b'STORMWATERCATALOGA = surface Area of Unit (ft 2 )The overflow rate can then be used with Table 3 to determine the StormTrooper unit that provides the desired TSS removal.The StormTrooper system is available in several models.The table below summarizes the various unit models and their corresponding dimensions. Table 1.StormTrooperSWAQ Models Storm Minimum VaultNumberNumberProjectedTotal Trooper SystemSystemSettlingSurface ofof StackSurface SurfaceModelLengthWidth DepthArea Plate Feet /Area ofArea of SWAQ(in) (in) (in) (sf) ColumnsColumnPlatesSystem (sf)(sf) 05843648211279100 109048483013119149 2012060485022.5198248 2514472487232.5297369 40180904811343475588 70204964813653594730 1102401204820063713913The characteristics of the catchment area are defined as Effective Area (EA).The Effective Area is the number of acres draining to a single treatment unit and is calculated using the following equation: EA = (A i* 0.9) + (A p* 0.3) Where:EA = Effective Area (ac) A i= Impervious Area (ac) A p= Pervious Area (ac)StormTrooper models can be selected from Table 2 below that will achieve an 80% TSS reduction at the corresponding Effective Areas shown. Table 2.StormTrooper Sizing Chart (for 80% Reduction) Effective Area - EAStormTrooper Acres Model Less than 0.13SWAQ-05 0.14 - 0.20SWAQ-10 0.21 - 0.33SWAQ-20 0.340.50SWAQ-25 0.510.79SWAQ-40 0.800.98SWAQ-70 0.991.23SWAQ-110 APPENDIX D11-33INFO@PARKUSA.COM|888-611-7275|WWW.PARKUSA.COM 377'