10110 19TH AVE SE 2018-01-02 MF Import

attached sheet entitled °Colansuction of Vegetated Swales" ahould be � �cluded on the p ThQ swale seed and plant list has also been updated. A copy of the list ie attached. The list of additional veqetation for bioffltration swales was written �or a one �oot wide • swale. Given that the awales on thia site are designed to be wider than one foot, the specification for each veqetation type must be chanqed from "25foot oe swaleNneal foot of awale" to "25 clumps Per sa`are The swale construction notea and awale plantir�g/seeding � requirements must belan�� on both the landscar�ng plan and the storm drainage p The attached detail showinq the crosa-section of the biofiltration/grass swale should blanscluThe detail willm drainage plans and the landscape p help clarify swale construction. A detail of the level spread�he elevationaof theuswale atven on the plans. In addition, each apreader ahould be called out �he gpreadersCabsolutely stressea the importance of setting leval. The larg�heogpeC.saheet ofsanbacceptablea appropriately environmentally sound wood preservative is attache . a„�faos ponat To help compensate for the reduction in swale length, the pond bottom should be lowered to 545' . With the invert of the outlet pipe left at 546' , a foot tf d��Vetsedimentlfrom created. The dead storaqe will help storm water and will increase the residence time of low shouldibetplantedewith wetland plantstsuch4asccattailsior yellow iris. These plants will help improve both the aesthetic appearance of the area ae well as thelanseshould quality anhancing aspects of the BYgtemToximately one per 4 call out planting at a frequency of aPP square feet of pond bottom. The 545' contour should be drawn in on the plans. thelpond,tonegatBthehlocationsofWthen�ond accesssroad andng one at the location of the pond restrictor manhole. �eQ;Q��ar Wash Ax'�� ordinances, a specially designated area is Per current City of cars by tenants of the complex. The required for washing , ,