# Construction Estimating HOMEWORK

Anonymous

### Question Description

Attached is the assignment instructions. The professor stressed that he won't give any credit if no work is shown. I also have login info for rsmeans if you need it for the second question.

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MOSS SCHOOL OF CONSTRUCTION BCN 3611 – CONST. COST ESTIMATING I SUMMER A 2019 Homework Assignment #2 (Due on: 05/21/2019 @11:59PM)  PART 1 1. The following crew is normally capable of completing 360 S.F. per day of two sides of a 2-coat vermiculite plaster on gypsum lath for a partition wall with metal studs spaced every 16 OC. This crew is hired to plaster 200 L.F. of 8-high interior partitions in an office building. The crew productivity should be adjusted due to better weather conditions (factor of 1.05) and project complexity (factor of 1.06). Estimate: a. the adjusted crew productivity, b. job duration (in full days), c. M.H., M.D., C.H., and C.D. labor wage rates for this crew, and d. total labor cost of the job. # Crew Member Hourly Wage and Burden 3 Plasterers \$47.75 + \$15.80 2 Plasterer Helpers \$41.15 + \$14.80 1 Lather \$50.25 + \$15.90 2. A grading contractor owns two large graders valued at \$80,000 each, three 40 C.Y. trucks valued at \$50,000 each, two payloads valued at \$40,000 each, and a compactor valued at \$35,000. Assuming a 10-year life span for each of these equipment and using the straight-line depreciation method, estimate the combined hourly depreciation rate of these equipment. (Hints: assume salvage value of 10% of initial price and that all equipment have a 2,000 hour/year of working time). 3. Using all the equipment listed in question 2, estimate the total equipment cost of a three weeks (15 working days) job. Assuming, each equipment is rented at \$75.00/hr, and the operator (one for each) is charged at \$30/hr. One oiler is needed for the job at a rate of \$25.00/hr, and is on the job for three hours per day, two times a week. Oil and fuel is estimated at \$15/hr a piece. Homework Assignment #2 05/14/2019 Page 1| 2 MOSS SCHOOL OF CONSTRUCTION BCN 3611 – CONSTRUCTION ESTIMATING I SUMMER A 2019  PART 2 4. Using RS Means Building Construction Cost Data complete the following table. (Hint: some items might involve more than one line item from RS Means). Use “Building Construction” cost data, labor type “Open Shop,” set location to “Miami, FL,” and use the Year 2019 release. Bare Unit Cost Item Number Description Qty. Unit Rent of a 32×8 office trailer, furnished including air conditioning and with no hookups 2 Ea. Forms-in-place for 16×16 concrete columns using job-built plywood (assume 2 use) 400 SFCA In-place 4-thick reinforced concrete slab on grade (3500 psi) 2000 S.F. 15 Day Rent of a 25-ton truck-mounted hydraulic temporary crane Crew Daily Output Total Cost Mat Labor Equip GRAND TOTAL Homework Assignment #2 05/14/2019 Page 2| 2 ...
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School: UIUC

Attached.

Running Head: CONST. COST ESTIMATING I

Const. cost estimating I

School Name Here
20 thMay 2019

1

2

CONST. COST ESTIMATING I

Question 1

No.
Crew Member

Hourly Wage and Burden

Plasterers

\$47.75 + \$15.80

Plasterer Helpers

\$41.15 + \$14.80

Lather

\$50.25 + \$15.90

3
2
1

Solution
Adjusted crew productivity=standard productivity rate x productivity factor
= 360sf/day x 1.05 x 1.06=410sf/day
b) job duration (in full days),
Job duration=Quantity/production per unit rate
=1600sf/401sf/day
=3.99 = 4 days
c) labor wage rates for this crew
Total wag...

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