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tT QFORCODEC.O <br /> 4-4 <br /> Alphe� 42.4 Y o ee_ Storm Water Drainage Report <br /> 0311 Minimum Requirements 2 <br /> 1891 c�,`''e ENGINEERING DEPARTMENT <br /> �, �QRSQ� 904 6th Street Anacortes, WA 98221 <br /> C O . 'OFIELD www.anacorteswa.gov <br /> Official Use Only: (Information to Inspectors) <br /> Required Storm Water Facility and other related requirements: <br /> Project Address: 2814 17th ST, Anacortes, WA 98221 Submittal Date: 07/19/2021 <br /> Parcel Number: P127442 Revision Number: <br /> Permit Number: Reviewer: Rob F <br /> Acceptance Date (COA): 7/30/21 <br /> FRONT OF REPORT: <br /> Submittal Checklist: (All items listed below are required for a complete submittal) <br /> o Cover Sheet (Preparer to Provide): Project title, Location, Revision dates, Engineer's Stamp <br /> o TAB 2: Minimum Requirement#2 — Construction Stormwater Pollution Prevention (SWPP) <br /> o APPENDIX 1 - Survey performed by a Professional Land Surveyor <br /> o APPENDIX 3 - Model Soil Management Plan for BMP T5.13 <br /> o APPENDIX 4 - Determining Construction Site Sediment Damage Potential (Appendix 7) <br /> o APPENDIX 5 - Site Plan with all applicable information (Minimum Size 11x17 — 30 scale) <br /> o APPENDIX 6 - Documented Site Photos (North, South, East and West) <br /> Stormwater Management Requirements: <br /> Refer to the 2012\14 Department of Ecology Manual, as amended in 2014 for further required <br /> information. <br /> See also, City of Anacortes Municipal Code 19.76 for additional information <br /> See also, current Engineering Development Standards, Chapter 2- Storm Drainage for additional <br /> information. <br /> Project Description and Summary: <br /> Summary Table <br /> Existing Proposed <br /> Development Type SFR <br /> Number of Lots 1 1 <br /> Lot Acreage in SF 13,485 sf 13,485 sf <br /> Soil Type(s) ML-CL, CH <br /> Site Sediment Transport Score (High\Low) >100 <br /> Depth to Ground Water Table (Feet and Inches) Site is mostly rock and impervious <br /> (See completed Soils Analysis (Volume 1, Chapter 3.1.1) <br /> Infiltration Rate during Rainy Season (Inch\Per Hour) <br /> Impervious Surface (on-site) 0 (Except ground is mostly rock) 5,839 sf <br /> I Impervious Surface (off-site) <br /> Version Date: October 7, 2019 Previous Version Date: February 20, 2019 <br />