Southern California Edison's
Eldorado-Lugo-Mohave Series Capacitor Project

(Application A.18-05-007, filed May 2, 2018)

Draft Initial Study/Mitigated Negative Declaration

  Prepared for:
California Public Utilities Commission
  Prepared by:
Aspen Environmental Group
San Francisco, California
August 2019

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Notice of Intent and Notice of Availability
Title Page
List of Acronyms

1. Mitigated Negative Declaration
1.1 Project Objectives
1.2 Introduction
1.3 Project Description
1.4 Initial Study
1.5 Applicant Proposed Measures and Mitigation Measures
2. Environmental Determination
2.1 Environmental Factors Potentially Affected
2.2 Environmental Determination
3. Introduction to the Initial Study
3.1 Proposed Project Overview
3.2 Environmental Analysis
4. Project Description
4.1 Project Information
4.2 Project Capacity and Objectives
4.3 Project Location
4.4 Project Components - Overview
4.5 Project Components by System
4.6 Right-of-Way Requirements
4.7 Construction
4.8 Operation and Maintenance
4.9 Applicant-Proposed Measures and Standard Practices
4.10 Electric and Magnetic Fields
4.11 References
Figure 4-1. Proposed Project Regional Overview Map
Figure 4-2. Project Overview
Figure 4-3. Ludlow Series Capacitor Detail
Figure 4-4. Newberry Springs Series Capacitor Detail
Figure 4-5. Ludlow-Newberry Springs Distribution/Telecom Detail
Figure 4-6. Barstow Repeater Detail
Figure 4-7. Kelbaker Repeater Detail
Figure 4-8. Lanfair Repeater Detail
Figure 4-9. Underground Telecommunication Line Detail
Figure 4-10. Lugo Substation Detail
Figure 4-11. Mohave Substation Detail
Figure 4-12. Eldorado Substation Detail
Figure 4-13. Typical Site Plan for the Fiber Optic Repeater Sites
Figure 4-14. Typical Elevation for the Fiber Optic Repeater Sites
Figure 4-15. Typical Single-circuit 500 kV Dead-End Tower
Figure 4-16. Typical Single-circuit 500 kV Suspension Tower
Figure 4-17. Typical Tubular Steel Pole
Figure 4-18. Use of a Body Extension to Raise a Tower
Figure 4-19. Use of Ground Wire Peak (GWP) and Body Modifications to Support OPGW Installation
Figure 4-20. Typical Subtransmission Structures
Figure 4-21. Typical Telecommunication Duct Bank
Figure 4-22. Typical Manhole
Figure 4-23. Typical Mid-line Series Capacitor Layout
Figure 4-24. Typical Mid-line Series Capacitor Profile

Attachment 4.A. Discrepancy Work Areas
Attachment 4.B. Tower Modifications Associated with Optical Ground Wire Installation
Attachment 4.C. Construction Equipment and Workforce Estimates

5. Environmental Analysis
Format of Environmental Resource Sections

5.1 Aesthetics
Figure 5.1-1. Devers-Red Bluff 500 kV Mid-Line Capacitor
Figure 5.1-2. Viewpoint Locations

Attachment 5.1A. Characterization Photographs
Attachment 5.1B. BLM Visual Contrast Rating Worksheets
Attachment 5.1C. Visual Simulations

5.2 Agriculture and Forestry Resources

5.3 Air Quality

5.4 Biological Resources

5.5 Cultural Resources

5.6 Energy

5.7 Geology and Soils
Figure 5.7-1. Geological Formations in the Proposed Project Area
Figure 5.7-2. Active and Potentially Active Faults in the Proposed Project Area

5.8 Greenhouse Gas Emissions

5.9 Hazards and Hazardous Materials

5.10 Hydrology and Water Quality

5.11 Land Use and Planning
Figure 5.11-1. Primary Land Jurisdictions Along the Proposed Project

5.12 Mineral Resources

5.13 Noise

5.14 Population and Housing

5.15 Public Services
Figure 5.15-1. Public Services within the Vicinity of the Proposed Project

5.16 Recreation
Figure 5.16-1. Recreational Facilities Within 1 Mile of the Proposed Project

5.17 Transportation
Figure 5.17-1. Roadway Network in the Vicinity of the Proposed Project

5.18 Tribal Cultural Resources

5.19 Utilities and Service Systems

5.20 Wildfire
Figure 5.20-1. Fire Risk

5.21 Mandatory Findings of Significance
Figure 5.21-1. Cumulative Projects within 5 Miles of the Proposed Project

6. Mitigation Monitoring Plan
6.1 Minor Project Refinements
6.2 Dispute Resolution
7. Response to Comments (reserved for Final IS/MND)
Appendix A. List of Preparers
Appendix B. Air Quality-Greenhouse Gas Emissions Data
Appendix C. California Local Regulations
Appendix D. Biological Resources