No preview available
HomeMy WebLinkAboutP_C1.2-DRAINAGE_191007_v1EVLTPS4°55'35"W 374.66'416418418418420422424426 426424 420 422 424NE 17TH STREETDUVALL AVENUE NE RAY RESIDENCE4615 NE 17th StPARCEL# 770310-0010VALVOLINE INSTANT OIL CHANGE1545 DUVALL AVE NEPARCEL# 516970-012380.00'S1°53'35"W R=25.00'A=40.61'D=93°03'57"N17° 1 6 ' 1 6 " E 43.1 8 ' N4°51'49"E 12.08'N88°06'25"W90.56'N88°06'25"W103.48'S88°06'25"EPROJECT DATASTORMWATER CRITERIA PER THE 2017 RENTONSURFACE WATER DESIGN MANUALFLOW CONTROLONSITE INCREASE IN RUNOFF DISCHARGE VS THEHISTORIC (FORESTED) CONDITIONS FOR 100YRSTORM EVENT (15 MIN TIMESTEPS) = 0.09 CFS*SINCE < 0.15 CFS, EXEMPT FROM FLOWCONTROL.WATER QUALITYSINCE < 5000 SF OF ONSITE POLLUTIONGENERATION IMPERVIOUS SURFACE, WATERQUALITY IS WAIVED.LEGENDC1.2DRAINAGECONTROLPLANT ERRAF ORMA DESIGN GROUP, INC. NO. DATE DESCRIPTION 17.007 PLOT DATE: 7/31/17 Michele Hill 17.007 HKM Warehouse 170728 AC20.pln 1625 DUVALL AVENUE NE, RENTON, WA 98059 DUVALL AVE. NE OFFICE BUILDING FOR JERROLD BAILETTDG JOB# 1903710/7/19PERMIT SUBM. 10/7//19