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. <br /> • Pacific Topsoils Riverside site�torm Drainage Report <br /> GFK Consulting Inc. <br /> 9.3 SBUH basin calculations (entlre baain) <br /> Summary Report of all RLPooI Data <br /> ProJect Precips <br /> [6 month� 1.12 in <br /> [2 yr] 1.55 in <br /> [100 yr] 3.25 in <br /> BASLIST2 <br /> [Worst case bio swale basin] Using [TYPEIA]As[6 month] <br /> [Worst case bio swale basin] Using [TYPEIA]As[2 yr] <br /> [Worst case bio swale basin] Using �TYPEIA]As[100 yr] <br /> LSTEND <br /> BasinlD Peak Q Peak T Peak Vol Area Method Raintype Event <br /> - (cfs) (hrs) (ac-ft) ac - <br /> Worst cese bio swale besin <br /> 0.84 8.00 0.3025 4.00 SCS TYPEIA 6 month <br /> Worst case bio swale besin <br /> 7.23 8.00 0.1437 4.00 SCS TYPEIA 2yr <br /> Wont caae bio swab basin <br /> 2.74 8.00 1.0058 4.00 SCS TYPE7A 100 yr <br /> BASLI3T[TYPEIA]AS [6 month] DETAILED <br /> (Worst case bio swale basin) [LSTEND] <br /> LSTEND <br /> Drainage Area: Worst caae bio swale basin <br /> Hyd Method: SBUH Hyd Loss Method: SCS CN Number <br /> Peak Factor. 484.00 SCS Abs: 0.20 <br /> Storm Dur 24.00 hrs <br /> Area CN TC <br /> Pervious 0.0000 ac 0.00 0.00 hrs <br /> Impervious 4.0000 ac 98.00 0.19 hrs <br /> Total 4.0000 ac <br /> Supporting Data: <br /> Impervious CN Data: <br /> Paved processing area to be treated 98.00 4.0000 ac <br /> Impervious TC Data: <br /> Flow type: Description: Length: Slope: Cceff: Travel Time <br /> Sheet Pavement flow 500.00 ft 0.50% 0.011Q 10.98 min <br /> Channel Pipe flr�v from comer 100.00 ft 0.50% 42.0000 0.56 min <br /> Flaw Time Volume <br /> Summary: 2.'r407 cis 8.00 hrs 43810.98 cf- 1.0058 acft <br /> �- <br /> 2� g a�� <br /> s�zoiso,o ; <br /> C:\Project datalProject files\PTopsoils Rlverside site\Reports\Riverside4.doc % <br />