Slum Board builds cheaper houses

Monolithic structures eliminate possibility of sub-standard construction

high rise: A view of the apartments built using monolithic concrete structures at Sathagalli in Mysore. DH PhotoUnder the project being implemented at Sathagalli on the outskirts of the city, beneficiaries will get houses with a built-in area of 300 sq ft for as low as Rs 20,600 each, if they belong to SC/ST communities. The cost of the houses for other beneficiaries is Rs 24,700 each.

The first phase of the project involves construction of 448 houses, with each unit having a bedroom, hall, kitchen, bathroom and toilet.

The houses will be inaugurated by Housing Minister V Somanna on Friday. The project involves construction of 1,000 houses at a total cost of Rs 30.15 crore. The contract has been given to PG Setty Construction Technology Private Limited.

Company managing director, M G Somashekar, told Deccan Herald that using this technology, they were constructing four houses a day.

He said the construction of a conventional building comprising 128 houses - also being built by KSDB - began at the same time as this project. These houses would take at least another two months to complete. But the houses built using monolithic concrete
structures were ready for inauguration.

Another advantage is that nearly three loads of construction materials can be saved while constructing each house. With no room for meddling with the concrete by workers, quality and speed of construction is also assured.

These structures can withstand earthquakes. Somashekar said the dwelling units had been constructed in such a way that the pressure of an earthquake is distributed equally on the structure. This ensures the building does not collapse.

KSDB executive engineer Kapani Gowda said the project was taken up under JnNURM for the urban poor in 65 cities across India. Mysore and Bangalore have been chosen in the State. Mysore will witness the construction of 6,328 houses in three phases and Bangalore will have 18,180 houses.

Gowda said the process to select beneficiaries was transparent and the list was put up on the website and also at the zonal offices of Mysore City Corporation. A State-level empowered committee will draw the lots. Senior citizens and specially-abled will be given preference while allotting houses in the ground floor.

 

What is monolithic construction

Monolithic construction is a method where a structure is built using homogeneous material. For the dwelling units being constructed in Mysore, concrete is being used as the homogeneous material.

Most of the key components such as walls, columns, beams, floor slabs, staircases, balconies, openings, hoods and storage lofts are monolithically concreted in situ.

During the construction of such blocks, there is no need of bricks, blocks and plastering. Because of reduced dead load, superstructure and foundation cost are minimised without compromising on strength. These structures are efficient against earth quake due to their single rigid block nature.

The technology, which has been developed in USA, is being introduced for the first time in India.

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