Loading...
_TOCEspola Road Improvement Project Final EIR i May 2013 TABLE OF CONTENTS Section Title Page ES Executive Summary ..........................................................................................ES-1 1.0 Introduction and Project Description .................................................................. 1-1 1.1 Introduction ............................................................................................... 1-1 1.1.1 Introduction to Document Organization .......................................... 1-2 1.2 Project Location and Environmental Setting ............................................. 1-3 1.2.1 Location and Relation to Surrounding Roadways ............................ 1-3 1.2.2 Changes in Adjacent Uses/Planning Constraints ............................. 1-4 1.3 Project History ........................................................................................... 1-5 1.4 Project Objectives ...................................................................................... 1-7 1.5 Project Description .................................................................................... 1-7 1.5.1 Roadway Upgrades .......................................................................... 1-8 1.5.2 Construction Activities ................................................................... 1-11 1.5.3 Construction Control Measures ...................................................... 1-13 1.5.4 Utility Relocation ........................................................................... 1-13 1.5.5 Transit Service ................................................................................ 1-13 1.6 Required Discretionary Permits and Actions .......................................... 1-14 1.6.1 City Discretionary Actions ............................................................. 1-14 1.6.2 Other Discretionary Actions ........................................................... 1-14 2.0 Significant Environmental Impacts .................................................................. 2.1-1 2.1 Land Use and Planning ........................................................................... 2.1-1 2.1.1 Affected Environment ................................................................... 2.1-1 2.1.2 Thresholds of Significance ............................................................ 2.1-8 2.1.3 Impacts .......................................................................................... 2.1-8 2.1.4 Mitigation Measures .................................................................... 2.1-13 2.2 Visual/Aesthetics .................................................................................... 2.2-1 2.2.1 Affected Environment ................................................................... 2.2-1 2.2.2 Thresholds of Significance ............................................................ 2.2-9 2.2.3 Impacts ........................................................................................ 2.2-10 2.2.4 Mitigation Measures .................................................................... 2.2-22 2.3 Noise ....................................................................................................... 2.3-1 2.3.1 Affected Environment ................................................................... 2.3-1 2.3.2 Thresholds of Significance ............................................................ 2.3-6 2.3.3 Impacts .......................................................................................... 2.3-6 2.3.4 Mitigation Measures .................................................................... 2.3-11 2.4 Biological Resources .............................................................................. 2.4-1 2.4.1 Affected Environment ................................................................... 2.4-1 2.4.2 Thresholds of Significance .......................................................... 2.4-10 2.4.3 Impacts ........................................................................................ 2.4-10 2.4.4 Mitigation Measures .................................................................... 2.4-12 Espola Road Improvement Project Final EIR ii May 2013 TABLE OF CONTENTS (cont.) Section Title Page 2.0 Significant Environmental Impacts (cont.) 2.5 Cultural Resources .................................................................................. 2.5-1 2.5.1 Affected Environment ................................................................... 2.5-2 2.5.2 Thresholds of Significance ............................................................ 2.5-7 2.5.3 Impacts .......................................................................................... 2.5-8 2.5.4 Mitigation Measures ...................................................................... 2.5-8 2.6 Geology/Soils ......................................................................................... 2.6-1 2.6.1 Affected Environment ................................................................... 2.6-1 2.6.2 Thresholds of Significance ............................................................ 2.6-8 2.6.3 Impacts .......................................................................................... 2.6-8 2.6.4 Mitigation Measures .................................................................... 2.6-13 3.0 Effects Found Not to be Significant .................................................................... 3-1 3.1 Effects Found Not to be Significant During EIR Preparation ................... 3-1 3.1.1 Traffic/Transportation ................................................................... 3-1 3.1.2 Air Quality .................................................................................. 3-12 3.1.3 Hydrology and Water Quality ..................................................... 3-25 3.1.4 Hazards and Hazardous Materials ............................................... 3-45 3.1.5 Paleontological Resources .......................................................... 3-48 3.1.6 Public Services ............................................................................ 3-49 3.1.7 Population and Housing .............................................................. 3-52 3.2 Effects Found Not to be Significant During Initial Study Preparation .... 3-53 3.2.1 Aesthetics .................................................................................... 3-53 3.2.2 Agricultural Resources ................................................................ 3-53 3.2.3 Air Quality .................................................................................. 3-54 3.2.4 Hazards and Hazardous Materials ............................................... 3-54 3.2.5 Mineral Resources ....................................................................... 3-55 3.2.6 Noise ........................................................................................... 3-55 3.2.7 Population and Housing .............................................................. 3-55 3.2.8 Recreation ................................................................................... 3-56 3.2.9 Transportation and Traffic .......................................................... 3-56 3.2.10 Water and Waste Systems ........................................................... 3-57 4.0 Cumulative Impacts ............................................................................................ 4-1 4.1 Land Use .................................................................................................... 4-4 4.2 Visual/Aesthetics ....................................................................................... 4-4 4.3 Noise .......................................................................................................... 4-5 4.4 Biological Resources ................................................................................. 4-5 4.5 Archaeological Resources ......................................................................... 4-6 4.6 Geology and Soils ...................................................................................... 4-7 4.7 Traffic/Transportation ............................................................................... 4-7 4.8 Air Quality and Global Climate Change ................................................... 4-8 Espola Road Improvement Project Final EIR iii May 2013 TABLE OF CONTENTS (cont.) Section Title Page 5.0 Growth Inducement ............................................................................................ 5-1 6.0 Alternatives ......................................................................................................... 6-1 6.1 Introduction ............................................................................................... 6-1 6.2 No Project Alternative ............................................................................... 6-2 6.2.1 Description of the No Project Alternative ........................................ 6-2 6.2.2 Comparison of Effects of the No Project Alternative to the Proposed Project ............................................................................... 6-2 6.2.3 Conclusion ........................................................................................ 6-5 6.3 Alternatives Considered but Rejected ....................................................... 6-6 6.3.1 Alternative Location ......................................................................... 6-6 6.3.2 Design Alternatives Reviewed in Detail .......................................... 6-7 6.3.3 Additional Design Alternatives ...................................................... 6-11 6.4 Environmentally Superior Alternative ..................................................... 6-13 7.0 References .......................................................................................................... 7-1 8.0 List of Individuals and Organizations Contacted ................................................ 8-1 9.0 List of Preparers .................................................................................................. 9-1 LIST OF APPENDICES A Notice of Preparation of the EIR, Responses and Other Public Outreach B Noise Technical Report C Biological Technical Report D Cultural Resources Reports E Geotechnical Design Report F Traffic Analysis G Air Quality Technical Report H Preliminary Drainage Study I Preliminary Water Quality Technical Report J Phase I Environmental Site Assessment Espola Road Improvement Project Final EIR iv May 2013 TABLE OF CONTENTS (cont.) LIST OF TABLES Number Title Page ES-1 Permits and Approvals ..........................................................................................ES-8 ES-2 Significant Impacts and Proposed Mitigation .....................................................ES-16 1-1 Permits and Approvals .......................................................................................... 1-14 2.3-1 Measured Average Noise Level and Concurrent Traffic Volumes ..................... 2.3-3 2.3-2 City of Poway Noise Requirements ..................................................................... 2.3-6 2.3-3 Predicted Future Noise and Barrier Effectiveness Analysis ................................ 2.3-9 2.4-1 Existing Vegetation Communities within the BSA ............................................. 2.4-1 2.4-2 Existing Jurisdictional Areas within the Study Area ........................................... 2.4-6 2.4-3 Project Impacts to Vegetation Communities ..................................................... 2.4-11 2.4-4 Proposed Mitigation for Impacts to Sensitive Habitats ..................................... 2.4-13 2.5-1 Properties Constructed Prior to 1963 ................................................................... 2.5-7 2.6-1 Description of On-site Soil Properties ................................................................. 2.6-2 2.6-2 Fault Summary – Deterministic Site Parameters ................................................. 2.6-5 3.1.1-1 Signalized Intersection Level of Service – Highway Capacity Manual Operational Analysis Method ................................................................................. 3-2 3.1.1-2 2006 Roadway Segment Conditions ....................................................................... 3-5 3.1.1-3 2006 Existing Peak Hour Intersection Conditions .................................................. 3-6 3.1.1-4 Without and With Project Roadway Segment Conditions in the Near Term ......... 3-8 3.1.1-5 Without and With Project Peak Hour Intersection Conditions in the Near Term ........................................................................................................................ 3-9 3.1.1-6 Year 2030 Without and With Project Roadway Segment Conditions .................. 3-10 3.1.1-7 Year 2030 Without and With Project Peak Hour Intersection Conditions ........... 3-11 3.1.2-1 Ambient Air Quality Standards ............................................................................ 3-16 3.1.2-2 Ambient Background Concentrations ................................................................... 3-18 3.1.2-3 Attainment Classification and Number of Air Quality Violations at the Nearest Monitoring Station ................................................................................................ 3-19 3.1.2-4 Anticipated Project Construction Equipment ....................................................... 3-20 3.1.2-5 Estimated Construction Emissions ....................................................................... 3-21 3.1.3-1 Summary of Contaminant Sources for Urban Storm Water Runoff ..................... 3-27 3.1.3-2 Typical Contaminant Loadings in Runoff for Various Urban Land Uses ............ 3-27 3.1.3-3 Surface and Groundwater Quality Objectives for the Poway Hydrologic Area ... 3-33 3.1.3-4 Summary of Typical/Proposed Post-construction BMP Monitoring and Maintenance Efforts .............................................................................................. 3-44 3.1.4-1 Regulatory Agency Responsibility Matrix ........................................................... 3-45 4-1 Cumulative Projects ................................................................................................ 4-1 Espola Road Improvement Project Final EIR v May 2013 TABLE OF CONTENTS (cont.) LIST OF FIGURES Follows Number Title Page 1-1 Regional Location Map ........................................................................................... 1-4 1-2 Project Vicinity Map ............................................................................................... 1-4 1-3 Study Area and Potential Roadway Footprint ........................................................ 1-4 1-4a Proposed Project ..................................................................................................... 1-8 1-4b Proposed Project ..................................................................................................... 1-8 1-4c Proposed Project ..................................................................................................... 1-8 1-4d Proposed Project ..................................................................................................... 1-8 1-4e Proposed Project ..................................................................................................... 1-8 1-5 Typical Cross Section ............................................................................................. 1-8 1-6 Storm Drains ......................................................................................................... 1-10 2.1-1 Existing Land Uses .............................................................................................. 2.1-2 2.1-2 General Plan Land Use and Zoning Designations ............................................... 2.1-2 2.2-1a Landscape Units and Key View Points ................................................................ 2.2-2 2.2-1b Landscape Unit 1 ................................................................................................. 2.2-2 2.2-1c Landscape Unit 2 ................................................................................................. 2.2-2 2.2-1d Landscape Unit 3 ................................................................................................. 2.2-4 2.2-1e Landscape Unit 3 ................................................................................................. 2.2-4 2.2-1f Landscape Unit 4 ................................................................................................. 2.2-4 2.2-1g Landscape Unit 4 ................................................................................................. 2.2-4 2.2-1h Landscape Unit 5 ................................................................................................. 2.2-4 2.2-2a Parkway Landscape Theme ............................................................................... 2.2-12 2.2-2b Intersection Landscape Theme .......................................................................... 2.2-12 2.2-2c Bioswale and Sound Wall Landscape Themes .................................................. 2.2-12 2.2-2d South Segment Typical Landscape Elements .................................................... 2.2-12 2.2-2e Central Segment Typical Landscape Elements .................................................. 2.2-12 2.2-2f Northern Segment Typical Landscape Elements ............................................... 2.2-12 2.2-3a Typical City Sound Walls .................................................................................. 2.2-12 2.2-3b Typical Sounds Walls with Vegetation Screening............................................. 2-2.12 2.2-4 Photosimulation from Key View 1 .................................................................... 2-2.16 2.2-5 Photosimulation from Key View 2 .................................................................... 2-2.16 2.3-1 Noise Measurement and Noise Receiver Locations ............................................ 2.3-4 2.3-2 Noise Receivers and Proposed Barrier Locations ................................................ 2.3-8 2.4-1a Existing Vegetation and Sensitive Biological Resources .................................... 2.4-2 2.4-1b Existing Vegetation and Sensitive Biological Resources .................................... 2.4-2 2.4-2a Corps Jurisdictional Areas ................................................................................... 2.4-6 2.4-2b Corps Jurisdictional Areas ................................................................................... 2.4-6 2.4-3a CDFW Jurisdictional Areas ................................................................................. 2.4-6 2.4-3b CDFW Jurisdictional Areas ................................................................................. 2.4-6 Espola Road Improvement Project Final EIR vi May 2013 TABLE OF CONTENTS (cont.) LIST OF FIGURES (cont.) Follows Number Title Page 2.4-4a Impacts to Vegetation and Sensitive Resources ................................................ 2.4-10 2.4-4b Impacts to Vegetation and Sensitive Resources ................................................ 2.4-10 2.6-1 General Geology .................................................................................................. 2.6-3 2.6-2 Regional Fault Map.............................................................................................. 2.6-6 3.1-1 Existing Circulation Network ................................................................................. 3-2 3.1-2 Existing Roadway Segment Conditions .................................................................. 3-4 3.1-3 Near-term Roadway Segment Conditions Without and With Project .................... 3-8 3.1-4 Year 2030 Roadway Segment Conditions Without and With Project .................. 3-10 3.1-5 Hydrologic Designation ........................................................................................ 3-26 6-1 Typical Cross Sections – Alternatives 1, 2, and 3 .................................................. 6-8 6-2a Conventional Roadway – Alternative 1 .................................................................. 6-8 6-2b Conventional Roadway – Alternative 1 .................................................................. 6-8 6-2c Conventional Roadway – Alternative 1 .................................................................. 6-8 6-2d Conventional Roadway – Alternative 1 .................................................................. 6-8 6-2e Conventional Roadway – Alternative 1 .................................................................. 6-8 6-3 Typical Conceptual Landscape Plan for Alternatives 1 and 3 ................................ 6-8 6-4a Split Grade Roadway – Alternative 2 ................................................................... 6-10 6-4b Split Grade Roadway – Alternative 2 ................................................................... 6-10 6-5a Conceptual Landscape Cross-sections – Alternative 2 ......................................... 6-10 6-5b Conceptual Landscape Cross-sections – Alternative 2 ......................................... 6-10 6-6 Westerly Roadway Alignment – Alternative 3 ..................................................... 6-10 6-7 Two-lane Collector With Safety Improvements – Alternative 4 .......................... 6-12 6-8 Typical Cross Sections – Alternatives 4 and 4A .................................................. 6-12 6-9 Four-lane Intersection – Alternative 4A ............................................................... 6-12 6-10 Single-lane Roundabout – Alternative 5 ............................................................... 6-12 6-11 Typical Cross Section – Alternative 5 .................................................................. 6-12 Espola Road Improvement Project Final EIR vii May 2013 ACRONYMS AND ABBREVIATIONS AB Assembly Bill ADA Americans with Disabilities Act of 1990 ADT average daily traffic Affinis Affinis Environmental Services AGR agricultural supply AMSL above mean sea level APCD San Diego Air Pollution Control District APE Area of Potential Effect APN Assessor’s Parcel Number APWA American Public Works Association ARB California Air Resources Board ASR Archaeological Survey Report ASTM ASTM International Basin Plan Water Quality Control Plan for the San Diego Basin BAT best available technology BCLA biological core and linkage area BCT best conventional pollutant control technology BIOL biological habitats of special significance BMI benthic macroinvertebrate BMPs best management practices BOD biochemical oxygen demand BSA biological study area BSO Building, Structure and Object Record BV Bureau Veritas North America, Inc. CAA Clean Air Act CAAQS California Ambient Air Quality Standards CAD Computer Aided Design CAL/OSHA California Division of Occupational Safety and Health Caltrans California Department of Transportation CBC California Building Code CCR California Code of Regulations CDFW California Department of Fish and Wildlife CDMG California Division of Mines and Geology CEQ Council on Environmental Quality CEQA California Environmental Quality Act CERCLA Comprehensive Environmental Response, Compensation and Liability Act CFR Code of Federal Regulations cfs cubic feet per second CGS California Geological Survey CIP Capital Improvement Program Espola Road Improvement Project Final EIR viii May 2013 ACRONYMS AND ABBREVIATIONS (cont.) City City of Poway CMP corrugated metal pipe CNDDB California Natural Diversity Database CNEL Community Noise Equivalent Level CO carbon monoxide COCs constituents of concern COD chemical oxygen demand COLD cold freshwater habitat Corps U.S. Army Corps of Engineers County County of San Diego CRHR California Register of Historic Resources CSS coastal sage scrub CWA Clean Water Act dB decibel(s) dBA A-weighted decibel(s) DE diesel exhaust DEH County of San Diego Department of Environmental Health DTSC California Department of Toxic Substances Control EA Environmental Assessment EIR Environmental Impact Report EPA U.S. Environmental Protection Agency ESA Endangered Species Act EST estuarine habitat FEMA Federal Emergency Management Agency FHWA Federal Highway Administration g acceleration due to gravity GHG greenhouse gas Greenbook Greenbook Committee of Standard Specifications for Public Works Projects HA Hydrologic Area HCM Highway Capacity Manual HCP Habitat Conservation Plan HELIX HELIX Environmental Planning, Inc. HNL Hourly Noise Level HPSR Historic Property Survey Report HRER Historic Resource Evaluation Report HU Hydrologic Unit HUD U.S. Department of Housing and Urban Development Espola Road Improvement Project Final EIR ix May 2013 ACRONYMS AND ABBREVIATIONS (cont.) I-15 Interstate 15 IBC International Building Code ICC International Code Council IND industrial service supply IRIS Integrated Risk Information System Ldn day-night average sound level Leq equivalent sound level LED Light Emitting Diode LID low impact development LOS level of service LU landscape unit LUZP Land Use and Zoning Plan MAR marine habitat MBTA Migratory Bird Treaty Act MEC MEC Analytical Systems MEP maximum extent practicable mg/l milligrams per liter mg/m3 milligrams per cubic meter MHPA Multi-habitat Planning Area MIGR migration of aquatic organisms MLS mass loading station MS4 municipal separate storm sewer system MSATs Mobile Source Air Toxics MSCP Multiple Species Conservation Program MTS San Diego Metropolitan Transit System MUN municipal and domestic supply NAAQS National Ambient Air Quality Standards NAHC Native American Heritage Commission NATA National Air Toxics Assessment NCCP Natural Community Conservation Planning NDIR Non-dispersive Infrared Spectroscopy NEPA National Environmental Policy Act NES Natural Environment Study NHPA National Historic Preservation Act of 1966, as amended NNG non-native grassland NO2 nitrogen dioxide NOx nitrogen oxides NOP Notice of Preparation NPDES National Pollutant Discharge Elimination System NPPA Native Plant Protection Act Espola Road Improvement Project Final EIR x May 2013 ACRONYMS AND ABBREVIATIONS (cont.) NRCS U.S. Natural Resources Conservation Service NRHP National Register of Historic Places NWP nationwide permit O3 ozone OES Office of Emergency Services OSHA Occupational Safety and Health Administration Pb lead PFD Poway Fire Department PM2.5 particulate matter less than 2.5 microns in diameter PM10 particulate matter less than 10 microns in diameter ppm parts per million Project Espola Road Improvement Project PVC polyvinyl chloride PVRA Poway Valley Riders Association RARE rare, threatened and endangered species RCB reinforced concrete box culvert RCP reinforced concrete pipe RCRA Resource Conservation and Recovery Act REC1 contact water recreation REC2 non-contact water recreation Reserve Blue Sky Ecological Reserve ROC reactive organic compounds RTP Regional Transportation Plan RWQCB Regional Water Quality Control Board SANDAG San Diego Association of Governments SARA Superfund Amendments and Reauthorization Act SCS Soil Conservation Service SDAB San Diego Air Basin SHELL shellfish harvesting SHPO State Historic Preservation Officer SIP State Implementation Plan SO2 sulfur dioxide SOx sulfur oxides SPWN spawning, reproduction and/or early development SR 67 State Route 67 SRA Scientific Resources Associated SUSMP Standard Urban Storm Water Mitigation Plan SWRCB State Water Resources Control Board SWSAS Storm Water Sampling and Analysis Strategy Espola Road Improvement Project Final EIR xi May 2013 ACRONYMS AND ABBREVIATIONS (cont.) TCG TerraCosta Consulting Group, Inc. TDS total dissolved solids TeNS Technical Noise Supplement THPO Tribal Historic Preservation Officer TMDL total maximum daily load TME Transportation Master Element TMS Traffic Management System TNM Traffic Noise Model TSS total suspended solids URMP Urban Runoff Management Plan U.S. United States USFWS U.S. Fish and Wildlife Service USGS U.S. Geological Survey UST underground storage tank V/C volume-to-capacity ratio VMT vehicle miles traveled WARM warm freshwater habitat Weston Weston Solutions, Inc. WILD wildlife habitat Wilderness Area Clyde E. Rexrode Wilderness Area WQTR Water Quality Technical Report WURMP Watershed Urban Runoff Management Plan g/m3 micrograms per cubic meter Espola Road Improvement Project Final EIR xii May 2013 THIS PAGE INTENTIONALLY LEFT BLANK