1028 BROADWAY 2016-01-01 MF Import

i I 1.0 PROJECT OVERVFEW Ii.l Purpose and Scope This report accompanies the Site Design Revicw Application for the Everett Community College I Topper Parking Lot development. This project includes demolishing existing site surface features, concrete, gravel, rockeries, minor landscaping and small trees, utilities, etc., within the clearing limits; grading the site to design elevations; providfng storm drainage; and providing I temporary and permanenf erosion control facilities. An asphalt concrele parkin9 lot for 105 stalls will be constructed. Access will be provided by lwo Type-1 cement concrefe driveways. The 1.03-acre project site is localed in Secfion 17, Township 29 North, Range 5 East, Willamette I Meridian, in the City of Everett, Snohomish County, Washington. The project is located west of Broadway Avenue approximately 150 feet soutli of 10`�' Street. The site address is 1030 Broadway Avenue. See Appendix A, Exhibit 1 - Vicinity Map. The project comprises tliree � parcels, Nos. 2905170025100, 2905170024600, and 290517114300. It is bounded to the east by � Broadway Avenue, to the south by commercial developmen[s, and to the wesf and north by single-family residential properties. I The stormwater management systems described in this re�ort are designed to convey sformwater runoff from lhe proposed projecL Stormwafer conveyance piping will collecl runoff from the new parking surface. The new storm drainage system will fie into the exisfing 8-inch I combined sform and sanitary sewer main in Broadway Avenue. Flow control and wa[er quality treatment are not required (or this project. See Section 5.0. I The design for thfs project meets the requirements of the City of Everett Slonnwaler Ma�agement Manual,January 1997. � 2.0 PRELIMINARY CONDITIONS SUMMARY 2.1 Existing Conditions I2.1.1 Land Cover An existing holel and cell tower have recently been demolished on lhe site. The I northern one-third of the site has been covered with gravel. The remainder of the site I is predominantly concrnte and grevel with sparse weeds and a few small trees. A narrow strip of grass lies along the weslern boundary line. See Appendix A, Exhibif 2A. I2.1.2 Topography , I The site slopes ntoderately from the �vesterly boundary [oward Broadway Avenuc at slopes ranging from less than 1 permnt to 5 percent. 2.1.3 Soils � Site specific geotechnical investigation and analysis has been peiiormed by GeoEngineers and is induded in Section 7.0. In general, soiis onsite are composed of glacial till underlain by advance ouhvash deposits. IStonnwater Site Plan �Q : O Everett Community Colle9e Topper Parking Lol � I 20822110 LI t