Open Spaces - Exterior open spaces for buildings having height up to 12.5 meters.
(1) Front open spaces -
(a) Every Residential Building having height up to 12.5 meters, 222 (226) S.N
(1)
1.
2.
3.
4.
l'.f~ ~. ~ 14 l'.ffif 2016 facittg street shall have a front open space mentioned below and such open space shall form an integral part of the site:- Width of,street facing the plot Front open space Min.
(2) (3) up to 9.0 meters 3.0 meters • More than 9.0 meters and up to 3.6 meters 12 meters More than 12.0 meters and up to 4.5meters 18 meters Above 18 meters. 6.0 meters
(b) In existing developed areas with streets less than 6.0 meters in width, the distances of the building (building line) shall be at 6.0 meters from the center line of the stre·et.
a
(2) Rear Open Space -
(a) Every Residential Building, having height up to 12.5 meters, shall have a Rear Open· Space, as below :- • • Sr. Plot area in Square meters Minimum Rear Open No. · space in meters
(1) (2) (3)
1..
2 . ..,
4.
Upto 40.00 Nil Above 40.00 and Up to 150.00 1.50 Above 150 and up to 225.00 2.50 Above 225.00 3.00
(b) Rear open space to extend upto the rear wall. The rear open space shall be co-extensive with the entire face of the rear wall. If a building abuts on two or more streets, such rear open space shall be provided through-out the entire face of -i:r~ ~. ~ 14 -i:rr.f 2016 222 (227) the rear wall. Such rear wall shall be the wall on the .. opposite side· of the face of the building unless the Agency otherwise directs.
(3) Side open space- Every semi-det3rched • and detached building shall have a permanently open airspace on sides, forming integral part of the site as below:-
(i) For detached buildings there· shall be minimum side open spaces of 3 meters on both the sides:
Provided that for detached residential building up to. 7 meters in height on plots with a frontage less than 12 meters, one of the sides open space may be reduced to 1.5 meters.
(ii) For semi- detached building there shall be a minimum side open space of3.0 meters on . one side. For Semidetached . building up to 10 meters in height on plots with a frontage up to 10 meters, the side" open spa~e may be reduced to 2.5 meters. •
(iii) • For row-type buildings/ housing, no side open space is required.
( 4) Notwithstanding anything contained in sub-rule (2) and (3) garage may be permitted at rear end of the side open space.
( 5) Open space for building Qf more _than 12.5 meters height- For building . of . height above 12.5 meters the open spaces around building shall be as given in Table04 and 5 of Rule 58.
( 6) . Interior open spaces for all buildings- ( a) • Inner Courtyard-
(i) Every room (except bath, water closet and store room) that does not abut on either the front, rear or side open spaces shall abut on an inner courtyard, having minimum side of 3 meters.
(ii) Further the inner courtyard shall have a minimum area, throughout its height, of not less than the square of one fifth the height of the highest wall abutting the courtyard.
222 (228)
Provided that when any room ( excluding staircase bay, bathroom and water closet) is dependent for its light and ventilation on an inner courtyard, its dimension shall be such as is required for each wing of the building.
(iii) Where only water closet and bath room are abutting on the interior courtyard, the size of the interior courtyard shall be in line with the provision for ventilation shaft ·as given in clause (b).
(b) Ventilation Shaft- For ventilating the spaces for water closet and bath room in all types and height of buildings, if not opening on the front or side or rear or interior open spaces, shall open on to the ventilation shaft, the size of which shall not be less than the values given below :- , Height of buildings_ Size of ventilation shaft Minimum size of a side in meters in square meters ofshaft in meters
(1) £2) (3) Up to 10 12 0.9 125 2.8 - 12 18 4.0 1.5 24 5.4 1.8 30 8.0 2.4 above 30 9.0 3.0 Note 1 : For buildings above 30 meters mechanical ventilation system, shall be i~stalled besides the provision of minimum ventilation shaft.
Note 2: For fully air-conditioned residential buildings the ventilation shaft need not be insisted :
Provided that the air-conditioning system is designed to work in an un-interrupted manner which means that there is an alternate source of power supply.
(c) Outer Courtyard: The mininrum width of outer courtyard (distinguished from its depth) shall be 2.4 meters.
If the width of the outer courtyard is less than 2.4 meters, then it shall be treated as a notch and the provisions of outer courtyard shall not apply.
-q~ ~. ~ 14 l={fil 2016 222 (229)
(7) Joint open air space for buildings-
(a) Every interior or exterior open air space, unless the latter is a street, shall be maintained and shall lie entirely within the owner's own premises.
(b) If such interior or exterior open air space is intended to be used for the benefit of more than one building belonging to the same owner, then the width of such open air space shall be equal to t~e one as specified for tallest building abutting on such open air space.
(c) If such interior or exterior open space is jointly owned by more than one person, then its width shall be as per (b) above·: •
Provided that every such person agrees in writing to allow his portion of such jQint open space to be used for the benefit of every building abutting on such joint open space and.provided he submits his written consent to the Agency for record. Such common open space shall· henceforth be treated as a permanently open space required for· the purposes ot; these rules. No boundary wall between such joint open space shall be erected or raised to a height above 2.0 meters.
• 73. Open spaces for other occupancies: -In case where the composite building permission is applied for the following occupancies/ buildings :-•
(a)
(b)
(c)
(d)
(e)
(f) . .
Educational Buildings- Except for· nursery school, the open spaces around the building shall not be less than 6 meters.
Institutional Building- The open spac.es • ar~und the building shall not be less than 6 meters.
Assembly Building- The open space at front shall not be less than 12 meters and other space~ around the buildin:g shall not be • less than 6 meters. • o Business, Mercantile and Storage Buildings-The open spaces shall not be less than 6 meters in the front and 4.5 meters on other three sides. Where these are situated in purely residential zone or residential with shops line zone, the open spaces may be relaxed.
Industrial Buildings - The open spaces around the building shall not be less than as prescribed in Rule 64.
Hazardous occupancies- The open space around the building shall be as specified for industrial buildings mentioned in clause ( e) 222 (230) above.