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Floor Space Index (FSI) is an important parameter in any developing urban area. It provides one of the important bases for planning and development control. When correctly determined, FSI dictates the allowable built-up area on a given plot. On the other hand, it has also to be determined by way of translating land use policy, transportation management and matters governing urban density etc. Past reports show many policies related to FSI are neither methodically determined nor based upon any definitive weighting technique.
The assessment techniques, if any, are based upon land economics and not upon the ‘demand / need’. The available literature on the subject is linked with the impact of constructed space upon the urban fabric. This justification is advantageous, but may not give a directive principle in urban development strategy.
The Floor Space Index (FSI) is one of the important factors as it encourages the use of vertical space, rather than the horizontal. The evolution of philosophy of FSI concept is simple. In village planning, it is considered sustainability and availability of water and resources as a major factor.
The township planning gives more importance to residential housing considering the earning capacity of the individual through local body tax. The relevant acts are related to the suitable use of space. In one act, it considers the social and health perspective. In another act, it is recommended the mixed-use in villages considering non-polluting industry, hospitals, educational institutions, playgrounds, gardens, schools, with residential. In city planning, it considers the available amenities, approach to the roads, business activities, tax collection etc.(more)
