(a) All supporting members shall be of sufficient size and strength to support the structure.
(b) Portable Storage, Tents, Drop Boxes and Storage Units shall be adequately guyed, supported and braced to withstand a wind pressure or suction of ten pounds per square foot. The poles and their supporting guys, stays, stakes, fastenings, shall be of sufficient strength and attached so as to resist wind pressure of 20 pounds per square foot of projected area of the portable structure and or tent.
(c) Anchorage required. Tents, canopies or membrane structures and their appurtenances shall be adequately roped, braced and anchored to withstand the elements of weather and prevent against collapsing. Documentation of structure stability shall be furnished to the fire code official on request.
(d) Temporary air-supported and air-inflated membrane structures. Temporary air- supported and air-inflated membrane structures shall be in accordance with this paragraph.
(1) Door operation. During high winds exceeding 50 miles per hour (80 kph) or in snow conditions, the use of doors in air-supported structures shall be controlled to avoid excessive air loss. Doors shall not be left open.
(2) Fabric envelope design and construction. Air-supported and air-inflated structures shall have the design and construction of the fabric envelope and the method of anchoring in accordance with Architectural Fabric Structures Institute ASI77 as listed in rule 1301:7-7-45 of the Administrative Code.
(3) Blowers. An air-supported structure used as a place of assembly shall be furnished with not less than two blowers, each of which has adequate capacity to maintain full inflation pressure with normal leakage. The design of the blower shall be so as to provide integral limiting pressure at the design pressure specified by the manufacturer.
(4) Auxiliary power. Places of public assembly for more than 200 persons shall be furnished with either a fully automatic auxiliary engine-generator set capable of powering one blower continuously for 4 hours, or a supplementary blower powered by an internal combustion engine which shall be automatic in operation.
(Ord. 58-2007. Passed 1-3-08.)