SCE's Antelope-Pardee 500 kV Transmission Line Project: PEA

		STATE OF CALIFORNIA PUBLIC UTILITIES COMMISSION Southern California Edison's Antelope-Pardee 500-kV Transmission Line Project

		Proponent's Environmental Assessment

These files are in Portable Document Format (PDF). To view them, you will need to download the free Adobe Acrobat Reader if it is not already installed on your PC. Note: For faster results in displaying the largest files (see sizes shown in parentheses below for files over 2.0 MB), right-click the file's link, click "Save Target As" ("Save Link As" in Netscape) to download the file to your hard drive, then double-click the downloaded file.

1.0 Executive Summary

1.1. Overview

1.2. Purpose and Need

1.3. Scope of Proponent's Environmental Assessment

1.4. Organization of PEA

Fig. 1-1. General Location Map - Segment 1 - Antelope to Pardee

2.0 Purpose and Need

2.1. Purpose of the Proposed Project

2.2. Need for the Proposed Project

3.0 Description of the Proposed Project

3.1. Summary of Proposed Project

3.2. Transmission Line Facilities - Segment 1 (Antelope-Pardee)

3.3. Substation Facilities - Segment 1 (Antelope-Pardee)

3.4. Information Technology Facilities - Segment 1 (Antelope-Pardee)

3.5. Project Description

3.6. Facility Operations and Maintenance

3.7. Alternatives To the Proposed Project

Fig. 3-1. General Location Map - Segment 1 - Antelope-Pardee

Fig. 3-2. Location Map - Segment 1 - Antelope-Pardee:
    Index
    Sheet 1
    Sheet 2 (4.0 MB)
    Sheet 3 (5.1 MB)
    Sheet 4 (4.8 MB)

Fig. 3-3A. Plot Plan of Proposed Antelope Substation Modification

Fig. 3-3B. Plot Plan of Future 500 kV Antelope Substation Expansion

Fig. 3-3C. Example Representative SCE 500 kV Substation (Lugo)

Fig. 3-4. Plot Plan of Proposed Pardee Substation Modification

Fig. 3-5. Line Crossings and General Configuration of New 500 kV Lines

Fig. 3-6A. Typical 500 kV Single Circuit Tower

Fig. 3-6B. Typical 500 kV Double Circuit Tower

Fig. 3-7. Typical 220 kV Double Circuit Tubular Pole

Fig. 3-8. Typical Road Cross-Section (20% maximum)

Fig. 3-9. Overside Drains - Water Bars

Fig. 3-10. McCarthy Down Drain Typical Installation

Fig. 3-11. Energy Dissipator-Grouted Rock for Pipe Culvert

Fig. 3-12. Energy Dissipator-Grouted Rock for Flumes

Fig. 3-13. Grouted Rock Wet Crossing Typical Installation

Fig. 3-14. Pipe Culvert Installation

Fig. 3-15. Hilficker Retaining Wall Typical Section

Fig. 3-16. Typical Road Cross-Section (40% maximum)

Fig. 3-17. Typical Road Cross-Section (50% maximum)

Fig. 3-18. Typical Road Cross-Section (80% maximum)

Fig. 3-19. Typical Road Cross-Section (Fill Cut with Bench)

Fig. 3-20. Typical Freeway Net System

Fig. 3-21. Typical Guard Structure, Low Voltage or Street Under-Crossing ("H-Frame" Configuration)

Fig. 3-22. Typical Guard Structure, Railroad Under-Crossing ("H-Frame" Configuration with Net)

4.0. Environmental Setting

4.1. Introduction

4.2. Aesthetics

4.3. Agricultural Resources

4.4. Air Quality

4.5. Biological Resources

4.6. Cultural Resources

4.7. Geological Resources

4.8. Hazards and Hazardous Materials

4.9. Hydrology and Water Quality

4.10. Land Use and Planning

4.11. Mineral Resources

4.13. Population and Housing

4.14. Public Services/Utilities

4.15. Recreation

4.16. Socioeconomics/Environmental Justice

4.17. Traffic and Transportation

Fig. 4.2-1. Context Photos (7.6 MB)

Fig. 4.2-2. Context Photos (13.0 MB)

Fig. 4.2-3. Context Photos (7.9 MB)

Fig. 4.2-4. Context Photos (11.0 MB)

Fig. 4.2-5. Context Photos

Fig. 4.2-6. Context Photos (11.4 MB)

Fig. 4.2-7. Context Photos (7.0 MB)

Fig. 4.5-1. Vegetation and CNDDB Occurrences Map:
    Sheet 1 (2.4 MB)
    Sheet 2 (3.8 MB)
    Sheet 3 (3.9 MB)
    Sheet 4 (4.5 MB)

Fig. 4.6-1. Study Area Map for Cultural Resources

Fig. 4.6-2. Location of Cultural Resource Sample Points

Fig. 4.6-3. Archaeological Sensitivity Index Model With Sample Points (2.1 MB)

Fig. 4.7-1. Regional Geology Map

Fig. 4.7-2. Regional Map of Geologic Faults and Earthquake Magnitudes

Fig. 4.9-1. Hydrologic Units and Basins

Fig. 4.9-2. Floodplain and Dam Inundation Map

Fig. 4.10-1. Santa Clarita General Plan and Angeles National Forest Management Plan

Fig. 4.10-2. Santa Clarita Zoning and ANF Existing Management Plan

Fig. 4.10-3. Southern California Association of Governments 2001 Land Use (Los Angeles County)

Fig. 4.14-1. Public Services and Major Infrastructure

5.0. Environmental Impacts and Mitigation

5.1. Introduction

5.2. Aesthetics

5.3. Agricultural Resources

5.4. Air Quality

5.5. Biological Resources

5.6. Cultural Resources

5.7. Geological Resources

5.8. Hazards and Hazardous Materials

5.9. Hydrology and Water Quality

5.10. Land Use and Planning

5.11. Mineral Resources

5.13. Population and Housing

5.14. Public Services/Utilities

5.15. Recreation

5.16. Socioeconomics/Environmental Justice

5.17. Traffic and Transportation

Fig. 5.2-1. KVA Seg 1-1 Photos A/B (21.0 MB)

Fig. 5.2-2. KVA Seg 1-2 Photos A/B (16.2 MB)

Fig. 5.2-3. KVA Seg 1-3 Photos A/B (14.8 MB)

Fig. 5.2-4. KVA Seg 1-4 Photos A/B (80.6 MB)

Fig. 5.2-5. KVA Seg 1-5 Photos A/B (20.5 MB)

Fig. 5.2-6. KVA Seg 1-6 Photos A/B

Fig. 5.2-6. KVA Seg 1-6 Photo C (22.3 MB)

Fig. 5.2-7. KVA Seg 1-7 Photos A/B (13.9 MB)

Fig. 5.2-7. KVA Seg 1-7 Photo C (22.2 MB)

Fig. 5.2-8. KVA Seg 1-8 Photos A/B (13.3 MB)

Fig. 5.2-8. KVA Seg 1-8 Photo C (17.8 MB)

Fig. 5.2-9. KVA Seg 1-9 Photos A/B (14.3 MB)

Fig. 5.2-9. KVA Seg 1-9 Photo C (22.0 MB)

Map 5.2-1. General Location Map KVA Locations (19.8 MB)

Map 5.2-2. KVA Locations on Strip Maps - Close-ups of KVA 1-3 (3.3 MB)

Map 5.2-3. KVA Locations on Strip Maps - Close-ups of KVA 4-5 (4.4 MB)

Map 5.2-4. KVA Locations on Strip Maps - Close-ups of KVA 6-9 (4.7 MB)

6.0. Significant Environmental Impacts and Comparison of Alternatives

6.1. Significant or Potentially Significant Environmental Impacts

6.2. Comparison of Alternatives

6.3. Conclusion

7.0. Cumulative Impacts

7.1. Introduction

7.2. Significance Criteria

7.3. Analysis of Cumulative Impacts

7.4. Alternatives

7.5. Other Projects

Fig. 7-1. Relationship of Segment 1 to Segments 2 and 3

8.0. Growth-Inducing Impacts

9.0. Indirect Effects

10.0. References

11.0. List of Preparers

11.1. SCE

11.2. SCE Subcontractors

11.3. URS Corporation

12.0. List of Acronyms

Appendices

Appendix A. CEQA Environmental Checklist
Appendix B. SCE Public Information Program
Appendix C. SCE Agency Communications (2.6 MB)
Appendix D. Biological Resources
Appendix E. Cultural Resources Technical Report
Appendix F. Native American Consultation (4.0 MB)
Appendix G. Property Owner List
Appendix H. Road Story Aerials
Appendix I. Fire Prevention and Response Plan
Appendix J. Spur Road Restoration Plan

This page contains tables and is best viewed with Netscape or Internet Explorer. Please report any problems to the Energy Division web coordinator.

Project Home Page - CPUC Environmental Information - CPUC Home