Final Supplemental 

Environmental Impact 

Statement and Subsequent 

Environmental Impact 

Report Volume 1 

Appendices 

State Clearinghouse No. 2010051001 

U.S. Department of 

Transportation 

Federal Transit Administration 

and the 

San Diego Association of 

Governments 

 

September 2014 

MID-COAST CORRIDOR TRANSIT PROJECT 

September 2014 

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List of Technical Reports in 

Support of Final SEIS/SEIR
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APPENDIX A LIST OF TECHNICAL REPORTS IN SUPPORT OF FINAL 

SEIS/SEIR (AS OF SEPTEMBER 12, 2014) 

The following technical reports and memoranda were prepared in support of the Supplemental 

Environmental Impact Statement and Subsequent Environmental Impact Report (SEIS/SEIR). 

These reports are available for download on the San Diego Association of Governments 

(SANDAG) Web site (www.SANDAG.org/midcoast) and for review at the offices of SANDAG at 

401 B Street, Suite 800, San Diego, California. The reports and memoranda also are available 

on digital video discs (DVDs) and can be obtained at the SANDAG offices. 

Many of the technical reports prepared in support of the Draft SEIS/SEIR have been updated to 

reflect the refinements to the Build Alternative and comments received on the Draft SEIS/SEIR 

or, including any new or additional analysis. The analyses and conclusions presented in some 

technical reports were not affected by the refinements to the Build Alternative or comments on 

the Draft SEIS/SEIR or the Mid-Coast Corridor Transit Project Supplemental Environmental 

Impact Statement/ Supplement to the Subsequent Environmental Impact Report (Supplement) 

(SANDAG, 2014ee); therefore, those reports did not require updates. Further studies 

undertaken as part of project development or in response to comments resulted in the 

preparation of new technical reports or memorandums. Technical reports that were not updated 

since the Draft SEIS/SEIR was circulated in 2013 are indicated with a “1

”; reports that are new 

are indicated with a “2

”. 

Mid-Coast Corridor Transit Project Air Quality Impacts Technical Report (2014)

Mid-Coast Corridor Transit Project Archaeological Resources Extended Phase 1 Investigation 

Results and Effects Assessment (2014)2, 3

Mid-Coast Corridor Transit Project Archaeological Resources Supplemental Research Report 

(2013)1, 3

Mid-Coast Corridor Transit Project Archaeological Resources Survey Report (2013)1, 3

Mid-Coast Corridor Transit Project Balboa Avenue Station Relocation Study Technical Memorandum 

(2014)2 

Mid-Coast Corridor Transit Project Biological Resources Technical Report (2014) 

Mid-Coast Corridor Transit Project Capital Cost Methodology and Estimate Report (2014) 

Mid-Coast Corridor Transit Project Construction Impacts Technical Report (2014) 

Mid-Coast Corridor Transit Project Construction Monitoring Plan (2014)2, 3

Mid-Coast Corridor Transit Project Cost Escalation Forecast (2014 to 2023) (2014) 

Mid-Coast Corridor Transit Project Cultural Resources Discovery Plan (2014)2, 3

Mid-Coast Corridor Transit Project Economic and Fiscal Impacts Technical Report (2014) 

Mid-Coast Corridor Transit Project Electromagnetic Field Impacts Technical Report (2014) 

 

1

 This document has not been updated since the Draft SEIS/SEIR was circulated in 2013. 2

 This is a new document since the Draft SEIS/SEIR was circulated in 2013. 

3 This document contains sensitive information regarding the location of archaeological sites and is not available to 

the public or other unauthorized persons. 
Appendix A – List of Technical Reports in Support of Final SEIS/SEIR 

 

1

 This document has not been updated since the Draft SEIS/SEIR was circulated in 2013. 2

 This is a new document since the Draft SEIS/SEIR was circulated in 2013. 

3

 This document contains sensitive information regarding the location of archaeological sites and is not available to 

the public or other unauthorized persons. 

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Mid-Coast Corridor Transit Project Energy Impacts Technical Report (2014)1 

Mid-Coast Corridor Transit Project Environmental Justice Technical Report (2014) 

Mid-Coast Corridor Transit Project Evaluation of Voigt Drive Alignment Options Technical 

Memorandum (2011) 1

Mid-Coast Corridor Transit Project Final Refined Build Alternative Report (2014)2 

Mid-Coast Corridor Transit Project Financial Plan (2014)

Mid-Coast Corridor Transit Project Geotechnical, Geologic, and Seismic Impacts Technical Report 

(2014)

Mid-Coast Corridor Transit Project Hazardous Materials Technical Report (2014) 

Mid-Coast Corridor Transit Project Historic Property Effects Report (2014) 

Mid-Coast Corridor Transit Project Historic Property Survey and Eligibility Determination Report 

(2013)1 

Mid-Coast Corridor Transit Project Jutland Drive Station Feasibility Study Technical Memorandum 

(2011) 1

Mid-Coast Corridor Transit Project Land Use Impacts Technical Report (2014) 

Mid-Coast Corridor Transit Project Noise and Vibration Impacts Technical Report (2014) 

Mid-Coast Corridor Transit Project Operating and Maintenance Cost Methodology and Estimate 

Report (2014) 1

Mid-Coast Corridor Transit Project Paleontological Survey Report (2014)1 

Mid-Coast Corridor Transit Project Property Acquisitions Impacts Technical Report (2014) 

Mid-Coast Corridor Transit Project Safety and Security Impacts Technical Report (2014)1 

Mid-Coast Corridor Transit Project Social, Community, and Neighborhood Impacts Technical Report 

(2014) 

Mid-Coast Corridor Transit Project Tecolote Road Station Layout Options Technical Memorandum 

(2014)2 

Mid-Coast Corridor Transit Project Transportation Impacts and Mitigation Report (2014) 

Mid-Coast Corridor Transit Project Travel Forecasting Results Report (2014)1 

Mid-Coast Corridor Transit Project Veterans Administration Medical Center Station Feasibility Study 

Technical Memorandum (2012) 1

Mid-Coast Corridor Transit Project Visual Impacts Technical Report (2014)

Mid-Coast Corridor Transit Project Water Impact Analysis Technical Report (2014)
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APPENDIX C AGENCY CORRESPONDENCE 

Section 4(f) 

City of San Diego Transportation and Stormwater Department to SANDAG, dated 

November 8, 2012. RE: Preliminary Concurrence with Section 4(f) Findings and 

Determinations .............................................................................................................. C-5 

City of San Diego Park and Recreation Department to SANDAG, dated February 15, 

2013. RE: Preliminary Concurrence with of Section 4(f) Findings and 

Determinations .............................................................................................................. C-6 

City of San Diego Transportation and Stormwater Department to SANDAG, dated April 

4, 2013. RE: Preliminary Concurrence with of Section 4(f) Findings and 

Determinations .............................................................................................................. C-8 

City of San Diego Transportation and Stormwater Department and SANDAG, dated 

February 5, 2014. Signed February 6, 2014. RE: Final Concurrence with 

Section 4(f) Findings and Determinations ............................................... ..................C-9

City of San Diego Park and Recreation Department and SANDAG, dated February 6, 

2014. Signed February 13, 2014. RE: Final Concurrence with Section 4(f) 

Findings and Determinations ..................................................................................... C-11

Section 7 

SANDAG to U.S. Fish and Wildlife Service, dated February 25, 2013. RE: Request to 

Initiate Section 7 Consultation for the Mid-Coast Corridor Transit Project .................. C-17 

FTA to U.S. Fish and Wildlife Service, dated June 12, 2014. RE: Section 7 Consultation 

for the Mid-Coast Corridor Transit Project .................................................................. C-27 

U.S. Fish and Wildlife Service to SANDAG, dated June 25, 2014. RE: Section 7 

Species List ................................................................................................................ C-29 

U.S. Fish and Wildlife Service to FTA, dated September 5, 2014. RE: Formal Section 7 

Consultation for the Mid-Coast Corridor Transit Project ............................................. C-41

Section 106 

FTA to California State Office of Historic Preservation, dated October 6, 2011. 

RE: Area of Potential Effects for the Mid-Coast Corridor Transit Project .................... C-87 

California State Office of Historic Preservation to FTA, dated October 28, 2011. 

RE: Concurrence with Area of Potential Effects for the Mid-Coast Corridor 

Transit Project ............................................................................................................. C-91 

FTA to California State Office of Historic Preservation, dated May 15, 2013. 

RE: Historic Properties Determined Potentially Eligible for Listing in the National 

Register of Historic Places ......................................................................................... C-93 
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California State Office of Historic Preservation, Department to FTA, dated August 2, 

2013. RE: Concurrence with Historic Architectural Properties Determined 

Eligible for Listing in the National Register of Historic Places ..................................... C-96 

SANDAG to Native American Heritage Commission, dated September 26, 2013. 

RE: Response to Draft SEIS/SEIR Comments .......................................................... C-98 

SANDAG to Ewiiaapaayp Band of Kumeyaay Indians, dated September 26, 2013. 

RE: Request for Section 106 Consultation and Response to Draft SEIS/SEIR 

Comments ................................................................................................................ C-101 

FTA to California State Office of Historic Preservation, dated February 24, 2014. 

RE: Determination/Finding for Archaeological Sites and “No Adverse Effect” 

Finding for NRHP-Eligible Historic Architectural Properties ...................................... C-103 

California State Office of Historic Preservation to FTA, dated April 9, 2014. 

RE: Concurrence with Finding of “No Adverse Effect” for the Undertaking .............. C-109 

Section 404 

SANDAG to U.S. Army Corps of Engineers, dated February 13, 2013. RE: Section 404 

Update and Request for Confirmation of Loss of Waters of the U.S. for the MidCoast Corridor Transit Project ................................................................................... C-113 

California Coastal Commission 

SANDAG to California Coastal Commission, dated May 21, 2014. RE: Coastal Zone 

Boundary Determination Request ............................................................................. C-121 

California Coastal Commission to SANDAG, dated May 30, 2014. RE: Coastal Zone 

Boundary Determination No. 03-2014 ....................................................................... C-123 

California Coastal Commission to SANDAG, dated September 17, 2014. RE: 

Mid-Coast Corridor Transit Project Boundary Determination .................................... C-126 

 
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Prepared by 

 

Mitigation Monitoring 

and 

Reporting Program 

September 9, 2014 

Mitigation Monitoring and Reporting Program 

September 9, 2014

Prepared by 

The San Diego Association of Governments (SANDAG) 
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Mitigation Monitoring and Reporting Program

Table of Contents

MID-COAST CORRIDOR TRANSIT PROJECT 

September 9, 2014 i 

Table of Contents 

1.0 MITIGATION MEASURES ............................................................................................. 1-1

2.0 REFERENCES ............................................................................................................... 2-1

List of Tables 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting 

Program .............................................................................................................. 1-3
Mitigation Monitoring and Reporting Program

Table of Contents 

MID-COAST CORRIDOR TRANSIT PROJECT 

ii September 9, 2014 

Abbreviations 

The following acronyms, initialisms, and short forms are used in this report. 

CEQA California Environmental Quality Act 

MMRP Mitigation Monitoring and Reporting Program 

SANDAG San Diego Association of Governments 

SEIS/SEIR Supplemental Environmental Impact Statement/Subsequent 

Environmental Impact Report 
Mitigation Monitoring and Reporting Program

Chapter 1.0 – Mitigation Measures

MID-COAST CORRIDOR TRANSIT PROJECT 

September 9, 2014 1-1 

1.0 MITIGATION MEASURES 

This Mitigation Monitoring and Reporting Program (MMRP) is for the Mid-Coast Corridor 

Transit Project in San Diego, California. The MMRP has been prepared in compliance 

with state and federal law and reflects the mitigation measures identified in the Mid-Coast 

Corridor Transit Project Final Supplemental Environmental Impact Statement and 

Subsequent Environmental Impact Report (SEIS/SEIR) (San Diego Association of 

Governments [SANDAG], 2014a). Mitigation measures are actions designed to avoid, 

minimize, or compensate for adverse or significant impacts. 

The California Environmental Quality Act (CEQA) and National Environmental Policy Act 

(NEPA) regulations require an enforceable mitigation and monitoring program for projects. 

CEQA Section 21081.6 and Section 15097(a) of the CEQA Guidelines requires public 

agencies to adopt a program for monitoring and reporting on the measures required to 

mitigate or avoid significant environmental impacts identified in the Final Environmental 

Impact Report. Under the National Environmental Policy Act regulations, a monitoring and 

enforcement program shall be adopted and summarized where applicable to any 

mitigation (40 Code of Federal Regulations 1505.2(c) and 23 Code of Federal Regulations 

771.27A). Under CEQA, the lead agency must adopt the MMRP when it makes its 

findings pursuant to CEQA so that the mitigation requirements can be made conditions of 

project approval. Consistent with these requirements, this MMRP ensures compliance 

with all mitigation requirements set forth in the Final SEIS/SEIR that have been 

determined to be feasible under the CEQA findings. Mitigation requirements are set forth 

in Table 1-1. In addition, the project includes project measures that would avoid or minimize 

project-related impacts. A consolidated list of these project measures is presented in 

Appendix E of the Final SEIS/SEIR. 

Table 1-1 includes a summary of the following information 

 Affected resources and mitigation measures: A description of the resources affected 

and the measures adopted to mitigate significant and adverse impacts on the 

environment. 

 Implementation responsibility: The entity responsible for implementing the mitigation 

measures, including SANDAG, the Design Contractor, and/or the Construction 

Contractor. 

 Monitoring procedure: A description of how compliance with the mitigation measures 

will be monitored or reviewed. 

 Monitoring responsibility: The entity or individual responsible for ensuring that the 

mitigation measures are implemented. 

 Implementation phase: The project phase or milestone during which the mitigation 

measures must be implemented. Phases include Engineering/final design (referred 

to as design), construction, and operation. The operation phase can be “prerevenue”– initial testing phase before service is open to the public, or “revenue 

service” – after testing is complete and service is open to the public. 
Mitigation Monitoring and Reporting Program

Chapter 1.0 – Mitigation Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

1-2 September 9, 2014 

 Report recipient: The agency to be notified when the mitigation measures have been 

implemented adequately. 

SANDAG shall be responsible for ensuring full compliance with the provisions of this 

program. This MMRP and subsequent mitigation reports will be kept on file in the offices 

of SANDAG at 401 B Street, Suite 800, San Diego, CA 92101. 
Mitigation Monitoring 

Chapter 1

MID-COAST CORRIDOR TRANSIT PROJECT 

September 9, 2014 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Prog

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

Transportation - Freeway and Roadway (Final SEIS/SEIR Section 3.4.2) TR1: Ash St and Pacific Hwy Add exit phase to serve vehicles traveling eastbound and 

westbound and pedestrians crossing Pacific Hwy 

 Modify existing signal phasing—change westbound left 

turns from first movement served to be served later in the traffic cycle 

Design Contractor and Construction Contractor 

Review design plans for compliance; verify in the field. 

SANDAG Deputy Project DirectorEngineering and SANDAG Deputy Project Director-- Construction 

Design, constrand pre-revenuoperation 

TR2: Ash St and Kettner Blvd  Add exit phase to serve vehicles traveling eastbound and 

westbound 

Design Contractor and Construction Contractor 

Review design plans for compliance; verify in the field. 

SANDAG Deputy Project DirectorEngineering and SANDAG Deputy Project DirectorConstruction

Design, constrand pre-revenuoperation 

TR3: Cedar St at Pacific Hwy  Modify existing signal phasing—vehicles making 

southbound left turns would be served first; vehicles traveling southbound would be served with northbound through and right-turn movements 

 Add exit phase to serve vehicles making southbound left 

turns first, followed by westbound vehicles; the exit phase also would serve pedestrians crossing Pacific Hwy 

 Lengthen southbound left-turn lane to 650 feet 

Design Contractor and Construction Contractor 

Review design plans for compliance; verify in the field. 

SANDAG Deputy Project DirectorEngineering and SANDAG Deputy Project DirectorConstruction

Design, constrand pre-revenuoperation 

TR4: Cedar St and Kettner Blvd 

 Add traffic signal (intersection is currently an all-way stopcontrolled intersection)  Add exit phase to serve eastbound and westbound 

vehicles 

 Add a 75-foot westbound left-turn lane (one does not 

currently exist) 

Design Contractor and Construction Contractor 

Review design plans for compliance; verify in the field. 

SANDAG Deputy Project DirectorEngineering and SANDAG Deputy Project DirectorConstruction

Design, constrand pre-revenuoperation 
Mitigation Monitoring and Reporting Program

Chapter 1.0 – Mitigation Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

1-4 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

TR5: Sassafras St at Pacific Hwy  Modify existing signal phasing—left turns on Sassafras 

St would have a protected turn phase (indicated by a green arrow) rather than yielding to vehicles traveling in the other direction

Design Contractor and Construction Contractor 

Review design plans for compliance; verify in the field. 

SANDAG Deputy Project DirectorEngineering and SANDAG Deputy Project DirectorConstruction

Design, construand pre-revenuoperation 

TR6: Sassafras St and Kettner Blvd 

 Modify existing eastbound approach geometry—rightturn lane would be modified to a shared through/rightturn lane with two receiving lanes on other side of 

Kettner Blvd, indicating that vehicles in that lane could turn right or continue through the intersection

Design Contractor and Construction Contractor 

Review design plans for compliance; verify in the field. 

SANDAG Deputy Project DirectorEngineering and SANDAG Deputy Project DirectorConstruction

Design, construand pre-revenuoperation 

TR7: Washington St and northbound Frontage Rd and Hancock St 

 Add exit phase to serve pedestrians and vehicles 

traveling eastbound and westbound 

 Modify existing limited-service phase during preemption 

so that the westbound left turn is served after the southbound through movement 

 Modify existing northbound approach geometry on the 

northbound Frontage Rd to include a dedicated left-turn lane, one shared left-turn/through lane, and one dedicated right-turn lane

Design Contractor and Construction Contractor 

Review design plans for compliance; verify in the field. 

SANDAG Deputy Project DirectorEngineering and SANDAG Deputy Project DirectorConstruction

Design, construand pre-revenuoperation 

TR8: Taylor St/Rosecrans St and Pacific Hwy 

 Add a second northbound right-turn lane  Reconfigure eastbound approach to have a third 

through lane 

 Realign southern sidewalk east and west of intersection 

to preserve existing dedicated bus-only lane 

 Add exit phase to serve vehicles making an eastbound 

left turn, vehicles traveling eastbound and westbound through the intersection, and pedestrians crossing Pacific Hwy 

 Lengthen northbound left-turn lane by 40 feet 

Design Contractor and Construction Contractor 

Review design plans for compliance; verify in the field. 

SANDAG Deputy Project DirectorEngineering and SANDAG Deputy Project DirectorConstruction

Design, construand pre-revenuoperation 
Mitigation Monitoring 

Chapter 1

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September 9, 2014 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

 Modify southbound approach geometry to include a 

second left-turn lane for general-purpose vehicles 

 Change westbound left-turn phase from first movement 

served to be served later in the traffic cycle 

TR9: Taylor St and Congress St 

 Add exit phase to serve vehicles traveling eastbound 

and westbound through the intersection 

Design Contractor and Construction Contractor 

Review design plans for compliance; verify in the field. 

SANDAG Deputy Project DirectorEngineering and SANDAG Deputy Project DirectorConstruction

Design, construand pre-revenuoperation 

TR10: Genesee Ave and Esplanade Ct/UTC Drwy 

 Modify westbound approach geometry to add a 

westbound left-turn lane, thus providing two left-turn lanes, one shared through/right-turn lane, and one exclusive right-turn lane 

Design Contractor and Construction Contractor 

Review design plans for compliance; verify in the field. 

SANDAG Deputy Project DirectorEngineering and SANDAG Deputy Project DirectorConstruction

Design, construand pre-revenuoperation 

Visual and Aesthetic Resource (Final SEIS/SEIR Section 4.4)VR1: The design of structures such as bridge columns, 

retaining walls, and sound walls within or adjacent to the Caltrans right-of-way would be compatible with Caltrans Design Guidelines, including those prepared for the I-5 North Coast Corridor Project. 

Design Contractor Review design 

plans for compliance. 

SANDAG Deputy Project DirectorEngineering and Deputy Project DirectorAdministration 

Design 

VR2: Other structure elements beyond walls and 

columns would take into account contextual design principles. New architectural features, such as stairs, ramps, elevators, aerial structures, support columns, screen walls, bridge rail, and station design elements, would be similar to or compatible with the visual character and quality of the surrounding area. 

Design Contractor Review design 

plans for compliance. 

SANDAG Deputy Project DirectorEngineering and Deputy Project DirectorAdministration 

Design 
Mitigation Monitoring and Reporting Program

Chapter 1.0 – Mitigation Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

1-6 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

VR3: Design plans developed for the project would 

include structure architectural design elements such as pilasters, recessed or raised concrete surfaces, and concrete surface treatments such as formliner textures and integrated colored concrete to reduce visual impacts associated with these elements. 

Design Contractor Review design 

plans for compliance. 

SANDAG Deputy Project DirectorEngineering and Deputy Project DirectorAdministration 

Design 

VR4: Landscape design plans would be developed for 

the project by a qualified landscape architect and coordinated with local agencies and property owners. A plant establishment period would be included in construction documents developed for the project. 

Design Contractor/ Landscape Architect 

Review landscape design plans for compliance; verify coordination with local agencies and property owners. 

SANDAG Deputy Project DirectorEngineering and Deputy Project DirectorAdministration 

Design and prrevenue opera

VR5: Where ornamental vegetation associated with 

maintained landscaped areas is affected, it would be replaced in-kind or with similar vegetation types and quantities contingent on the approval of the land owner.

Design Contractor/ Landscape Architect 

Review landscape design plans for compliance; verify land owner approval. 

SANDAG Deputy Project DirectorEngineering and Deputy Project DirectorAdministration 

Design and prrevenue opera

VR6: Where the project requires removal of trees and 

the removal results in adverse visual impacts, a tree replacement ratio of 2:1 for trees larger than 6 inches in diameter at chest height and a 1:1 ratio for trees smaller than 6 inches in diameter at chest height would be implemented contingent on the approval of the land owner. Specific tree replacement sizes, use of appropriate tree species, and consideration of native and low maintenance requirements would be determined by SANDAG in consultation with a qualified landscape architect and affected property owners. 

Design Contractor/ Landscape Architect 

Review landscape design plans for compliance. 

SANDAG Deputy Project DirectorEngineering and Deputy Project DirectorAdministration 

Design and prrevenue opera

VR7: All new plantings, regardless of location, would 

not include invasive plants or noxious weeds, but would include native and/or drought-resistant plants wherever appropriate. Replacement trees would not be planted in locations where their growth is likely to block a view corridor of a regionally important viewing scene. 

Design Contractor/ Landscape Architect 

Review landscape design plans and habitat restoration plans for compliance. 

SANDAG Deputy Project DirectorAdministration 

Design and prrevenue opera
Mitigation Monitoring 

Chapter 1

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September 9, 2014 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

Noise and Vibration (Final SEIS/SEIR Section 4.7)

N1: For Cluster 9 (Camden Tuscany Apartment Complex), lower the sound level of the grade crossing bells by at least 2 decibels or to the lowest level allowed by the CPUC, resulting in a mitigated noise level of 64 dBA Ldn. (West Cedar St Grade Crossing) 

SANDAG in coordination with MTS

Measure sound levels of crossing bells after adjusting level. 

SANDAG Deputy Project DirectorAdministration and Noise Consultant 

Pre-revenue o

N2: For Cluster 57 (La Paz Condominiums), install a sound wall (minimum 8 ft above top of rail) in front of the residential land use, resulting in a mitigated noise level of 56 dBA Ldn.(Station 572+60 to 574+90 [230 ft]) 

Design Contractor and Construction Contractor 

Review design plans for compliance; measure operational sound levels. 

SANDAG Deputy Project DirectorAdministration and Noise Consultant 

Design and construction; measurements soon as feasibthe first year orevenue opera

N3: For Cluster 59 (La Paz Condominiums), install a sound wall (minimum 8 ft above top of rail) in front of the residential land use, resulting in a mitigated noise level of 51 dBA Ldn. (Station 577+50 to 580+80 [330 ft]) 

Design Contractor and Construction Contractor 

Review design plans for compliance; measure operational sound levels. 

SANDAG Deputy Project DirectorAdministration and Noise Consultant 

Design and construction; measurements soon as feasibthe first year orevenue opera

N4: For Cluster 71 (Loft Apartments at the Shops at La Jolla Village shopping center) and Cluster 72 (Sheraton La Jolla Hotel), install a sound wall on the aerial structure in front of the Sheraton La Jolla Hotel such that the top of the sound wall is at least 4 ft higher than the highest point of rail activity, and the wall is sufficiently long to reduce impacts at the Loft Apartments at the Shops at La Jolla Village. This would result in a mitigated noise level of 51 dBA Ldn at the Loft 

Apartments and 55 dBA at the hotel. (Station 630+00 to 637+50 [750 ft]) 

Design Contractor and Construction Contractor 

Review design plans for compliance; measure operational sound levels. 

SANDAG Deputy Project DirectorAdministration, Noise Consultant 

Design and construction; measurements soon as feasibthe first year orevenue opera
Mitigation Monitoring and Reporting Program

Chapter 1.0 – Mitigation Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

1-8 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

VIB1: For Cluster 57 (La Paz Condominiums), install 

floating slab trackwork or similar measure in front of the residential land use for both the northbound and southbound tracks. A minimum 10-VdB reduction would be achieved at 25 hertz, fully mitigating the impact. (Station 571+90 to 575+50 [360 ft]) 

Design Contractor and Construction Contractor 

Review design plans for compliance. 

SANDAG Deputy Project DirectorEngineering, SANDAG Deputy Project DirectorAdministration, SANDAG Deputy Project DirectorConstruction 

Design and construction 

Ecosystems and Biological Resources (Section 4.8)

BIO1: On-site Mitigation: To the extent feasible, disturbed lands within or adjacent to the existing MTS right-of-way would be revegetated with wetland and Tier II–III vegetation communities. Revegetated areas would be maintained and monitored for approximately five years to ensure successful reestablishment of vegetation communities. 

Habitat Restoration Contractor 

Verify development and implementation of a restoration plan. 

SANDAG Deputy Project DirectorAdministration 

Design througmonitoring perrestoration 

BIO2: Off-site Mitigation: Where mitigation requirements cannot be accommodated within existing disturbed lands in the study area, impacts to wetlands and Tier II–III vegetation communities would be mitigated inside or outside of MHPA lands elsewhere within the County of San Diego (e.g., Sage Hill site). Off-site mitigation may include creation (establishing wetlands and Tier II–III vegetation communities in areas that are currently disturbed, developed, or supporting non-native vegetation communities) or enhancement (improving the quality of existing areas of wetlands and Tier II–III vegetation communities through removal of non-native species, establishment of native species, restoration of prior impacts, and protection from future disturbance).

SANDAG EMP Verify 

development and implementation of a restoration plan. 

SANDAG Deputy Project DirectorAdministration 

Design througmonitoring perrestoration 
Mitigation Monitoring 

Chapter 1

MID-COAST CORRIDOR TRANSIT PROJECT 

September 9, 2014 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

BIO3: Mitigation Credits: In addition to on-site and offsite mitigation, impacts to wetlands and Tier II–III vegetation communities may be mitigated through the purchase of mitigation credits. The purchase of mitigation credits result in the long-term preservation of vegetation communities within established mitigation banks where these communities have been created and/or enhanced and are maintained in perpetuity.

SANDAG EMP Verify purchase of 

mitigation credits. 

SANDAG Deputy Project DirectorAdministration 

Design 

BIO4: Any impacts that cannot be mitigated on-site or at the identified off-site mitigation sites, SANDAG will implement a combination of one or more of the following mitigation alternatives: mitigation bank credits; in-lieu fee program credits; on-site creation, restoration, or enhancement; and off-site creation, restoration, or enhancement. 

SANDAG EMP Verify purchase of 

mitigation credits or develop a restoration plan. 

SANDAG Deputy Project DirectorAdministration 

Design 

BIO5: Impacts to ephemeral basins occupied by San Diego fairy shrimp, including Basin II, would be mitigated at a 2:1 ratio through restoration and/or enhancement of vernal pools within west Otay Mesa on the 40-acre Anderprizes parcel, which was previously acquired for future mitigation of vernal pools and which has been approved by the USFWS for mitigation of impacts to San Diego fairy shrimp, or within another approved mitigation area acceptable to the USFWS. Restoration would be conducted at a minimum 1:1 ratio to achieve a no-net-loss of San Diego fairy shrimp habitat; a combination of restoration and enhancement would make up the remaining mitigation. Restoration would be conducted in accordance with a vernal pool restoration plan to be developed by SANDAG and subject to approval by the USFWS prior to project construction. 

SANDAG EMP Verify 

development and implementation of a vernal pool restoration plan. 

SANDAG Deputy Project DirectorAdministration 

Design througmonitoring pervernal pool res
Mitigation Monitoring and Reporting Program

Chapter 1.0 – Mitigation Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

1-10 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

Electromagnetic Interference (Section 4.14)EMF1: Project impacts to identified equipment that is sensitive to EMI at the UCSD SME Building and the Scripps Hospital XiMed Building would be mitigated through the use the split-power configuration system with a parallel feeder cable located below each track connected to the OCS wire intermittently with cable risers at OCS poles, rather than using the overhead messenger wires, in the areas near these buildings. In these areas, the feeder cables would be located in line with the centerline of the track (single-split power supply) in order to get feeder cable and return current (the rails) as close as possible and reduce the magnetic fields. 

Design Contractor and Construction Contractor 

Review design plans for compliance. 

SANDAG Deputy Project DirectorEngineering, EMF Consultant 

Design and construction 

Construction Impacts—Transportation (Section 3.4.7)

TCON1: Construct a temporary bicycle path adjacent to the construction site along the Rose Canyon Bicycle Path to maintain access and connectivity. During any short-term, intermittent closures, such as may be required for safety and at the time the temporary path is being constructed, provide informational signs and a detour route along local streets and pathways. 

Design Contractor and Construction Contractor 

Review design plans for compliance. 

SANDAG Deputy Project DirectorConstruction and SANDAG Deputy Project DirectorEngineering 

Construction 

TCON2: To offset parking loss at the VA Medical Center, SANDAG would implement one or more of the following measures in coordination with the institution: provision of valet parking, temporary restriping of other areas of their parking lot, issuance of transit passes to employees, and assistance with ridesharing programs for employees. 

Construction Contractor, SANDAG 

Review measures agreed to by SANDAG and the VA Medical Center for compliance with this measure. 

SANDAG Deputy Project DirectorConstruction 

Construction 
Mitigation Monitoring 

Chapter 1

MID-COAST CORRIDOR TRANSIT PROJECT 

September 9, 2014 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

TCON3: To offset parking loss at office and light industrial buildings, SANDAG would implement one or more of the following measures in coordination with the building management: joint-use parking arrangements with adjacent lots, provision of transit passes to employees, and assistance with ridesharing programs. If parking alternatives cannot be identified, the property owner would be compensated. 

Construction Contractor, SANDAG, and SANDAG Real Estate Acquisition Consultant 

Review measures agreed to by SANDAG and property owners for compliance with this measure; review temporary construction easements to verify they address this issue. 

SANDAG Deputy Project DirectorConstruction and SANDAG Legal 

Construction aproperty acqui

Construction Impacts—Noise and Vibration (Section 4.17)

CON1: The contractor would develop and implement a Noise Control Plan, approved by SANDAG prior to initiating construction. The plan would demonstrate how the contractor would reduce noise levels near sensitive noise receptors consistent with the city’s NoiseOrdinance. The plan would include analysis of construction noise based on measured background noise levels, a list of the major pieces of construction equipment that would be used, and predictions of the noise levels at the closest sensitive receivers (including residences, hotels, schools, churches, temples, and similar facilities where either outdoor or indoor activities would be sensitive to noise levels). The Noise Control Plan would include noise attenuation features as necessary, such as temporary sound walls, mufflers, and locating noisy equipment away from sensitive land uses. In addition, the plan would consider alternative construction methods when relevant. 

Construction Contractor 

Verify development and implementation of a Noise Control Plan. 

SANDAG Deputy Project DirectorAdministration and SANDAG Deputy Project DirectorConstruction 

Pre-constructiconstruction 
Mitigation Monitoring and Reporting Program

Chapter 1.0 – Mitigation Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

1-12 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

CON2: To reduce nighttime noise impacts to sensitive receivers on Charmant Drive, in the Cape La Jolla Gardens housing complex adjacent to I-5, and along Genesee Avenue, the contractor would provide noisereducing curtains or noise-masking machines where appropriate and approved by the occupant. Temporary lodging in an approved hotel would be offered by SANDAG to residents if, after implementation of noisereducing measures, nighttime construction noise is predicted to exceed the ambient noise levels for that area by 5 dBA. 

Construction Contractor and SANDAG Deputy Director-Construction 

Monitor noise levels during construction; verify implementation of noise-reducing measures and provision of off-site lodging. 

SANDAG Project Director 

Construction 

CON3: During final design, and where permission can be obtained, a qualified structural engineer would survey the existing foundation and other structural aspects of buildings located within close proximity (25 to 100 feet depending on construction activity and structure type) of the construction zone boundaries. Potholing or other non-destructive testing of the belowgrade conditions may be necessary to establish baseline conditions. Depending on anticipated construction activities, the survey report would identify buildings that could be affected by construction vibration. The qualified structural engineer would document in the survey report baseline conditions at all buildings that may be affected by construction vibration.The survey report would provide a shoring design to protect identified buildings from potential vibration damage. Alternatively, the structural engineer may recommend alternative construction methods that would produce lower vibration levels. Such measures would be implemented by the contractor at the direction of SANDAG and with the permission of the property owner. 

Design Contractor and Construction Contractor 

Verify property owners of structures in proximity to construction activity are contacted; verify completion of survey; review results and verify implementation of any shoring or alternative construction measures identified as a result of the survey. 

SANDAG Deputy Project DirectorEngineering and SANDAG Deputy Project DirectorConstruction 

Pre-constructiconstruction 
Mitigation Monitoring 

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September 9, 2014 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

Construction Impacts—Ecosystems and Biological Resources (Section 4.17)

CON4: Biologists would conduct nesting bird surveys not more than 72 hours prior to initiating constructionrelated ground-disturbing activities (i.e., grading or ground-clearing activities) during the breeding season (February 15 through August 31 for most species, and January 15 through August 15 for raptors, or as determined by a qualified biologist). Biologists would determine if active nests of special-status birds or bird species protected by the MBTA and/or the California Fish and Game Code 3503 are present in the disturbance zone or within 300 feet (500 feet for raptors) of the disturbance zone during the nesting/breeding season of native bird species potentially nesting on the site. Despite the lack of native habitat, similar pre-construction nesting bird surveys would be conducted at the four TPSSs located outside of the biological study area to the south of the OTTC to ensure the avoidance of native birds potentially nesting in urbanized areas. If ground-disturbing activities are delayed, then additional pre-disturbance surveys would be conducted such that no more than 72 hours would have elapsed between the survey and the initiation of ground-disturbing activities. 

SANDAG Biological Consultant 

Maintain log of pre-construction surveys demonstrating compliance. Verify implementation of any identified avoidance measures. 

SANDAG Deputy Project DirectorAdministration and SANDAG Deputy Project DirectorConstruction 

Pre-constructiconstruction 

CON5: If biologists find an active nest of a native bird species, then vegetation clearing, ground-disturbing activities, and construction equipment that generates high noise or vibration levels would cease and be postponed or halted at the discretion of the biologist in consultation with the CDFW. This work cessation would be effective within a buffer area from the nest at a distance appropriate to the sensitivity of the species and the distribution of the surrounding habitat (typically 300 feet for most species, up to 500 feet for raptors—the area 

Construction Contractor and SANDAG Biological Consultant 

Maintain construction monitoring log demonstrating compliance. Verify implementation of any identified avoidance measures. 

SANDAG Deputy Project DirectorAdministration, SANDAG Deputy Project DirectorConstruction, and SANDAG Biological Consultant 

Pre-constructiconstruction 
Mitigation Monitoring and Reporting Program

Chapter 1.0 – Mitigation Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

1-14 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

may vary depending on the types of vegetation surrounding the nest). Construction work would not resume until the biologist has determined that the nest is no longer active, the juveniles have fledged, and there is no evidence of a second attempt at nesting. Alternatively, a qualified biological monitor would be present full-time while construction is occurring within the buffer area to observe the nesting birds and would have the authority to halt or redirect construction if the birds exhibit signs of distress. Limits of construction around active nests would be established in the field with flagging, fencing, or other appropriate barriers; and construction personnel would be informed about the sensitivity of nest areas. The biologist would serve as a construction monitor during those periods when construction activities would occur near active nest areas to ensure that no inadvertent impacts to nesting birds occur. CON6: Vegetation clearing within suitable western red bat habitat would be avoided during the maternal roost season (May through August, or as determined by a qualified biologist) where feasible. Pre-construction surveys for roosting western red bat would be conducted within suitable habitat if construction would occur within or adjacent to suitable roost sites during the maternal roost season. If a roost is detected, passive exclusion would include monitoring the roost for three days to determine if the roost is vacated. If the roost is determined to support a reproductive female with young, the roost would be avoided until it is no longer active. If the roost remains active within the three monitoring days and supports a dispersing male but no breeding female or young, the foliage of the tree would be trimmed after the male has left the roost at dusk. The tree would be monitored again the following evening after the foliage has been trimmed to determine 

SANDAG Biological Consultant and Construction Contractor 

Maintain log of pre-construction surveys demonstrating compliance. Verify implementation of any identified avoidance measures. 

SANDAG Deputy Project DirectorAdministration and SANDAG Biological Consultant 

Pre-constructiconstruction 
Mitigation Monitoring 

Chapter 1

MID-COAST CORRIDOR TRANSIT PROJECT 

September 9, 2014 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

if any activity remains at that roost location. If there is no activity, the tree would be removed. If it cannot be determined whether an active roost site supports breeding females or males, the roost site would not be disturbed and construction within 300 feet would be postponed or halted until the roost is vacated and the young are volant. CON7: Focused surveys for the western mastiff bat maternity roosts would be conducted in the summer (May through August, or as determined by a qualified biologist) prior to construction, if feasible. Pre-construction surveys would be conducted by a qualified biologist no earlier than 30 days prior to initiation of bridge modification activities if summer surveys in advance of construction are infeasible, Preconstruction surveys would include the bridge section planned for modification and would be conducted using visual search and ultrasonic recording devices to determine if active roosts of the western mastiff bat are present on or within 300 feet of the bridge section subject to modification. These surveys would concentrate on the periods when roosting bats are most detectable (i.e., when leaving the roost between one hour before sunset and two hours after sunset) and take place over a period of three to five days. 

SANDAG Biological Consultant 

Maintain log of focused surveys demonstrating compliance. Verify implementation of any identified avoidance measures. 

SANDAG Deputy Project DirectorAdministration and SANDAG Biological Consultant 

Pre-constructiconstruction 

CON8: Temporary and humane exclusionary devices would be installed in the fall (September or October) preceding construction at those locations where summer surveys detected an active maternity roost for the western mastiff bat to avoid potential direct impacts. Prior to any exclusion measures being implemented to prevent bats from using an existing roost habitat, a qualified bat biologist would survey (e.g., visually and using an ultrasonic device to record bat calls in concert with sonogram analysis software) and identify nearby 

SANDAG Biological Consultant 

Maintain log of focused surveys. 

SANDAG Deputy Project DirectorAdministration and SANDAG Biological Consultant 

Pre-constructiconstruction 
Mitigation Monitoring and Reporting Program

Chapter 1.0 – Mitigation Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

1-16 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

alternative maternity colony roost sites. If any supplemental measures must be implemented to ensure successful exclusion of bats from an existing roost and/or the identification of alternative roosting habitat, all related assessments and monitoring must be conducted by a qualified bat biologist, with biological monitoring reports and findings provided to the CDFW. If construction activities must occur during the summer and pre-construction surveys have identified an active western mastiff bat maternity roost, the roost would not be disturbed and construction within 300 feet would be postponed or halted until the roost is vacated and juveniles have fledged. If construction activities must occur when bats are active and pre-construction surveys have identified nonbreeding bat hibernacula in portions of the Trolley Green Line Bridge subject to disturbance from bridge modification activities, the individuals would be safely evicted under the direction of a qualified bat biologist using appropriate means acceptable to the resource agencies (e.g., installation of one-way doors, foam filling of roosting locations when bats are not present, or plastic sheeting hung vertically). In situations requiring one-way doors, a minimum of one week would pass after doors are installed prior to concluding that the roost has been vacated. During this time, temperatures should be sufficiently warm for bats to leave the roost because bats do not typically leave their roost daily during winter months or on unseasonably cold nights in southern coastal California. In situations where the use of oneway doors is not necessary in the judgment of the qualified bat biologist, roosts that need to be removed would first be disturbed at dusk by various means at the direction of the bat biologist to allow bats to escape during the darker hours and access to the roost site would be excluded the next day (i.e., there would be one 
Mitigation Monitoring 

Chapter 1

MID-COAST CORRIDOR TRANSIT PROJECT 

September 9, 2014 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

night between initial disturbance and exclusion of the roost site). CON9: Temporary impacts to wetland vegetation communities would be mitigated at a 1:1 ratio, as shown in Section 4.8, Table 4-19, Table 4-20, and Table 4-21 of the Final SEIS/SEIR. The location and configuration of wetland vegetation communities within restoration areas in the San Diego River and Rose Creek would be adjusted to ensure that restored areas beneath bridges are limited to wetland communities that can tolerate reduced sunlight availability. Based on the presence of wetland vegetation communities under existing bridges over the San Diego River and Rose Creek, similar communities, including cismontane alkali marsh, mulefat scrub, and in some cases southern willow scrub, would be planted under the proposed bridges. Restored areas adjacent to the proposed bridges and that are not subject to long-term shading would be revegetated primarily with southern willow scrub. 

Habitat Restoration Contractor 

Verify development, approval, and implementation of a restoration plan. Prepare as-built and annual monitoring reports documenting compliance. 

SANDAG Deputy Project DirectorAdministration and SANDAG Biological Consultant 

Pre-constructiconstruction 

CON10: Impacts to Tier II (coastal sage scrub) and Tier IIIB (non-native grasslands) vegetation communities would be mitigated according to the mitigation ratios shown in Section 4.8, Table 4-19, Table 4-20, and Table 4-21 of the Final SEIS/SEIR. 

SANDAG EMP Verify 

development and implementation of a restoration plan. 

SANDAG Deputy Project DirectorAdministration 

Pre-constructiconstruction 

CON11: Temporary impacts to jurisdictional aquatic resources would be mitigated at a minimum 1:1 ratio through on-site restoration, subject to approval by the USACE, RWQCB, CCC, and CDFW during the permitting process. On-site restoration would include the restoration of pre-existing contours, elevations, and vegetation communities within areas temporarily disturbed as a result of construction activities in the San Diego River, Tecolote Creek, and Rose Creek. The location and configuration of wetland communities 

Habitat Restoration Contractor 

Verify development, approval, and implementation of a restoration plan. Prepare as-built and annual monitoring reports documenting compliance. 

SANDAG Deputy Project DirectorAdministration 

Pre-constructiconstruction 
Mitigation Monitoring and Reporting Program

Chapter 1.0 – Mitigation Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

1-18 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

within restoration areas in the San Diego River and Rose Creek would be adjusted to ensure that restored areas beneath bridges are limited to wetland communities that can tolerate reduced sunlight availability. Based on the presence of wetland communities under existing bridges over the San Diego River and Rose Creek, similar communities, including cismontane alkali marsh, mulefat scrub, and in some cases southern willow scrub, would be planted under the proposed bridges. Restored areas adjacent to the proposed bridges and that are not subject to long-term shading would be revegetated primarily with southern willow scrub. CON12: Construction-related noise levels in coastal California gnatcatcher occupied habitat within 500 feet of construction activity would not exceed 60 dBA Leq or 

pre-construction ambient noise levels, whichever is greater, during the breeding season. Project construction within 500 feet of occupied habitat would occur outside of the breeding season if possible. If necessary, construction activities during the breeding season would be managed to limit noise levels in occupied habitat within 500 feet of the project, or noise attenuation measures, such as temporary sound walls, would be implemented to reduce noise levels below 60 dBA Leq or below existing ambient noise levels, 

whichever is greater. 

Construction Contractor 

Review noise monitoring log; verify any required corrective actions are taken. 

SANDAG Deputy Project DirectorAdministration and SANDAG Biological Consultant 

Pre-constructiconstruction 
Mitigation Monitoring 

Chapter 1

MID-COAST CORRIDOR TRANSIT PROJECT 

September 9, 2014 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

CON13: To avoid potential adverse impacts to least Bell’s vireo and southwestern willow flycatcher from construction-related noise, project construction within 500 feet of occupied habitat would be timed to occur outside of the breeding season if feasible. If project construction within 500 feet of occupied habitat must occur during the breeding season, construction-related noise within the occupied habitat areas would not exceed 60 dBA Leq or pre-construction ambient noise 

levels, whichever is greater. If necessary, construction activities during the breeding season would be managed to limit noise levels in occupied habitat within 500 feet of the project or noise attenuation measures would be implemented to reduce noise levels below 60 dBA Leq or below existing ambient noise levels, 

whichever is greater. 

Construction Contractor 

Review noise monitoring log; verify any required corrective actions are taken. 

SANDAG Deputy Project DirectorAdministration and SANDAG Biological Consultant 

Pre-constructiconstruction 

CON14: To avoid potential adverse impacts to lightfooted clapper rail from construction-related noise, project construction within 500 feet of occupied habitat would be timed to occur outside of the breeding season if possible. If project construction within 500 feet of occupied habitat must occur during the breeding season, construction-related noise within the occupied habitat areas would not exceed 60 dBA Leq or preconstruction ambient noise levels, whichever is greater. 

If necessary, construction activities during the breeding season would be managed to limit noise levels in occupied habitat within 500 feet of the project or noise attenuation measures would be implemented to reduce noise levels below 60 dBA Leq or below existing ambient 

noise levels, whichever is greater. 

Construction Contractor 

Review noise monitoring log; verify any required corrective actions are taken. 

SANDAG Deputy Project DirectorAdministration and Biological Consultant 

Pre-constructiconstruction 
Mitigation Monitoring and Reporting Program

Chapter 1.0 – Mitigation Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

1-20 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

Construction Impacts—Archaeological Resources Impacts (Section 4.17)

CON15: Construction Monitoring: No archaeological resources eligible for listing in the NRHP or CRHR were identified or detected within the archaeological APE during Extended Phase I investigations; however, there exists a low potential to encounter unknown cultural materials given the landform context and depth of construction. As such, monitoring for both prehistoric and historic archaeological deposits would be conducted during ground-disturbing construction activities in designated monitoring areas of the project archaeological APE.

Monitoring would occur under the supervision of a DPA who meets the Secretary of the Interior’s Professional Qualifications Standards. The DPA and archaeological monitors would be subject to the approval of SANDAG and/or the FTA. Full-time cultural resources monitoring of all grounddisturbing activities within the archaeological APE would occur within 500 feet south of the San Diego River; within 500 feet north of the San Diego River; in designated portions of the Rose Canyon corridor; and in the portion of the archaeological APE located on the UCSD campus. Specific information regarding full time monitoring areas is detailed in the confidential Mid-Coast Corridor Transit Project Archaeological Resources Extended Phase I Investigation Results and Effects Assessment (SANDAG, 

2014b). Spot-check monitoring would occur within the archaeological APE in two areas: from the north bank of the San Diego River to 1,100 feet north of Sea World Drive, and in the Rose Canyon Corridor between Balboa Avenue and La Jolla Colony Drive. If the FTA determines that full-time or spot-check monitoring is needed in additional portions of the archaeological APE, 

monitoring would be provided in these additional areas. 

SANDAG Archaeology Consultant and Native American Monitor 

Review construction monitoring log; field-verify monitoring activities. 

SANDAG Deputy Project DirectorAdministration and SANDAG Deputy Project DirectorConstruction 

Pre-constructiconstruction 
Mitigation Monitoring 

Chapter 1

MID-COAST CORRIDOR TRANSIT PROJECT 

September 9, 2014 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

In areas where full-time monitoring is designated, “full-time monitoring” is defined as follows: A qualified archaeological monitor is required during the entire work day on a daily basis during all ground disturbance throughout the course of the project until a sufficient depth of excavation has been reached at which it is unlikely to encounter buried resources. The DPA will determine the actual depth of excavation at which monitoring may cease based on soil conditions observed in the field. “Spot-check monitoring” is defined as part-time monitoring to be conducted by a qualified archaeological monitor throughout the duration of project-related ground disturbance. Spot-check monitoring will include inspection of open excavations, grubbed areas, and excavation spoils. The frequency and duration of the spot checks will be based on field observations of exposed soils at the discretion of the DPA. In the event an unanticipated discovery of archaeological resources occurs during construction, the following measures would be implemented immediately following the discovery: 

 The archaeological monitor would halt all construction 

within a 50-foot radius of the find until the DPA can assess the significance of the find. 

 If the discovery is determined to be significant or 

potentially significant by the DPA, the following tasks would be undertaken: 

– Discussion with project engineers to determine if 

impacts can be avoided/minimized, including consideration of preservation in place 

– Recovery and analysis of archaeological material 

and associated data 

– Preparation of a data recovery report or other 

reports 
Mitigation Monitoring and Reporting Program

Chapter 1.0 – Mitigation Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

1-22 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

– Accessioning recovered archaeological material to 

an accredited archaeological repository, such as the San Diego Archaeological Center 

Archaeological monitor qualification requirements, detailed approaches to archaeological monitoring of various project elements, and the procedures to follow in the event that unanticipated archaeological resources or human remains are discovered would be defined in the Mid-Coast Corridor Transit Project Construction Monitoring Plan (SANDAG, 2014d) and the Mid-Coast 

Corridor Transit Project Cultural Resources Discovery Plan (SANDAG, 2014c) and would be submitted to SHPO for review and concurrence prior to the start of construction activities. A Native American monitor would be present at all areas designated for full-time and spot-check monitoring. This monitoring would occur on an asneeded basis and would be intended to ensure that Native American concerns are considered during the construction process. Native American monitors would be retained from Tribes who have expressed interest in the project and have participated in the Section 106 consultation process. Roles and responsibilities of the Native American monitors would be detailed in the Construction Monitoring Plan prepared for the project. 

CON16: Cultural Resource Awareness Training: Prior to, and for the duration of, ground disturbances, SANDAG would provide cultural resource awareness training to construction workers in accordance with the requirements listed in the Mid-Coast Corridor Transit Project Archaeological Resources Survey Report(SANDAG, 2013e). The training would describe appropriate measures for treatment and protection of cultural resources in compliance with the Secretary of the Interior’s Standards for the Treatment of Historic 

SANDAG Archaeology Consultant 

Check training log to verify training of all construction personnel. 

SANDAG Deputy Project DirectorAdministration and SANDAG Deputy Project DirectorConstruction 

Pre-constructiconstruction 
Mitigation Monitoring 

Chapter 1

MID-COAST CORRIDOR TRANSIT PROJECT 

September 9, 2014 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

Properties, and would include a discussion of applicable laws and penalties under the law, and samples or visual representations of artifacts that might be found in the project vicinity. The training would outline the steps that must be taken if cultural resources are encountered during project construction, including the authority of archaeological monitors to halt construction in the area of a discovery to an extent sufficient to ensure that the resource is protected from further impacts. The training would be conducted by a qualified archaeologist. A hard copy summary of cultural resource laws, discovery procedures, and contact information would be provided to all construction workers. It may be necessary to conduct the training in English and another language, particularly Spanish. If so, an individual proficient in both languages would be present to translate the training. Hard copy training summary cards would be produced in applicable languages to be distributed to all construction personnel. CON17: Treatment of Human Remains: In the unlikely event that human remains are uncovered during ground disturbances, California Health and Safety Code Section 7050.5 requires that no further disturbances occur until the County Coroner has made the necessary findings as to origin and disposition pursuant to PRC Section 5097.98. If the human remains are determined to be prehistoric, the coroner would notify the Native American Heritage Commission, which would determine and notify a Most Likely Descendant. The FTA, SANDAG, NCTD, and/or MTS would be notified immediately. Procedures to follow for the discovery of human remains would be included in the Discovery Plan. The plan would include provisions for preferred removal techniques, storage, and re-internment to the extent feasible. 

Construction Contractor and SANDAG Archaeology Consultant 

Verify compliance with California Health and Safety Code and implementation of Discovery Plan. 

SANDAG Deputy Project DirectorAdministration and SANDAG Deputy Project DirectorConstruction 

Pre-constructiconstruction 
Mitigation Monitoring and Reporting Program

Chapter 1.0 – Mitigation Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

1-24 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

Construction Impacts—Paleontological Resources Impacts (Section 4.17)

CON18: Paleontological Resources Monitoring and Mitigation Plan (PRMMP): Prior to final design and as a measure to protect significant paleontological resources, SANDAG would authorize a PRMMP to be prepared and implemented during construction. The PRMMP would be developed in accordance with the guidelines and requirements listed in the Mid-Coast Corridor Transit Project Paleontological Survey Report(SANDAG, 2014f).  Paleontological Awareness Training—Paleontological 

Awareness Training would be provided to construction workers involved in earthwork (excavation and grading) and foundation activities prior to the start of work on the project. Training would include a discussion of the laws protecting paleontological resources, the types of paleontological resources that could be encountered, and the procedures to be followed if a paleontological resource were discovered. 

 Paleontological Monitoring—Paleontological 

resources monitoring is recommended because of the potential for impacts on paleontologically sensitive geologic units and, therefore, potentially significant paleontological resources, during construction activities. Detailed procedures regarding monitoring would be presented in the PRMMP.  Monitoring between the Santa Fe Depot and the 

Nobel Drive Station—Full-time paleontological monitoring of project ground disturbance would be required between the Santa Fe Depot and the Nobel Drive Station because of the presence of highly sensitive geologic units. Paleontological monitoring for this area would be conducted as described in the Mid-Coast Corridor Transit Project Paleontological Survey Report (SANDAG, 2014f) as incorporated into the PRMMP. 

Construction Contractor and SANDAG Paleontology Consultant 

Track development and implementation of the PRMMP; check training log for construction personnel; review construction monitoring log. 

SANDAG Deputy Project DirectorAdministration and SANDAG Deputy Project DirectorConstruction 

Pre-constructiconstruction 
Mitigation Monitoring 

Chapter 1

MID-COAST CORRIDOR TRANSIT PROJECT 

September 9, 2014 

Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

 Monitoring between the Nobel Drive Station and 

the UTC Transit Center—Part-time paleontological monitoring of excavations would be conducted between the Nobel Drive Station and the UTC Transit Center. In the event that any unanticipated discoveries of significant fossils are made, full-time monitoring in this area would be required. Paleontological monitoring for this area would be conducted as described in the MidCoast Corridor Transit Project Paleontological Survey Report (SANDAG, 2014f) as incorporated into the PRMMP. 

 Unanticipated Discovery of Paleontological 

Resources—If an unanticipated discovery of 

paleontological resources occurs during construction anywhere along the alignment, the procedures described in the Mid-Coast Corridor Transit Project Paleontological Survey Report (SANDAG, 2014f) would be followed as incorporated into the PRMMP. 

 Data Recovery—In the event that paleontological 

resources are discovered, fossil specimens must be properly collected and sufficiently documented to be of scientific value. Data recovery would be conducted as described in the Mid-Coast Corridor Transit ProjectPaleontological Survey Report (SANDAG, 2014f) as incorporated into the PRMMP. 

 Technical Reporting—In the event that 

paleontological resources are discovered, a data recovery report would be prepared that documents the methods and results of monitoring and provides an analysis of the nature and significance of fossils recovered. The report would contain the contents as described in the Mid-Coast Corridor Transit Project Paleontological Survey Report (SANDAG, 2014f) as incorporated into the PRMMP. 
Mitigation Monitoring and Reporting Program

Chapter 1.0 – Mitigation Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

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Table 1-1. Mid-Coast Corridor Transit Project Mitigation Monitoring and Reporting Program (con

Affected Resource and Mitigation Measure 

Implementation 

Responsibility 

Monitoring 

Procedure 

Monitoring 

Responsibility 

Implement

Phase 

 Curation of Recovered Fossils—After the data 

recovery report is prepared, the fossil material recovered during project monitoring activities would be accessioned for curation to a recognized paleontological repository, such as the San Diego Natural History Museum. Arrangements to accession fossil material should be made with such a repository before monitoring begins so that the repository can inform the qualified monitoring paleontologist of requirements necessary to accession the fossil material. The data recovery report (see above) also will be submitted to the repository at which the fossils are curated. Curation would be conducted as described in the Mid-Coast Corridor Transit Project Paleontological Survey Report (SANDAG, 2014f) as incorporated into the PRMMP. 

Source SANDAG 2014 Notes: APE = Area of Potential Effects; Caltrans = California Department of Transportation; CCC = California Coastal Commission; CD

Department of Fish and Wildlife; CPUC = California Public Utilities Commission; CRHR = California Register of Historical Resou

decibel; DPA = Designated Project Archaeologist; EMF = electromagnetic field EMI = electromagnetic interference; EMP = EnvManager; FTA = Federal Transit Administration; I = Interstate; Ldn = day-night noise level; Leq = equivalent sound level; MBTA = 

MHPA = Multiple Habitat Planning Area; MTS = Metropolitan Transit System; NCTD = North County Transit District; NRHP = NPlaces; OCS = overhead contact system; OTTC = Old Town Transit Center; PRC = Public Resources Code; PRMMP = PaleonMonitoring and Mitigation Plan; RWQCB = Regional Water Quality Control Board; SANDAG = San Diego Association of GovernSupplemental Environmental Impact Statement/Subsequent Environmental Impact Report; SHPO = State Historic Preservation 

and Materials Engineering Building UCSD; TPSS = traction power substation; UCSD = University of California, San Diego; USAEngineers; USFWS = U.S. Fish and Wildlife Service; UTC = University Towne Centre; VA = Veterans Administration; Vdb = vib
Mitigation Monitoring and Reporting Program

Chapter 2.0 – References

MID-COAST CORRIDOR TRANSIT PROJECT 

September 9, 2014 2-1 

2.0 REFERENCES 

San Diego Association of Governments (SANDAG). 2014a. Mid-Coast Corridor Transit 

Project Final Supplemental Environmental Impact Statement/Subsequent 

Environmental Impact Report. 

San Diego Association of Governments (SANDAG). 2014b. Mid-Coast Corridor Transit 

Project Archaeological Resources Extended Phase I Investigation Results and 

Effects Assessment. 

San Diego Association of Governments (SANDAG). 2014c. Mid-Coast Corridor Transit 

Project Cultural Resources Discovery Plan. 

San Diego Association of Governments (SANDAG). 2014d. Mid-Coast Corridor Transit 

Project Construction Monitoring Plan. 

San Diego Association of Governments (SANDAG). 2014e. Mid-Coast Corridor Transit 

Project Archaeological Resources Survey Report

San Diego Association of Governments (SANDAG). 2014f. Mid-Coast Corridor Transit 

Project Paleontological Survey Report. 

 
Mitigation Monitoring and Reporting Program

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September 2014 

 Appendix E

Project Measures
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Appendix E – Project Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

September 2014 E-1 

APPENDIX E PROJECT MEASURES 

This appendix is a compendium of all project measures presented in the Mid-Coast Corridor 

Transit Project Final Supplemental Environmental Impact Statement/Subsequent Environmental 

Impact Report (SEIS/SEIR) and supporting technical reports. Project measures are 

incorporated as part of the project and consist of design features, best management practices 

(BMPs), or other measures (e.g., formation of plans to deal with hazardous materials) required 

by law and/or permit approvals, that avoid or minimize potential impacts. The appendix 

provides references to the source documents where appropriate to provide additional detail and 

context. Upon certification of the Final Supplemental Environmental Impact Report and 

adoption of the project, the San Diego Association of Governments (SANDAG) will ensure 

project measures are implemented during project design, planning, construction, and/or 

operation, as the context requires. As the project moves forward, SANDAG may authorize 

refinements to project measures to more appropriately address a particular issue, provided such 

modifications result in equal or greater effectiveness with regard to minimizing or avoiding 

potential impacts. 

E.1 Community and Neighborhoods 

 The proposed new Trolley stations would be designed to be consistent with the 

existing character of the surrounding communities and neighborhoods, and would 

support existing development. 

 Design of the UCSD West Station would be completed in coordination with UCSD to 

visually integrate the station with the Matthews Apartments, thus minimizing potential 

visual impacts. 

Sources: Chapter 4.0, Section 4.2.3.2 of the Final SEIS/SEIR and the Mid-Coast 

Corridor Transit Project Social, Community, and Neighborhood Impacts Technical Report

(SANDAG, 2014e) 

E.2 Socioeconomic and Fiscal 

 Property and business owners affected by acquisitions and displacements would be 

compensated consistent with the Federal Uniform Relocation Assistance and Real 

Property Acquisition Policies Act, as amended, the California Relocation Assistance 

Act, and SANDAG Board Policy No. 021. Refer to Chapter 5.0, Section 5.4.1 of the 

Mid-Coast Corridor Transit Project Property Acquisitions Impacts Technical Report

(SANDAG, 2014o) for additional information. 

 SANDAG would prepare a Real Estate Acquisition Management Plan to outline 

procedures for purchasing property and assisting relocations to ensure fair and 

equitable treatment of all property owners. Refer to Chapter 5.0, Section 5.4.1 of the 

Mid-Coast Corridor Transit Project Property Acquisitions Impacts Technical Report

(SANDAG, 2014o) for additional information on this plan. 

Sources: Chapter 4.0, Section 4.3.3.2 of the Final SEIS/SEIR and the Mid-Coast 

Corridor Transit Project Property Acquisitions Impacts Technical Report (SANDAG, 2014o) 
Appendix E – Project Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

E-2 September 2014 

E.3 Visual Resources and Aesthetics 

 The proposed new Trolley stations would be designed to be consistent with the 

existing visual character of the surrounding communities and neighborhoods, and 

would support existing development. 

 Design of the UCSD West Station would be completed in coordination with UCSD to 

visually integrate the station with the Matthews Apartments, thus minimizing potential 

visual impacts. 

 Traction Power Substations (TPSSs) 

– All TPSS enclosures located in highly urbanized and/or heavily traveled (vehicular or 

pedestrian) areas would be screened from public view with walls and/or vegetation. If 

walls are used, the material and design would be consistent with the existing visual 

character of the surrounding neighborhood. Additionally, TPSS enclosures would 

use the minimum footprint needed for operation and access. 

– All TPSS enclosures located in sensitive natural or public open space areas would 

also be screened from public view. Where appropriate, in sensitive natural open 

space areas, screening material would consist of native vegetation and would not use 

any non-native invasive species or noxious weeds. Screening vegetation for TPSS 

enclosures located near public open space areas, such as parks or public rights-ofway, and maintained by others would use ornamental plant material that is consistent 

with the surrounding or adjacent vegetation. 

 Lighting 

– At project stations and station areas, exterior lighting would include light fixtures for 

pedestrian safety, security, and signage. This lighting would be directed down and 

would minimize light trespass or spill-over into sensitive areas, such as residential 

neighborhoods, hotels, or medical facilities, using shielding where appropriate. 

Lighting levels would not exceed 2 foot-candles or more from the project area into the 

adjacent residential uses or other sensitive receptors. The project lighting would be 

designed to illuminate specific areas of the project site and station platforms, and the 

low level of lighting that would be visible from off-site locations would blend with the 

overall ambient glow that is associated with the immediate urban environment. 

Sources: Chapter 4.0, Section 4.4.3.2 of the Final SEIS/SEIR and the Mid-Coast 

Corridor Transit Project Visual Impacts Technical Report (SANDAG, 2014j) 

E.4 Noise and Vibration 

 If during final design the height of the retaining wall on the east side of Interstate (I-) 

5 becomes greater than one-tenth the distance to the nearest receivers on the west 

side of I-5, a sound-absorptive finish to the wall would be incorporated into the 

project design to eliminate or substantially reduce traffic noise reflections. 

Sources: Chapter 4.0, Section 4.7.3.2 of the Final SEIS/SEIR and the Mid-Coast 

Corridor Transit Project Noise and Vibration Impacts Technical Report (SANDAG, 

2014p) 
Appendix E – Project Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

September 2014 E-3 

E.5 Ecosystems and Biological Resources 

 During final design, the project’s footprint would be further reviewed and, where 

possible, the footprint would be minimized to reduce impacts to wetlands and 

vegetation. 

 Features would be added to the San Diego River Bridge to make it more “bat 

friendly.” Refer to Chapter 4.0, Section 4.8.4.2 of the Final SEIS/SEIR for additional 

information. 

 The concrete-lined channel has been designed with a slight inclination toward the 

center of the channel. The majority of riprap placed at the upstream and 

downstream ends of the proposed channel would not be grouted, which would allow 

sediment to fill gaps, creating a more natural surface for wildlife to cross. Refer to 

Chapter 4.0, Section 4.8.4.2 of the Final SEIS/SEIR for additional information. 

Sources: Chapter 4.0, Section 4.8.3.2 of the Final SEIS/SEIR and the Mid-Coast 

Corridor Transit Project Biological Resources Technical Report (SANDAG, 2014u) 

E.6 Water Resources 

 BMPs would be included as part of project design to reduce the amount of 

contaminants added to the 303(d) listed waters identified in Chapter 4.0, Section 4.9 

of the Final SEIS/SEIR, and to eliminate potential increases in surface runoff that 

could otherwise impact existing downstream facilities. SANDAG would implement 

BMPs where site constraints, soil characteristics, and expected pollutants justify their 

use. Refer to Chapter 4.0, Section 4.9.3.2 of the Final SEIS/SEIR for additional 

information. 

 The project would incorporate low impact developments (LIDs) and 

hydromodification approaches into site design and storm-water management to 

maintain the site’s pre-development runoff rates and volumes. The LID measures 

and techniques would be selected and implemented depending on site location/size 

and storm-water treatment needs. Refer to Chapter 4.0, Section 4.9.3.2 for 

additional information. 

 All proposed treatment BMPs, LIDs, and hydromodification measures would be 

located within the project study area and would be implemented to target projectspecific constituents of concerns. Refer to Chapter 4.0, Section 4.9.3.2 for additional 

information. 

Sources: Chapter 4.0, Section 4.9.3.2 of the Final SEIS/SEIR and the Mid-Coast 

Corridor Transit Project Water Impact Analysis Technical Report (SANDAG, 2014m) 

E.7 Geotechnical and Seismic Conditions 

 The design of the project would comply with design standards to avoid adverse 

geotechnical, geologic, and seismic impacts to people and structures. This would be 

reflected in applicable project plan sets and other project construction specifications. 

 To prevent structural collapse, the project would incorporate design standards such 

as using a continuous superstructure over intermediate support locations, isolating 
Appendix E – Project Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

E-4 September 2014 

the superstructure from the substructure, and increasing support widths. 

Single-column bents are preferred over multicolumn bents to prevent differential 

displacements. In addition, all project structures would be designed in accordance 

with current seismic design standards, as found in the California Building Code 

(2010), the latest version of the Caltrans Seismic Design Criteria (2010b), and 

Caltrans Memo to Designers 20-10, “Surface Fault Rupture Displacement Hazard 

Investigations” (Caltrans, 2007). 

 Design measures to reduce liquefaction and seismic settlement impacts include 

ground-improvement techniques such as in-situ densification or solidification, load 

transfer to underlying bearing layers (which are non-liquefiable), and over-excavation 

(removal and replacement with compacted engineered fill). 

 The impact of lateral spreading would be reduced through design measures, such as 

in-situ ground-improvement methods of densification or solidification, designing the 

foundation to resist horizontal permanent ground displacement, or installation of 

subsurface barrier walls. 

 The Tecolote Creek Bridge would be designed in accordance with Caltrans Memo to 

Designers 20-13, “Tsunami Hazard Guidelines” (Caltrans, 2010a). Primary design 

measures include the use of deep foundations (cast-in-drilled-hole piles) to protect 

from scour and tie-down anchors to alleviate buoyancy effects. 

 Methods that could be used to increase slope stability include, but are not limited to, 

retaining walls, remedial grading, soil nails, soldier pile walls, tiebacks, and rock 

bolts. Mudslide impacts also could be reduced by using debris flow walls. 

 Compressible soils would be addressed through the specification of in-situ 

densification of compressible soils, transferring the load to underlying 

non-compressible layers (i.e., by using pile or drilled shaft foundations), and 

surcharging or over-excavation (removal and replacement with compacted 

engineered fill) as appropriate. 

 Design standards incorporated to minimize impacts from corrosive soils include the 

use of a low water-to-cement ratio to decrease the permeability of concrete and the 

use of sulfate-resistant cement. Cathodic protection can minimize the impacts of 

corrosive soils on steel structures. 

 The risks of expansive soils would be addressed through drainage measures such 

as drainage-control devices to limit water infiltration near foundations, overexcavation methods to remove and replace soil with compacted engineered fill, and 

support of structures on piles designed to counter expansive soil impacts. BMPs to 

limit erosion would include hydroseeding of slopes and the use of plantings, mulch, 

bonded fiber matrix, geosynthetics, and fiber rolls. 

Sources: Chapter 4.0, Section 4.11.3.2 of the Final SEIS/SEIR and the Mid-Coast 

Corridor Transit Project Geotechnical, Geologic, and Seismic Impacts Technical Report

(SANDAG, 2014i) 
Appendix E – Project Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

September 2014 E-5 

E.8 Safety and Security 

 A Safety and Security Certification Plan would be developed and compliance with the 

plan would be required. 

 Safety certification by the California Public Utilities Commission would be required. 

 Construction of all new tracks would occur in exclusive right-of-way without any new 

grade crossings, and access control features would be installed, such as fencing, 

along the right-of-way. 

 Compliance with National Fire Protection Association (NFPA) 130 (NFPA, 2010) 

would be required. 

 Pedestrian bridges at aerial stations would be located near or within public streets, 

thereby reducing the number of passengers that would cross the streets at 

crosswalks. 

 Security features, such as closed circuit televisions and roving security forces, would 

be incorporated at stations. 

 The principles of Crime Prevention Through Environmental Design would be 

incorporated in station design. 

 Compliance with Transportation Security Administration regulations would be 

required. 

 Bridges and other major structures would be designed in compliance with code 

requirements for seismic events. 

 Exit capacity of existing sidewalks in the vicinity of new transit stations would be 

verified for compliance with the requirements of NFPA 130 to ensure that they would 

be able to accommodate the increase in pedestrian activity. 

Sources: Chapter 4.0, Section 4.13.3.2 of the Final SEIS/SEIR and the Mid-Coast 

Corridor Transit Project Safety and Security Impacts Technical Report (SANDAG, 

2014n) 

E.9 Construction—Transit 

 Impacts to Trolley operations would be minimized by single tracking, reverse 

running, and/or provisions for temporary crossovers from the Santa Fe Depot to the 

Old Town Transit Center and single-track operations at the San Diego River Bridge. 

 Impacts to local bus operations would be minimized by temporarily relocating bus 

stops and diverting bus routes. Pedestrian access to relocated bus stops would be 

provided. Rerouting and relocating bus routes would be coordinated with the 

corresponding transit agencies and providers, including MTS, NCTD, and UCSD. 

 Transit-passenger alerts would be posted at bus stops that would be temporarily 

closed in advance of transit service reroutes. 

 Implementation of the Transportation Management Plan (TMP) and the Community 

Outreach Program (a component of the TMP) regarding public notice of changes in 
Appendix E – Project Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

E-6 September 2014 

transit services would be coordinated with transit service providers (refer to Section 

E.1.2 for additional information on the TMP and Sections E.2.9 and E.2.10 for 

additional information on the Community Outreach Program). 

Sources: Chapter 3.0, Section 3.4.7.1 of the Final SEIS/SEIR, the Mid-Coast Corridor 

Transit Project Construction Impacts Technical Report (SANDAG, 2014s), and the MidCoast Corridor Transit Project Transportation Impacts and Mitigation Report (SANDAG, 

2014v) 

E.10 Construction—Freeways and Roadways 

 A TMP would be prepared during the design phase in consultation with the California 

Department of Transportation (Caltrans), the City of San Diego, UCSD, MTS, NCTD, 

Amtrak, emergency providers, and other appropriate agencies. Additional 

information on the TMP is provided in Chapter 3.0, Section 3.4.7.2 of the Final 

SEIS/SEIR and Chapter 6.0, Section 6.5.1.1 of the Mid-Coast Corridor Transit 

Project Construction Impacts Technical Report (SANDAG, 2014s). 

 Designated haul routes to and from construction zones and staging areas would be 

identified through coordination with the City of San Diego and stipulated in the TMP. 

Times and restrictions for truck haul operations on the routes also would be 

established. Additional information on designated haul routes is provided in Chapter 

3.0, Section 3.4.7.2 of the Final SEIS/SEIR. 

 To the extent practical, existing traffic lanes on roadways near the construction zone 

would be maintained in both directions, particularly during peak traffic periods. 

 Short-term closures generally would be planned to occur during off-peak periods 

when traffic volumes are lighter. Oftentimes, these short-term closures would occur 

at night. 

 If a roadway must be closed to vehicular traffic, alternate routes would be identified 

and detour signs would be used to alert motorists of the closure. To the extent 

practical, detour routes would avoid residential areas. 

 Lane closures and prohibition of left turns and through movements at signalized 

intersections would be coordinated with property owners in the vicinity of such 

intersections; alternate routes would be identified and detour signs would be used to 

alert motorists of the closures. 

 Where road closures require detours through other streets and intersections, traffic 

signal timing at these other locations would be reviewed and temporarily modified, if 

necessary. 

 Emergency vehicle access would be maintained at all times to construction work 

sites, nearby businesses, schools, and residential neighborhoods. In addition, 

emergency vehicle access would be maintained at all times to and from fire stations, 

hospitals, and medical facilities near construction areas and along haul routes. 

Construction activities, planned roadway closures, and haul route operations would 

be coordinated with fire departments, hospitals, and law enforcement agencies. 
Appendix E – Project Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

September 2014 E-7 

Sources: Chapter 3.0, Section 3.4.7.2 of the Final SEIS/SEIR, the Mid-Coast Corridor 

Transit Project Construction Impacts Technical Report (SANDAG, 2014s), and the MidCoast Corridor Transit Project Transportation Impacts and Mitigation Report (SANDAG, 

2014v) 

E.11 Construction—Pedestrians and Bicycles 

 The TMP would include measures to maintain pedestrian and bicycle access through 

construction zones with the emphasis on safety. Measures that could be included in 

the TMP are provided in Chapter 3.0, Section 3.4.7.3 of the Final SEIS/SEIR. 

 Portions of existing on-street bike lanes (Class II bicycle facility) and off-street 

bikeways (Class I bicycle facility) would be closed temporarily during the construction 

period. Where possible, detours would be provided. Signage would be posted to 

guide bicyclists to all bicycle path detour routes. 

 Closure of bike lanes may require that the travel lanes in the roadway be shared 

between bicyclists and motorists. In such cases, advanced warning signs would be 

posted and speed limits on the roadways may be reduced to ensure safety. 

 Ocean Beach Bicycle Path: In coordination with the City of San Diego, SANDAG 

would develop a traffic control plan that would specify the use of advance warning 

signs and pavement markings and inform bicyclists of the reduced headroom 

clearance during construction of the San Diego River Bridge and to dismount when 

passing below the falsework. 

 Construction would be phased such that pedestrian access would be maintained on 

one side of the street whenever possible. If closures of sidewalks on both sides of a 

roadway at the same time cannot be avoided during construction, temporary 

pedestrian detours would be provided and identified in the TMP. Signage would be 

used to guide pedestrians to the detour routes. Proper deterrents, such as barriers 

or fencing, would be placed to prevent access through the construction area. 

 Temporary crosswalks would be provided where they are missing at the intersection 

of Genesee Avenue and La Jolla Village Drive, which is located between the two 

pedestrian bridges that would be removed during construction. The missing 

crosswalks would be temporarily striped at this intersection once the pedestrian 

bridges are removed. The temporary crosswalks would require retiming traffic 

signals and installing temporary pedestrian signals where they do not exist. 

Sources: Chapter 3.0, Section 3.4.7.3 of the Final SEIS/SEIR, the Mid-Coast Corridor 

Transit Project Construction Impacts Technical Report (SANDAG, 2014s), and the MidCoast Corridor Transit Project Transportation Impacts and Mitigation Report (SANDAG, 

2014v) 

E.12 Construction—Parking 

 La Jolla Village Square Shopping Center 

– SANDAG will work with the property owner and the contractor to develop an 

approach to minimize the loss of parking spaces at the shopping center at any one 

time while maintaining required construction access. This may include constructing 
Appendix E – Project Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

E-8 September 2014 

the transit parking structure in phases, if feasible, to offset parking affected during 

construction of the guideway and station. After the parking structure is constructed, 

parking spaces in the structure would be made available to shopping center patrons 

during later phases of construction. 

– The contractor would be required to reduce the footprint of parking impacts at the La 

Jolla Village Square shopping center to the extent feasible during the November-toJanuary shopping season. 

 Construction-related vehicle parking would occur at designated off-street parking 

locations and construction staging areas only. Refer to Chapter 3.0, Section 3.4.7.4 

of the Final SEIS/SEIR and Chapter 6.0, Section 6.5.1.9 of the Mid-Coast Corridor 

Transit Project Construction Impacts Technical Report (SANDAG, 2014s) for 

additional information. 

 Emergency parking: measures include coordination with the City of San Diego FireRescue Department and direction to contractors to provide emergency access to fire 

hydrants at all times. 

Sources: Chapter 3.0, Section 3.4.7.4 of the Final SEIS/SEIR, the Mid-Coast Corridor 

Transit Project Construction Impacts Technical Report (SANDAG, 2014s), and the MidCoast Corridor Transit Project Transportation Impacts and Mitigation Report (SANDAG, 

2014v) 

E.13 Construction—Vehicular Freight 

 Measures would be similar to those described in Chapter 3.0, Section 3.4.7.2 of the 

Final SEIS/SEIR and in Section E.10 of this Appendix. 

 During project construction, detours for truck traffic would be required; detour routes 

would avoid U-turns. Signage would be posted to direct freight trucks to detour 

routes. 

 Placement of falsework would be conducted so as to not preclude trucks from using 

the driveways, when feasible. 

Sources: Chapter 3.0, Section 3.4.7.5 of the Final SEIS/SEIR, the Mid-Coast Corridor 

Transit Project Construction Impacts Technical Report (SANDAG, 2014s), and the MidCoast Corridor Transit Project Transportation Impacts and Mitigation Report (SANDAG, 

2014v) 

E.14 Construction—Community and Neighborhoods 

 To the extent possible, detours would not route non-local traffic through local streets 

in communities and neighborhoods that are adjacent to construction zones. 

 Portions of the La Jolla Eruv boundary would be relocated temporarily in cooperation 

with representatives from Congregation Adat Yeshurun such that the ritual enclosure 

around the designated area would be maintained. 

 The limits of the staging area on Warren Field would be fenced to ensure that 

activities within the staging area would not impact the remainder of the field. 
Appendix E – Project Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

September 2014 E-9 

 Prior to the start of construction, a comprehensive Community Outreach Program 

would be developed with input from community members. Refer to Chapter 6.0, 

Section 6.3.1 of the Mid-Coast Corridor Transit Project Construction Impacts 

Technical Report (SANDAG, 2014s) for additional information on the components of 

this program. 

 The project would include fencing, natural barriers, and/or signs to preclude 

encroachments into the construction zones and staging areas. 

 Any person or persons camped within the construction area would be notified to 

vacate and, if needed, removed. Persons requiring temporary shelter and/or social 

services would be directed to the City of San Diego Homeless Services Administrator 

regarding the city’s Homeless Services program. SANDAG would coordinate with 

the city prior to construction to advise them of the need for temporary shelter and 

services for homeless individuals within the project construction zone. Such services 

may be provided by the City of San Diego or an affiliate agency. 

Sources: Chapter 4.0, Section 4.17.3.2 of the Final SEIS/SEIR under the heading 

“Community and Neighborhoods Impacts” and the Mid-Coast Corridor Transit Project 

Construction Impacts Technical Report (SANDAG, 2014s) 

E.15 Construction—Socioeconomic and Fiscal 

 SANDAG would prepare a Construction Mitigation Plan during final design of the 

project. This plan would address impacts to public and private property occurring 

during the construction period. Refer to Chapter 5.0, Section 5.4.2 of the Mid-Coast 

Corridor Transit Project Property Acquisitions Impacts Technical Report (SANDAG, 

2014o) for additional information. 

 To the extent possible, construction plans would minimize temporary encroachments 

and temporary impacts to parking spaces. 

 During final design or after the Record of Decision by the Federal Transit 

Administration on approval of the project, each property owner affected by required 

temporary encroachments would be contacted to negotiate the terms and conditions 

for the temporary encroachment agreements. 

 Prior to termination of a temporary encroachment agreement or easement, the 

portions of properties acquired for temporary use would be returned to the condition 

prior to the start of construction activities or as agreed in the temporary use 

agreement. Performance standards for this work would be established through 

coordination with the property owner and documentation of existing conditions prior 

to the start of construction activities. 

 Property owners would be compensated for temporary encroachments and 

associated business impact costs. Property and business owners affected by 

acquisitions and displacements would be compensated consistent with the Federal 

Uniform Relocation Assistance and Real Property Acquisition Policies Act, as 

amended, the California Relocation Assistance Act, and SANDAG Board Policy No. 

021. 
Appendix E – Project Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

E-10 September 2014 

 During final design, studies would be conducted to determine if unaffected portions 

of business parking lots may be reconfigured or re-striped to replace some or all of 

the parking spaces that would be unavailable during construction due to required 

temporary encroachments. At the end of construction activities, parking lots would 

be returned to their original use and there would not be a net loss in parking, except 

where other agreements between SANDAG and property owners have been 

arranged. 

 Construction of the aerial guideway along the west side of I-5 and along Genesee 

Avenue would affect commercial signs at the La Jolla Village Square, the Shops at 

La Jolla Village, Costa Verde, and Westfield UTC shopping centers. In these 

locations, the contractor would be required to install temporary signage for 

businesses open during the construction period, as well as signage to direct vehicles 

to parking and/or access and provide pedestrian access routes. 

 Construction traffic control plans would incorporate measures to avoid and minimize 

changes to access that may affect adjacent business districts as well as individual 

businesses. Access to properties (buildings, loading docks, and parking areas) 

generally would be maintained during operating hours of the businesses throughout 

the construction period. Signage would be provided to indicate businesses are open 

and give directions for alternate access routes. Where access is temporarily 

affected, coordination with property owners and businesses would be conducted well 

ahead of the closure. 

 The Community Outreach Program would include providing notification to nearby 

business owners and commercial property owners of the schedule for planned 

construction activities, changes to traffic flow, and modification to property access. 

The Community Outreach Program would provide business and property owners 

with opportunities to voice their concerns about construction activities. When 

feasible, such concerns could be incorporated as specific contract requirements with 

which contractors would have to comply. 

Sources: Chapter 4.0, Section 4.17.3.2 of the Final SEIS/SEIR under the heading 

“Socioeconomic and Fiscal Impacts”, the Mid-Coast Corridor Transit Project Property 

Acquisitions Impacts Technical Report (SANDAG, 2014o), and the Mid-Coast Corridor 

Transit Project Construction Impacts Technical Report (SANDAG, 2014s) 

E.16 Construction—Visual Resources and Aesthetics 

 Contractors would be required to screen staging areas adjacent to residential 

neighborhoods and commercial districts. 

 Contractors would be required to shield light at construction zones and staging areas 

to minimize light and glare that might affect adjacent communities and 

neighborhoods, particularly in residential areas and on roads. 

 Contractors would be required to minimize light and glare into the night sky above 

the construction zone and staging areas. 
Appendix E – Project Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

September 2014 E-11 

 Contractors would be required to restore vegetated areas to previous conditions or 

as otherwise coordinated with property owners once those areas area no longer 

needed for construction. 

Sources: Chapter 4.0, Section 4.17.3.2 of the Final SEIS/SEIR under the heading 

“Visual Resources and Aesthetics Impacts” and the Mid-Coast Corridor Transit Project 

Construction Impacts Technical Report (SANDAG, 2014s) 

E.17 Construction—Air Quality 

 During construction, the project would be required to comply with regional rules, 

which would help prevent substantial short-term air pollutant emissions. The 

regional and state rules and regulations include the following: 

– San Diego Air Pollution Control District (SDAPCD) Rule 12—Registration of Specified 

Equipment: Requires specific equipment to be registered and operated using specific 

fuels, equipment, and operating procedures (SDAPCD, 2011) 

– SDAPCD Rule 54, Prohibition—Dust and Fumes: Requires that a person would not 

discharge in any one hour into the atmosphere from any source dust or fumes in 

excess of the amounts established under Rule 54 (SDAPCD, 2011) 

– SDAPCD Rule 361.145—Asbestos Standard for Demolition or Renovation: Requires 

specific measures during the demolition or renovation of asbestos-containing 

buildings and structures (SDAPCD, 2011) 

– California Air Resources Board’s Off-Road Diesel Vehicle Regulation: Imposes limits 

on idling, buying older off-road diesel vehicles, and selling vehicles; and institutes 

gradual requirements to clean up fleets by getting rid of older engines, using newer 

engines, and installing exhaust retrofits 

 SANDAG would consult with SDAPCD regarding measures to minimize air pollutant 

emissions from construction. 

 Detailed measures would be specified in the construction contract documents. The 

construction contractor would be required to implement these mitigation measures. 

The construction manager would oversee and monitor the contractor’s compliance 

with construction mitigation measures, rules, and regulations. These measures 

would include the following: 

– Minimize idle times of construction equipment and employee vehicles 

– Maintain equipment in good condition 

– Control construction dust through watering of earthwork during grading activities 

Sources: Chapter 4.0, Section 4.17.3.2 of the Final SEIS/SEIR under the heading “Air 

Quality Impacts” and the Mid-Coast Corridor Transit Project Construction Impacts 

Technical Report (SANDAG, 2014s) 

E.18 Construction—Noise and Vibration 

 All applicable noise regulations would be complied with, including the City of San 

Diego Noise Ordinance (City of San Diego, 2010b). This may require that the 
Appendix E – Project Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

E-12 September 2014 

contractor install temporary noise barriers at various locations along the rail track 

alignment and around station construction zones. 

 Specialty equipment with enclosed engines or high-performance mufflers would be 

used when feasible. 

 Equipment and staging areas would be located away from noise-sensitive receivers 

and temporary noise barriers would be installed where practicable. 

 Unnecessary idling of equipment would be avoided. 

 The design effort would avoid pile driving. Although pile driving is not anticipated, if it 

is determined that it is required, it would be limited to daytime hours. 

 The TMP would be followed and construction-related truck traffic would be routed 

away from residential streets to the extent allowable by local regulations. 

 The position of Noise Disturbance Coordinator would be established. The Noise 

Disturbance Coordinator would be responsible for responding to any local complaints 

about construction noise. The Noise Disturbance Coordinator would determine the 

cause of the noise complaint (e.g., starting too early, bad muffler, etc.) and would be 

required to implement reasonable measures such that the complaint is resolved. 

Documentation of noise complaints and resolution of the complaint would be 

provided to SANDAG. 

 Public notice would be provided to nearby residents prior to nighttime construction. 

 Coordination would occur with site administrators of nearby schools and other 

sensitive noise receptors to discuss construction activities that generate high noise 

levels. Coordination between the site administrators and the construction contractor 

would continue on an as-needed basis throughout the construction period to address 

potentially disruptive noise levels. 

Sources: Chapter 4.0, Section 4.17.3.2 of the Final SEIS/SEIR under the heading 

“Noise and Vibration Impacts” and the Mid-Coast Corridor Transit Project Construction 

Impacts Technical Report (SANDAG, 2014s) 

E.19 Construction—Ecosystems and Biological Resources 

 During final design, the project’s construction footprint would be further reviewed 

and, where possible, the footprint would be minimized to reduce impacts to wetlands 

and vegetation. 

 Where construction occurs adjacent to sensitive biological resources, the limits of 

construction would be visibly delineated through brightly colored fencing or other 

highly visible means. Construction crews would be directed not to encroach beyond 

the limits of construction. 

 To reduce impacts to nocturnal species, nighttime construction activity would be 

minimized whenever feasible and shielded lights would be used for nighttime security 

lighting in the area. 

 BMPs would minimize dust, erosion, and runoff generated by construction activities. 
Appendix E – Project Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

September 2014 E-13 

 During construction, a biological monitor would be present to assist in the avoidance 

of impacts to native vegetation, jurisdictional aquatic resources, special-status plants 

and wildlife, and nesting birds. Refer to Chapter 4.0, Section 4.17.3.2 of the Final 

SEIS/SEIR under the heading “Ecosystems and Biological Resources Impacts” for 

additional information on the duties of the biological monitor. 

 During construction, a movement corridor for light-footed clapper rail would be 

maintained along the San Diego River main channel to allow clapper rails to move 

through the construction area, if present. The movement corridor would include 

exclusionary fencing along the project limits on both sides of the flow channel to 

prevent clapper rails from entering construction areas, if present. 

 Indirect construction impacts to the San Diego fairy shrimp in Basin BB would be 

avoided through the designation of a buffer. The buffer, to be developed in 

consultation with the U.S. Fish and Wildlife Service and California Coastal 

Commission, would be established to prevent construction from indirectly affecting 

the pool and its associated watershed. 

 To prevent the introduction of invasive plant species, construction vehicles and 

equipment would be washed prior to working in areas where sensitive vegetation 

communities are present adjacent to the project. 

Sources: Chapter 4.0, Section 4.17.3.2 of the Final SEIS/SEIR under the heading 

“Ecosystems and Biological Resources Impacts”, the Mid-Coast Corridor Transit Project 

Construction Impacts Technical Report (SANDAG, 2014s), and the Mid-Coast Corridor 

Transit Project Biological Resources Technical Report (SANDAG, 2014u) 

E.20 Construction—Water Resources 

 All construction activities would be performed consistent with the Statewide National 

Pollutant Discharge Elimination System (NPDES) Construction General Permit 

issued by the State Water Resources Control Board and the NPDES Statewide 

Permit (Order No. 2012-0011-DWQ, NPDES No. CAS000003) issued by Caltrans. 

 All construction activities would comply with conditions included in permits issued by 

the U.S. Army Corps of Engineers and the San Diego Regional Water Quality 

Control Board under Sections 404 and 401 of the federal Clean Water Act. 

 All construction activities would comply with requirements of Section 10 of the federal 

Rivers and Harbors Act for construction of any structure in or over any navigable 

water of the United States in accordance with the requirements of the U.S. Army 

Corps of Engineers and the U.S. Coast Guard, where applicable. 

 A Storm Water Pollution Prevention Plan would be prepared for all construction and 

staging areas for all phases of the project. 

 Temporary Erosion Control Plans would be prepared for all construction and staging 

areas and all phases of the project. 

 A Spill Prevention, Containment, and Counter-Measure Plan would be prepared to 

avoid and minimize accidental contamination of water resources. 
Appendix E – Project Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

E-14 September 2014 

 Fencing would be used to clearly define stream and wetland buffer areas and to 

keep construction equipment and activities from encroaching into the buffer area. 

 During design, in consultation with the applicable regulatory agencies, specific 

design and construction standards for stream crossings would be developed, 

including, but not limited to, maintaining open surface crossings(to the maximum 

extent possible), infrastructure setbacks, erosion-control measures, sedimentcontrolling excavation/fill practices, and other BMPs. 

 Additional information is provided in Chapter 4.0, Section 4.17.3.2 of the Final 

SEIS/SEIR under the heading “Water Resources Impacts.” 

Sources: Chapter 4.0, Section 4.17.3.2 of the Final SEIS/SEIR under the heading 

“Water Resources Impacts” and the Mid-Coast Corridor Transit Project Construction 

Impacts Technical Report (SANDAG, 2014s) 

E.21 Construction—Hazardous Materials 

 A Spill Prevention, Containment, and Counter-Measure Plan would be prepared for 

all construction zones and staging areas to minimize potential spills of hazardous, 

toxic, or petroleum substances. For additional information, refer to Chapter 4.0, 

Section 4.17.3.2 of the Final SEIS/SEIR under the heading “Hazardous Materials 

Impacts” and Chapter 6.0, Section 6.8.1 of the Mid-Coast Corridor Transit Project 

Construction Impacts Technical Report (SANDAG, 2014s). 

 A site-specific Health and Safety Plan would be prepared to address potential 

environmental hazards that may be encountered during construction activities. 

 An Air Quality Monitoring Plan would be prepared to address potential exposure 

hazards pertaining to airborne dust in areas of contamination. The Air Quality 

Monitoring Plan would be adhered to during construction and site remediation 

activities. 

 Prior to ground-disturbing activities, samples would be gathered to evaluate potential 

soil and ground-water contamination at sites of concern. Stained soils and aboveground storage tanks would be disposed of safely in accordance with all applicable 

regulations. For additional information, refer to Chapter 4.0, Section 4.17.3.2 of the 

Final SEIS/SEIR under the heading “Hazardous Materials Impacts” and Chapter 6.0, 

Section 6.8.1 of the Mid-Coast Corridor Transit Project Construction Impacts 

Technical Report (SANDAG, 2014s). 

 If underground storage tanks not previously identified in this study or undocumented 

areas of contamination are encountered during project construction activities, project 

work would be discontinued until appropriate health and safety procedures have 

been implemented. The contamination remediation and removal activities would be 

conducted in accordance with pertinent local, state, and federal regulatory guidelines 

under the oversight of the appropriate regulatory agency. For additional information, 

refer to Chapter 6.0, Section 6.8.1 of the Mid-Coast Corridor Transit Project 

Construction Impacts Technical Report (SANDAG, 2014s).

 Samples would be collected within the MTS and I-5 rights-of-way; soils within the I-5 

right-of-way would be tested for aerially deposited lead. Within the railroad corridor, 
Appendix E – Project Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

September 2014 E-15 

sampling would be performed to assess the potential environmental concerns from 

historical railroad use. For additional information, refer to Chapter 4.0, Section 

4.17.3.2 of the Final SEIS/SEIR under the heading “Hazardous Materials Impacts” 

and Chapter 6.0, Section 6.8.1 of the Mid-Coast Corridor Transit Project 

Construction Impacts Technical Report (SANDAG, 2014s). 

 Prior to drilling and during project excavation activities in proximity to the historic 

Camp Matthews rifle and pistol range, metal detectors and ground-penetrating radar 

would be used to locate the presence of metallic objects. If unexploded ordnance is 

encountered during construction, then appropriate actions would be taken by 

specialists to remove it in accordance with local, state, and federal regulations. 

Refer to Chapter 4.0, Section 4.17.3.2 of the Final SEIS/SEIR under the heading 

“Hazardous Materials Impacts” for additional information. 

 If asbestos-cement pipes are encountered during construction, then appropriate 

actions would be taken by specialists to remove these pipes in accordance with 

local, state, and federal regulations. To ensure worker and public safety, removal 

and disposal of asbestos-cement pipes would follow the requirements of the 

Occupational Safety and Health Administration as stated in 29 Code of Federal 

Regulations (CFR) 1910.1001 and 29 CFR 1926.1101. Removal must also follow 

worker protection rules as stated in 40 CFR Part 763 Subpart G, National Emission 

Standards for Hazardous Air Pollution, as specified under Rule 40, CFR 61, Subpart 

M, and the Clean Air Act as required under United States Code 7401 et seq. 

Removal of asbestos cement pipe would require sealing the pipe prior to removal in 

order to minimize exposure. 

 In areas identified as contaminated or where soil contamination is suspected and 

cannot be used on site, the contaminated soil would be disposed of properly at an 

off-site facility. Imported fill soils would be characterized to verify that they are not 

contaminated. 

 Hazardous materials used during construction would be stored in appropriate 

containers on-site to avoid potential leaks and spills. 

 During project construction activities, it would be necessary to excavate existing soil 

within the alignment area and to bring fill soils into the alignment area from off-site 

locations. In areas that are identified as being contaminated or where soil 

contamination is suspected, appropriate sampling is required prior to disposal of the 

excavated soil. Characterization of the soil would be necessary prior to any 

excavation or removal activity, and contaminated soil would be properly disposed of 

at an off-site facility. Project fill soils would be characterized to verify that imported 

soil is free of contamination. 

 Ballasts, railroad ties, and/or wooden poles that are identified as contaminated with 

hydrocarbons or other hazardous materials would be removed and disposed of 

properly at an off-site facility. 

Sources: Chapter 4.0, Section 4.17.3.2 of the Final SEIS/SEIR under the heading 

“Hazardous Materials Impacts” and the Mid-Coast Corridor Transit Project Construction 

Impacts Technical Report (SANDAG, 2014s) 
Appendix E – Project Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

E-16 September 2014 

E.22 Construction—Geotechnical, Geologic, and Seismic 

 The design of the project would include establishment and implementation of stormwater BMPs, including, but not limited to, the construction site BMPs listed in Table 

4-35 in Chapter 4.0, Section 4.9 of the Final SEIS/SEIR, for those areas with 

potentially unstable soils that are susceptible to landslide and subsidence. 

 A Job Safety Analysis (JSA) would be prepared; the JSA would contain emergency 

procedures to cover a number of events that may occur at or near the project site by 

natural causes, equipment failure, or by human mistake, with earthquakes being one 

of these events. 

 Geotechnical and geologic studies would continue to be conducted through final 

design of the project, and these studies would verify locations of potentially unstable 

soils, including areas susceptible to landslide and subsidence. Additional 

geotechnical and geologic analysis would be conducted and additional soil borings 

would be made, particularly in areas near planned bridges, the aerial guideway, 

retaining walls, and stations. 

Sources: Chapter 4.0, Section 4.17.3.2 of the Final SEIS/SEIR under the heading 

“Geotechnical, Geologic, and Seismic Impacts” and the Mid-Coast Corridor Transit 

Project Construction Impacts Technical Report (SANDAG, 2014s) 

E.23 Construction—Energy 

 Project specifications would require contractors to minimize idle times of construction 

equipment. 

 Project specifications would require contractors to maintain construction equipment 

per manufacturers’ specification. 

 Energy-efficient lighting would be used in all construction zones and staging areas. 

Sources: Chapter 4.0, Section 4.17.3.2 of the Final SEIS/SEIR under the heading 

“Energy Impacts” and the Mid-Coast Corridor Transit Project Construction Impacts 

Technical Report (SANDAG, 2014s) 

E.24 Construction—Safety and Security 

 For the duration of all construction activities, the contractor would have a designated 

safety officer to oversee construction work and compliance with federal, state, and 

local regulations, as well as the project’s contract specifications related to both 

worker and public safety. 

 Prior to any construction activity, a TMP would be developed with input from 

community safety and security agencies, including the City of San Diego FireRescue Department, the City of San Diego Police Department, the City of San Diego 

Engineering and Capital Projects Department, area hospitals, and UCSD. The TMP 

would identify the requirements, procedures, and protocols for coordination and 

communication with emergency responders during the construction period. The 
Appendix E – Project Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

September 2014 E-17 

procedures may include weekly coordination communications, identification of 

alternate routes, and other topics. 

 Access to all police and fire stations as well as area hospitals would be maintained at 

all times during construction. 

 All construction zones and staging areas would be secured using fencing, lighting, 

and/or night patrols to prevent unauthorized persons from entering these areas. 

 Prior to any construction activity, a JSA would be prepared to protect construction 

workers and ensure public safety. A JSA would be developed for each significant 

construction activity. Refer to Chapter 6.0, Section 6.12.1 of the Mid-Coast Corridor 

Transit Project Construction Impacts Technical Report (SANDAG, 2014s) for 

additional information. 

 SANDAG would encourage the community safety providers to update their 

emergency response procedures to address construction of the project and would 

provide appropriate project-specific information in a timely manner. 

 Contractor workers and subcontractor employees would be required to comply with 

MTS and NCTD safety procedures while working in MTS right-of-way and in 

proximity of trains operating on the Los Angeles—San Diego—San Luis Obispo Rail 

Corridor Agency tracks. When construction work is conducted within prescribed 

limits, flagmen would be required per NCTD safety procedures. The contractor’s 

workers and subcontractor employees would be required to participate in the MTS 

and NCTD safety training program. Safety barriers may be placed as required to 

provide separation from active tracks. Temporary slow orders may be placed on 

train operations for certain conditions. 

Sources: Chapter 4.0, Section 4.17.3.2 of the Final SEIS/SEIR under the heading 

“Safety and Security Impacts” and the Mid-Coast Corridor Transit Project Construction 

Impacts Technical Report (SANDAG, 2014s) 

E.25 Construction—Paleontological Resources 

 When possible, construction-related impacts to potentially significant paleontological 

resources would be avoided by project design. During final design, the project’s 

footprint would be reviewed further and, where possible, the footprint would be 

minimized to reduce potential impacts to paleontological resources. 

 If resources are found, preservation in place could be achieved by one of the 

following methods: 

– Incorporating the site into a park or other open space 

– Covering the site with a layer of chemically stable material before constructing the 

project 

– Deeding the site as a permanent conservation easement 

Source: Mid-Coast Corridor Transit Project Construction Impacts Technical Report

(SANDAG, 2014s), 
Appendix E – Project Measures 

MID-COAST CORRIDOR TRANSIT PROJECT 

E-18 September 2014 

E.26 Construction—Utilities 

 During final design, project engineers would coordinate closely with utility providers 

whose facilities would temporarily or permanently be affected by the project. 

Coordination efforts would identify design standards for protection and relocation of 

utility facilities affected by the project. 

 A Utilities Relocation Plan would be developed as part of final design and would 

identify all required utility relocations, temporary routing, and reconstruction. The 

plan would also include a construction approach to minimize disruption. Refer to 

Chapter 4.0, Section 4.17.3.2 of the Final SEIS/SEIR under the heading “Utilities 

Impacts” for additional information. 

 During the construction period, the construction management team periodically 

would supply utility providers with construction progress notices. Required shortterm disruptions to utility services would be coordinated with utility providers to 

identify the periods when the fewest customers would be adversely affected by 

interruptions in service (typically at night). 

Sources: Chapter 4.0, Section 4.17.3.2 of the Final SEIS/SEIR under the heading 

“Utilities Impacts” and the Mid-Coast Corridor Transit Project Construction Impacts 

Technical Report (SANDAG, 2014s)