Pacific Gas & Electric Company's Delta DPA Capacity Increase Substation Project

(Application A.05-08-022, filed August 12, 2005)


Proponent's Environmental Assessment

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Cover (11.2 MB)
Title Page
Table of Contents
Executive Summary
Chapter 1. Project Description
Figure 1-1. Project Overview Map
Figure 1-2. Proposed Site C Aerial Map (19.6 MB)
Figure 1-3. Four-Mile Substation Radius Map
Figure 1-3a. Delta Distribution Planning Area Location Map
Figure 1-4. Historical and Projected Loads (figure is embedded in document)
Figure 1-5. Typical Three-Bank Substation Layout
Figure 1-6. Typical Three-Bank Substation Profile
Figure 1-7. New Tower 1
Figure 1-8. Replacement Tower 2
Chapter 2. Alternatives Analysis
Figure 2-1. Alternative Sites Location Map
Figure 2-2. Land Use Designations
Figure 2-3. Alternative Sites A and B Aerial Map (19.4 MB)
Figure 2-4. Existing View of Site A from the Highway 4 Bypass (16.5 MB)
Figure 2-5. Existing View of Site B from the Highway 4 Bypass (15.7 MB)
Figure 2-6. Alternative Site D Aerial Map (19.6 MB)
Figure 2-7. Existing View of Site D from Eaton Court Park (18.8 MB)
Chapter 3. Environmental Impact Assessment Summary
Chapter 4. Aesthetics
Figure 4-1. Photo Viewpoint Locations
Figure 4-2a. Visual Character Photos - Views from the North
Figure 4-2b. Visual Character Photos - Views from the East
Figure 4-2c. Visual Character Photos - Views from the West
Figure 4-2d. Visual Character Photos - Obstructed Site Views
Figure 4-3. Existing View and Visual Simulation - Chaparral Park
Figure 4-4. Existing View and Visual Simulation - Heidorn Ranch Road
Chapter 5. Air Quality
Chapter 6. Biological Resources
Chapter 7. Cultural Resources
Chapter 8. Geology, Soils, Mineral Resources, and Paleontology
Chapter 9. Hazards and Hazardous Materials
Chapter 10. Hydrology and Water Quality
Figure 10-1. 100-Year Flood Zone Map
Chapter 11. Land Use and Planning, Recreation, and Agricultural Resources
Figure 11-1. Land Use Designations
Figure 11-2. Existing Land Use (21.0 MB)
Chapter 12. Noise
Figure 12-1. Noise Propagation Isophones (figure is embedded in document)
Chapter 13. Population and Housing, Public Services, and Utilities and Service Systems
Chapter 14. Transportation and Traffic
Chapter 15. Growth-Inducing and Cumulative Impacts
Figure 15-1. Planned Projects
Chapter 16. Induced Currents and Corona Effect
Chapter 17. Mitigation Monitoring and Reporting
Glossary and Acronyms
Attachment 2-A. Visual Character Photos and Aerial Maps for Alternative Sites (not available in electronic format)
Attachment 4-A. Figures 4-1 through 4-4 (see Chapter 4 above)
Attachment 4-B. Visual Simulation Methods
Attachment 6-A. Special-Status Species with No Potential to Occur in the Project Area
Attachment 9-A. Environmental Database Resources

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