SECTION 406 MOTOR-VEHICLE-RELATED
OCCUPANCIES
406.5 Motor fueldispensing
facilities.
406.5.1 Construction.
Motor fuel-dispensing facilities shall be constructed
in accordance with the International Fire Code and this
section.
406.5.2 Canopies. Canopies
under which fuels are dispensed shall have a clear, unobstructed
height of not less than 13 feet 6 inches (4115 mm) to
the lowest projecting element in the vehicle drive-through
area. Canopies and their supports over pumps shall be
of noncombustible materials, fire-retardant-treated wood
complying with Chapter 23, wood of Type IV sizes or of
construction providing l-hour fire resistance. Combustible
materials used in or on a canopy shall comply with one
of the following:
1. Shielded from the
pumps by a noncombustible element of the canopy, or wood
of Type IV sizes;
2. Plastics covered
by aluminum facing having a minimum thickness of 0.010
inch (0.30 mm) or corrosion-resistant steel having a minimum
base metal thickness of 0.016 inch (0.41 mm). The plastic
shall have a flame spread index of 25 or less and a smoke-developed
index of 450 or less when tested in the form intended
for use in accordance with ASTM E 84 and a self-ignition
temperature of 650°F (343°C) or greater when tested in
accordance with ASTM D 1929; or
3. Panels constructed
of light-transmitting plastic materials shall be permitted
to be installed in canopies erected over motor vehicle
fuel-dispensing station fuel dispensers, provided the
panels are located at least 10 feet (3048 mm) from any
building on the same lot and face yards or streets not
less than 40 feet (12 192 mm) in width on the other sides.
The aggregate areas of plastics shall not exceed 1,000
square feet (93 m2). The maximum area of any
individual panel shall not exceed 100 square feet (9.3
m2),
406.5.2.1 Canopies
used to support gaseous hydrogen systems. Canopies that
are used to shelter dispensing operations where flammable
compressed gases are located on the roof of the canopy shall
be in accordance with the following:
1.The canopy shall meet
or exceed Type I construction requirements.
2. Operations located
under canopies shall be limited to refueling only. 3.The
canopy shall be constructed in a manner that prevents
the accumulation of hydrogen gas.
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