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i. <br />b. Ratnfal.l Ilycto r h: <br />TLe L`IICLU9l•lI hyetoqraph o[ c:1n(al1 vcrnue Cln u •linwg u diut[L- <br />bu[ton o( raln(;ll 1n .0 mluutr UirrrmrnL; fo[ n 6 liour b[oYm <br />even[ (100 year). I.` 1[ in ae+eumeJ t i t the 2G I uur IAO ynor aCOnn <br />event includes all shorter durntion 300 yen• utotm uvente ne piven <br />in TP-40 theu r lnfull p Nor tu nnd n[ter lhc 6 huuC [rana evani'. <br />shovn v111 bc of Lov lnkenxlty. Thr hyrtag nph uhown borleontul <br />llnes for infllcr tlun cu[en of I, nnd 2 In d en p r huur. 1'hunc <br />uppear to be rca:onnhle ratcu hn:-.d on ;I e very nnnAy nr,ture oC <br />Plounds View sotic. Thc two L+flltn liun rntci {;lvu thu follcrinq <br />runoff valuc. <br />Tnllll[nClon R.lr <br />1!; ln./h <br />2 In,/ht <br />kuauf f-tnch!5 <br />1.59" <br />1.29". <br />BaseJ on Chu abovc ln[orniutluu, n i,.ir,11 rnln of l.7 1u hcu !x unud <br />in ou[ colculntionn for nll Jutncton iuuolf nvnnt.u. <br />tiX15T[NG 57'OItAG6 IN ScO:f'PLAND f_IUi6N I'!NII <br />Tupogenphtc Sn(utmatlun tor the p nd rten ia ba,uJ nn n sltu uur- <br />vey by Egan Fiold nnd Nnwnk !n 197L und inl r4ed nliota by ,ue flold crou <br />1n 1980. i'ho uJdlll,mnl.wurk uun r qulteJ n si!tcrinlnr i lWnkl 118 nlonp <br />the norch lina f rlcu apnrimnnt por,9nct. 'I I n 'nntn l el vatlnn nt lhn <br />prasen[ outlet uf thc amxnh nten le N41.9 (Invort uf ealvort). NOwevar <br />the !cu luvcl 1n fhc oucl+t chunnol fur hn muruh www uG tly2,2, <br />The Eulloving [uhlu nhov alovntlon voruu ereo nr, vulumu for\[he <br />exi ting mereh nrea. <br />roy Vulwnn Cumulaii• <br />Contour Aceon Al ±2_L/Y _._.AM_ <br />yValumn <br />AF. <br />tp <br />H94,0 0.95 <br />B96.0 9 99 <br />tl9s,Q 19.SN <br />rnNn nUT,F:'f ftAT11VU rnNUIS <br />U,d t.ia .17 <br />10.7) 9,0 10 77 <br />27 5Q 1.0 7.M1U <br />fl, f3U <br />0.17 <br />ll. G <br />At 04 <br />lindur tl o Clty nf Plunndx Vlua ,rdlnnnrr, nl4rr duvelopmmir, dlncharga <br />runnut uKCUA preJaesl yin ml dlnrhnr a. No nnrnmrd colivntar aontral for <br />tba 4 inah dln putuc uull t plpn. 'I'bu uillvntnr nlevd !un uead vue tl94.0 <br />4IIIC11 !x th cee• thn hnx w lntod lu i-Lu n c wh+n flooding occurr ot <br />l.ony.lAng I.nko ond noJ NIAµo I,mi• (tble nn umns 0.9 f et o! vncar et thr <br />r.unlurlln u( thc rwd nt N1Jµu 4una1.