Construction cost estimation is the preliminary estimated cost of a building. Today here we describe about the construction cost estimation of residential building in India. The thumb rule cost per square feet of construction area for preliminary and budget estimation. The estimated construction cost help in better resource management while construction works on limited budget. Further the construction cost estimation are divided under several heads.
Construction cost estimation heads are :-
Services works – The service works cost varies between Rs 305 – 320 /- per Square feet and about 17 % of total construction cost. This construction cost estimation head includes essential services like plumbing, electrical, HVAC, fire fighting etc. The cost of CP, sanitary and other fitting are also included under this head.
Finishing works – This include all finishes work i.e flooring, painting, marble works, wood works, MS railing, Gypsum plaster etc.The cost varies between Rs 420 – 450 per Square feet and about 23 % of total construction cost.
Civil works – This is the highest construction cost estimation head involved in this construction phase which includes excavation, footings, RCC work, Block work, plaster etc. The cost varies between Rs. 980 – 1000 per Square feet and about 53% of total project cost.
Consultant cost – In this the consultant cost varies between Rs 43 – 45 per Square feet and about 2.5 % of total construction cost. This includes cost involved for architectural design, structural design, services design etc.
Site establishment and temporary works – This construction cost estimation head includes cost for barricades, clearing site, water and electrical charges for construction activities, site office construction etc. The cost varies between Rs 85 – 90 per Square feet. and about 4.5 % of total construction cost.
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Below table gives more details idea about construction cost estimation for each activities
|Sr. No.||Contract Code and Name||Cost per Sq ft||% of total cost|
|(B) Civil Works|
|2||Anti termite treatment||0.106861||0.0|
|3||Sub structure Waterproofing,||3.965101||0.2|
|4||RCC works, Block work, Plaster, Misc civil works||966.7697||52.0|
|(C) Finishing Works|
|2||Kitchen Platform with Sink||21.41376||1.2|
|3||Entrance lobby & signage||9.15645||0.5|
|7||P.O.P false ceiling||6.498941||0.3|
|11||Lift Shaft Painting||0.345885||0.0|
|7||Solar water system||4.395096||0.2|
|Initial Total (A+B+C+D)||1755.969||94.4|
|Electrical & water charges 1.5%||26.33954||1.4|
|Contingencies for temporary works||17.55969||0.9|
|Construction Cost / Sq ft||1859.227||100.0|
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