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IVY PLACE - PROPOSED CONDITIONS <br /> 17059 - IVY PLACE - PROPOSED Type II 24-hr 1-YEAR Rainfall=2.47" <br /> Prepared by Microsoft Printed 7/17/2017 <br /> HydroCAD® 10.00-19 s/n 02202 ©2016 HydroCAD Software Solutions LLC Page 16 <br /> Pond 2P: UNDERGROUND FILT DET POND 2 - Chamber Wizard Field A <br /> Chamber Model= CMP_Round 12 (Round Corrugated Metal Pipe) <br /> Effective Size= 12.0"W x 12.0"H => 0.78 sf x 20.00'L = 15.6 cf <br /> Overall Size= 12.0"W x 12.0"H x 20.00'L <br /> 12.0" Wide + 12.0" Spacing = 24.0" C-C Row Spacing <br /> 3 Chambers/Row x 20.00' Long +1.00' Header x 2 = 62.00' Row Length +12.0" End Stone x 2 = 64.00' <br /> Base Length <br /> 8 Rows x 12.0" Wide + 12.0" Spacing x 7 + 12.0" Side Stone x 2 = 17.00' Base Width <br /> 12.0" Chamber Height + 6.0" Cover= 1.50' Field Height <br /> 24 Chambers x 15.6 cf+ 15.00' Header x 0.78 sf x 2 = 397.4 cf Chamber Storage <br /> 1,632.0 cf Field - 397.4 cf Chambers = 1,234.6 cf Stone x 40.0% Voids =493.9 cf Stone Storage <br /> Chamber Storage + Stone Storage = 891.2 cf= 0.020 of <br /> Overall Storage Efficiency = 54.6% <br /> Overall System Size = 64.00' x 17.00' x 1.50' <br /> 24 Chambers <br /> 60.4 cy Field <br /> 45.7 cy Stone <br /> I <br /> Ili <br /> I <br /> 111 <br />