- 2076 Asoj · 5 marks
Preliminary estimate: five-storey office, 2500 m²
Short answer
Plinth area = 4,166.67 m². Building cost at Rs25,000/m² = Rs104,166,666.67. Adding 20% for water, sanitary, electrical, contingencies and other services gives total Rs125,000,000.
Prepare a preliminary estimate of a five storied office building having total carpet area of 2500 m² for obtaining the administrative approval of the government, given the following data: (i) 30% of the built-up area will be taken up by corridors, verandah, staircase, lift etc and 10% of the built up area will be occupied by walls. (ii) Prevailing plinth area rate Rs. 25000.00 per m². (iii) Provide 20% extra cost for water supply and sanitary fittings, electrical works, contingencies and other services.
Plinth area
(total of five floors; 833.33 m² per floor.)
Estimate
| Item | Basis | Amount (Rs) |
|---|---|---|
| Cost of building | 4,166.67 x 25,000 | 104,166,666.67 |
| Water supply, sanitary, electrical, contingency and other services | 20% of building cost | 20,833,333.33 |
| Total | 125,000,000.00 |
Answer: Total estimated cost = Rs 125,000,000.00 (Rs 12.5 crore).
✓ Answer checked by Claude Opus 5.5 (high effort)
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