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<br />D, ALTER.l\!ATE CONSTRI,CTION COST MJAL YSIS : <br /> <br />The approximate cost~: of the alterna-tes are based upon a IOO-year storm. <br />The utility relocaticlll costs, which include telephone, power, gus, water <br />and sanitary sewer, \,rere not estimated due t.o the minimal size existing <br />systems. <br /> <br />ALIGNNENT A <br />Alternate 1 <br />Alternate 2 <br />Alternate 3 <br />ALIGNHENT B <br />Alternate 1 <br />Alternate 2 <br />Alternate 3 <br />ALIGNMENT C <br />Alternate 1 <br /> <br />ALIGNMENT D <br /> <br />OPTII:llItl DESLGN <br /> <br />TABLE 11- 5 <br /> <br />IMIROl1EMENT DESCR~P~~)N <br /> <br />ESTlI-IATED COST <br />\{/10% Cont.ingenc v <br />________ __:.::::::..L- <br /> <br />Grade Trapezoidal Channel <br />,,/street CBC <br />Grade Rear Lots ,,fstreet CBC <br />Underground Conduit <br />w/lateral Systems <br /> <br />$237,300 <br />174,600 <br /> <br />264,500 <br /> <br />Closed Conduit ,,/Channel Inlet <br />Open Channel ,,/Street CBC <br />Open Channel w/Undergrouncl Conclllit <br /> <br />46,100 <br />71,,300 <br />97 ,800 <br /> <br />Open Channel <br />along South Table MOllntain <br /> <br />605,200 <br /> <br />Detention Pond Alternates <br />Pond No. 1 <br />Pond No. 2 <br />Pond No.3 <br />Pond No. 4 <br />Pond No.5 <br />Poni No. 6 <br /> <br />82,800 <br />111,400 <br />161,200 <br />90,500 <br />60,500 <br />48,600 <br /> <br />(Se~ Section VII) <br /> <br />$302,200 <br /> <br />27 <br />