STATE OF CALIFORNIA
PUBLIC UTILITIES COMMISSION

 

Southern California Edison's

El Casco System Project

 

 

 


 

 

 

Supplemental Final Environmental Impact Report

 

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Notice of Availability

Cover

Title Page

Table of Contents

Executive Summary

A. Introduction

B. Modification to the Project (6MB)

B.1 115 kV Subtransmission Line Modifications

B.1.1 Structures and Associated Equipment

B.1.2 Steel Pole Site Preparation

B.1.3 Staging and Access

B.1.4 Steel Pole Installation

B.1.5 Removal of Existing Wood Poles

B.1.6 Conductor Pulling

B.1.7 Construction Labor and Equipment

C. ENVIRONMENTAL ANALYSIS

C.1 Visual Resources (4MB)

C.1.1 Environmental Setting for the Proposed Project

C.1.2 Applicable Regulations, Plans, and Standards

C.1.3 Environmental Impacts and Mitigation Measures for the Proposed Project (Segments 2 and 4)

C.2 Issue Areas Where Modifications Result in No Substantial Change (5MB)

C.2.1 Air Quality

C.2.2 Land Use

C.2.3 Biological Resources

C.2.4 Cultural Resources

C.2.5 Geology and Soils

C.2.6 Hazards and Hazardous Materials

C.2.7 Hydrology and Water Quality

C.2.8 Noise

C.2.9 Public Services and Utilities

C.2.10 Transportation

C.2.11 Effects Found Not to Be Significant

D. OTHER CEQA CONSIDERATIONS

D.1 Significant Unavoidable Impacts

D.2 Significant Irreversible Changes

D.3 Growth Inducing Effects

E. REFERENCES

E.1 List of Preparers

E.2 References

F. SUPPLEMENTAL DRAFT EIR COMMENTS AND RESPONSES (5MB)

F.1 List of Commenters and Responses

F.2 Comments and Responses to Comments

LIST OF TABLES

Table B-1 Construction Personnel and Equipment Summary (115 kV Subtransmission Lines)

Table C.1-1 Visual Resources Management (VRM) Scenic Quality Rating System

Table C.1-2 Visual Quality Rating Guidance

Table C.1-3 Consistency with Applicable Land Use Plans and Polices

Table C.1-4 Visual Sensitivity-Visual Change Guidance for Review of Impact Significance

Attachment VR-1: Explanation of Visual Sensitivity (VS) Visual Change (VC) Summary Table

Attachment VR-2S: Summary of Key Viewpoint Analyses for Segments 2 and 4

Table E-1 Lead Agency Project Team

Table E-2 Supplemental Preparers and Reviewers

Table F-1 Index to Response to Comments

LIST OF FIGURES

Figure B-1 115 kV Subtransmission Line Route Overview Map

Figure B-2a 115 kV Subtransmission Line Index Map

Figure B-2b 115 kV Subtransmission Line Route Details Map 1

Figure B-2c 115 kV Subtransmission Line Route Details Map 2

Figure B-2d 115 kV Subtransmission Line Route Details Map 3

Figure B-2e 115 kV Subtransmission Line Route Details Map 4

Figure B-2f 115 kV Subtransmission Line Route Details Map 5

Figure B-2g 115 kV Subtransmission Line Route Details Map 6

Figure B-2h 115 kV Subtransmission Line Route Details Map 7

Figure B-2i 115 kV Subtransmission Line Route Details Map 8

Figure B-3 Typical Structure Designs Segments 2 and 4

Figure C.1-1 Key Viewpoints Map

Figure C.1-2A Key Viewpoint 1 Sunset Avenue Existing View (West)

Figure C.1-2B Key Viewpoint 1 Sunset Avenue Visual Simulation (West)

Figure C.1-3A Key Viewpoint 2 Faircliff Street Existing View (West-Southwest)

Figure C.1-3B Key Viewpoint 2 Faircliff Street Visual Simulation (West-Southwest)

Figure C.1-4A Key Viewpoint 3 Southbound State Route 79 Existing View (South)

Figure C.1-4B Key Viewpoint 3 Southbound State Route 79 Visual Simulation (South)

Figure C.1-4C Key Viewpoint 3 Alt Northbound State Route 79 Existing View (Northeast)

Figure C.2-1a Preconstruction Biological Resources Survey Overview Map

Figure C.2-1b Preconstruction Biological Resources Survey Map 1

Figure C.2-1c Preconstruction Biological Resources Survey Map 2

Figure C.2-1d Preconstruction Biological Resources Survey Map 3

Figure C.2-1e Preconstruction Biological Resources Survey Map 4

Figure C.2-1f Preconstruction Biological Resources Survey Map 5

Figure C.2-1g Preconstruction Biological Resources Survey Map 6

Back Cover

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