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i m <br /> STORIVIWATEI,,...��.......•• <br /> `°••^• ...""SOWTlONSirc. <br /> Project Name: Bank of Washington Everett <br /> SBUHIWWHM Ratio Calc. <br /> 6-month/24 hr precip 1.08 in Enter Precip.of city <br /> Online or Offline online Enter if system is online or offline <br /> SBUH WQ Flow Rate 0.19 cfs Enter SBUH calculated WQ flow rate <br /> Computed Ratio 1.48 . <br /> Filtration brand StormFilter Enter brand of filter to use <br /> Cartridge height 18 in Enter maximum height of cartridge allowed <br /> Specific Flow Rate 1.0 gpm/sf Enter specific flow rate , <br /> Flow rate per cartridge 7.5 gpm/cart Cartridge flow rate based on brand,height,spec flow rate <br /> WWHM WQ Flow Rate 0.13 cfs Adjusted flow rate to WWHM , <br /> #of Cartridges 8 Cartridges Number of Cartridges required using adjusted water <br /> quality flow <br /> SBUH PealdWWHM On-Line 15-min WQ Flow Ratio vs 6-month Precipitation for 0%to 100/ SBUH PeakIWWHM Off-Une 15-min WQ Flow Ratio vs 6-month Percipitation fa <br /> impervious Areas 0%to 100%Impervious Areas <br /> 4.5 8 <br /> y=1.4244x-0.057 y=2.5x-7E-15 <br /> 4 R2=0.9999 7 R2=1 <br /> 3.5 6 <br /> 3 5 <br /> Z 2.5 Z <br /> 0 0 4 <br /> n <br /> le 2 re <br /> 3 <br /> 1.5 <br /> 1 2 <br /> 0.5 1 <br /> 0 0.5 1 1.5 2 2.5 3 0 0.5 1 1.5 2 2.5 3 <br /> 6-month,24-hr precipitation(72%of 2-year),inches 6-month,24-hr precipitation(72%of 2-year),Inches <br />