Rates For Demolition Of Buildings, Building demolition is an important element that is regularly encountered during the construction and renovation of buildings. Old structures are demolished, to build new buildings in their place.
Following are the general procedures for the Demolition of a Building.
(1) Site Inspection.
- The type of building will have to ascertain whether it is a tiled roof or with an RCC Roofing.
- The size of the building or the area of the building has to be obtained before demolition.
- Inspect the roof structure, wooden doors, windows, and ceilings thoroughly to calculate the value of useful materials. This is very essential. Sometimes the client will have to bear any costs for the demolition works.
(2) Methods of Demolition.
- If the building is small, you can easily demolish it manually using tools like sledgehammers, crowbars, drills, etc.
- If the building is large or up to 3 stories, you can demolish it using a jackhammer, drill, and cutting blades. This purpose requires highly skilled labourers.
- Detailed studies and investigations precede the demolition of very big buildings or skyscrapers. Sometimes it may take months, but actual demolition takes only a few seconds. Such buildings are demolished by using Dynamites and Detonators.
In some cases, even plastic explosives are used. These jobs are done by very big companies having explosive experts and technicians.
Costs of Demolition of Building
For the Demolition of normal and common buildings, the following are the approximate rates.
- Brick wall up to 20 to 22 cm thick. Rs 20/ sft.
- RCC Sunshade and Lintel. Rs 45/ RFT.
- RCC slabs of 10 to 12 CM thick. Rs.30/ sft.
- RCC Beams of size up to 20 * 45 cm Rs.90/ RFT.
- Brick wall Blade cutting up to 22 cm thick Rs 90/RFT.
- RCC Slabs Blade cutting up to 12 cm thick Rs. 110/RFT
Demolition of Foundations.
In certain cases, demolition of the foundation also becomes necessary for the construction of a new foundation for the proposed building. The following types of foundations used to be demolished.
(a) Masonry Foundation
The Foundation for most of the old residential is with Random Rubble, Laterite Stone, Bricks,& Pcc blocks. For the Demolition of these foundations, Earth’s work excavation also will have to take into consideration.
The total approximate cost will be Rs.2350/ cum.
(b) RCC Foundation.
Mainly with an RCC mat on the bottom, Raft and Plinth beams, RCC Columns and footings etc. The approximate rate including earthwork excavation will be about Rs.4000/ cum.
Precautions are to be taken before any Demolition works can begin.
- You need to obtain permission from the Electricity Authorities to use electricity for demolition purposes.
- Take all necessary precautions to prevent the buildings from collapsing during the demolition process. We will properly support roof slabs, beams, and arches with steel props, across spans, etc., ensuring sufficient spacings.
- Before starting a vertical blade cutting of a masonry wall or RCC slabs, essential for building renovation, mark the cutting place accurately from both sides for straight cutting.