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CASE STUDIES
Clause of the Unified Provision from the Contents of the Clause Remarks.
Building Bye Laws National Building Code,
2016 2016 (or earlier)
8.4.3 k Stairways Part 4, Fire and Life safety In case of single staircase it shall Only valid for High Rise
terminate at the ground floor level Developments, which
and the access to the basement shall are defined in the UBBL-
be by a separate staircase. However, 2016 as ‘Any buildings
the second staircase shall lead of 15m and above height
to basement levels provided the shall be considered as
same is separated at ground level high rise building.’ Or
by either a ventilated lobby with as per Section 27 and 33
discharge points at two different of the Delhi Fire Service
ends or through enclosures with Rules, 2010
fire resistance rating door (Refer
NBC Part 4, Fire and Life safety) or
through a fire protected corridor.
8.4.4 Lifts Part 4, Fire and Life safety Lifts Walls of lift enclosures and -do-
lift lobby shall have fire rating of
two hour; Lift lobby doors in lift
enclosures shall have fire resistance
Lifts if communicating with the
basement, the lift lobby of the
basements shall be pressurized as
suggested in clause 8.5.4(f) and
8.5.4(h) with self-closing door
with fire resistance rating For
Pressurization Specifications of
various building components refer
NBC Chapter 4 Fire and Life Safety
Clause 4.10
8.4.5 Basements Part 4, Fire and Life safety The staircase of basements shall -do-
(most related) be of enclosed type having fire
resistance rating The staircase
shall communicate with basement
through a lobby with self-closing
doors with fire resistance rating as
per relevant NBC code mentioned
above. For travel distance table 8.2
given below should be followed. If
travel distance exceeds that given in
the table below, additional staircases
shall be provided. Mechanical
extractors shall be designated to
permit air changes per hour as
required by NBC Part 4, Fire and
Life Safety in case of fire or distress
call Boiler room shall be provided
at the first basement along the
periphery wall with fire resistance
rating
October, 2022, Volume 23. No.2 - SHELTER 93