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Broadway Everett Expansion Storm Drainage Report <br /> November 16, 2022 <br /> Table of Contents <br /> 1.0— PROJECT OVERVIEW........................................................................................................................1 <br /> 2.0—MINIMUM REQUIREMENTS................................................................................................................2 <br /> 3.0—SITE ANALYSIS...................................................................................................................................5 <br /> 3.1 - Phased Offsite Analysis.....................................................................................................................................5 <br /> 3.2- Downstream Analysis........................................................................................................................................5 <br /> 3.3- Soils/Infiltration Rates........................................................................................................................................6 <br /> 3.4- Critical Areas and Flood Plains.........................................................................................................................6 <br /> 4.0— PERMANENT STORMWATER CONTROL .........................................................................................7 <br /> 4.1 - On-Site Stormwater Management.....................................................................................................................7 <br /> 4.2- Conveyance System Analysis and Design........................................................................................................7 <br /> 5.0—SPECIAL REPORTS AND STUDIES...................................................................................................8 <br /> 6.0—OTHER PERMITS................................................................................................................................8 <br /> 7.0— CONSTRUCTION STORMWATER POLLUTION PREVENTION (MR-2)............................................9 <br /> 9.0—APPENDICES....................................................................................................................................15 <br /> Appendix A—Hard Surface Summary for Proposed Design........................................................................................15 <br /> Appendix B—Overall Flow Control Basin Map............................................................................................................16 <br /> AppendixC—Onsite Plans..........................................................................................................................................17 <br /> AppendixD—Geotechnical Report..............................................................................................................................18 <br /> AppendixE—WWHM Report.......................................................................................................................................19 <br /> AppendixF—Wetvault As-Built....................................................................................................................................20 <br /> List of Figures <br /> Figure1 Vicinity Map............................................................................................................................1 <br /> Figure 2 Minimum requirements Flow Chart.........................................................................................2 <br /> Figure 3 Downstream Flow Path Map...................................................................................................3 <br />