Laserfiche WebLink
<br />TAgLE 5 - PROJECTED 100 YSAR FLOOD PLMN AT KLC'.'iA <br /> <br />IV. GlJIlJHINES Forr FLOOD PL,\I:\ \!.-l.;\.\GD1E:\T <br />--- . .~ <br /> <br /> ----.. <br />!lrSTAM]; FR()~j STREM,1 BED FLOOD Pl.AIN llF.,\l\ VELOCITY <br />BRIDGE-HET ELEVATION ELEVATIO;'; HE"f PER SEcoe:r <br /> rEET FeET <br />7464 S01..th S3,t8.G 6355.9 4.5 <br />1761 South b342.2 6353.4 4.3 <br />1026 South 63.')6.0 63H.8 7,5 <br />614 South 6331.5 6343.2 6,5 <br />464 South 6331.0 6341.8 7.8 <br />164 South 6330.0 6339.4 6.9 <br />291 North 6326.6 6337.2 5.0 <br />IGS4 North 6321.7 6331.9 U <br />1808 North 6316.2 6326.4 4.6 <br />2468 North 6312.0 6322.0 4,2 <br />2736 North 6311).0 6320.9 5 . 4. <br /> <br />, <br />, <br /> <br />Enclosed in this section is the irS Arm}" Corps of Ellgillcers <br />"Gllidelines for Flood Plain \lanagoi1cnt". Effective ordinances <br />ha.'c been adopted in various Cities. notah1r Co10r<<do SpriJl('"S, <br />". h i c h il re c 1 0 S e 1 y t ail 0 r<: d t,-, t!: (' 5 ~ )~ u i de 1 in es, :I r: d p r a 'I i d" an <br />effect lve tool for illlQh'ing controlled deve1opJt,cnt of othec~"ise <br />unusable arC35. <br /> <br />I <br />I <br />I <br />I <br /> <br />T~H' hrid ge ;!ppruach canst ricts the st ream fl ot>', C:lll~ i ng nn <br />incre<lso in the "'a ter surface of 1. () feet above normal f100<1 ~taEc, <br />~nd the I'o""trr CO\lTS(,~ through the bridge openi nr. in c:>:ees s of 12 <br />feet pcr second. <br /> <br />, <br />, <br />, <br />, <br /> <br />Ve1oc.:itjcs in the ch,wncl .:Ire consiGcrcd cro3i.vc if the exceed <br />3 feet per second and 5criausly erosive in exce~s of 7 feet rer <br />second, although the over bank velocitics (in the flood plain :I";"y <br />f,.om the creek) ar" in the vicinity of 2 feet per second. It is <br />anticipated th~t con~i,ler"hle cro,iOT1 will OCCllr durinp, il ~torm of <br />this ~lagnitud(, <<long the cr"ek banks, but that no gcriou$ damage or <br />1ns$ of the hridge should result. <br /> <br />investigati.ons for constrictions within the floodplain out- <br />side of th~ main channel have heen m,,,ie. It is entir~~y ,p,?ssih1e <br />to cOllslnKL r,n.ilit.i"" in t1li" fring" ..r~a, as ll"SL.l'lD"" HI th" <br />next section, provided that consideration is giVt'n to the flood\\'ater <br />elevation and velocity. Careful analysis should be made in each <br />_c.pecific installce, bCCitU5E' constrictions \>'i11 alter the flood plain <br />characteristj,'s at that point. <br /> <br />9 <br /> <br />, <br />, <br /> <br />" <br />