1732 121ST ST SE 2016-01-01 MF Import

C. A bafile-type oiVwater separator followed by a vegetated swale, both designed end constructed according to City standards. The presence of wetlands on/adjacent to this site indicate thnt the soils may not be suitabic fnr �;, ;�£:l:re!ion basin. If an infiltration basin is not feasible, a wetFond will b.• required. No �totmwater facilities, with the exception of necessary discharge systems, may be located inside wc!!and or stream buffer areas. Natural wetlands may not be used for detention of stormwater. 19. Per City policies, due to the proximity of the site to environmentally sensitive areas, seasonal limitations will be placed on land alteration activities. Land alteration activities are defined in the City's Design and Construction Standards and Specifications as clearing, grubbing, excavati�n, filling, grading, and stockpiling. Detemtination of the exact seasonal limitation period requires site specific information generally not available until the project aesign stage. �, However, preliminary analysis using the information available at this time indicates �� that land alteration activities on the project site will be restricted to the period between April 1 and October 1. 20. A Hydraulics Project Approval from the State Department of Fish and Wildlife may be required for this project due to its proximity to a North Creek tributary. More stringent detention and stormwnter treatment requirements than the City would impose may be placed on the project as a condition of the HPA. A copy uf the HPA or a letter from the Departmeat of Fish and Wildlife stating that an HPA is not needed should be included along with the plans for Public Works review. 21. A specially designated area will be required for washing of cars by tenants of the site. The area must be hydrologically isolated from the rest of the site, be covered, and wash water from the area must drain to the sanitary sewer aRer being routed through a F, Rle-type oiVwater separator designed to City staodards. Signs must be posted on the site limiting car washir,g to the designated area only. The tenant lease or rental agreement must contain a clause prohibiting car washing on the site outside of the specially designated area. A covenant must be recorded and signed by the owner stating that such a clause will be written into the tenant leases and/or rental agreements. In addition, a note stating that car washing is only permissible in the designated aea must be included on the storm drainage plans.As an alternative to the specially designated car washing area, hose bibs can be eliminated from the site or tenant access to them prevented. If this optien is exercised, the tenant lease or rental agreement must contain a clause prohibiting car washing on the site. A covenant must be recorded and signed by the owner stating that such a clause will be written into the tenant leases and/or rental