Section 27-432
§ 27-432 Application. This section shall apply to the construction,
alteration, and use of building roofs, or parts thereof, as heliports.
Section 27-433
§ 27-433 Classification. Heliports on building roofs shall be
classified in industrial occupancy group D-1. They shall be separated
from all other portions of the building by construction meeting the
requirements of table 5-2 for fire divisions.
Section 27-434
§ 27-434 Construction. Heliports shall be permitted only on buildings
classified in noncombustible construction group I. All heliport
construction above the building roof shall be noncombustible. No
openings in the roof shall be permitted in the landing area. Roof
openings outside the landing area shall be protected from flammable
liquid spillage by four inch curbs and shall be surrounded by metal
railings at least three feet complying with the requirements of
subchapter nine of this chapter. The landing area shall be enclosed with
a substantial metal fence or skirt.
Section 27-435
§ 27-435 Limitations. No refueling facilities shall be provided, and
no major aircraft repair or maintenance facilities shall be provided.
Section 27-436
§ 27-436 Exits. At least two means of egress, meeting the requirements
of subchapter six of this chapter, shall be provided for each landing
area. The exits shall be remote from each other and shall lead to the
building stairways.
Section 27-437
§ 27-437 Fire protection. Heliports shall be provided with fire-foam
extinguishing equipment and fire alarm facilities meeting the following
requirements:
(a) At least two hose stations housing approved foam generating
equipment shall be provided remote from each other and located adjacent
to outlets of the building standpipe system or other source of water
supply. Hoses shall be provided with nozzles and related equipment for
dispensing foam to all portions of the roof.
(b) The building standpipe system or other source of water supply
shall be capable at all times of providing two hose streams
simultaneously, each of which will afford foam application at a total
water rate of at least sixty gallons per minute at a nozzle presure of
seventy-five psi for a period of ten minutes.
(c) A fire alarm system meeting the installation requirements of
subchapter seventeen of this chapter shall be provided with a direct
connection to the central station of an operating fire alarm company and
with a local alarm to all heliport personnel.