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Question 3 (a) Using the data below, determine the build-up rate...
Question 3
(a) Using the data below, determine the build-up rate (in cost/m2) for a 150 mm thick Grade 25 concrete floor slab. (The formwork and reinforcement shall be measured separately).
(14 marks)
(b) Discuss the difficulties in building up the rate.
(6 marks)
Image transcription text
Assume the following data in Table Q3 for your computation:
1 Materials
Remarks
1.1
Cost of G25 concrete
$180/m
1.2
Waste
5%
2 Labour
2.1
Spread & level
0.3mh/m
2.2
Vibration & compaction
0. 1mh/m
2.3
All-in labour rate
$40/mh
3 Plant
3.1
Pump rate
15m3/hr
3.2
Pump rental
$120/hr
4 Mark-ups
4.1
Overheads and profit
10%
Table Q3
Answer & Explanation
Solved by verified expertAnswered by iamjaysooon on coursehero.com
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