Page 107 - GRIHA Manual Volume I - Introduction to National Rating System
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94 Griha Manual: Volume 1



Criterion 30 Tobacco smoke control

Objective

To put in place health strategies such as prohibiting smoking in the indoor areas/building or providing
designated/isolated smoking zones within the building designed with separate ventilation systems
with higher ventilation rates than the non-smoking areas. This will ensure zero exposure of the non-
smoking occupants to passive smoking.

30.1 Commitment
30.1.1 In both an air-conditioned/non-air-conditioned buildings, ensure zero exposure of non-
smokers to the tobacco smoke; prohibit smoking on the building premises supported with
the company policy.
30.1.2 Ensure that both air-conditioned/non-air-conditioned buildings provide a designated
smoking zone with a controlled environment that ensures restriction of the smoke to the
designated area, preferably in the peripheral spaces of the buildings or within the buildings
(for multiple-occupancy buildings such as hotels, non-smoking and smoking rooms to be
clearly identifi ed).

30.2 Compliance
The following documents should be submitted.
30.2.1 Company policy for the ban/prohibition on smoking within the building premises, if
applicable, with the supportive documents verifi ed and signed by a responsible authority
or
30.2.2 The building plan/interior layout signed by the architect, demonstrating the internal
planning for the smoke control by locating the designated smoking zone on the building
periphery separated from the nonsmoking areas by full height impermeable internal
partitions.
30.2.3 For a conditioned space, clearly demonstrate with the help of the AC system design
documents, signed by the HVAC consultant or the site engineer, that
# designated smoking area is independent of the non-smoking areas in the building.
# smoking zone is exhausted directly to the outdoors such that there is no recirculation of
the tobacco smoke air to the nonsmoking zone of the building.
# Smoking zone is operated on separate ventilation systems, with higher ventilation rates
than the non-smoking areas, and is designed for at least 60 cfm (cubic feet per minute)/
person.
# Smoking zone operates at a negative pressure in comparison with the surrounding non-
smoking zone.
30.2.4 For a non-conditioned space, clearly demonstrate in the internal fl oor plans/interior layout
that the designated smoking zone is properly ventilated with the appropriate location of
the air inlets/outlets.
30.2.5 For a non-conditioned space, clearly demonstrate with the help of a design narrative.
# Designated smoking zone if mechanically ventilated is designed for not less than 30 ACH
(air changes per hour).
# Smoking zone is properly ventilated and at a minimum, exhausted directly to the
outdoors, such that there is no recirculation of the tobacco smoke air to the nonsmoking
zone of the building.
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