文档介绍：CHAPTER10—PRICINGEXCAVATIONANDBACKFILL233Someestimatorsprefertousemethod(a)(b)becauseitreflectstheactualquantityofsandthatneedstobeordered;,,ifapriceof$,,:.(lbs).=Priceperton×———–––––———––––————–-2000lbspertonSo,inthiscase:.(BankMeasure)=$×—–—2000=$,then,ofcourse,,-,threetruckswillberequiredifittakes10minutestoloadatruckand20minutesforthattrucktounloadandreturnforanotherload,because,whilethefirsttruckisaway,,thefollowingexpressionisobtained:UnloadingTimeNumberofTrucksRequired=————––——+1LoadingTimewhereUnloadingTime=Round-TripTravelTime+TimetoOff-loadtheTruckandTruckCapacityLoadingTime=———————LoaderOutputandCapacity(Loose)TruckCapacity(BankMeasure)=—————–——1+,,scanned,orduplicated,,somethirdpartycontentmaybesuppressedfromtheeBookand/oreChapter(s).