Page 569 - 2018_IRC

FUEL GAS

means for support and restraint of that appliance shall be pro- premises that is required to be changed or replaced shall be
vided. left in a safe structural condition in accordance with the
requirements of this code.
G2404.5 (301.9) Repair. Defective material or parts shall be
replaced or repaired in such a manner so as to preserve the G2405.2 (302.4) Alterations to trusses. Truss members and
original approval or listing. components shall not be cut, drilled, notched, spliced or oth-
erwise altered in any way without the written concurrence
G2404.6 (301.10) Wind resistance. Appliances and supports
that are exposed to wind shall be designed and installed to and approval of a registered design professional. Alterations
resist the wind pressures determined in accordance with this resulting in the addition of loads to any member, such as
code. HVAC equipment and water heaters, shall not be permitted
without verification that the truss is capable of supporting
G2404.7 (301.11) Flood hazard. For structures located in such additional loading.
flood hazard areas, the appliance, equipment and system G2405.3 (302.3.1) Engineered wood products. Cuts,
installations regulated by this code shall be located at or notches and holes bored in trusses, structural composite lum-
above the elevation required by Section R322 for utilities and ber, structural glued-laminated members and I-joists are pro-
attendant equipment.
hibited except where permitted by the manufacturer’s
Exception: The appliance, equipment and system installa- recommendations or where the effects of such alterations are
tions regulated by this code are permitted to be located specifically considered in the design of the member by a reg-
below the elevation required by Section R322 for utilities istered design professional.
and attendant equipment provided that they are designed
and installed to prevent water from entering or accumulat-
ing within the components and to resist hydrostatic and SECTION G2406 (303)
hydrodynamic loads and stresses, including the effects of APPLIANCE LOCATION
buoyancy, during the occurrence of flooding to such ele- G2406.1 (303.1) General. Appliances shall be located as
vation. required by this section, specific requirements elsewhere in
G2404.8 (301.12) Seismic resistance. Where earthquake this code and the conditions of the equipment and appliance
loads are applicable in accordance with this code, the sup- listing.
ports shall be designed and installed for the seismic forces in G2406.2 (303.3) Prohibited locations. Appliances shall not
accordance with this code. be located in sleeping rooms, bathrooms, toilet rooms, stor-
G2404.9 (301.14) Rodentproofing. Buildings or structures age closets or surgical rooms, or in a space that opens only
and the walls enclosing habitable or occupiable rooms and into such rooms or spaces, except where the installation com-
spaces in which persons live, sleep or work, or in which feed, plies with one of the following:
food or foodstuffs are stored, prepared, processed, served or 1. The appliance is a direct-vent appliance installed in
sold, shall be constructed to protect against the entry of accordance with the conditions of the listing and the
rodents. manufacturer’s instructions.
G2404.10 (307.5) Auxiliary drain pan. Category IV con- 2. Vented room heaters, wall furnaces, vented decorative
densing appliances shall be provided with an auxiliary drain appliances, vented gas fireplaces, vented gas fireplace
pan where damage to any building component will occur as a heaters and decorative appliances for installation in
result of stoppage in the condensate drainage system. Such vented solid fuel-burning fireplaces are installed in
pan shall be installed in accordance with the applicable provi- rooms that meet the required volume criteria of Section
sions of Section M1411. G2407.5.
Exception: An auxiliary drain pan shall not be required 3. A single wall-mounted unvented room heater is
for appliances that automatically shut down operation in installed in a bathroom and such unvented room heater
the event of a stoppage in the condensate drainage system. is equipped as specified in Section G2445.6 and has an
G2404.11 (307.6) Condensate pumps. Condensate pumps input rating not greater than 6,000 Btu/h (1.76 kW).
located in uninhabitable spaces, such as attics and crawl The bathroom shall meet the required volume criteria
spaces, shall be connected to the appliance or equipment of Section G2407.5.
served such that when the pump fails, the appliance or equip- 4. A single wall-mounted unvented room heater is
ment will be prevented from operating. Pumps shall be installed in a bedroom and such unvented room heater
installed in accordance with the manufacturer’s instructions. is equipped as specified in Section G2445.6 and has an
input rating not greater than 10,000 Btu/h (2.93 kW).
The bedroom shall meet the required volume criteria of
SECTION G2405 (302) Section G2407.5.
STRUCTURAL SAFETY 5. The appliance is installed in a room or space that opens
G2405.1 (302.1) Structural safety. The building shall not be only into a bedroom or bathroom, and such room or
weakened by the installation of any gas piping. In the process space is used for no other purpose and is provided with
of installing or repairing any gas piping, the finished floors, a solid weather-stripped door equipped with an
walls, ceilings, tile work or any other part of the building or approved self-closing device. Combustion air shall be

544 2018 INTERNATIONAL RESIDENTIAL CODE ®
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