Estimating & Costing

Prepare preliminary estimate of an office building having total carpet area of 3275 m². The area occupied by circulation area is 20% and area occupied by wall is 7%. Assume other data suitably, if needed.
Plinth area rate of building = Rs. 25,000 per m³
Extra for deep foundation = 1.5% of civil cost
Extra for architectural work = 5% of civil cost
Extra for water supply work = 6% of civil cost
Extra for sanitary work = 5% of civil cost
Extra for electrical works = 8% of civil cost
Contingencies = 3%
Supervision charge = 8%