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• <br />Na~th~E kNOr Droiage Con<ePf Pha¢ <br />ESTIMATES <br />Cost estimates rrle devebped for each altomtive solution carcidaed fmsibk. The estimates nclude all faresean <br />items of the rneninrction and m dbrance for viforrsecn additional carte. Costs for each item ra+e 6naed m <br />rvxxni bid prices for simibr colt in the 6i'akY area err m irterviers rich materiels moufocturers, supplies, ad <br />contractors <br />The detailed rnst estimates ere nckdeln the section of This report for each otterarte. <br />CONCEPTS <br />Dying the Concept Phase shdy, rich the active guidmce of BerF Imrtaud, PF. and John 8^94s, PE. of the City of <br />6roeky Public Wartrs Department staff. re identified and evduated the folbrig cwKepts <br />cauctPr a~vD•-~vzawicDE~EivnavPa~ <br />1. farutrvct Regiond peterntim Pad north of the #3 Ditch rith small disclwge Chanel north, err <br />2. Canstnx:t a loge chard from the #3 Ditch to the 6ravrJ Pit pond <br />CQ'VrEPT fLOW'-CGtt/4EYEA6tEVIEWPGNO ExG>:SS ROW ACROSS #3OITQ-1 <br />1. Minor existig Eogkview Paid spillway od build 300' beg #3 Ditch rein <br />2. Sepoote la~sonn Ditch in new clrand ad fame over #3 Dkch <br />3. Modify Eogkviar Pad spilhray and build fame over #3 Ditch <br />CCa'vIGFPT DITCH'-LIMITAr3 DITO-/DOWM57FZEAM OZSC3btia5E <br />1. Determine sea and design of spill strvctue and camectian to other caaepis <br />2. Determine revised storm rotor rvaff to #3 Ditch frem nor deveknpnmts rest and south <br />3. Verify or revise Pbn rccomrne+ndotian for irrtemediate spill at 49'n' Ave exterdad <br />The resuFts of am evainatian for each concept are preserrtod in the rvnaider of this rr~orf. Each sedan wrtaeis <br />ore or more of the fdbrig lions <br />dcsaipiian of the proposed cork <br />photographs of the existig grand there appropriate <br />• perspective vier sketches of the proposed carstrvction <br />• cost estimates <br />schematic drorig of XP-SWMM model rith summery took of fkwrs and depths <br />mops and drav"vgs depictig the krcotion and extent of the carte <br />Page 7 <br />