Section 2: Individual LEED Credit Reviews
LEED EQ Prerequisite 2:
Cost Impact = 2 or 3
Environmental Tobacco
1
2
3
4
5
Smoke
GSA
No
Low
Moderate
High
Standard
premium,
premium
premium
premium
(no cost)
psble svgs
(<50K)
(50-150K)
(>150K)
Intent
Practical Applications
Prevent exposure of building occupants and
systems to Environmental Tobacco Smoke
Compliance with this credit may be achieved
(ETS).
through two means:
Requirement
Prohibition of smoking in the building (with
Zero exposure of nonsmokers to Environmental
no exterior smoking areas allowed at building
Tobacco Smoke (ETS) by EITHER:
entries or near operable windows); or
Creation of designated smoking rooms
Prohibiting smoking in the building and
meeting the LEED construction and
locating any exterior designated smoking
ventilation criteria.
areas away from entries and operable
windows;
Basis for Cost Assumption
OR
Providing a designated smoking room
While the majority of GSA facilities are smoke-
designed to effectively contain, capture and
free, GSA standards and Executive Order 13058
remove ETS from the building. At a
do currently allow for smoking rooms in federal
minimum, the smoking room shall be
facilities. Per P100, smoking rooms in GSA
directly exhausted to the outdoors with no
buildings are to be operated under negative
re-circulation of ETS-containing air to the
pressure and exhausted directly to the outdoors,
non-smoking area of the building, enclosed
which is consistent with the LEED requirements.
with impermeable structural deck to deck
For the purposes of this study, it is also assumed
partitions and operated at a negative
that structural deck-to-deck partitions are installed
pressure compared with the surrounding
to meet the P100 criteria.
spaces of at least 7 PA (0.03 inches of water
gauge).
The P100 standards do not, however, specify a
Performance of smoking rooms shall be
minimum negative pressure that must be
maintained, nor require tracer gas testing of the
verified using tracer gas testing methods as
facility prior to occupancy. The cost premium for
described in the ASHRAE Standard 129-
this prerequisite is therefore based on providing
1997. Acceptable exposure in non-smoking
tracer gas testing for each designated smoking
areas is defined as less than 1% of the tracer
room. For the Courthouse model, testing for nine
gas concentration in the smoking room
rooms is included, based on the assumption that
detectable in the adjoining non-smoking
judges are allowed to smoke in their private
areas. Smoking room testing as described in
chambers (there are nine courtrooms and nine sets
the ASHRAE Standard 129-1997 is
of judge's chambers in the building). For the Office
required in the contract documents and
Building model, testing for eight rooms is included,
critical smoking facility systems testing
based on the assumption that there is one smoking
results must be included in the building
lounge per floor on floors two through nine. The
commissioning plan and report or as a
estimates for tracer gas testing include costs for
separate document.
set-up and mobilization, testing of the identified
spaces, equipment calibration, and final reporting
of results.
GSA LEED COST STUDY
131
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