Quantity Surveying, Estimation and ValuationSem-VIII, B. Tech. Civil

Assignment – 1

1) Write short notes on the following –

a) Day work and sub-work

b) Prime-cost and provisional sum

c) Contingencies and work-charged –establishment

d) Administrative approval and technical sanction

e) Capital cost and cost planning

f) Revised estimate and supplementary estimate.

2) Explain the importance of approximate estimates. Describe various methods of approximate

estimation for buildings.

3) Explain the method of preparation of approximate for the following projects.

a) Road projects

b) Water supply and sewerage project

c) Irrigation project

4) Prepare an approximate estimate for a framed four storey building having carpet area of 250

m2 on each floor. Consider areas occupied by corridor, lavatories, staircase, etc, as 28 % of

built-up area. Also consider areas occupied by walls and doors as 9 %. Assume the

following.

i) Built-up area rate for ground floor --- Rs. 2000 per sft. (excl. foundn)

ii) Built-up area rate for first & second floors --- Rs. 2200 per sft

iii) Built-up area rate for third floor --- Rs. 2500 per sft

iv) Extra for foundation --- 20 % of super structure cost

v) Extra for water supply and sanitary works --- 10 % of building cost

vi) Extra for electrical installation --- 7 % of building cost

vii)Contingencies --- 4 % of total cost

viii) Work-charged establishment --- 8 % of overall cost