2219 PINEHURST AVE BASE FILE 2020-07-14

is PREPARATION OF STORMWATER SITE PLANS The project is subject to the provisions of the 2014 Department of Ecology Stormwater Drainage Manual. This report, along with the accompanying plans, is intended to satisfy the drainage manual's site plan preparation requirements. The DOE Drainage Manual outlines a number of minimum requirements which must be addressed as part of the design. The minimum requirements for"new development" projects are determined from Volume I, Figure 1.1 of the City of Everett drainage manual, as follows: Yes Is project exempt from all MR's per No requirements of DOE volume 1? DOE volume 'Apply I No Yes ' 1 Is project exempt from all MR's except > MR 2 applies to the project MR 2 per DOE volume I t No Does the existing site have 35%or more existing Yes impervious surface OR Go to Redevelopment flow does the project otherwise meet the definition of chart in Figure 1.2 redevelopment in DOE volume 1? No Does the project result in or add 2,000 square feet or No more of new plus replaced hard surface, OR MR 2 applies to the project. Include 7,000 square feet or more of land disturbing activity? > > Yes Does the project result in or add 5,000 square feet or more of new plus replaced hard surface, OR convert%acres or more of vegetation to lawn or Yes MR's 1 —5 apply to new and landscaped areas, OR replaced hard surface and convert 2.5 acres or more of native vegetation to all disturbed land. pasture? No v 1 MR's 1 —9 apply to new and replaced hard surface and converted vegetation areas. J The manual also requires completion of the following four tasks as part of the site plan preparation process: Pinehurst Ave. Duplex Drainage Report