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Requirements for Commonwealth of Massachusetts
Modications to NFPA-54, Chapter 10
Revise NFPA-54 section 10.8.3 to add the following
requirements:
For all side wall, horizontally vented, gas-fueled equip-
ment installed in every dwelling, building or structure used
in whole or in part for residential purposes, including those
owned or operated by the Commonwealth and where the
side wall exhaust vent termination is less than seven (7)
feet above the nished grade in the area of the venting, in-
cluding but not limited to decks and porches, the following
Requirements shall be satised:
1 - INSTALLATION OF CARBON MONOXIDE
DETECTORS. At the time of installation of the side
wall, horizontally vented, gas-fueled equipment, the
installing plumber or gas tter shall observe that
a hard-wired carbon monoxide detector with an
alarm and battery backup is installed on the oor
level where the gas equipment is to be installed.
In addition, the installing plumber or gastter shall
observe that a battery-operated or hard-wired
carbon monoxide detector with an alarm is installed
on each additional level of the dwelling, building or
structure served by the side wall, horizontally vented,
gas-fueled equipment. It shall be the responsibility
of the property owner to secure the services of
qualied licensed professionals for the installation
of hard-wired carbon monoxide detectors.
a. In the event that the side wall, horizontally vented,
gas-fueled equipment is installed in a crawl space or
an attic, the hard-wired carbon monoxide detector with
alarm and battery back-up may be installed on the
next adjacent oor level.
b. In the event that the requirements of this subdivision
cannot be met at the time of completion of installation,
the owner shall have a period of thirty (30) days to
comply with the above requirements; provided,
however, that during said thirty (30) day period, a
battery-operated carbon monoxide detector with an
alarm shall be installed.
2 - APPROVED CARBON MONOXIDE DETECTORS.
Each carbon monoxide detector as required in
accordance with the above provisions shall comply
with NFPA 720 and be ANSI/UL 2034 listed and IAS
certied.
3 - SIGNAGE. A metal or plastic identication plate
shall be permanently mounted to the exterior of the
building at a minimum height of eight (8) feet above
grade directly in line with the exhaust vent terminal
for the horizontally vented, gas-fueled heating
appliance or equipment. The sign shall read, in print
size no less than one-half (1/2) inch in size, “GAS
VENT DIRECTLY BELOW. KEEP CLEAR OF ALL
OBSTRUCTIONS.”
4 - INSPECTION. The state or local gas inspector
of the side wall, horizontally vented, gas-fueled
equipment shall not approve the installation unless,
upon inspection, the inspector observes carbon
monoxide detectors and signage installed in
accordance with the provisions of 248 CMR 5.08(2)
(a) 1 through 4.
EXEMPTIONS: The following equipment is exempt
from 24 CMR 5.08(2)(a) 1 through 4:
1 - The equipment listed in Chapter 10 entitled
“Equipment Not Required to Be Vented” in the most
current edition of NFPA 54 as adopted by the Board;
and
2 - Product Approved side wall, horizontally vented,
gasfueled equipment installed in a room or structure
separate from the dwelling, building or structure
used in whole or in part for residential purposes.
MANUFACTURER REQUIREMENTS -
GAS EQUIPMENT VENTING SYSTEM PROVIDED.
When the manufacturer of Product Approved side wall,
horizontally vented, gas-fueled equipment provides a
venting system design or venting system components
with the equipment, the instructions provided by the man-
ufacturer for installation of the equipment and the venting
system shall include:
1 - Detailed instructions for the installation of the venting
system design or the venting system components:
and
2 - A complete parts list for the venting system design
or venting system.
MANUFACTURER REQUIREMENTS -
GAS EQUIPMENT VENTING SYSTEM NOT PROVIDED.
When the manufacturer of Product Approved side wall,
horizontally vented, gas-fueled equipment does not pro-
vide the parts for venting the ue gases, but identies
“special venting systems,” the following requirements
shall be satised by the manufacturer:
1 - The referenced “special venting system” instructions
shall be included with the appliance or equipment
installation instructions; and
2 - The “special venting systems” shall be Product
Approved by the Board, and the instructions for
that system shall include a parts list and detailed
installation instructions.
A copy of all installation instructions for all Product
Approved side wall, horizontally vented, gas-fueled
equipment, all venting instructions, all parts lists for
venting instructions, and/or all venting design in-
structions shall remain with the appliance
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