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Definition of Floor space index

Floor space index Definition from Encyclopedia Dictionaries & Glossaries
Wikipedia English - The Free Encyclopedia
Floor area ratio (FAR), floor space ratio (FSR), floor space index (FSI), site ratio and plot ratio are all terms for the ratio of a building's total floor area (Gross Floor Area) to the size of the piece of land upon which it is built. The terms can also refer to limits imposed on such a ratio.

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