How selection of construction site is dependent on the various factors

Before starting the construction work of a residential building, the proper consideration should be given on the following factors to choose the exact site for the building.

Topography, Nature of sub-soil, Position of the ground water tablem, Facilities, Neighbourhood, Undesirable things near the site, Vegetation, Shape of the site, Availability of men and materials, Proximity to sea-shore, river or lake or the place of natural beauty

Topography: Plain Grounds : If the site is plain, the process for marking, excavation and construction becomes easier without any leveling. But the problem may arise for drainage. Besides, dull pools will be developed after a deep shower. In dry weather, outflow of septic tank develops pools and various diseases will be spread out due to mosquitoes and other insects.

Slopping Grounds : A bare at least of 1% (1 in 100)slope is essential for smooth drainage. At least 2% slope should be maintained for the drainage of lawns. Slope is easily visible, if it surpasses 5%.A ground that is properly leveled contains 0% slope but it is not perfect for construction whereas a slope among 3% and 10% is mostly recognized for constructions. Smooth erosion is possible along these slopes after a deep shower and creep (downward sliding of the subsoil)is generally occurred.

Undulating ground : After proper leveling, construction can be built up on undulating ground.

Low lying area : A low lying area is not recommended. Low lying area next to water body as a lake, reservoir, tank, river or canal may come with a nice view and arrange a superior comfort in severely chill and scorching climate.

Nature of sub-soil : If a soil contains strong bearing strength, a permanent building can be easily developed. The soil that remains underneath the ground is known as sub-soil. The soils which have gravel and sand are called dry soils. These soils cause greater temperature and less humidity.

The position of ground water table : Ground Water Table (GWT) should be located at minimum depth of 3 m underneath ground level.

Percolation : Soils percolating at 180 s/mm are correspondingly less porous and pooling of waste water is generally found in them.

Facilities : Community services like street cleaning, fire protection and utilities like gas supply, drainage line, transport system should have been easily accessible without incurring any additional cost.

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How selection of construction site is dependent on the various factors