3326 PAINE AVE 2018-01-01 MF Import

1. INTRODUCTION This document is intended to provide the engineering information �ecessary to support the construction plan submittal to the City of [verett for this site. The site covers 0.72 acres. The area of disturbance for this project is focused along the north side of the parcel and includes approximately 11,500 sf of on-site and off-site improvements and disturbances. Therefore, the total disturbed area will be 0.26 acres. This project witl include some off-site paving within the Paine Ave R.O.W. to the east and alley to the west. In addition, the on-site improvements include pavement f�r parking and a loading dock.. This project proposes to create 0.24 acres of new impervious surfaces including roof, paricing and ramp for the loading dock. This will reyuire the construction of stormwater conveyance and detention facilities. Roof runoff from the new covered loading dock will be discharged onto the proposed pavement and collected in the parking lot collection system. Runoff from the loading ramp will be collected in a trench drain and connected directly to the combined stormisewer system as bypass. All of the proposed parking area as well as new roof area will be collected and conveyed to a detention pipe prior to release from the site. The site stormwater improvements were designed lo meet the COE 2010 Stormwater Management Manual along with the modifications to the standards contained in the interim Public Works Policy#2-11. l"he site is located west of Paine Ave at 3324 Paine Ave., in the City of Everett, and in S=ction 29, Township 29N, Range 5E, Willamette Meridian. See Figure 1 -Vicinity Map. 11-115 Glacier PropeAies page -4 December2011