Interior Open Space means at least one side of all the rooms intended for human habitation, if such room does not abut on the front or the rear or the side setbacks, shall abut on an Interior open space whose minimum dimension shall be 3 meters x 3 meters in cases of buildings up to a height of 12 meters. In cases where the height of the building is more than 12 meters, the width of the interior open space shall be increased at the rate of one meter for every additional 3 (three) meters height. This provision shall be applicable to all categories of buildings, namely, residential, apartment, commercial, institutional, administrative, assembly.
Exemption in Open Space : Every open space provided either in the interior or exterior in respect of any building shall be kept free from any erection thereon and shall be open to the sky and no cornice, roof, or weather shade of more than 0.75 m. in width shall overhang or project over such open space.
Regulations for Ventilation Shaft : For ventilating the spaces for water closets and bath rooms if not opening on to front, side, rear and interior open spaces, these shall open on the ventilation shaft, the size of which shall not be less than the values given below:
|Height of Buildings in Meter
||Size of ventilation shaft in Square Meter
||Minimum dimension of one side of the shaft in Meter