GENERAL PRINCIPLES OF BUILDING BYB - LAWS: • should be reasonably rigid and adequately flexible as they have

to be sometimes revised according the improvements affected in science and engineering and as per peculiar circumstances existing at the time.

• taking into consideration the number of inmates in the building the minimum window space and sanitary conveniences should be insisted upon.

• The room should receive direct light and air from exterior open space on at least two sides to satisfy ideal condiions of air circulation.

• 7 There should be some healthy relations between the cubic contents of the room building and open spaces around.

• The width and extent of the open space depends upon the height of the structure.

• The height of the building is fixed as per the zone in which it is built.

• The width of the street should never be exceeded by the height of the building there.

• .9 The openings admitting light and air should bear a prescribed ratio to the floor space.

• 10 The set backs should be correctly followed.

THE SET BACKS SHOULD BE CORRECTLY FOLLOWED. • The minimum distance between individual buildings should

be rigidly controlled. • Necessary water supply and sanitary connections should be

made to every unit. • There should be uniformity as regards drainage connections,

water supply, gas and electricity. • The buildings should have adequate fire-fighting

arrangements if over 69 ft. in height.

PATHWAYSLength Paved Width Right way20 1.5 3m 30 2.0 3m 40 2.5 3m 50 3.0 3m

70 3.5 5m GROUP HOUSING SCHEME• FSI Calculated w.r.t :• Plot area as deducted by the area of layout• Roads required • Recreational open spaces required • Special facilities• Public utilities

STILT AREA• MIN. 2.4m ht, MAX. 4.27m• Atleast two sides should be open• Should be strictly used for vehicular parking or play field• Plinth max. 15cm.

SIZE AND HEIGHT OF STORE ROOMArea max. 3sq m. Ht of store room min. 2.2 m

SIZE OF PRIVATE GARAGE• MIN. 2.5m x 5.5m or 2.3m x 4.5m• Garage if in side open space than MIN. 3m away from the building and MIN. 7.5m

away from any cross roads.

SIZE OF PUBLIC GARAGECalculated based on no. of vehicles to be parked.

HEIGHT OF GARAGEMIN. headroom 2.4m

PLINTH OF GARAGEIf at ground level not less than 15 cm.

SETBACK OF GARAGEBehind the building line for a street or a road and shall not be located affecting the access ways to the building.(Note: Built up area of covered private garage and covered shall be calculated in FSI.)

HEIGHT OF ROOM:• The height of a room in any building shall not be less than 2.6m.• Wherever the height of a room in any building shall be 4.27 M or more, the• FSI of such a room shall be calculated at twice its area.• In case of plots earmarked for residential Bungalow or Row Houses: floor area MAX .20 sq.m. per plot or 10% of plot area shall have clear internal height of more than 4.27 m., without counting the same twice for computation of FSI.

BASEMENT• Basement shall be 2.4m in ht. from floor to underside of the roof slab and ceiling.• Adequate ventilation should be provided with the help of ,• Mechanical ventilation in form of blowers • Exhaust fan• A C system

STAIRCASE• Width of the staircase MIN. 1m Minimum width• Width of the tread without nosing MIN. 25 cm• Height of riser MAX. 19.5 cm. limited to 12 per flight.• Minimum width(i) For 2 Storied buildings:Straight Flight - 0.60MFor 2 Storied building with winders - 0.75 MFor 3 Storied buildings:Straight flight - 0.75 M.

Riser 20 Cm. (Max.) Maximum number of winders shall be 2 in a quarterlanding.

Tread For 2 storied building (G+1) - Minimum 22.5 cms

PODIUM• Open sky platform• Not over 7.5m from road level for 20000 sqm. And above .(subject to adequate open space from boundary of plot and clearance from officers.)

ROOM SIZES

No. of Room`

Dimension Carpet Area

Dwelling Units

Living room kitchen W c Bathroom

combined

1 room 0.9mx1.2m

1.2x1.2m

1.2mx2.1m

Not less than 9.5 sq.m.

16.3sq. m.

2 or more rooms

min.10.5sq.m.

Min.4.5sq.m.

0.9mx1.2m

1.2x1.2m

1.2mx2.1m

Not less than7.5sq.m.

Not less than 20sq.m.Note:Any additional room shall not be less than 7.5sq.m. and dim. 2.4m

LOFTS AND MEZZANINES:The following regulations shall apply to buildings of all the Land uses:a) A loft shall be permitted only on one of the walls of the room.b) The minimum height below the loft shall be 2.0 M.

b) For mezzanine floor carpet area is MIN 27 sq. m The height above and below the mezzanine floor shall MIN.2.4 M and 2.6 M respectively.

BALCONIES:• The MIN. clear width of balconies in buildings shall be 1 M.• The floor area of balconies to the extent of 15 percent built up area of therespective floor will be permitted free of FSI . Any additional area beyond 15 percentshall be included in the floor area for computation of FSI.• A balcony in a building may be permitted to be enclosed by an open grill andparapet grill, being above 0.9 metres.

OPEN SPACES AROUND BUILDINGS• The front, side and rear open spaces shall not be less than 3 M. in width where

the height of building does not exceed 10 M.• For heights of buildings above 25 M and upto 30 M the minimum width of the

open space shall be 10 M.• For heights of buildings above 30 M in addition to the minimum width of the

open space required for heights upto 30 M. • There shall be an increase in the width of the open space at the rate of 1 M per

every 5 M or fraction thereof. For heights above 30 M the width of the open space need not exceed 16 M

SR no

Height of buildings

Side and rear open to be left around building

1 10 3

2 15 5

3 18 6

4 21 7

5 24 8

6 27 9

7 30 10

8 35 11

9 40 12

10 45 13

11 50 14

12 55 and above

16SR no.

Front open space

Width of street fronting the plot

1 1.5 Upto 7.5

2 3 7.5 – 18

3 4.5 18 – 30

4 6 Above 30

Automatic Sprinklers : Auto - sprinklers shall be installed :a) In basement used as car parks, if the area exceeds 500 sq.m.b) In multi-storied basements used as car parks and for housing essential services ancillaryto a particular occupancy.c) Any room or other compartment of a building exceeding 500 sq.m.d) Departmental stores or shops that totally exceeds 750 sq.m.e) All non-domestic floors of mixed occupancy considered to constitute a hazard and notprovided with staircases independent of the remainder of a building.f) Godown and warehouses as considered necessary.g) On all floors of the buildings other than residential buildings, if the height of the buildingexceed 60m.h) Dressing rooms, scenery docks, stages and stage basements of theatres