Construction Cost Estimate
Following article describes cost for construction of residential building in USA. As a thumb rule cost per square feet of construction area is calculated for budget preparation. The construction cost can be divided under several head, the most common cost heads are
- Consultant cost -this includes cost involved for architectural design, structural design, services design etc. The cost varies between Rs 43 -45 per Sft and about 2.5 % of total construction cost.
- 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 project cost.
- 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.
- Services works – this includes essential services like plumbing, 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.
- 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 structure 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 | Kitchen 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 false ceiling | 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 |