506725-01
Page 48 of 48
Issue 1109
REQUIREMENTS for COMMONWEALTH of MASSACHUSETTS
Modifications 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 equipment
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 finished grade in the area of the venting, including but
not limited to decks and porches, the following requirements
shall be satisfied:
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 fitter shall observe that a hard wired
carbon monoxide detector with an alarm and battery
backup is installed on the floor level where the gas
equipment is to be installed. In addition, the installing
plumber or gas fitter 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 qualified 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 backup may be installed on
the next adjacent floor 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 certified.
3.
SIGNAGE
. A metal or plastic identification 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, gas
fueled 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 manufacturer
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 sidewall,
horizontally vented, gas fueled equipment does not provide
the parts for venting the flue gases, but identifies “special
venting systems,” the following requirements shall be
satisfied 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
instructions shall remain with the appliance or
equipment at the completion of the installation.
