Types of Estimate

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%

Prepare the preliminary estimate for the building project from the following data. Residential building of 4 stories having total carpet area of 500 m² and the wall is 8% of plinth area and that for circulation area occupied by passage, verandah, staircase, etc. is 10% of plinth area. The provision for architectural design is 10% of the civil cost, provision for water supply and sanitary are 6% of civil cost for each and for electrification is 8% of civil cost. The floor height of one flat of the building is 3 m and height of parapet wall on the top is 1.2 m. The rate of per cubic content is Rs.5000 per m³. Assume suitable percentage contingencies and work charge establishment.

Prepare the preliminary estimate for school building for 600 students. The carpet area required per students is 1.2 m² and for office rooms is 50 sqm. If 20 % of built up area of building is occupied by circulation area and 10% by walls. The provision for architectural treatment is 1% of civil cost, for water sanitary works is 5% of civil works and 6% of civil cost for electrification. If prevailing plinth area rate in the area is Rs 3400/sq. ft. Assume other data if necessary.