SAN DIEGO GAS & ELECTRIC COMPANY MASTER SPECIAL USE PERMIT CLEVELAND NATIONAL FOREST ORANGE AND SAN DIEGO COUNTIES, CALIFORNIA REVISED PLAN OF DEVELOPMENT APRIL 2013 PREPARED BY: PREPARED FOR: Revised Plan of Development TABLE OF CONTENTS 1 – INTRODUCTION AND OVERVIEW OF PROPOSED ACTION ................................... 1 2 – PURPOSE AND NEED .......................................................................................................... 8 3 – ROUTE DESCRIPTION...................................................................................................... 11 3.0 69 kV Power Lines.......................................................................................................12 3.1 12 kV Distribution Lines .............................................................................................16 4 – PROJECT COMPONENTS ................................................................................................ 20 4.0 Facilities Included Under the MSUP ...........................................................................20 4.1 Wood-to-Steel Conversion ...........................................................................................20 4.2 Single- to Double-Circuit Conversion .........................................................................31 4.3 69 kV Power Line Undergrounding .............................................................................33 4.4 12 kV Distribution Line Undergrounding....................................................................34 4.5 Existing 12 kV Distribution Line Removal .................................................................36 4.6 Access Road Modification ...........................................................................................38 5 – ALTERNATIVES ................................................................................................................. 41 5.0 Alternatives Originally Analyzed in the EA ................................................................41 5.1 Alternatives Requested by the USFS ...........................................................................42 5.2 No Project Alternative .................................................................................................49 5.3 Other Alternatives That May Be Analyzed in the EIS ................................................49 6 – RIGHT-OF-WAY ................................................................................................................. 50 7 – CONSTRUCTION ACTIVITIES ....................................................................................... 50 7.0 Access ..........................................................................................................................50 7.1 Workspace ....................................................................................................................54 7.2 Methods........................................................................................................................64 7.3 Erosion and Sediment Control and Pollution Prevention ............................................71 7.4 Fire Preparedness .........................................................................................................72 7.5 Equipment ....................................................................................................................74 7.6 Schedule .......................................................................................................................74 7.7 Personnel ......................................................................................................................74 8 – OPERATION AND MAINTENANCE ACTIVITIES ...................................................... 77 8.0 Right-of-Way Repair ...................................................................................................78 8.1 Pole Brushing ...............................................................................................................78 8.2 Application of Pesticides .............................................................................................78 8.3 Equipment Repair and Replacement ............................................................................79 8.4 Insulator Washing ........................................................................................................79 8.5 Tree Trimming .............................................................................................................80 8.6 Use of Helicopters........................................................................................................80 8.7 Fire Protection ..............................................................................................................80 9 – REQUIRED PERMITS AND AUTHORIZATIONS ........................................................ 81 10 – PRELIMINARY ENVIRONMENTAL RESOURCE EVALUATION ......................... 81 10.0 Air Quality ...................................................................................................................83 10.1 Biological Resources ...................................................................................................89 10.2 Cultural Resources .....................................................................................................116 10.3 Fire Hazards ...............................................................................................................123 10.4 Hydrology ..................................................................................................................128 10.5 Noise ..........................................................................................................................142 San Diego Gas & Electric Company April 2013 Cleveland National Forest Master Special Use Permit i Revised Plan of Development 10.6 Transportation and Traffic .........................................................................................146 10.7 Visual Resources ........................................................................................................159 10.8 Wilderness and Recreation ........................................................................................163 11 – REFERENCES .................................................................................................................. 165 LIST OF FIGURES Figure 1: Facilities Included Under the MSUP ............................................................................... 3 Figure 2: Facilities to Be Reconstructed ......................................................................................... 5 Figure 3: Proposed Action Components Map ............................................................................... 21 Figure 4: Connected Actions Components Map ........................................................................... 23 Figure 5: Similar Actions Components Map ................................................................................ 25 Figure 6: C449-C441 Underbuild Locations ................................................................................ 39 Figure 7: TL626 Potential Alternative Study Corridor ................................................................. 45 Figure 8: C157 Potential Relocation Alternatives ........................................................................ 47 Figure 9: Laguna Mountains Skipper Modeled Critical and Occupied Habitat ......................... 109 Figure 10: Fire Hazard Severity Map ......................................................................................... 125 LIST OF TABLES Table 1: 69 kV Power Line Pole Summary .................................................................................. 28 Table 2: 12 kV Distribution Line Pole Summary ......................................................................... 29 Table 3: 69 kV Power Line Single- to Double-Circuit Conversion Summary ............................. 32 Table 4: 12 kV Distribution Line Undergrounding Summary ...................................................... 34 Table 5: 12 kV Distribution Line Removal Summary .................................................................. 36 Table 6: 69 kV Power Line Access Road Summary ..................................................................... 52 Table 7: 12 kV Distribution Line Access Road Summary ........................................................... 53 Table 8: 69 kV Power Line Temporary Work Area Summary ..................................................... 55 Table 9: 12 kV Distribution Line Temporary Work Area Summary ............................................ 59 Table 10: Access Road Construction Equipment ......................................................................... 65 Table 11: 12 kV Distribution Line Underground Trenching Summary ....................................... 69 Table 12: Proposed 69 kV Power Line Construction Schedule .................................................... 75 Table 13: Proposed 12 kV Distribution Line Construction Schedule........................................... 75 Table 14: Peak 69 kV Power Line Construction Personnel .......................................................... 76 Table 15: Peak 12 kV Distribution Line Construction Personnel ................................................. 76 Table 16: Anticipated Permits and Approvals .............................................................................. 82 Table 17: SDAPCD Criteria Air Pollutant Exceedances During Construction – Proposed