8920 EVERGREEN WAY THE RESERVE 2025-07-25

Stormwater Site Plan Report CG Project#13008.20 Chapter I — Project Description Chapter I Summary Narrative Vicinity Map Aerial Photograph The proposed project is a 177 unit senior apartment building located on a site at 8800 Evergreen Way in Everett, WA. The site parcel number is 00392300000302. The site is an irregular shaped parcel of 2.38 acres. In its existing condition,the site is generally pervious,with various plants or trees covering most of its area. Adjacent to Evergreen Way, there is approximately 0.25 acres of poor condition asphalt and concrete, which will all be removed during construction.There is also an access road running along the site's northeast property line,which will also be removed. This road is made of asphalt and encompasses approximately 0.08 acres. The site generally slopes southeasterly toward Highway 99. New/replaced impervious areas include: Building: 0.55 acres Pavement (Asphalt & Concrete Areas) 1.27 acres Total: 1.82 acres As shown on the Temporary Erosion and Sedimentation Control Plan, disturbance will affect the entire site. The proposed work is expected to yield approximately 3,670 cubic yards of cut and 3,560 cubic yards of fill. Design was per the 2010 City of Everett Stormwater Management Manual and the City of Everett Design and Construction Standards Manual. This report is based on the steps recommended in Volume 1, Section 3.2 of the Stormwater Manual. Using Figures 2.1 and 2.2 in the Stormwater Manual, it was determined that the project is required to address Minimum Requirements 1 through 9, with Minimum Requirement 8 being not applicable to this project. In the following sections,this report will discuss the site assessment, stormwater management techniques, erosion control, source controls, special studies, other permits, off-site conditions, hydrology,flow control,water quality, conveyance, and maintenance for the proposed project. 250 4th Ave South, Suite 200 Edmonds, WA 98020 ENGINEERING