Cover
Notice of Intent
Title Page
Table
of Contents
Draft Mitigated Negative Declaration
A.1 Introduction
A.2 Project Description
A.3 Alternatives
A.4 Environmental Determination
Initial Study
Environmental Checklist
Form
B.1 Project Description (6MB)
B.1.1 Project
Title
B.1.2 Project Sponsor’s
Name and Address
B.1.3 Lead
Agency Name and Address
B.1.4 Lead
Agency Contact Person and Phone Number
B.1.5 Project
Location
B.1.6 Surrounding
Land Uses and Setting
B.1.7 General
Plan Designation
B.1.8 Zoning
B.1.9 Project
Overview
B.1.10 Project
Components
B.1.11 Project
Construction
B.1.12 Operation
and Maintenance
B.1.13 Applicant
Proposed Measures
B.1.14 Other
Permits and Approvals
B.2 Environmental Determination
B.2.1 Environmental
Factors Potentially Affected
B.2.2 Environmental
Determination
B.3 Environmental Analysis and Mitigation
B.3.1 Aesthetics
B.3.2 Agricultural and Forestry Resources
B.3.3 Air Quality
B.3.4 Biological Resources (6MB)
B.3.5 Cultural Resources
B.3.6 Geology and Soils
B.3.7 Greenhouse Gas Emissions
B.3.8 Hazards and Hazardous Materials
B.3.9 Hydrology and Water Quality
B.3.10 Land Use and Planning
B.3.11 Mineral Resources
B.3.12 Noise
B.3.13 Population and Housing
B.3.14 Public Services
B.3.15 Recreation
B.3.16 Transportation/Traffic
B.3.17 Utilities and Service Systems
B.3.18 Mandatory Findings of Significance
C. Mitigation
Monitoring Plan
Tables
B.1-1
Construction Equipment and Workforce Estimates by Activity
B.1-2
Telecommunication Construction Personnel and Equipment
B.1-3
Fiber Optic Telecommunication Cable Construction Personnel and
Equipment
B.1-4
Applicant Proposed Measures (APMs)
B.1-5
Permits that May Be Required for the Proposed Downs Substation
Expansion Project
B.3.1-1
Visual Sensitivity–Visual Change Guidance for Review of Impact
Significance
B.3.3-1 National
and California Ambient Air Quality Standards
B.3.3-2 Attainment
Status for Project Areas
B.3.3-3 EKAPCD
and MDAQMD Significance Thresholds
B.3.3-4 Estimated
Construction Emissions
B.3.4-1 Special-Status
Species that Could Occur in the Project Vicinity
B.3.4-2 Applicant
Proposed Measures – Biological Resources
B.3.5-1 Cultural
Chronology
B.3.5-2 Newly
Recorded Isolated Finds
B.3.5-3 Cultural
Resources within the Proposed Project Area of Direct Impact
B.3.5-4 Applicant
Proposed Measures – Cultural Resources
B.3.6-1 Key
Characteristics of Soils Underlying the Proposed Project
B.3.6-2 Significant
Active and Potentially Active Faults within 50-miles of the Proposed Project
B.3.8-1 GeoTracker Sites within 0.25-miles of Proposed Project
Components with Ground Disturbance
B.3.10-1 City
of Ridgecrest Regulations, Plans, and Standards
B.3.12-1 Downs
Substation Ambient Noise Levels
B.3.12-2 Downs
Substation Operational Noise Levels
B.3.12-3 Typical
Construction Equipment Noise Levels
B.3.13-1 Year
2009 Existing Conditions – Population, Housing, and Employment: City of
Ridgecrest
B.3.14-1 Service
Providers
B.3.16-1 2010
Highway Characteristics
B.3.16-2 2010
Arterial Roadway Characteristics
B.3.16-3 Temporary
Lane Closures Associated with Subtransmission and
Telecommunication Infrastructure Installation
B.3.17-1 Utility
Providers
B.3.17-2 Landfill
Capacity
C-1 Mitigation Monitoring Plan
Figures
B.1-1 Regional Location Map
B.1-2 New Downs 115/12 kV Substation
115 kV Looped Configuration
B.1-3 Electrical Needs Area
B.1-4 Aerial View of Downs Substation
Area
B.1-5 Downs Substation Area with
Proposed Substation Expansion
B.1-6 Layout of Downs Substation with
Proposed Expansion
B.1-7 Proposed Subtransmission
Line Route
B.1-8 Existing 115-kV Subtransmission Line Routes in the Vicinity of the
Project Area
B.1-9 Proposed 115-kV Subtransmission Line Routes in the Vicinity of the
Project Area
B.1-10 Subtransmission
Structure Dimensions
B.1-11 Overview of Proposed Fiber Optic
Telecommunication Cable Route
B.1-12
Proposed Fiber Optic Telecommunication Cable Route - Segment 1
B.1-13
Proposed Fiber Optic Telecommunication Cable Route - Segments 1
and 2
B.1-14
Proposed Fiber Optic Telecommunication Cable Route - Segments 2
and 3
B.1-15
Proposed Fiber Optic Telecommunication Cable Route - Segments 3
and 4
B.1-16 Proposed Fiber Optic
Telecommunication Cable Route - Segment 4 (Continued Southern Part)
B.1-17 Proposed Fiber Optic
Telecommunication Cable Route - Segment 4 (Continued Northern Part)
B.1-18 Proposed Fiber Optic
Telecommunication Cable Route - Segment 4 (End)
B.1-19 Temporary Staging Yard Locations
B.3.1-1A/1B KOP 1 – Downs Street Existing View
and Simulation of Proposed Substation Expansion
B.3.1-1C KOP 1 – Downs Street
Simulation of Proposed Landscaping
B.3.1-2A/2B KOP 2 – East Church Avenue Existing
View and Simulation of Proposed Telecom Cable
B.3.1-3A/3B KOP 3 – Eastbound SR 178 Existing
View and Simulation of Proposed Structure Replacement
B.3.4-1 Downs Substation Vegetation
Communities
B.3.4-2 Vegetation Communities - Western
Project Area
B.3.4-3 Vegetation Communities - Central
Project Area
B.3.4-4 Vegetation Communities - Eastern
Project Area
B.3.4-5 Vegetation Communities - Northeastern
Project Area
B.3.4-6 Drainages in Survey Area – Western
Project Area
B.3.4-7 Drainages in Survey Area – Central
Project Area
B.3.4-8 Drainages in Survey Area – Eastern
Project Area
B.3.4-9 Drainages in Survey Area –
Northeastern Project Area
B.3.6-1 Regional Active Faults and Historic
Earthquakes
B.3.6-2 Little Lake Fault Zone
B.3.12-1 Aerial Image Showing Ambient
Noise Measurement Locations and Data Results
B.3.12-2 Aerial Image Showing Noise Impact
Contours from Proposed Facility Operations
Appendices
1 List of Preparers
2 References
3 Air Quality Emission Calculations
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