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SPECIAL CONSTRUCTION � s noncombustible covers and shall be either fixed, retractable, 3108.3 Construction.Towers shall be constructed of approv�d 37 folding or collapsible. corrosion-resistant noncombustible material. The minimqm 2 dc 3105.4 Canopy materials.Canopies shall be constructed of a type of construction of isolafed radio towers not more than Ipp Pr � rigid framework with an approved covering that meets the fire feet(30 480 mm)in height shall be Type IIB. � propagation performance criteria of NFPA 701 or has a flame 3108.4 Loads.Towers shall be designed to resist wind loads�n spread index not greater than 25 when tested in accordance 3� with ASTM E 84. accordance with TIA/EIA-222.Consideration shall be given to �' conditions involving wind load on ice-covered sections in m localities subject to sustained freezing temperatures. zc SECTION 3106 3108.4.1 Dead load.Towers shall be designed for the dead h� MARQUEES load plus the ice load in regions where ice formation occurs. p( be 3106.1 General.Marquees shall comply with this section and 3108.4.2 Wind load.Adequate foundations and anchorage � � other applicable sections of this code. shall be provided to resist two times the calculated wind bf load. � 3106.2 Thickness.The maximum height or thickness of a mar- in quee measured vertically from its lowest to its highest point 3108.5 Grounding. Towers shal] be permanently and effe�_ 3 shall not exceed 3 feet (914 mm)where the marquee projects tively grounded. � more than two-thirds of the distance from the property line to m the curb line,and shall not exceed 9 feet(2743 mm)where the z� marquee is less than two-thirds of the distance from the prop- SECTION 3109 bf erty line to the curb line. SWIMMING POOL ENCLOSURES AND m 3106.3 Roof construction.Where the roof or any part thereof SAFETY DEVICES m is a skylight,the skylight shall compiy with the requirements of 1• Chapter 24. Every roof and skylight of a marquee shall be 3109.1 General. Swimming pools shall comply with the sloped to downspouts that shall conduct any drainage from the requirements of this section and other applicable sections of 3 marquee in such a manner so as not to spill over the sidewalk. �'s code. si m 3106.4 Location prohibited. Every marquee shall be so 3109.2 Definition.The following word and term shall,for the te located as not to interfere with the operation of any exterior Purposes of this section and as used elsewhere in this code, tc standpipe,and such that the marquee does not obstruct the clear have the meaning shown herein. passage of stairways or exit discharge from the building or the SWIMMING POOLS.An structure intended for swimmin , 3 installation or maintenance of street li htin Y g �� g g• recreationa] bathing or wading that contains water over 24 f� 3106.5 Construction. A marquee shall be supported entirely inches(610 mm)deep.This includes in-ground,above-ground 1 from the building and constructed of noncombustible materi- and on-ground pools;hot tubs;spas and fixed-in-place wading als. Marquees shall be designed as required in Chapter 16. Pools. 3: Structural members shall be protected to prevent deterioration. 3109.3 Public swimming pools.Public swimming pools shall � a� be completely enclosed by a fence at least 4 feet(1290 mm)in p height or a screen enclosure. Openings in the fence shall not tt SECTION 3107 permit the passage of a 4-inch-diameter(l 02 mm)sphere.The d SIGNS fence or screen enclosure shall be equipped with self-closin� h; 3107.1 General. Signs shall be designed, constructed and and self-latching gates. � ir maintained in accordance with this code. 3109.4 Residential swimming pools. Residential swimming � pools shall comply with Sections 3109.4.1 through 3109.4•�• is SECTION 3108 Exce tion:A swimmin y � P g pool with a power safety cover or p RADiO AND TELEVISION TOWERS a spa with a safety cover complying with ASTM F 1346• � tc 3108.1 General. Subject to the provisions of Chapter l6 and 3109.4.1 Barrier height and clearances. The top of Che � o the requirements of Chapter 15 governing the fire-resistance barrier sl}all be at]east 48 inches (1219 mm) above grade � (� ratings of buildings for the suppart of roof structures,radio and measured on the side of the barrier that faces away from the ' 3 television towers shall be designed and constructed as herein swimming pool.The maximum vertical clearance between + d provided. grade aad the bottom of the barrier shall be 2 inches (51 � � ir 3108.2 Location and access. Towers shall be located and mm) measured on the side of the barrier that faces awa�' equipped with step bolts and ladders so as to provide ready from the swimming pooL Where the top of the pool s�d ' access for inspection purposes.Guy wires or other accessories �re is above grade,the barrier is authorized to be at groun shall not cross or encroach upon any street or other public leve]or mounted on top of the pool structure,and the maXi� space, or over above-ground electric utiliry lines, or encroach mum vertical clearance between the top of the pool structure upon any privately owned property without written consent of and the bottom of the bamer shall be 4 inches (102 mm�' �y: the owner of the encroached-upon property, space or 3109.4.1.1 Openings.Openings in the barrier shall n��t above-ground electric utility lines. allow passage of a 4-inch-diameter(102 mm) sphere• � 532 2006 INTERNATIONAL BUILDING C��E 2��6 IN'