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Type II 24-hr 1-Year Rainfall=2.48"21308 - PROPOSED <br /> Printed 7/15/2021Prepared by {enter your company name here} <br />Page 11HydroCAD® 10.10-6a s/n 02202 © 2020 HydroCAD Software Solutions LLC <br />Pond 1P: FILTRATION BASIN - Chamber Wizard Field A <br />Chamber Model = Prinsco HydroStor v2 HS75 (Prinsco HydroStor with Cap storage) <br />Effective Size= 45.4"W x 29.0"H => 6.55 sf x 7.08'L = 46.4 cf <br />Overall Size= 51.0"W x 29.7"H x 7.26'L with 0.18' Overlap <br />Cap Storage= 2.8 cf x 2 x 12 rows = 66.0 cf <br />51.0" Wide + 6.0" Spacing = 57.0" C-C Row Spacing <br />17 Chambers/Row x 7.08' Long +0.84' Cap Length x 2 = 121.96' Row Length +12.0" End Stone x 2 = <br />123.96' Base Length <br />12 Rows x 51.0" Wide + 6.0" Spacing x 11 + 12.0" Side Stone x 2 = 58.50' Base Width <br />6.0" Stone Base + 29.7" Chamber Height + 6.0" Stone Cover = 3.48' Field Height <br />204 Chambers x 46.4 cf + 2.8 cf Cap Volume x 2 x 12 Rows = 9,523.0 cf Chamber Storage <br />25,199.2 cf Field - 9,523.0 cf Chambers = 15,676.2 cf Stone x 40.0% Voids = 6,270.5 cf Stone Storage <br />Chamber Storage + Stone Storage = 15,793.5 cf = 0.363 af <br />Overall Storage Efficiency = 62.7% <br />Overall System Size = 123.96' x 58.50' x 3.48' <br />204 Chambers <br />933.3 cy Field <br />580.6 cy Stone