J_2024 05 09_West Orange Stormwater Management Plan

Stormwater Management Plan Revision 0 Table of Contents TABLE OF CONTENTS Page No. 1.0 SITE CONDITIONS ........................................................................................... 1-1 1.1 Site Description .................................................................................................... 1-1 1.2 Project Description............................................................................................... 1-1 1.3 Project Stormwater Management Requirements ................................................. 1-1 1.4 Soils...................................................................................................................... 1-2 1.5 Floodplain ............................................................................................................ 1-3 2.0 HYDROLOGY AND HYDRAULICS .................................................................. 2-1 2.1 Rainfall Data ........................................................................................................ 2-1 2.2 Runoff Data .......................................................................................................... 2-1 2.3 Stormwater Management Facilities ..................................................................... 2-3 2.4 Results .................................................................................................................. 2-6 2.5 Other Stormwater Conveyance ............................................................................ 2-8 3.0 BEST MANAGEMENT PRACTICES ................................................................ 3-1 3.1 NJDEP’s Low Impact Development Checklist.................................................... 3-1 4.0 SOIL EROSION AND SEDIMENT CONTROL MEASURES ............................ 4-1 5.0 CONCLUSIONS ................................................................................................ 5-1 APPENDIX A – DESIGN NOTES APPENDIX B – HYDROCAD OUTPUT B.1 Pre-Developed Outfall = O-AquaShield B.2 Pre-Developed Outfall = O-1 B.3 Pre-Developed Outfall = O-2 B.4 Post-Developed Outfall = O-AquaShield B.5 Post-Developed Outfall = O-1A B.6 Post-Developed Outfall = O-1B B.7 Post-Developed Outfall = O-2 B.8 Post-Developed Stormwater Conveyance = 25-Year APPENDIX C – CIVILSTORM OUTPUT APPENDIX D – STORMWATER MAINTENANCE PLAN & FIELD MANUALS APPENDIX E –SUBSURFACE

O-1B B.7 Post-Developed Outfall = O-2 B.8 Post-Developed Stormwater Conveyance = 25-Year APPENDIX C – CIVILSTORM OUTPUT APPENDIX D – STORMWATER MAINTENANCE PLAN & FIELD MANUALS APPENDIX E –SUBSURFACE INVESTIGATION APPENDIX F – REFERENCE MATERIALS Public Service Electric & Gas Company TOC-2 Burns & McDonnell