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:;hcot ParkinA SuAaco Flow <br />Channel SD Pipo <br />Imp�rvlous TC Data: <br />Flowtype: Dea:riptlon: <br />Shoct Parkmg Lot <br />Channd SD Pipo <br />APPEND[X A <br />131.OQ h 0.50°: <br />�73.00 ft 0.50% <br />Unpth: Slopc: <br />170.00 II 0.505t. <br />373.DOIt 0.50% <br />0.0700 3.49min <br />42.0000 2.09 min <br />CocN: TravelTime <br />0.0100 �.28 min <br />�2.0000 2.OA min <br />RLPCOMPUTE�RLPooIJSUMMARY <br />2 yr Match O: D.0266 ds Peak Qn 0: 0.027G ds - Peak Stp: 102.28 h- AaNn Vol: 9176.98 cf <br />10 yr �.7atc.h O: 0.1959 c1s Peak Out 0: 0.1150 ds • Peak Stq: 102.32 h- AdNe Vol: 3259.83 cf <br />700 yr hlatch o- 0.2813 da Poak Out O: 02071 ds - Peak Stp: 102.6311 • Aclive Vol: 3910.06 cl <br />NadelD:Pond <br />Dcsc: PonO <br />S�an EL tOD.0000 tt <br />Conlr�b �asin: ProposeA 1V0 <br />Lenpth s51 ss2 <br />51.0000 ft �.00h:lv 3.00h:tv <br />Max EI: <br />Caxn6 Hyd: <br />V�id�h <br />17.0000 ft <br />102.7000 ft <br />s53 ssb <br />a.00h:1v 3.00n:lv <br />Slreambank Erosion Control DetenNon Vclume <br />PonJ � olumc bascd an a�yuircd rcicase r�tcs = 3522 c( <br />Sitc impervious Cover = IINI x 29,237sf / 40,2�Ssf = 73 m=> <br />Carrcclion fucto� = U.39 �xr GS�1M fiFure I•3J --- �IeQ s�_p W <br />AdJiliunal velume requircd based on cortection factor 0.39 • J522 cf = 137d cf Y` <br />"I'otai �•olume requircd = 352? of + I374 cf = J896 cf �BS��� roeJL�,e <br />Total �'olumc providcd = 4R9G cf �� 1� P <br />�u �R�'i1e <br />Cantrol Structure 10: Control Shucture - Multipin Orifice Struclure �,_� Vo <br />Desuip: Muliipla OrM�ce � � <br />Start EI Max EI Inaoment �- eG fjG r` r�� Q <br />�oo.c000n �oz.�000n o.io <br />a�i coon: o.cz Bottom EI: 0.00 h s vr� <br />Lowesl Diam; 0.8203 in S eC 'y� Z y <br />outto2n0: 228001t Diam: 4.(�Win 3.%'� wR <br />2nd to 3rd� 0.35001t Diam: 1.0000 in '�' \ M pi� ,� \ <br />� ��, �,3 _ � <br />25-yr Peak Plow for Pipe Capacity Calculations <br />I'rak flow (rom all of impcn•inus surfare fnr?Syr smrm:11.34 cG /� p,� e <br />L <br />0 <br />25-yr <br />storm O lul� <br />Slrucluro cfs Slo Dlam n els De lh fl V f e <br />P� 0.31 D.005 10 1.68 0.25 2.A1 <br />Cnnclusion: <br />The capacity ( I.fiS cCa) of any o[ Ihe piFx:s is greater Ih�m the Ouw Gom Ihe 25-}'r storm <br />cvcnl. <br />Sincc V< 5 fp+, nu nxk lining is rcyuircd fo� autfall protcdion. <br />�)nini(lvi,IrOr.cr0.�pa:.A�vJuAGrc �r]:]lU <br />Ib�,ro 3 ul I <br />