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EARTHWORK ESTIMATING - HYDRAULIC EXCAVATOR/FRONT SHOVEL WORK <br /> 'r 1SK DESCRIPTION: <br /> /oGLSa 1 Wld�%• I' <br /> HOURLY EQUIPMENT COST: <br /> Machine make and model Z Z -� attachments: <br /> adjusted Operator Cost Per Hour <br /> hours days base base s ift total <br /> shift per per rental operatinq wage overtime premium equip. <br /> no. day week rate/hr. cost/hr rate/hr adjustment ad'. cost/hr <br /> 1 8 a c N/A 7. Ao <br /> 2 It <br /> o a = 7-7 <br /> divided by _/ shifts/day = $ 77 b o average equipment cost/hr. <br /> MATERIAL QUANTITIES: <br /> Bank volume = BCY or CCY x _ swell ,factor LCY <br /> Verification methods used <br /> HOURLY PRODUCTION: <br /> seconds/cycle (from cycle time table in Section VII) <br /> It <br /> Rated bucket payload (from Section III) = / ?,�_ LCY (nominal heaped) <br /> Type of material sz/ 1s altitude = e-o-o ft. <br /> Bucket fill factor frpm fiT1 factor table in Section V I = <br /> es'_ LCY x / - / 2_f <br /> LCY <br /> rated payload fill factor adjusted payload <br /> 3,600 seconds/hr divided by 2_o seconds/cycle = /8 o cycles per hour <br /> LCY/hr (unadjusted) : <br /> adjusted bucket payload x cycles/hr = Z= LCY/hr <br /> Adjusted hourly production: <br /> z 2 LCY/hr x • ?3 job efficiency* x 9Z altitude adj. _ /7/ P LCY/hr <br /> *average for all shifts utilized <br /> JOB COST: <br /> A <br /> 3� 9LCY divided by 04 cF LCY/hr = 7 hrs <br /> totateria vo um a j. pro . totaljobtime <br /> r78. Z hrs x $ -7 7. d'o /hr = $ y Total Job Cost <br /> tot. job time avq. equip. cost <br /> unit cost/LCY = $ divided by S .z = $ `/S� /LCY <br /> total 'job cost tota material vol. <br /> 42 <br />