Basements as Requirements of Part of Building in UDCPR 2020

Mar 31, 2024

UDCPR 2020 Chapter 9 is all about the Requirements of Part of the Building as per mentioned in the UDCPR

This is Applicable to all Planning Authorities and Regional Plan Areas except Municipal Corporation of Greater Mumbai, Other Planning Authorities/Special Planning Authorities/ Development Authorities within the limit of Municipal Corporation of Greater Mumbai, MIDC, NAINA, Jawaharlal Nehru Port Trust, Hill Station Municipal Councils, Eco-sensitive/Eco-fragile region notified by MoEF & CC and Lonavala Municipal Council, in Maharashtra.

9.11 Basements

9.11.1

Basement shall generally be constructed within the prescribed setbacks/margins with one or more levels.

The following uses shall be permissible at free of FSI.

i) Air-conditioning equipment and other machines used for services and utilities of the building;

ii) Parking spaces;

iii) D.G. set room, meter room, and electric substation (which will conform to required safety requirements), Effluent Treatment Plant, suction tank, and pump room;

iv) Storage (only for use of Data Centre)

The following uses shall be permissible and counted in FSI.

a) Storage of household or other goods or ordinarily non-combustible material incidental to principle use;

b) Strong rooms, bank lockers, safe deposit vaults, laundry room, Radio/laser therapy, post mortem room, mortuary, medical shop and, cold storage for hospital building, etc.

c) Commercial use in the first basement is in the case of shopping centres/shopping malls.

d) Uses strictly ancillary to the Principal use.

e) Nursing quarters are used as an ancillary to the hospital in the first basement, if it is 0.9 m. to 1.2 m, above ground level with proper ventilation.

Provided that,

i) If the basement is proposed flushing to average surrounding ground level, then such a basement can be extended in side and rear margins up to 1.5 m. from the plot boundary.

ii) Multilevel basements may be permitted if the basement is used for parking. 9.11.2 The basement shall have the following requirements -

9.11.2 The basement shall have the following requirements -

a) Every basement shall be in every part at least 2.4 m. in height from the floor to the soffit of the beam.

b) Adequate ventilation shall be provided for the basement with a ventilation area not less than 2.5% of the area of the basement. Any deficiency may be met by providing adequate mechanical ventilation in the form of blowers, exhaust fans or air-conditioning systems, etc.

c) The minimum height of the ceiling of any basement shall be 0.9 m. and the maximum shall be 1.2 m above the average surrounding ground level. However, it does not apply to the mechanically ventilated basements. In such cases, the basement may also be allowed to flush to the average ground level.

d) Adequate arrangements shall be made to ensure that surface drainage does not enter the basement.

e) The walls and floors of the basements shall be water-tight and be so designed that the effect of the surrounding solid and moisture, if any, is taken into account in the design and adequate damp proofing treatment is given. In the case of a special building, where, the movement of a fire-fighting vehicle is proposed on the basement flushing to the ground level, the slab of the basement shall be designed to withstand the pressure of a fire-fighting vehicle.

f) The access to the basement shall be separate from the main and alternate staircase providing access and exit from higher floors. Where the staircase is continuous, the same shall be enclosed type serving as a fire separation from the basement floor and higher floors. Open ramps shall be permitted subject to the provision of Regulation No.9.12.