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STORM WA"I LR SI TG PLAN <br />:�UGUS7':� 1VOODS CONDOMINIU�IS <br />hL11' 2Q ?003 <br />PAGG 1(i <br />P:AIS�'ING (3AS[N 6 <br />This basin has a U-ibutaiy �uec� oC 0.33 acres in the existing co,iditions. The ground cover <br />has been taken as undisturbed forest. <br />Land Use CN Arca(ac) <br />Trces & Brush 76 0.33 <br />Thc flo�a pnth for the time of concentration calculation consists of thc following: <br />Plow Type Len�th (ft) Slo� 8/ft Timc (min) <br />Shcct �low (trees) 1�0 0.04 32.3 <br />Totul timc of concentration = 32.3 minutcs. <br />"I'he existing runoff rates arc: <br />Retum Pcriod Pc.ik katc(cis) Volumc(ct) <br />2 Year O.Ofi 244 <br />10 Ycar 0.�� 649 <br />100 Year O.OG 1,407 <br />Scc Anpendix C for StorniSlr_d�" hasin output. <br />BYP,ISS O�TSI'CE BASIN <br />This basin is locatcd offsitc and has a tnUutary :irca of 2.00 acres. Runoff trom ihis basin <br />is not requircd to be detained. It has bce�7 cacluated to upsize the Flo�v control structure. <br />The runoff will be collected in swale/bemis alon�s the cast property linc �nd conveyed to <br />thc li��c storagc portion of thc vault. <br />Land Usc CN Arc:i(a� <br />Lt�wn S6 2.1i0 <br />ilic tlow path for tl�e timc of cunccntration calculation consists of thc following: <br />Plo�v Tvnc Lcneth (it) Slot�c (R/ttl Time (min) <br />Shect Plow (lawn) 300 0.0? 339 <br />Shallow Clow Qa�vn) �50 0.02 -{.S <br />1'otal timc ofcuncentration = 33.7 minutcs. <br />"�hc runo(t rates arc: <br />Retum Period Peak Rate(cfs) Vo�umc(ct] <br />2 Ye.�r Q I4 : ,777 <br />10 Ycar 03i '1,.}9? <br />100 Year 0.70 13.�13 <br />See Appendix C for Stonr.ShcdT" basin output. <br />llCT,VNLU OGFSfCE BASIN <br />This basin is locatcd ofrsitc and has a tributary arca of 3.00 acres. Rw�o1'f from diis basin <br />is nut required to bc detaincd, but will bc dctained to mitigate thc dcvcloped runoff from <br />basins 3&�1 as diey are not proposed to L- <br />swale/benns along the east property line and <br />vault. <br />Land Use CN Area(a� <br />Lawn 36 3.00 <br />J lncr..ccC:ryAo;vs�a YJcoa, Sno Pian oJ-oProxumenisSSPo]�0]] CoCDWH/sr'n <br />e detained. Thc runotf will be collected in <br />com�cycd to the live storage portion of thc <br />)7 <br />