the project, estimated conditions at nearby intersections would be
at LOS F (forced flow) or better during AM and PM peak hours. Other improvements to
. intersections to mitigate impacts associated with the No Build Alternative would need to
•" be addressed in future environmental documents.
!** Other Alignments in EIR No. 98-02 - The Central Alignment was analyzed in EIR No.
IM 98-02 and the City Council certified the environmental review for the central alignment
across the Carlsbad Unified School District on January 15, 2002. The central alignment
jp is in approximately the same location as shown in the Circulation Element of the General
M Plan. A variety of alignments for Cannon Road were considered for EIR 98-02. The
alternatives that were eliminated were between the central and northern alignment. In
addition, the alignment that was similar to the central alignment and would not have
impacted New Venture Church was eliminated to avoid riparian/wetland impacts.
The State of California has purchased the land that the Central Alignment crosses.
As indicated in the Preliminary Environmental Analysis Report (PEAR) prepared by
EDAW, Inc., the land that this alignment crosses on State property currently supports
high quality native vegetation communities. The central alignment remains an alternative
because it has gone through environmental review and it is shown in the General Plan.
The Northern and Southern alignments were selected to avoid or minimize impact to the
habitat areas.
C. Material Alternatives and Restrictions
A combination of materials is available to the City for project construction. Materials such
as concrete, asphalt concrete, and various aggregates for road base material will be
selected based on consistency with standard City roadway design specifications.
Selected materials will be identified during the Plan Specification & Estimate (PS&E)
phase and indicated on project construction plans.
D. Nonstandard Design Features
There are no nonstandard design features proposed as part of the project.
E. Utilities
No new utilities are planned as part of the project at this time. Coordination with utility
f* providers will be conducted during the environmental phase of project development.
m Recycled water, which is available from the Carlsbad Municipal Water District, will be
utilized for temporary and permanent irrigation.
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F. Landscaping and Irrigation
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The project will include revegetation of disturbed areas with native plant materials and
temporary irrigation with recycled water to establish the landscaping. Median
landscaping will include permanent irrigation and planting in accordance with the City's
Landscape Manual.
G. General Plan
This project is shown in the Circulation Element of the City's General Plan.
H. Inter-Agency Considerations
The City of Carlsbad will be the Lead Agency with discretionary approval over the
proposed project and will be required to address the project's effect on the environment
in accordance with the provisions of the California Environmental Quality Act (CEQA)
prior to final project approval and solicitation of construction bid documents.
Upon completion of the environmental review process and prior to construction, the
proposed roadway widening improvements will be reviewed through standard City plan
check procedures to verify that the project conforms to all applicable City design criteria.
However, the northerly segment of Cannon Road Reach 4 is within the City of
Oceanside. This portion will require processing and approvals with the City of
Oceanside.
VII. PROJECT SCHEDULE
An EA/EIR is scheduled to begin preparation in June, 2005 and will require
approximately 18 months to complete. Final Design activities and construction can be
accomplished with an overall duration of an additional 36 months. Total timeframe for
development of Reach 4 is 54 months, or year 201 0.
VIII. PROJECT COSTS
The Engineer's Estimate of probable project cost, in 2005 dollars, for each alternative
alignment is presented in three tables at the back of this report. In summary, the project
costs are as follows:
TOTAL COST
Alignment
Northern Alignment
Central Alignment
Southern Alignment
Construction
$24,815,700
$18,023,800
$14,685,300
Engineering/
Admin/
Contingency
$12,408,000
$9,012,000
$10,024,900
total
Cost
$37.2 million
$27.0 million
$30.0 million
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IX. ENVIRONMENTAL PERMITS AND STUDIES
Several environmental permits and studies are anticipated for Reach 4. These are
described below for reference.
On November 15, 2004, the United States Fish and Wildlife Service (USFWS) issued the
City of Carlsbad a Section 10(a) Permit approving the City's Habitat Management Plan
(HMP). The permit allows for the incidental take of species listed as threatened or
p endangered under the federal Endangered Species Act (ESA). As part of the Section
i 10(a) Permit, the USFWS has finalized special terms and conditions for this permit,
which are included in the HMP.
IP*Issuance and compliance with a National Pollutant Discharge Elimination System
** (NPDES) permit from the San Diego Regional Water Quality Control Board (RWQCB),
(including developing and implementing a Storm Water Pollution and Prevention Plan
r* with Best Management Practices), will be required for all of the alternatives to reduce or
*M avoid indirect impacts associated with construction-generated fugitive dust, erosion,
sedimentation and runoff and post-construction runoff.
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fc. The California Department of Fish & Game (CDFG) is responsible for conserving,
protecting, and managing California's fish, wildlife, and native plant resources. To meet
p, this responsibility, the law requires any person, state or local governmental agency, or
jL public utility to notify the CDFG before beginning an activity that could substantially
adversely affect an existing fish and wildlife resource, a Lake or Streambed Alteration
Agreement is required.
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According to the Preliminary Environmental Assessment Report (PEAR), dated March
2005 (see Section XIV), the following studies will need to be performed:
1. Visual Resources
2. Water Quality
3. Floodplain Evaluation
4. Noise Study
5. Air Quality Study
6. Floodplain Evaluation
7. Wetlands Study
8. Section 4(f) Evaluation
9. Visual Impacts Study (aesthetics)
10. Traffic Study
11. Section 106 Study
12. Construction/Encroachment on State Lands Study
13. Construction/Encroachment on Federal Lands Study
14. Cultural
Archaeological Survey Report (ASR)
Historic Architectural Survey Report (HASR)
Historic Property Survey Report (HPSR)
Section 106 National Historic and Preservation Act/ (SHPO)
Native American Coordination
Other (Finding of Effect): (depending on if cultural resource sites are found within
the project area)
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15. Hazardous Waste
Initial Site Assessment (ISA) and Caltrans Hazardous Materials Study (CHMS)
Other: (Airily Deposited Lead (ADL), Underground Storage Tank (UST), and
Pesticide Testing)
16. Biological Study
Endangered Species Act (Federal) (Protection of Threatened and Endangered
Species)
Endangered Species (State)
Society Electronic Inventory of Rare and Endangered Vascular Plants of California
Species of Concern: California Native Plant Society (CNPS), U.S. Forest Service
(USFS), Bureau of Land Management (BLM), State (S), Federal (F)
Biological Assessment: U.S. Fish & Wildlife Service (USFWS), National Marine
Fisheries Service (NMFS), State
Wetlands
Natural Environment Study
NEPA 404 Coordination
17. Other Permits
Section 401 Permit Water Quality Provision of the Clean Water Act
Section 404 Permit of the Clean Water Act Permit for Protection of Wetlands and
Waters of the U.S. against any dredging or filling
Section 1601 Permit Coordination Streambed Alteration Agreement
Community Impact Study
Farmland
Section 4(f) Evaluation - (Protection of Publicly Owned Park, Recreation Area,
Wildlife or Waterfowl Refuge, or Land from Historic Sites)
Paleontology
Cumulative Impacts
NPDES Coordination
X. UTILITIES
Cannon Road Reach 4 is currently not a utility corridor, therefore it is not anticipated that
any utility agreements will be required in parallel with the alignment. However, at the City
limits with Oceanside, San Diego Gas and Electric have a large diameter high-pressure
natural gas pipeline that will be crossed by all alignment alternatives. This natural gas
pipeline will need to be protected or the profile adjusted to provide adequate clearance.
XI. INTER-AGENCY AGREEMENT
Due to the regional nature of this improvement, it is anticipated that there will be multiple
funding sources. Each funding source will require an agreement and City Council
action.
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XII. RIGHT-OF-WAY
The roadway and slope right-of-way areas for the three alternatives (northern, central,
and southern) are as follows:
Description
Roadway R/W
(Square Feet)
Slope R/W
(Square Feet)
Northern
Alternative
775,000
600,930
Central
Alternative
690,000
338,157
Southern
Alternative
603,380
443,401
XIII. PRELIMINARY ENVIRONMENTAL ANALYSIS REPORT
A Preliminary Environmental Analysis Report (PEAR) was prepared by EDAW, Inc. in
March, 2005. This report deals with the studies, which have been completed, and
makes recommendations for additional studies, which are expected to be needed.
Inasmuch as the extension of Cannon Road will cross principally agricultural land and
open space, the PEAR provides a detailed analysis of the effects on the existing
vegetation and wildlife of the three alternative alignments.
Other subjects dealt with include visual resources, water quality, noise, air quality,
paleontology, cultural resources, and hazardous waste.
The proposed project involves the construction of a four-lane roadway. The Circulation
Element of the Carlsbad General Plan designates this roadway as a major arterial street.
Based on the PEAR, the potential exists for adverse environmental impacts to biological
resources, including sensitive species, cultural resources, land use, and visual and
scenic resources. Impacts to other environmental resources may become apparent
through more detailed environmental analysis.
The appropriate level of environmental documentation for the project at this time is
regarded as an Environmental Assessment (EA) for the National Environmental Policy
Act (NEPA) and an Environmental Impact Report (EIR) for the California Environmental
Quality Act (CEQA). Compliance with NEPA is required because federal funding has
been requested.
The PEAR described technical studies that will be required for the environmental
document. The type of environmental documentation required for the project will be
determined by the funding source. If local funds are used, an EIR is required under
CEQA. If federal funds are used, an EA or EIS is required by NEPA. Certain studies are
required by NEPA that are not required by CEQA.
XIV. RECOMMENDATIONS
It is recommended that the EIR for Reach 4 incorporate all three alignment alternatives.
Additional preliminary engineering analysis and geotechnical assessment be conducted
for the Northern and Southern Alignment in order that it can be evaluated at the same
level of detail as the Central Alignment in the next phase of the project.
The recommended alignment will be identified as part of the EA/EIR.
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XV. ATTACHMENTS
p» Regional Map
L Vicinity Map
Cannon Road Reach 4 Study Area
Cannon Road Alternative Alignments
f Cost Estimate
•* Northern Alignment
Central Alignment
P Southern Alignment
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Figure 1
Regional Map
No Scale
Cannon Road Reach 4 PEAR
P:\2004\M080I18 Carlsbad Cannon Rd Environmental Svcs\6Graphics\Figl_rmap.flill (dbrady) 12/07/04
Cannon Road
Figure 2
Vicinity Map
I
I Northern Alternative
Central Alternative
Southern Alternative
Overpass
Source: Eagle Aerial. Nov 2003: RBF Engineering, 2005
600 300 0
Scale: 1:7,200; 1 inch = 600 feet
600 Feet
Figure 3
Alternatives
Cannon Road Reach 4 Study Area
Cannon Road Reach 4 PEAR
2W4\040801I8 Carlsbad Cannon Rd Environmental Svcs\!GIS\Mxd\altenta/ives I Ixl 7.mxd SPS3JZ6 1/25105
SCALE: 1" = 500'
0 250 500 1000
PLAN PREPARED BY:
RBr
I - • • S05° AVENIDA ENCINAS, SUITE 260
CARLSBAD, CALIFORNIA 92008
DATE
ENGINEER
INITIAL
DF WORK REVISION DESCRIPTION DATE
OTHER AP
INITIAL
PROVAL
DATE
CITY AP
INITIAL
PROVAL
SHEET
1 CITY OF CARLSBAD
ENGINEERING DEPARTMENT
SHEETS
10
IMPROVEMENT PLANS FOR:
CANNON ROAD REACH 4
ALTERNATIVES
APPROVED
CITY ENGINEER PE EXPIRES
OWN BY: PSC
OHKD HY- GW
RVWD BY: CW
PROJECT NO.
55100196
DATE
DRAWING NO.
X
p
m
CITY OF CARLSBAD
CANNON ROAD REACH 4
Northern Alternative
May 10. 2005
DESCRIPTION OF WORK UNIT PRICE QUANTITY ITEM COST
1 EARTHWORK
1.1 Mobilization (5%)
1 .2 Clear & Grub
1 .3 Excavation & Compaction
1 .4 Export
1 .5 Remedial & Corrective Grading
1 .6 Fine Grading
/ LS
$1,0007 AC
$27 CY
$57 CY
$27 CY
$0.25 / SF
31.59
49,500
522,900
144,000
573,500
$1,159,600
31,600
99,000
2,614,500
288,000
143,400
-Subtotal- $4,336,100
2 STRUCTURAL SECTION
2 . 1 Construct AC Pavement
2.2 Construct Curb & Gutter
2.3 Construct Median Curb
2.4 Construct PCC Sidewalk
2.6 Construct Concrete Median
$57 SF
$157 LF
$117 LF
$47 SF
$67 SF
465,000
15,500
15,500
77,500
0
2,092,500
232,500
170,500
310,000
0
-Subtotal- $2,805,500
3 TRAFFIC
3.1 Traffic Signal System/Intersection
3.2 Signing, Striping & Marking
3.3 Street Lights (Intersections only)
3.4 Traffic Control (2%)
$140,0007 EA
$47 LF
$4,000 7 EA
7 LS
0.50
7,750
4
$70,000
31 ,000
16,000
463,800
-Subtotal- $580,800
4 DRAINAGE
4.1 Catch Basin (include 18" RCP)
4.2 24" RCP
$6,5007 EA
$72 7 LF
24
7,750
$156,000
558,000
-Subtotal- $714,000
5 SPECIALTY ITEMS
5.1 Construct Bridge
5.2 Construct Median Landscaping/Parkway
5.3 Slope Landscaping
5.4 Erosion Control
5.5 Utility Protection
$1557 SF
$107 SF
$27 SF
$1,0007 AC
7 LS
83,070
217,000
600,900
31.59
$12,875,900
2,170,000
1,201,800
31,600
100,000
-Subtotal- $16,379,300
CONSTRUCTION SUBTOTAL $24.815.700
6 FEES
6.1 Design Engineering/Administration Costs(10%) $2,481,600
6.2 Construction Engineering Costs/Administration (15%) 3,722,400
6.3 Contingency (25%) 6,204,000
-Subtotal- $12,408,000
TOTAL PROJECT COST $37,224,000
$37.2 Million
c
r
Northern Alternative h:\pdata\55100196\admin\cost estimated 96ce_1 .xls
m
CITY OF CARLSBAD
CANNON ROAD REACH 4
Central Alternative
May 10, 2005
DESCRIPTION OF WORK
1
1.1
1.2
1.3
1.4
1.5
1.6
UNIT PRICE QUANTITY ITEM COST
EARTHWORK
Mobilization (5%)
Clear & Grub
Excavation & Compaction
Export
Remedial & Corrective Grading
Fine Grading
/ LS
$1,0007 AC
$27 CY
$57 CY
$27 CY
$0.25 / SF
22.45
94,140
14,600
66,000
486,660
$842,200
22,500
188,300
73,000
132,000
121,700
-Subtotal- $1,379,700
2
2.1
2.2
2.3
2.4
2.6
STRUCTURAL SECTION
Construct AC Pavement
Construct Curb & Gutter
Construct Median Curb
Construct PCC Sidewalk
Construct Concrete Median
$57 SF
$157 LF
$117 LF
$47 SF
$67 SF
407,150
13,232
13,250
61,050
2,900
$1,832,200
198,500
145,800
244,200
17,400
-Subtotal- $2,438,100
3
3.1
3.2
3.3
3.4
TRAFFIC
Traffic Signal System/Intersection
Signing, Striping & Marking
Street Lights (Intersections only)
Traffic Control (2%)
$140,000 7 EA
$47 LF
$4,000 7 EA
7 LS
0.50
6,616
4
$70,000
26,500
16,000
336,900
-Subtotal- $449,400
4
4.1
4.2
DRAINAGE
Catch Basin (include 1 8" RCP)
24" RCP
$6,500 7 EA
$72 7 LF
21
6,616
$136,500
476,400
-Subtotal- $612,900
5
5.1
5.2
5.3
5.4
5.5
SPECIALTY ITEMS
Construct Bridge
Construct Median Landscaping/Parkway
Slope Landscaping
Erosion Control
Utility Protection
$1557 SF
$107 SF
$27 SF
$1 ,000 7 AC
7 LS
69,630
155,220
338,160
22.45
$10,792,700
1 ,552,200
676,300
22,500
100,000
-Subtotal- $13,143,700
CONSTRUCTION SUBTOTAL $18.023.800
6
6.1
6.2
6.3
FEES
Design Engineering/Administration Costs(10%) $1,802,400
Construction Engineering Costs/Administration (15%) 2,703,600
Contingency (25%) 4,506,000
-Subtotal- $9,012,000
TOTAL PROJECT COST $27,036,000
$27 Million
Central Alternative h:\pdata\55100196\admin\cost estimate\196ce_1 .xls
c CITY OF CARLSBAD
CANNON ROAD REACH 4
Southern Alternative
May 10, 2005
DESCRIPTION OF WORK UNIT PRICE QUANTITY ITEM COST
1 EARTHWORK
1.1 Mobilization (5%)
1 .2 Clear & Grub
1 .3 Excavation & Compaction
1 .4 Export
1 .5 Remedial & Corrective Grading
1 .6 Fine Grading
/ LS
$ 1,0007 AC
$27 CY
$57 CY
$27 CY
$0.25 7 SF
24.80
330,000
16,000
86,500
470,000
$936,900
24,800
660,000
80,000
173,000
117,500
-Subtotal- $1,992,200
2 STRUCTURAL SECTION
2.1 Construct AC Pavement
2.2 Construct Curb & Gutter
2.3 Construct Median Curb
2.4 Construct PCC Sidewalk
2.6 Construct Concrete Median
$57 SF
$157 LF
$117 LF
$47 SF
$67 SF
381,000
12,700
12,700
63,500
0
1,714,500
190,500
139,700
254,000
0
-Subtotal- $2,298,700
3 TRAFFIC
3.1 Traffic Signal System/Intersection
3.2 Signing, Striping & Marking
3.3 Street Lights (Intersections only)
3.4 Traffic Control (2%)
$140,000 7 EA
$47 LF
$4,000 7 EA
7 LS
0.50
6,350
4
$70,000
25,400
16,000
374,800
-Subtotal- $486,200
4 DRAINAGE
4.1 Catch Basin (include 18" RCP)
4.2 24" RCP
$6,500 7 EA
$72 7 LF
20
6,350
$130,000
457,200
-Subtotal- $587,200
5 SPECIALTY ITEMS
5.1 Construct Bridge
5.2 Construct Retaining Wall
5.3 Construct Median Landscaping/Parkway
5.4 Slope Landscaping
5.5 Erosion Control
5.6 Utility Protection
$1557 SF
$35 7 SF
$107 SF
$27 SF
$1,0007 AC
7 LS
76,500
1,090
177,800
443,400
24.80
$11,857,500
38,200
1,778,000
886,800
24,800
100,000
-Subtotal- $14,685,300
CONSTRUCTION SUBTOTAL $20.049.600
6 FEES
6.1 Design Engineering/Administration Costs(10%) $2,005,000
6.2 Construction Engineering Costs/Administration (15%) 3,007,500
6.3 Contingency (25%) 5,012,400
-Subtotal- $10,024,900
TOTAL PROJECT COST $30,075,000
$30 Million
Southern Alternative h:\pdata\55100196\admin\cost estimateM 96ce_1 .xls
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