Residential building construction cost estimate

Following article describes cost for construction of residential building in USA. As a thumb rule feet of construction area is calculated for budget preparation. The construction cost can be divided under several head, the most common cost heads are

  1. Consultant cost -this includes cost involved for architectural , structural design, services design etc. The cost varies between Rs 43 -45 per Sft and about 2.5 % of total construction cost.
  2. Civil works – The highest cost involved in this construction phase which includes excavation, footings, RCC work, Block work, plaster etc. The cost varies between Rs. 980 – 1000/- per Sft and about 53% of total cost.
  3. 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 Sft. and about 23 % of total construction cost.
  4. Services works – this includes essential services like , electrical , HVAC , fire fighting etc. The cost of CP, sanitary and other fitting are also included in this. the cost varies between Rs 305 – 320 /- per Sft and about 17% of total construction cost.
  5. Site establishment and temporary works – this includes cost for barricading, clearing site, water and electrical charges for construction activities, site office construction etc. The cost varies between Rs 85 -90 /- per Sft. and about 4.5 % of total construction cost.

The table below gives more details idea about construction cost for each activities.

Sr. No. Contract Code and Name Cost per Sqfoot % of total cost
  A. Consultants    
1 Architectural desigining 21.85173 1.2
2 Structural desigining 7.283911 0.4
3 Services 13.11104 0.7
7 Model making 1.098774 0.1
9 Plot Survey 0.137347 0.0
  Total 43.83311 2.4
  B. Civil Works    
1 Excavation 15.96403 0.9
2 Antitermite treatment 0.106861 0.0
3 Sub Waterproofing, 3.965101 0.2
4 RCC works, Blockwork, Plaster, Misc civil works 966.7697 52.0
  Total 986.8057 53.1
  C. Finishing Works    
1 FLOORING 142.01 7.6
2 Platform with Sink 21.41376 1.2
3 Entrance lobby & signage 9.15645 0.5
4 Wood works 67.81992 3.6
5 Waterproofing 12.74205 0.7
6 Gypsum Plaster 36.52273 2.0
7 P.O.P 6.498941 0.3
8 External Painting 20.82378 1.1
9 Internal Painting 21.26266 1.1
10 staircase painting 1.912218 0.1
11 Lift Shaft Painting 0.345885 0.0
12 Duct Painting 2.53158 0.1
13 Ceiling paint 7.623122 0.4
14 Aluminum Window 46.1979 2.5
17 M.S Railing 11.16349 0.6
18 Façade work 6.190976 0.3
  Total 419.6929 22.6
  D. Services    
1 Plumbing& pumping 51.57279 2.8
2 CP Sanitary (Jaquar & Roca) 44.45325 2.4
3 Firefighting 23.43493 1.3
4 Electrical 76.44474 4.1
5 Lifts 82.40805 4.4
6 IBMS 16.33613 0.9
7 Solar water system 4.395096 0.2
8 DG Set 6.592644 0.4
  Total 305.6376 16.4
  Initial Total (A+B+C+D) 1755.969 94.4
  Site eastablishment 33.01863 1.8
  Electrical & water charges 1.5% 26.33954 1.4
  Contingenices for temp. works 17.55969 0.9
  EHS budget 8.779847 0.5
  Construction Cost / Sft 1859.227 100.0

 

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