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Drainage Report— 1 ,)K <br /> Boeing Everett— Rail Spur Parking Lot September 26, 2013 <br /> 1. PROJECT OVERVIEW <br /> The project involves the construction of a new 104,823 SF concrete parking lot in an existing <br /> grass field just south of Gate E-70 at the Boeing Everett Facility. The new concrete parking lot <br /> will discharge to an existing stormwater detention pond to the west of Perimeter Road and will <br /> not require additional flow control or water quality facilities. The project will adhere to the <br /> requirements stipulated in the 1992 Department of Ecology Stormwater Management Manual for <br /> the Puget Sound Basin (hereafter referred to as the Stormwater Manual). <br /> Construction will take place on a previously undeveloped site within Boeing's Everett campus <br /> and therefore is classified as new development per Volume I, Chapter I-2, Section I-2.4.1 of the <br /> Stormwater Manual. This section requires that all new development that includes the creation or <br /> addition of 5,000 square feet or greater of new impervious surface area and/or land disturbing <br /> activity of one acre or greater must comply with Minimum Requirements #1 through #11 and <br /> prepare a Stormwater Site Plan. The Minimum Requirements are addressed in Section 5 of this <br /> report. <br /> PROJECT LOCATION <br /> • 11114141P <br /> • Jr0 <br /> BOEING-EVERETT � ^ ' ` , <br /> • JAPANESE GULCH <br /> a n I'I „ . SR 526 <br /> FIGURE 1 Site Location <br /> 2. PROJECT PLANS <br /> The project plans, designed in accordance with the Stormwater Manual, have been submitted <br /> under separate cover. See APPENDIX C for the TESC Plan and APPENDIX D for the Site <br /> Plans. <br /> DCG, Inc. Page 1 of 11 <br />