please help me. Problem 2: Evaluate cost and production using a 3-cy hoe to load wet gravel (2980 lb/lcy) into 14 cy...
please help me , show all steps , please make your font clear.. Problem 1: A project to move packed earth requires you to decide whether to use a dozer/scraper operation or excavator/truck operation. Determine the most economical operation based on the dozer/scraper operation estimated at S6.25/lcy All equipment carries a rated heaped capacity, has a fill factor of 105%, and works 45-min hours. Excavators costs $95/hr (including operator), cycle time is 0.28 min, and bucket heaped capacity is 3...
Please solve problem 1 and show formulas used Tables for reference: Homework 6- Chapter 9 Problem 1: A crawler hoe having a 2 -cy bucket and whose cost per hour, including the wages to an operator, is $109 will excavate and load haul units under each of the stated conditions. The maximum digging depth of the machine is 22 ft. Determine the cost per bank cubic yard for each condition. (Condition 1: 315 bey/hr, S0.346/bcy; condition 2: 289 bey/hr, S0.377/bcy;...
(50) 7. Analyze the following operation. A 385C Excavator will be used to load material into a CAT 740 (no ejector) articulated truck. The excavator is equipped with a 6 cy heaped bucket and is capable of cycling every 30 seconds. The material being loaded weighs 3,300 lbs cy. The job efficiency is 90%. The trucks will be hauling the nmaterial 4000 feet over a road with a total rolling resistance of 9% to the dumpsite and 10% total rolling...
Part 1 Complete the following Earthwork Sheet Material: Earth and Gravel, Swell Factor: 83 Strip fill(cy Total till och Total cut beyl Adj fill (byl Sum (beyl Mass ordinate 1.23 056 2.37 1.20 2.36 3.07 3.60 3.77 3.09 3.01 4.65 Strip cut (boyil 0.04 1.04 097 3.22 2.08 2.33 2.51 1.85 161 1.74 0.88 109 35.70 5.58 18 3.12 2.03 6.77 2.01 2.53 0.82 1.08 1.20 1.92 1.59 1.82 3.95 3.25 2.74 150 7.42 556 80 End-area End area cut...