Floor Space Index

Means the quotient of the ratio of the combined gross built-up area of all floors, to the total area of the Building-unit (total plot area including common plot).

Floor Space Index = Total Built-up area of all floors / Area of the Building – unit

1. Permissible FSI – Means the basic FSI permitted by the Competent Authority as a matter of right.
2. Base FSI – Means the base FSI permitted in a Base Zone by the Competent Authority as a matter of right.
3. Chargeable FSI – Means the FSI available by payment.
4. Maximum Permissible FSI – Means the maximum permissible FSI which includes permissible FSI and Chargeable FSI.
5. Utilised Chargeable FSI – Means the amount of FSI used that is paid for and purchased by the applicant.
6. Total Utilised FSI – Means the total Utilized FSI

Notwithstanding anything in these regulations relating to the for FSI, for buildings to be constructed under the GIDC Act, FSI shall mean the following:-

The ratio of the combined gross built up area or floor area of all stories including basement for parking, basement for other uses, the area of all walls as well as mezzanine floor of a building on plot, building unit or premises to the total area of plot, building unit or premises, excluding the area of internal roads and common plots, Provided that the following shall not be counted computation of Floor Space Index.

1. Space under a building constructed on stilts and specifically used as parking space.
2. Any area used for parking open to sky.
3. Ramps leading to any area exclusively used for parking.
4. Chowks open to sky.
5. Area covered by otta, steps limited to height of 1.5 mt. only and ramps, chowkdies/ kundies, fountains, septic tank, manholes, water tank, swine -frame. swimming pool, underground tank, over -head tank, well, boring, tube well, reservoir and purification plant open to sky.
6. W. C., bath room. servant quarters, motor garage, storage sheds, or sheds, or sheds as permitted in the rear margin area of ground floor construction only. constructed in the rear marginal distance up to the length of 50% of the width of plot of ground floor construction with maximum height of 3.6 meters and maximum total built-up area of 25 sq. mt.
7. Architectural projection to the extent of 0.6 mt.
8. Elevated water tanks and space less than 2.0 metrs, below elevated water tank.
9. Stair -cabin, ramp -cabin, lift cabin with machine room constructed on terrace to the extent minimum necessary.
10. Open sheds of parking constructed in margins may not be considered as construction and hence shall be exempted from FSI & built-up calculations.

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