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McKennyKrugp <br />COmS GN— <br />Secondary Containment Assessment: <br />)verneaa view. <br />SLAB <br />DRAIN VtNr 'NL , ET INES �SLAB DRAIN (�) E3UiLD NG <br />OUTLET <br />14 r 3 12 1 1 0JTLET <br />9.17'D x '1' rl <br />5'D x 12' 10.5'D x 12' 10.5'D x 12' L;NcS <br />629 CF 039 CF ti39 CF 1C39 CF <br />40Ct), GAL ' CC0 GAL) ( 8000 GAL) t $COG GAL) <br />0 <br />i <br />cv <br />Cross sectional (lateral) view: <br />o T4 0 <br />NI <br />tF <br />1. 629 C <br />t 4000 GAL. I <br />T3 o <br />N <br />1039 CF <br />( 8000 GAL) <br />47' -71/e' <br />�o <br />T2 <br />i <br />sv <br />? C739 CF <br />' 8000 ''A' <br />East —� <br />T1 o <br />I <br />1OJ9 CF' <br />( 8000 GAI_) <br />4 - <br />Volume calculation: <br />(a) 10% of aggregate volume: 0.10(3737) = 375 CF (_2800 GAL) <br />(b) Volume of largest tank: 1039 CF (=8000 GAL) <br />(c) Volume 24 hour, 25 -year storm (3")- 0.25(47.6)(13.73) = 163.4 CF <br />(d) Calculated volume of the area, 2.83[(47.6)(13.73)-((2(86.6)+(52.4)]= <br />1211 CF <br />Volume Check: b + c < d <br />1039+163 = 1202 CF < 1211 CF ✓OK <br />STRUCTURAL & CIVIL ENGINEERING • CODE APPLICATIONS <br />PHONE: (916) 966-0762 <br />8020 SACRAMENTO ST FAX. (9 16) 966-0763 <br />FAIR OAKS, CA 95628 <br />http:/lwww. mckennykruq.com <br />