Pacific Gas and Electric's
Proposed Embarcadero-Potrero 230 kV Transmission Project

(Application A.12-12-004, filed December 11, 2012)


Proponent's Environmental Assessment

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Title Page and Contents
Acronyms and Abbreviations
Index to CPUC Requirements
Chapter 1. Executive Summary
Chapter 2. Project Description
Figure 2-1 Project Vicinity
Figure 2-2 Project Location
Figure 2-3 Electric Transmission System Serving San Francisco
Figure 2-4 Embarcadero Substation Area
Figure 2-5 Area Served by Embarcadero Substation
Figure 2-6 Embarcadero Substation Peak Demand (Historical and Projected)
Figure 2-7 Potrero Switchyard Area
Figure 2-8 Typical 230 kV Cable Termination
Figure 2-9 Typical Duct Bank
Figure 2-10 Typical Manhole
Figure 2-11 Potrero HDD Transition Area
Figure 2-12 Embarcadero HDD Transition Area
Figure 2-13 Transition Area Cable Layouts
Figure 2-14 Geologic Profile of North Transition from Land to Marine
Figure 2-15 Typical Submarine Cable Layout
Figure 2-16 Cross Section of the Proposed 230 kV XLPE Submarine Cable
Figure 2-17 GIS Building Conceptual
Figure 2-18 230 kV Electrical Equipment
Figure 2-19 Interconnection With 115 kV System
Figure 2-20 Single Line Diagram for New 230 kV Potrero Switchyard
Figure 2-21 Hydroplow
Figure 2-22 HDD Outfall
  Chapter 3. Environmental Setting and Impacts (11 MB)
Figure 3.1-1 Photograph Viewpoint Locations
Figure 3.1-2 Photographs of Potrero Switchyard Site (4 Sheets)
Figure 3.1-3A Existing View from 23rd Street East of Illinois Street
Figure 3.1-3B Visual Simulation from 23rd Street East of Illinois Street
Figure 3.1-4A Existing View from 23rd Street at Illinois Street
Figure 3.1-4B Visual Simulation from 23rd Street at Illinois Street
Figure 3.4-1 Critical Habitat
Figure 3.4-2 Subtidal Habitat
Figure 3.4-3 Herring Spawning Locations and Seal Haul?out Sites in the San Francisco Bay
Figure 3.5-1 Cultural Records Search
Figure 3.6-1 Geologic Site Plan
Figure 3.6-2 Water Depth
Figure 3.6-3 Fault Map
Figure 3.6-4 Liquefaction Hazard
Figure 3.8-1 Potrero Site Map
Figure 3.9-1 South Bay Basin
Figure 3.9-2 East San Francisco Flood Plain Map
Figure 3.10-1 San Francisco Port Jurisdiction Area
Figure 3.10-2 Embarcadero Land Use
Figure 3.10-3 Potrero Land Use
Figure 3.10-4 Planning Areas
Figure 3.10-5 Eastern Neighborhoods Streets and Open Space Concept Map
Figure 3.10-6 BCDC San Francisco Waterfront Special Area Plan Map 4
Figure 3.10-7 BCDC San Francisco Waterfront Special Area Plan Map 6
Figure 3.12-1 Land Uses in Vicinity of Embarcadero Portion of Project
Figure 3.12-2 Land Uses in Vicinity of Potrero Portion of Project
Figure 3.17-1 Existing Combined Sewer Outflows in San Francisco
  Chapter 4. Mandatory Findings of Significance and Cumulative and Growth-Inducing Analysis
Figure 4-1 Embarcadero-Potrero Proposed Projects
  Chapter 5. Alternatives
Figure 5-1 Alternatives
Figure 5-2 Switchyard Alternatives
  Chapter 6. List of Preparers

Appendix A. Air Quality and GHG Emissions
Appendix B. Biological Resources
Appendix C. Electric and Magnetic Fields Discussion
Appendix D. Cultural Resources (Confidential)
Appendix E. List of Data on Parcels within 300 Feet of Project Right-of-Way (Confidential)


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