SECTION 4501 4501.1.2 Permits.
For permits to operate marine motor fuel-dispensing stations, application of flammable or combustible finishes, and hot works, see Section 105.6. SECTION 4502 DEFINITIONS 4502.1 Definitions.
The following words and terms shall, for the purpose of this chapter and as used elsewhere in this code, have the meanings shown herein. COVERED BOAT MOORAGE
is a pier or system of floating or fixed access ways to which vessels on water may be secured and any portion of which are covered by a roof. GRAVITY-OPERATED DROP OUT VENTS
are automatic smoke and heat vents containing heat-sensitive glazing designed to shrink and drop out of the vent openings when exposed to fire. SECTION 4504 FIRE-PROTECTION EQUIPMENT 4504.2 Standpipes.
Marinas shall be equipped throughout with Class I manual, dry standpipe systems in accordance with NFPA 303. Systems shall be provided with outlets located such that no point on the marina pier or float system exceeds 150 feet from a standpipe outlet. 4504.3 Access and water supply.
Piers and wharves shall be provided with fire apparatus access roads and water-supply systems with on-site fire hydrants when required and approved by the fire code official. At least one fire hydrant capable of providing the required fire flow shall be provided within an approved distance of standpipe supply connections. 4504.4 Portable fire extinguishers.
One 4A40BC fire extinguisher shall be provided at each standpipe outlet. Additional fire extinguishers, suitable for the hazards involved, shall be provided and maintained in accordance with Section 906. 4504.7 Smoke and heat vents.
Approved automatic smoke and heat vents shall be provided in covered boat moorage areas exceeding 2,500 sq. ft. (232 m2
) in area, excluding roof overhangs.
4504.7.1 Design and installation.
|EXCEPTION: ||Smoke and heat vents are not required in areas protected by automatic sprinklers. |
Where smoke and heat vents are required they shall be installed near the roof peak, evenly distributed and arranged so that at least one vent is over each covered berth. The effective vent area shall be calculated using a ratio of one square foot of vent to every fifteen square feet of covered berth area (1:15). Each vent shall provide a minimum opening size of 4 ft. x 4 ft. 4504.7.1.1 Smoke and heat vents.
Smoke and heat vents shall operate automatically by actuation of a heat-responsive device rated at between 100ºF (56ºC) above ambient.
4504.7.1.2 Gravity-operated drop out vents.
|EXCEPTION: ||Gravity-operated drop out vents. |
Gravity-operated drop out vents shall fully open within 5 minutes after the vent cavity is exposed to a simulated fire represented by a time-temperature gradient that reaches an air temperature of 500ºF (260ºC) within 5 minutes. 4504.8 Draft curtains.
Draft curtains shall be provided in covered boat moorage areas exceeding 2,500 sq. ft. (232 m2
) in area, excluding roof overhangs.
4504.8.1 Draft curtain construction.
|EXCEPTION: ||Draft curtains are not required in areas protected by automatic sprinklers. |
Draft curtains shall be constructed of sheet metal, gypsum board or other approved materials that provide equivalent performance to resist the passage of smoke. Joints and connections shall be smoke tight. 4504.8.2 Draft curtain location and depth.
The maximum area protected by draft curtains shall not exceed 2,000 sq. ft. (186 m2
) or two slips or berths, whichever is smaller. Draft curtains shall not extend past the piling line. Draft curtains shall have a minimum depth of 4 feet and shall not extend closer than 8 feet (2438 mm) to the walking surface of the pier.
[Statutory Authority: RCW 19.27.031 and 19.27.074. 10-03-100, § 51-54-4500, filed 1/20/10, effective 7/1/10.]