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<br />IrnprovemcnlNecds for FUlUre DeveJoprnenl
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<br />XI. StlMMARY
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<br />These propo~d improvement. :uc necessory 10 prctVide adequatc outfall syslems for dra;,""ge from
<br />Meas to be: developed in the futu,e. A~ such. llle," improvement' have not betn prioritized since
<br />their timing is dependam on the liming of future development and/or developer contributions for
<br />partial fuooing of ",id improvements. These ;mpn)Vcmenl' include,
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<br />Mcintosh Lake Outfall ChallllCllo St. Vrain Creek.
<br />Rough and Ready DilchWastcwlI;" (Olne Union Ba,;n.
<br />Rough and Ready Ditch OvcrllowlWaslcway to 51. Yrain Creek,
<br />Lykinl G~lch Basin Outfall Channels/Facilities.
<br />East 51. V,ain Basin 5wm Sewer~ and Channel Facilities
<br />Union Ba!in Drainagelmprovemenls
<br />Oligarchy OilCh Basin 600 A.F. Dctenl;onFacilily
<br />DryC,eek N\>. I 3WAF. [)clem;"/I facility
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<br />TIle process of M.Me, Plan preparation for tbe City nf Longmorn included a comprehensi,'e review and
<br />analy,i.of the "'i'ling d,ainage fac;litie,' ahility lrIc""'rol ,,00 direct stormw"l.r runnff. The analy,i,
<br />proccss included fi.ld inventories: hydrologic alld hydraulic "nalysis and cumpnlatiuu; preparali"n.nd
<br />evaluation of ailern,"vc drainage ,ystem.; community ntcttings; alld preparalion of the Master Plan
<br />document illCluding conceptual layrl\IlS, preliminary design" costs ",tima'es. and ph"sing/implemeWllion
<br />prioritization. A significant part of the City enjoys fairly good storm draillJ.!':e conveYOllCe capacity fO,lhe
<br />more frequent ,torm events, However. problem.! exi,t in the core City area (Spring Gulch Basin) where
<br />significant street f100diug has regutarly occurred. prompting numcrous ciliz.n complaints.
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<br />1lIc City has previously coustrut:ted improvements in the 17th Avenue/Main Slreet area which reduc<: the
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<br />occurrence of flooding on Main SIr""t. Thc Priority No. I improvements propooed in this Ma'ter Plan
<br />will complete the 'torrr drainage system needed 10 resolve the miuor'Slonn drainage problems from
<br />Loomiller Lake thrOllgh Main Street. lIowever, the City's currem capilal irnprovemenlS budget will
<br />require these facilities '0 heeonSlructed in phases over all approxim.te20-year peri",], Improvements in
<br />other parts of the Cily arepropo,cd to complete the 2-year eapacity dr3i nagesystem,
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<br />OtherConsidcrmions
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<br />The at"ne di,cussed priorily listing is imcnJcd to pnwiJe "guide IUlhe Cit}, [or rea"""able and
<br />effective ,llloc,uion of fund, and manpower to implement the Collcetion Syarem Mastcr PI"" proposed
<br />facilities. The actual implementalion of the Master Plan relics on both capital in'prove",e,u funding
<br />from Ihe City as well as cooperation of developers to assisl in implementation of those facilities
<br />loculed in ate.S where fUlUre dcvelll[lment could pOICIllial1y occur, We recommend that the above
<br />priorihcshstbcrevicwcdannuallyandl>eadjustooa<;cordinglytomalchdevelopmentgrowthpattelnS
<br />and changes in City funds available for Ma5!er Planned fadbtie,.
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<br />lua,\(I;,;"" '''lhe improvemenl,descriltedah<we. Olherac';on_, ,hnuldbclaken hy lhe Ci'y '"enhunce its
<br />slormdrmnage 'y'tem. The'e ",elude'
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<br />TheCiryisencouraged'opursueagreemenlswirhlocuJl'keandre,ervoirOwners 10 assure
<br />thecontiM",ionofbener.l~thec;l}'lCCeivesfromtheroutingofrunnfftribUlarylOlheCity
<br />thrOUj\hlhcsefacilit;es.
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<br />Developmcnt of land around the City will have a significant impact <>" the Cily's stOrm
<br />dr,inagefaci1ilies ifpropcrly-sized improvements are not COnSll11Cted as dc, 'elopmentoccurs,
<br />We strongly recommend lhe City work wuh dcvclopers to assure the needed Masler Plan
<br />facilities are induded In fUlUredcvclopmcmpld'''.
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