412.7 - Heliports and helistops
Heliports and helistops shall be permitted to be erected on buildings or other locations where they are constructed in accordance with Sections 412.7.1 through 412.7.4.
412.7.1
Size. The landing area
for helicopters less than 3,500 pounds (1588 kg) shall be a minimum of 20 feet
(6096 mm) in length and width. The landing area shall be surrounded on all
sides by a clear area having a minimum average width at roof level of 15 feet
(4572 mm) but with no width less than 5 feet (1524 mm).
412.7.2
Design. Helicopter
landing areas and the supports thereof on the roof of a building shall be
noncombustible construction. Landing areas shall be designed to confine any
flammable liquid spillage to the landing area itself and provisions shall be
made to drain such spillage away from any exit or
stairway serving the helicopter landing area or from a
structure housing such exit or stairway. For
structural design requirements, see Section 1605.4.
412.7.3
Means of egress. The
means of egress from heliports and helistops shall comply with
the provisions of Chapter 10. Landing areas located on buildings or structures
shall have two or more means of egress. For landing areas less
than 60 feet (18 288 mm) in length or less than 2,000 square feet (186
m2) in area, the second means of
egress is permitted to be a fire escape, alternating tread
device or ladder leading to the floor below.
412.7.4
Rooftop heliports and
helistops. Rooftop heliports and helistops shall comply with NFPA
418.
Notes
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