STATE OF CALIFORNIA
PUBLIC UTILITIES COMMISSION

SDG&E
Proposed Miguel-Mission 230 kV #2 Project

(Application A.02-07-022, filed July 12, 2002)
   
 
   
Draft Environmental Impact Report


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Notice of Availability
 
Executive Summary
ES.1.  Introduction/Background
ES.2.  Alternatives
ES.3.  Environmental Impacts and Mitigation Measures
ES.4.  Comparison of Alternatives
ES.5.  Impact Summary Tables
Figure ES-1.  Project Location
Figure ES-2.  Overview of Alternative Routes
Figure ES-3.  Existing ROW with Major Route Modifications
Figure ES-4.  West of Miguel Underground Alternatives
 
A.  Introduction/Overview
A.1.  History and Overview of Proposed Project
A.2.  Project Purpose and Need
A.3.  San Diego Wildfires of 2003
A.4.  Agency Use of This Document
A.5.  Reader’s Guide to This EIR
A.6.  References
Figure A-1.  Burned Areas Along Miguel-Mission ROW (8.8MB)
 
B.  Description of Proposed Project
B.1.  Introduction
B.2.  Description of Project
B.3.  Existing and Proposed Infrastructure
B.4.  Project Construction
B.5.  Operation and Maintenance
B.6.  SDG&E Project Protocols
B.7.  General References
Figure B-1.  Regional Project Location
Figure B-2.  Project Route
Figure B-3.  Typical Modified 138 kV and 69 kV Steel Lattice Towers
Figure B-4.  General Arrangement, 230 kV Tangent Steel Pole
Figure B-5.  General Arrangement, 138 kV Tangent Steel Pole
Figure B-6.  General Arrangement, 138 kV Dead-End Steel Pole, Type X Double Circuit
Figure B-7.  Project Subsection Map
Figure B-8a.  Existing and Proposed Cross-section of Subsection A (Proposed Poles #10-#282)
Figure B-8b.  Existing and Proposed Cross-section of Subsection A (Proposed Poles #282-#342)
Figure B-8c.  Existing and Proposed Cross-section of Subsection A (Proposed Poles #342-#752)
Figure B-9a.  Existing and Proposed Cross-section of Subsection B (Proposed Poles #752-#1000)
Figure B-9b.  Existing and Proposed Cross-section of Subsection B (Proposed Poles #1000-#1110)
Figure B-10.  Existing and Proposed Cross-section of Subsection C (Proposed Poles #1110-#1130)
Figure B-11.  Existing and Proposed Cross-section of Subsection D (Proposed Poles #1140-#1160)
Figure B-12.  Existing and Proposed Cross-section of Subsection E (Proposed Poles #1160-#1410)
Figure B-13.  Existing and Proposed Cross-section of Subsection F
Figure B-14.  Typical Construction Activity
Figure B-15.  Typical Conductor Stringing Activity
 
C.  Alternatives
C.1.  Alternatives Development and Screening Process
C.2.  Alternatives Screening Methodology
C.3.  Summary of Screening Results
C.4.  Alternatives Evaluated in this EIR
C.5.  Alternatives Eliminated from Full EIR Evaluation
C.6.  No Project Alternative
C.7.  References
Figure C-1.  Overview of Alternative Routes
Figure C-2a.  Jamacha Valley 138 kV/69 kV Underground Alternative
Figure C-2b.  Jamacha Valley 138 kV/69 kV Underground Alternative
Figure C-2c.  Jamacha Valley 138 kV/69 kV Underground Alternative
Figure C-3a.  Jamacha Valley Overhead A Alternative
Figure C-3b.  Jamacha Valley Overhead A Alternative Alignment Profile
Figure C-4a.  Jamacha Valley Overhead B Alternative
Figure C-4b.  Jamacha Valley Overhead B Alternative (4.7MB)
Figure C-4c.  Jamacha Valley Overhead B Alternative
Figure C-4d.  Jamacha Valley Overhead B Alternative Alignment Profile
Figure C-5.  City of Santee 138 kV/69 kV Underground Alternative
Figure C-6a.  City of Santee 230 kV Overhead Northern ROW Boundary Alternative
Figure C-6b.  City of Santee 230 kV Overhead Northern ROW Boundary Alternative Alignment Profile
 
D.  Environmental Analysis
 
D.1.  Introduction to Environmental Analysis
 
D.2.  Air Quality
Figure D.2-1.  Air Quality Monitoring Network in Project Area
 
D.3.  Biological Resources
 
D.4.  Cultural Resources
 
D.5.  Geology, Soils, and Paleontology
Figure D.5-1.  Faults in the Vicinity of the Project Area
Figure D.5-2.  Peak Ground Acceleration Map
 
D.6.  Hydrology and Water Quality
Figure D.6-1a.  FEMA 100-Year Floodplain and Project Alignment on USGS Topography
Figure D.6-1b.  FEMA 100-Year Floodplain and Project Alignment on USGS Topography
 
D.7.  Land Use and Recreation
Figure D.7-1.  Recreational Facilities Along Proposed Project Route
 
D.8.  Noise and Vibration
Figure D.8-1.  Typical Range of Common Sounds Heard in the Environment
Figure D.8-2.  Outdoor Day/Night Sound Levels in Different Areas
 
D.9.  Public Health and Safety
 
D.10.  Public Services and Utilities
 
D.11.  Socioeconomics
 
D.12.  Transportation and Traffic
 
D.13.  Visual Resources
Figure D.13-1.  Project Location
Figure D.13-2.  KOP 1 – Bonita Golf Course, Existing View to East
Figure D.13-3.  KOP 2 – Sweetwater Regional County Park and Summit Campground, Existing View to East
Figure D.13-4.  KOP 3 – Residential Area, West of Miguel Substation, Existing View to East/Northeast
Figure D.13-5.  KOP 4 – Residential Area, Pointe Development, Existing View to Southeast
Figure D.13-6.  KOP 5 – Steele Canyon High School, Existing View to Northeast
Figure D.13-7.  KOP 5 – Steele Canyon High School, Existing View to South/Southwest
Figure D.13-8.  KOP 5 – Steele Canyon High School, Existing View to East
Figure D.13-9.  KOP 6 – Jamacha Elementary School, Existing View to West/Southwest
Figure D.13-10.  KOP 6 – Jamacha Elementary School, Existing View to North
Figure D.13-11.  KOP 7 – Steele Canyon County Park, Existing View to Southwest
Figure D.13-12.  KOP 7 – Steele Canyon County Park, Existing View to West
Figure D.13-13.  KOP 7 – Steele Canyon County Park, Existing View to Northwest
Figure D.13-14.  KOP 8 – Cottonwood at Rancho San Diego Golf Club, Existing View to Northeast
Figure D.13-15.  KOP 9 – Palm Vista Court East of Cottonwood, Existing View to West
Figure D.13-16.  KOP 10 – Hilton Head County Park, Existing View to Southeast
Figure D.13-17.  KOP 11 – Cottonwood Residential Neighborhood, Existing View to North
Figure D.13-18.  KOP 12 – Cottonwood Residential Neighborhood, Existing View to Southwest
Figure D.13-19.  KOP 13 – Cottonwood Residential Neighborhood, Existing View to South from Vista Rodeo Drive
Figure D.13-20.  KOP 14 – Willow Glen Drive, Existing View to North
Figure D.13-21.  KOP 15 – Sycuan Casino and Resort, Singing Hills Golf Club, Existing View to Southwest
Figure D.13-22.  KOP 16 – Residential Area, Singing Vista Way, Existing View to South
Figure D.13-23.  KOP 17 – Granite Hills Residential Area, Calle de la Sierra, Existing View to West
Figure D.13-24.  KOP 18 – Glenview Residential Neighborhood, Existing View to South/Southwest
Figure D.13-25.  KOP 19 – Lake Jennings County Park, Existing View to North
Figure D.13-26.  KOP 20 – Cactus County Park, Existing View to North
Figure D.13-27.  KOP 21 – City of Santee Residential Neighborhood, Existing View to East/Southeast
Figure D.13-28.  KOP 22 – Santee Lakes Regional Park and Campground, Existing View to North/Northeast
Figure D.13-29.  KOP 23 – Singing Hills Memorial Park, Existing View to Northwest
Figure D-13-30.  KOP 24 – Cottonwood Neighborhood West of SDG&E ROW and South of Hillsdale Road
Figure D.13-31.  KOP 5 – Steele Canyon High School, Proposed Project Simulated View to Northeast
Figure D.13-32.  KOP 6 – Jamacha Elementary School, Proposed Project, Simulated View to North
Figure D.13-33.  KOP 8 – Rancho San Diego, Cottonwood at Golf Course, Proposed Project, Simulated View to Northeast
Figure D.13-34.  KOP 11 – Cottonwood Residential Neighborhood, Proposed Project, Simulated View to North
Figure D.13-35.  KOP 13 – Cottonwood Residential Neighborhood, Proposed Project, Simulated View to South from Vista Rodeo Drive
Figure D.13-36.  KOP 17 – Granite Hills Residential Neighborhood, Calle de la Sierra, Proposed Project, Simulated View to West
Figure D.13-37.  KOP 18 – Glenview Residential Neighborhood, Proposed Project, Simulated View to South/Southwest
Figure D.13-38.  KOP 19 – Lake Jennings County Park, Proposed Project, Simulated View to North
Figure D.13-39.  KOP 20 – Cactus County Park, Proposed Project, Simulated View to North
Figure D.13-40.  KOP 21 – City of Santee Residential Neighborhood, Proposed Project, Simulated View to East/Southeast
Figure D.13-41.  KOP 22 – Santee Lakes Regional Park and Campground, Proposed Project, Simulated View to North/Northeast
Figure D.13-42.  KOP 11 – Cottonwood Residential Neighborhood, Jamacha Valley 138 kV/69 kV Underground Alternative, Simulated View to North
Figure D.13-43.  KOP 13 – Cottonwood Residential Neighborhood, Jamacha Valley 138 kV/69 kV Underground Alternative, Simulated View to South from Vista Rodeo Drive
Figure D.13-44.  KOP 24 – Cottonwood Neighborhood West of SDG&E ROW and South of Hillsdale Road, Jamacha Valley Overhead A Alternative, Simulated View to the East
Figure D.13-45.  KOP 13 – Cottonwood Residential Neighborhood, Jamacha Valley Overhead B Alternative, Simulated View to South from Vista Rodeo Drive
Figure D.13-46.  KOP 6 – Jamacha Elementary School, Jamacha Valley Overhead B Alternative, Simulated View to North
Figure D.13-47.  KOP 13 – Cottonwood Residential Neighborhood, Jamacha Valley Overhead B Alternative, Simulated View to North
Figure D.13-48.  KOP 21 – City of Santee Residential Neighborhood, City of Santee 138 kV/69 kV Underground Alternative, Simulated View to East/Southeast
Figure D.13-49.  KOP 21 – City of Santee Residential Neighborhood, City of Santee 230 kV Northern ROW Boundary Alternative, Simulated View to East/Southeast
 
E.  Comparison of Alternatives
 
F.  Other CEQA Considerations
 
G.  Mitigation Monitoring and Reporting
 
H.  Public Participation
 
I.  Report Preparation
 
Appendices
Appendix 1.  Proposed Project Aerial Photographs
Photographs: 1, 2 (3.0MB), 3 (3.3MB), 4 (3.5MB), 5 (3.6MB), 6 (3.6MB), 7 (3.2MB), 8 (3.1MB), 9, 10 (3.0MB), 11, 12, 13 (3.4MB), 14 (3.3MB)
 
Appendix 2.  Alternatives Screening Report
Figure Ap.2-1.  Overview of Alternative Routes
Figure Ap.2-2a.  Jamacha Valley 138 kV/69 kV Underground Alternative
Figure Ap.2-2b.  Jamacha Valley 138 kV/69 kV Underground Alternative
Figure Ap.2-2c.  Jamacha Valley 138 kV/69 kV Underground Alternative
Figure Ap.2-3a.  Jamacha Valley Overhead A Alternative
Figure Ap.2-3b.  Jamacha Valley Overhead A Alternative Alignment Profile
Figure Ap.2-4a.  Jamacha Valley Overhead B Alternative
Figure Ap.2-4b.  Jamacha Valley Overhead B Alternative
Figure Ap.2-4c.  Jamacha Valley Overhead B Alternative
Figure Ap.2-4d.  Jamacha Valley Overhead B Alternative Alignment Profile
Figure Ap.2-5.  City of Santee 138 kV/69 kV Underground Alternative
Figure Ap.2-6.  City of Santee Underground Along Southern ROW Boundary
Figure Ap.2-7.  City of Santee Underground Along Northern ROW Boundary
Figure Ap.2-8a.  City of Santee 230 kV Overhead Northern ROW Boundary Alternative
Figure Ap.2-8b.  City of Santee 230 kV Overhead Northern ROW Boundary Alternative Alignment Profile
Figure Ap.2-9.  Miguel-Los Coches Alternative Alignment Profile
Figure Ap.2-10.  Existing ROW with Major Route Modifications
Figure Ap.2-11.  West of Miguel Underground Alternatives
 
Appendix 3.  Biological Resources Technical Report
Part 1 (6.6MB),  Part 2 (28MB),  Part 3 (58MB), Part 4 (56MB), Part 5
To obtain a CD of this appendix, send a request to miguelmission@aspeneg.com.
 
Appendix 4.  Alternative Route Feasibility Report
Part 1,  Part 2,  Part 3 (9.9MB),  Part 4
 
Appendix 5.  EMF Data
 
Appendix 6.  Native American Consultation
   

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