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List#1 Summary Matrix <br /> Feasible or <br /> BMP# BMP Name BMP Criteria Infeasible Comment <br /> Lawn and Landscaped Areas: <br /> Post- Establish minimum soil quality and <br /> Construction and poll All pervious areas will be amended,as <br /> T5.13 Soil Quality and depth pollutant removal function.provide increased stormwater Feasible necessary,in accordance with BMP T5.13. <br /> Deoth <br /> Roofs: <br /> Development must protect at least <br /> 65%of the site in a forest or native 65%of the site cannot be dedicatd to forest <br /> T5.30 Full Dispersion condition,and a 100'vegetated Infeasible or native vegetation and 100 ft flowpaths <br /> flowpath must be provided for cannot fit within the developed site. <br /> discharged flows, <br /> Site must have 3 ft of permable soil The seasonal high groundwater elevation is <br /> from the proposed grade to the <br /> T5.10A Downspout Full seasonal HGW elevation and 1 ft Infeasible believed to be within 18 36 inches of the <br /> Infiltration separation from bottom of infiltration existing grade and the soils are not <br /> trench to the seasonal HGW elevation. permeable enough to support infiltration. <br /> Usable space must be present to site a The seasonal high groundwater elevation is <br /> feasibly sized rain garden or Infeasible believed to be within 18 to 36 inches of the <br /> T5.14A Rain Gardens bioretention system on a existing grade so the minimum 1 ft of vertical <br /> redevelopment si r i n canno be achieved. <br /> Usable space must be present to site a The seasonal high groundwater elevation is <br /> feasibly sized rain garden or Infeasible believed to be within 18 to 36 inches of the <br /> T7.30 Bioretention bioretention system on a existing grade so the minimum 1 ft of vertical <br /> redevelooment site seoaratwon cannot be achieved, <br /> Downspout A minimum 25'vegetated flowpath There are no downspouts on the proposed <br /> T5.1013 Dispersion must be provided for dispersed flows. Infeasible Pallet Shelters <br /> Systems <br /> Provide a length of perforated pipe The seasonal high groundwater elevation is <br /> Perforated Stub within a gravel filled trench to Infeasible believed to be within 18 to 36 inches of the <br /> TS.lOC out Connections accommodate infiltration,while existing grade so the minimum 1 ft of vertical <br /> se aration cannot be achieved. <br /> Other Hard Surfaces: <br /> Development must protect at least <br /> 65%of the site in a forest or native 65%of the site cannot be dedicatd to forest <br /> T5.30 Full Dispersion condition,and a 100'vegetated Infeasible or native vegetation and 100 ft flowpaths <br /> flowpath must be provided for cannot fit within the developed site. <br /> dascharaed flows, <br /> If outwash soils are present,field <br /> Permeable testing must indicate a native soil Per the NRCS Soil Survey,surface infiltration <br /> T5.15 Pavement saturated hydraulic conductivity Infeasible rates are limited across the majority of the <br /> greater than 0.30 in/hr.Pavement site(0.00-0.06 in/hr). <br /> slopes must not exceed 10 nercent. <br /> Usable space must be present to site a The seasonal high groundwater elevation is <br /> feasibly sized rain garden or Infeasible believed to be within 18 to 36 inches of the <br /> T5.14 Rain Gardens bioretention system on a existing grade so the minimum 1 ft of vertical <br /> Usable space must be present to site a The seasonal high groundwater elevation is <br /> feasibly sized rain garden or Infeasible believed to be within 18 to 36 inches of the <br /> T7.30 Bioretention bioretention system on a existing grade so the minimum 1 ft of vertical <br /> redevelopment si r in cannot be achieved. <br /> Provide a"transition zone"and A 10 ft vegetated flowpath can be achieved. <br /> T5.12 Sheet Flow minimum 10'vegetated flowpath to Feasible Downspout dispersion systems will be <br /> Dispersion attenuate flows from driveways/hard <br /> installed onsite. <br /> T5.11 Concentrated A minimum 25'vegetated flowpath N/A N/A <br /> Flow Dispersion must be provided for dispersed flows. <br />