Lions Wayside and Delucchi Parks Master Plan Initial Study/Mitigated Negative Declaration Prepared for: City of Pleasanton October 2015 Lions Wayside and Delucchi Parks Master Plan Initial Study/Mitigated Negative Declaration Prepared for: City of Pleasanton 200 Old Bernal Avenue P.O. Box 520 Pleasanton, CA 94566-0802 Contact: Adam Weinstein Planning Manager/Deputy Director of Community Development (925) 931-5606 Prepared by: AECOM 2020 L Street, Suite 400 Sacramento, CA 95811 Contact: Kristin Asmus Project Manager 916/414-5800 October 2015 TABLE OF CONTENTS Chapter Page ACRONYMS AND OTHER ABBREVIATIONS ............................................................................................................ iii NOTICE OF INTENT ........................................................................................................................................... NOI-1 MITIGATED NEGATIVE DECLARATION ........................................................................................................ MND-1 1 INTRODUCTION ......................................................................................................................................... 1-1 1.1 Background .................................................................................................................................. 1-1 1.2 Purpose of Document ................................................................................................................... 1-1 1.3 Document Organization ............................................................................................................... 1-2 2 PROJECT DESCRIPTION ........................................................................................................................... 2-1 2.1 Project Location ............................................................................................................................ 2-1 2.2 Project Purpose, Objectives, and Need ......................................................................................... 2-1 2.3 Project Description ........................................................................................................................ 2-2 2.4 Environmental Permits ............................................................................................................... 2-10 3 ENVIRONMENTAL CHECKLIST ................................................................................................................ 3-1 3.1 Aesthetics ..................................................................................................................................... 3-3 3.2 Agriculture and Forestry Resources ............................................................................................. 3-5 3.3 Air Quality .................................................................................................................................... 3-7 3.4 Biological Resources .................................................................................................................. 3-15 3.5 Cultural Resources ..................................................................................................................... 3-25 3.6 Geology and Soils ...................................................................................................................... 3-36 3.7 Greenhouse Gas Emissions ........................................................................................................ 3-42 3.8 Hazards and Hazardous Materials .............................................................................................. 3-45 3.9 Hydrology and Water Quality .................................................................................................... 3-52 3.10 Land Use and Planning ............................................................................................................... 3-62 3.11 Mineral Resources ...................................................................................................................... 3-64 3.12 Noise ........................................................................................................................................... 3-65 3.13 Population and Housing ............................................................................................................. 3-81 3.14 Public Services ........................................................................................................................... 3-83 3.15 Recreation ................................................................................................................................... 3-86 3.16 Transportation/Traffic ................................................................................................................ 3-88 3.17 Utilities and Service Systems ..................................................................................................... 3-95 3.18 Mandatory Findings of Significance .......................................................................................... 3-99 4 LIST OF PREPARERS ................................................................................................................................. 4-1 4.1 City of Pleasanton—Lead Agency ............................................................................................... 4-1 4.2 Environmental Consultants .......................................................................................................... 4-1 5 REFERENCES ............................................................................................................................................ 5-1 Lions Wayside and Delucchi Parks Master Plan IS/MND AECOM City of Pleasanton i Table of Contents Appendices A Air Emissions Calculations B Cultural Resources Technical Report C Noise Calculations Exhibits Exhibit 2-1. Regional Location ..................................................................................................................... 2-3 Exhibit 2-2. Project Location ........................................................................................................................ 2-4 Exhibit 2-3. Existing Bandstand ................................................................................................................... 2-5 Exhibit 2-4. Kottinger Creek Drainage Ditch—Lions Wayside Park (looking southeast toward First Street) ........................................................................................................................................ 2-5 Exhibit 2-5. Kottinger Creek Drainage Ditch—Delucchi Park (looking northeast toward Neal Street) ...... 2-5 Exhibit 2-6. Project Site Layout .................................................................................................................... 2-7 Exhibit 2-7. Rendering of New Bandstand ................................................................................................... 2-7 Exhibit 2-8. Diagram of Plaza in Delucchi Park ........................................................................................... 2-7 Exhibit 2-9. Box Culvert Cross Section ........................................................................................................ 2-9 Exhibit 3.9-1. FEMA Flood Zones ................................................................................................................ 3-55 Exhibit 3.12-1. Noise-Monitoring Locations ................................................................................................... 3-70 Tables Table 3.3-1. Lions Wayside and Delucchi Park Construction Emissions ................................................... 3-11 Table 3.4-1. Special-Status Plant and Wildlife Species with Potential to Occur in the Project Vicinity .... 3-16 Table 3.5-1. Previous Investigations within One-Half Mile of the Project Site .......................................... 3-30 Table 3.7-1. Unmitigated Project Greenhouse Gas Emissions .................................................................... 3-43 Table 3.8-1. GeoTracker Database Search Results1 .................................................................................... 3-47 Table 3.12-1. Summary of Noise Level Standards Recommended by the U.S. Environmental Protection Agency .................................................................................................................................... 3-66 Table 3.12-2. Groundborne Vibration Impact Criteria for General Assessment ........................................... 3-66 Table 3.12-3. Construction Vibration-Damage Criteria ................................................................................ 3-67 Table 3.12-4. California Department of Transportation Guidelines on Potential Criteria for Vibration Annoyance .............................................................................................................................. 3-67 Table 3.12-5. Ambient Noise Levels in the Project Area .............................................................................. 3-69 Table 3.12-6. Existing Traffic Volumes and Traffic Noise (dB) .................................................................. 3-71 Table 3.12-7. Construction Equipment and Calculated Noise Levels ........................................................... 3-74 Table 3.12-8. Traffic Noise—Existing plus Construction Conditions .......................................................... 3-75 AECOM Lions Wayside and Delucchi Parks Master Plan IS/MND Table of Contents ii City