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Squaw Gulch VLF Chemical Closure and Reclamation Costs <br />Footnotes for summary cost table: <br />'Assumes heavy grading will be done with conventional D70 or Dl 1 dozers wth U blades where the push distances are practical <br />'Assumes light grading will be done with a D9 dozer on the backfilled areas in Wildhome Extension area (rate = 2 hrslaae) <br />3Growlh Medium Replacement seat will consist of three 623 Scrapers <br />4Growth Medium will be spread using a D-9 dozer to a depth of S inches <br />'Soil analyses will be run on samples of the reclaimed areas to determine optimum fertilizer rates <br />°Ripping and fertilizing will be conducted w the replaced growth medium using a conventional D4 dozer with a cyclone spreader <br />'Seeding and harrowing will be conducted on all replaced growth medium that is traversible with conventional equipment <br />eAssumes approximately has the area will require hand - seeding to achieve revegetation <br />9Mulching will be conducted using conventional hydro-seedermyd- ulcher <br />10Trees and shrubs will be planted on north and east -facing slopes <br />"Supervisor costs are figured at 25 percent of the total work hours to accomplish the reclamation effort <br />Fence removal cost = $ 2.98 Cost per Foot, Means 2014, p. 33 <br />24" Steel pipe removal cost = $ 21.90 Cost per Foot, Means 2014, P. 28 <br />30" Steel pipe removal cost = $ 29.20 Cost per Foot Means 2014 . 28 <br />Productivity Calculation for Heavy Gradin <br />What Is the Total Volume of backfilled rock to be graded? <br />21,650,246 <br />Reference Sheet 9 (Average of culMll amounts) <br />777F Haul Truck Productivity <br />What is Me average Haul Distance for all material? <br />1736 <br />Feet per Drawing Sheet 9 <br />3.00 <br />What is the volume if It were all just 5 ft. grading ? <br />2,807,200 <br />Calculated Volume - Area x 5 R 127 <br />What is the expected average push distance for leveling piles? <br />100 <br />Short Doze to level out and - dumped truck loads <br />What is the job correction factor for the operator? <br />0.75 <br />Average Operator, Cat Hdbk, 33 Ed, p142 <br />What is the job correction factor for the material condition? <br />1.2 <br />Waste rock is loose, Cat Hdbk, 33 Ed, p1 J2 <br />What is the job correction factor for job efficiency? <br />0.83 <br />50 minutes operating per hour, Cat Hdbk, 33 Ed, p142 <br />What is the job correction factor for downhill grade pushing? <br />1.2 <br />Assume conservatively 10% grade, Cat Hdbk, 33 Ed, pt-42 <br />What is the Lb correction factwfa aide beside dozing? - ________________ <br />1_2 _ <br />SidebYsidedozing,Ca!tdbk_33 Ed, p1J2_-_-_______ ______________________________n <br />What is unadjusted production based on push distance for a DIG? <br />1,760 <br />cu ydaerr from Regression Equation Developed from Cat Handbook Version 39 <br />(Calalated adjusted production based on job factors = <br />1893.4 <br />cu ydalhr calculated <br />Calaleted D70 Dozer hours in redin = <br />1482.66 hours <br />What is unadjusted production based on push distance for a D11? <br />2,728 <br />cu ydsihr from Regression Equation Developed from Cat Handbook Version 39 <br />Calculated adjusted adjusted production based on job factors = <br />2934.1 <br />ou ydsthr calculated <br />�Cekulatetl D7l Dozer hours in 9!a1in3_- _ -_ -_- <br />____956.76 <br />-hours __-_-___-___-_-_-_-_______- _- _- _- _- _________- _- _- ________ <br />_- _- ____- ____- <br />Mass Haul Productivity <br />for FIII Earthwork <br />Exceeding 5 fL Heavy Dozer Leveling of Piles <br />Additional Volume that will be truck hauled <br />488.5 <br />18,843,046 Difference between Total Volume and the Volume for leveling 5 R pit» <br />What is the weighted average Haul Distance for the truck haul? <br />748.9 <br />1,723 Change In Moment arm by removing s R. push = (Vt- HDt.Vd•HDd)Nrsm <br />What is loaded travel time based on haul distance 8 rolling resistance (min)? <br />623 Scrapers <br />1A <br />What is empty travel time based on haul distance 5 rolling resistance (min)? <br />Haul Dist <br />0.6 <br />What is the manuever time for trucks at the loading area (min)? <br />$ <br />0.70 <br />What is the length of time it is a truck to dump (min)? <br />85,381 <br />1.00 <br />What is the capactiy of the selected truck (avg cu yds)? <br />Calculated lime for loading a truck (min) _ <br />Total Cycle Time (Maneuver + Load + Loaded Haul + Empty Haul + Dump) _ <br />Calculated number of truckloads per hour = <br />What is the efficiency of the haulage effort expressed as minutes per hour? <br />Calculated Productivity of LoadeATmck Combination (cu ydsthour) _ <br />Total Fleet Hours Required <br />What is the selected equipment to haul growth medium? <br />How many scrapers will be used? <br />What is the area for growth medium replacement? <br />What Is the thickness of growth medium replacement? <br />Calculated quantity of growth medium required = <br />64 <br />777F Haul Truck Productivity <br />3.00 <br />Source 2 <br />Source 3 <br />Source 4 <br />source 5 <br />Total Fleet Hours <br />Haul Distance <br />6.75 <br />2,102 <br />3,656 <br />0 <br />0 <br />Loaded Travel Time <br />8.9 <br />1.8 <br />3.1 <br />0.0 <br />0.0 <br />Regression at 1307.7 feet per min - 6% 11 <br />Empty Travel Time <br />55 <br />0.7 <br />1.3 <br />0.0 <br />0.0 <br />Regression at 2,724 feet per min -6 %grade <br />Total Cycle Time <br />521.2 <br />7.2 <br />9.1 <br />4.7 <br />4.7 <br />Truckloads per hour <br />36164.3 <br />8.3 <br />6.6 <br />12.8 <br />12.8 <br />Productivity <br />Scraper Productivity <br />488.5 <br />388.6 <br />748.9 <br />748.9 <br />431.8 <br />Fleet Hours Required <br />623 Scrapers <br />Source <br />Volume <br />Haul Dist <br />Prod <br />Hours <br />$ <br />3 <br />GM4 <br />85,381 <br />2,894 <br />153 <br />559 <br />v <br />n <br />348.0 acres <br />GM27a <br />95,339 <br />2,102 <br />195 <br />489 <br />yy rp,, <br />0.5 feel <br />GM34 <br />100,000 <br />3,656 <br />128 <br />783 <br />280,662 cu yds <br />0 <br />0 <br />0 <br />0 <br />n <br />Total/Average <br />280,720 <br />2,897 <br />152.5956581 <br />1,831 <br />19- SquawVLF <br />4/10/2014 <br />777F Haul Truck Productivity <br />Source 1 <br />Source 2 <br />Source 3 <br />Source 4 <br />source 5 <br />Total Fleet Hours <br />Haul Distance <br />2,894 <br />2,102 <br />3,656 <br />0 <br />0 <br />Loaded Travel Time <br />2.4 <br />1.8 <br />3.1 <br />0.0 <br />0.0 <br />Regression at 1307.7 feet per min - 6% 11 <br />Empty Travel Time <br />1.0 <br />0.7 <br />1.3 <br />0.0 <br />0.0 <br />Regression at 2,724 feet per min -6 %grade <br />Total Cycle Time <br />8.1 <br />7.2 <br />9.1 <br />4.7 <br />4.7 <br />Truckloads per hour <br />7.4 <br />8.3 <br />6.6 <br />12.8 <br />12.8 <br />Productivity <br />431.9 <br />488.5 <br />388.6 <br />748.9 <br />748.9 <br />431.8 <br />Fleet Hours Required <br />197.7 <br />195.2 <br />257.3 <br />0.0 <br />0.0 <br />650.2 <br />Productivity by Regression Equation <br />309.4 <br />324.0 <br />296.3 <br />362.9 <br />362.9 <br />19- SquawVLF <br />4/10/2014 <br />