9909 2ND AVE W 2018-08-01 - Laserfiche WebLink

SUMMARY City Lights Project, an R3 Multi-family Residential development project proposes to build 27 single-family,homes on 3.73 acres. The project site is located on the east side of 1s`Avenue SW between 100th St. SW and 99th Place SW. The project site is located within the City of Everett, WA. Access to the site will be provided by two cement concrete driveways located on ls`Ave. SW. Two detention vaults are proposed to collect runoff from impervious surfaces and release to the projects down stream at pre-developed rates of 50% of the 2-year storm and 100% of the 10 and 100-year storm. The property will total 3.73 acres in area with an additional 0.31 acres of frontage along 2"d Avenue SW. During November 2005 and April 2007,HBA Design Group staff visited the site and observed existing drainage patterns,topography, and ground cover. EXISTING CONDITIONS The project site has a total area of 3.73 acres. The site is currently undeveloped. The site ground cover on the majority of the property is 2"d growth evergreens with understory. The east half of the property is mostly wetland and associated buffer and will remain undeveloped and un-impacted. The site topography of the site is flat. The entire site slopes east at a slope gradient of 3%-5% into a large wetland located on the east side of the property. According to the SCS Soil Survey for Snohomish County the predominant soil type on this site is a McKenna gravelly silty loam,hydrologic group D, Symbol 32. There are also areas of Alderwood-Urban land complex,hydrologic group C,Symbol 5 located on the western portion of the property and along the frontage of 2"d Ave. SW(see appendix for Soils Map). A Geotechnical Engineer was hired from Terra Associates,Inc. to study subsurface conditions and provide the resulting data. In their Geotechnical Report(see attached copy in the appendix) the soil type is identified as Vashon Till, which is an equivalent classification to Alderwood- Urban land complex. 4