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<br />the historic Pawnee Creek drainage way and will not create an overllow condition.
<br />Flows in exec,s of the 25-year 1111lxi ....ill follow the overflow, and will leave residual
<br />damage along the farmland. Reach [V meludes only the polcntial damage that results
<br />from the lack of capacity under the railroad embankment in this area. (Upstteam crop
<br />dam<.ge would OCCL" witb and wilhollt the proposed improvements). Even with thc
<br />proposed railroad culvert in this area, tesidual damage in the Town of Atwood area
<br />would occur. A summ;try of damage, both before and after the proposed improvements is
<br />prcsented in Table 14.
<br />
<br />XII. IJENF:FIT I COST ANALYSIS
<br />
<br />A Ix'ndit I ('OS! analysIS was prepared using f'hM,o\'s '"Riverine f'\"od Inli-"structure -
<br />Small Project Henent - Cost Program:' Versinn 1.01. ylay. \995, The Ikllc!it / Cost
<br />analysis for the scleckJ alt<:matiye is Ilx'''teJ in the App..:ndix, The Iknc!it i Cost ralio
<br />ddermincdtortbeselcctcdalternativeis1,}7,
<br />
<br />XIII. SP9NM)I~ F1"A\"c;IAL--,\N.1-~_Y~J5
<br />
<br />Justification to Support Estimate
<br />
<br />Adelailedfiroancia\ana\ysiswasprepatedbytheCityofSterlillgtodeterrninetheir
<br />llhi\ily to repay the CWCB loan. The "nalysis is lo<:ated in Ihc Appendix,
<br />
<br />Included in the Appcndix arc eopies ofp<:rtinent portions of the 1983studywhi<:hserved
<br />as the basis for the damag<: analysis, along with work shc<:ts wh<:rein damages wert
<br />updated, As a ehcek on the a<:<:uraeyofthe damage analysis, a graph is provided of
<br />expcdeddanlag<:pl<ll(edllgaillstflnodfrequen<:y for the combined Reacbesl though IV
<br />(thllt i~, the area of the Pawnee Crt.-'ek overflow prOl~'Cled by the proposed improvements),
<br />A[so sho....ll on this figure is the total estimaled damage Whl<:h o<:<:urred along these
<br />reaches during the 1997 flood event. bas~'<I upon damllge e~timates <:ompikd by the
<br />Colorado \Vater Conservation District. Ihe City of Sterling. and Logan County.
<br />
<br />XIV. I)ESlr.NANRJ.;,(~~~'iI!:t_lT(:TION SCHEDt:I.E
<br />
<br />Table 15. I)csir:\n and C()n,~truel;"~ Sebcdulc
<br />
<br />Number or People Prutcded by Projed
<br />
<br />ACTIVity
<br />Mastcl :'~:'n Concept
<br />Pr.-:liminatyDesign
<br />Final Design
<br />Special s;;mccs During De~ign
<br />ConSlructi"nAdmimstr<<ti"n
<br />Land----::\-cqlITs)iion
<br />Construction
<br />
<br />SotEOlJU:
<br />
<br />J
<br />
<br />It iseslimlltcd thlltthe 1')<)7 flood llffc<;ted 1,400 homes. Approximately 1,600 homes are
<br />in lhe lOO-year floodplain for the Pawnc.: Creek ,"verflow it. th", Cit)" of Skrling.
<br />Another 60 homes ilr<: in the floodplain in unincorporatcd Logan Counly. Using an
<br />averageof2.7 pcople pctdwclling.(numbcr provided by City ofSlerling) tbc projectwitl
<br />prolect approximately 4,4g2 people. There are approximatcly 200 business<:s m additinn
<br />to Ihc peopJc living in Ihe pmh of the flood area to bcprotc<:ted,
<br />
<br />Finished
<br />,4,1I0i to 7/1/01
<br />8/1101103/1/02
<br />I 1/15i02 to 4/1102
<br />2:715/02 to 7/1/03
<br />I ~,"! 1(\1 10 [/1/02
<br />15/l/02lO67I'Cf.
<br />
<br />xv.
<br />
<br />....n:KLlNG AMENll:vllCNT I "lLCTIOi\
<br />.--.--.-.------ .-
<br />
<br />ValueurPr"l'el.jy l'rotcetedhyP....ljeet
<br />
<br />On:\ovcmbcr2, 1999.theCityofSterlillgincludedaque;tionontheelectionb~Hot
<br />[l<>flaining to incrca;ing the city'; d~bt pay for the Pawnee Creek Flood Control project.
<br />The amount the city ptoposed to innc~se the deht by and is ~b()wn in the baHot qllcslion
<br />
<br />F.~timaled value ofpropcrty prote<:ted by the project is shown on the following table.
<br />A~'umNI v~t"M",," "',..... pmv"l,.rl I>y II>,. (";Iy nfSkrline, I>",,,'rl "po" ~v"rH!,:" i!"...<~~rl
<br />villuation.
<br />
<br />.:; $:_:~(),()()().
<br />
<br />'n.'e :...~, ,",_.. __'""... _" ,~., ,~,.~ ~ "~., ""'...,"",,,'~.. ,~.. ,.,,~, .~'"_
<br />,.".,.., .n~ .,un'~ u...""..,~, ".~ ",un "~'''b ~'-l~~.,,~~ ") ".~ ~a.. nva,
<br />
<br />Tablc14. Propcrty Protected BrProjcct
<br />
<br />C\VeH to help pay I'Jr the lltl<,d miligation project. The election pi~""d with IMO ~.Oles
<br />for 'YES' and '1.16 vote8 for 'NO'. A ~opy of the ballot withcJc~tion rC';I,lt, ,1l1d" ~opy
<br />"fth,' de~tion ",.rtitkation are loe'ltc'd in th~ App,'ndix
<br />
<br />'LllndUsc Units Protected,'" : '<AYcra~c VllluefUnit~' "Propcrt}'Value -
<br />- < --",' '-'-'~",~ ' -- .'''._.,...'''C,',' "~~'''''', ,,"' .,..... "<.',',
<br />Residential [,660 Homes $ 55,000 $91,300.000
<br />C'llluIlereial 200 Building~ $120.000 524.000.000
<br /> ,
<br />FillTll Land L675,\cre, S 2,000 $ 3,350.000
<br /> TOTAL $ll~MO.()OO
<br />
<br />.,
<br />
<br />"
<br />
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