Fundamentals Of Construction Estimating
4th Edition
ISBN: 9781337399395
Author: Pratt, David J.
Publisher: Cengage,
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Textbook Question
Chapter 3, Problem 9RQ
The cost of transportation of materials has to be allowed for in the estimate, but this item is not usually measured or even referenced in the takeoff. List six other similar items.
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8-6. Determine the haul equation constants a and b for the following data.
Average haul speed, mi/h Round-trip distance, mi/trip
"Arip
4%-9
10
0.9
20
2.9
25
4.0
29
5.5
30
6.0
35
8.0
39
10.0
40
11.0
45
15.5
50
28.0
You are a project manager on a construction project that is located 500 kms away from your
barracks. Your team is composed of 41 persons including you. Going to the site, you are
allowed to use 7 vehicles. Some of the vehicles can hold 7 people each, and the rest can hold
5 people each. Assuming all the vehicles are filled to capacity, and all the vehicles have
designated drivers that are included in your team.
a. Exactly how many of the vehicles can hold 7 people?
b. Exactly how many of the vehicles can hold 5 people?
9. A rigging job calls for lifting a structure that weighs 150 tons. Two cranes are available, one with a rated
capacity of 85 tons and the other with a rated capacity of 120 tons. The total weight of the rigging required
to make the lift is 15 tons, of which 10 tons is to be carried by the larger crane and 5 tons is to be carried
by the smaller crane. If the cranes are to be loaded in proportion to their net capacities, what should be the
approximate net load on the 120-ton crane?
A. 85 tons
B. 44 tons
C. 56 tons
D. 63 tons
Chapter 3 Solutions
Fundamentals Of Construction Estimating
Ch. 3 - What is the objective of a quantity takeoff?Ch. 3 - Why is it recommended that estimators follow a...Ch. 3 - What is the difference between an estimator’s...Ch. 3 - Prob. 4RQCh. 3 - What are the two components that make up a takeoff...Ch. 3 - In what order are dimensions entered onto the...Ch. 3 - Why should a figured dimension be used in...Ch. 3 - Why should an estimator include headings and side...Ch. 3 - The cost of transportation of materials has to be...Ch. 3 - What level of accuracy should the estimator pursue...
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