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<br />'. <br /> <br />. <br /> <br />. <br /> <br />how t.his !1erJ w~ter supply sto~<3ge WQulrl be op'~rat.c~d; tlv~refore, no e3t.i:n~te <br /> <br />can be made cf 'what ~"'2 3nnu~1 vAriations in t:l~ p:loJ. levels 'ni''l'1t be). <br />d. Un 08ffi Safety. Th~ impJct of flocd stor~ge conv~rsion en the <br />hydrologic safety of t'12 C'latfield illld B:~ar Creek dans I,culd oe i'lsignifi"ant. <br />R0ucings of th~ original spillw;lY 1esign floods result~d in frpeboards "itnin <br />~ccept,ble ~oler3nces of the mini~um 5 feet erit~ria ~3ed by to: Corps of <br />Engineers. T:les-2 rout. ings were made JSSUtnin:s a startin~ p.)ol c~lev8t ion <br />rpsulting fra~ onc-~3lf of the standard project r3infall flood inflcw o~ tcp <br />of a full cons2fv8cion ;xJol i.Jhic~l incl1.)"jei t102 n-=='/J ~.J8t.er supply gccr:::!~~. <br /> <br />s. Conclu3io:1s. Bas:;j on :--tistcric81 flood exp2ri0.n~es in en? Denver c:r2a, <br /> <br />t"e :nost s~ri0us flood probl~,ns "rise rro,n th~ intense s:lort 1uration rai.nfall <br /> <br />floeds. There is more toon ~deq~.Hte storage in tne Tri-La>ces sY$te:n to ,~o~trol <br /> <br />tnese typ=s of 2",ents. Qpcri'ltion,31Iy, the :nost sericus pro':lle,ns are e1,~cun- <br /> <br />t?red ltJh2n mcunt3in snoVlT!(?lt rAleases are p:=:lss~j tl1rou~h th~ res~rlJcir to joi:1 <br />uncontrcll8'j t-ributary runoff in t~2' 5:>ut.h Pldt".te R.iv~r b21o'.-J Den1/er. Inple- <br /> <br />mencation of th2 nr=l,.Jly nev21cped co'nput..er mcd~l call -.:d "Di?nvC'r Ar~2 R~81 Ti:ae <br /> <br />System (DARTS) .hich will b,~ used to op~r~t.~ tll'~ Tri-L?'<"ls system and ,n,3:<'~ <br />S!l.:;;-t anrj lO:1g r~mge runoff forec3sts could hplp o."=r~o:l1.? 30m2 of tn2s2 <br /> <br />prcbl~s. It 'night. ?,lso h'=lp rr>.iu~~ S0,n,~ cf th2 nui.S:l1Ce typ,' floo1in" 'J~.j <br />'::rasio:1 .J:rn<-ls;: aS30ciCltC.j with t:v~s= 2vents. ~b :;}:~':.ter 110\.oJ 3ophist.ic:~[..:>.j ;;n:: <br /> <br />0p:~r?t.io:1 of this syst~n b.?comes, ir. is D':>vioU3 from SLudi?s .:Jlre2riv 'n~je t,ll'3t <br /> <br />t'12 dcr.mscre3!n .2:Jnt.rol poir.:..shculd not be 1l0VC:1 b-21o\'J 'c.r12 !-i~nderson ;SDgC. <br />Ti1ese SL.:.J;ii~s ;'1~V'2 ~lsc danonstr3ted t,:_1P. i'Tlpcrtanc~ cf s~lect.ing ? ~ninllimLJn <br />no'" ,:;f '5,000 cfs f::>r controlling ~uis~n"~ typo flcodin" ?~ this lo~~ticn. <br />'J:.h,~r'..Jis~ G~'~ratiorEll reie::332S frcn th:= svst~m CQuld 02 sericlJsly :1811p.2re~ <br />r~suLting in ;] s:=v0r'2 lcss in u3~ful flco.j control s':.cr:;~2. R,='~c~nizin.?; this <br /> <br />:> <br />