PERSONNEL HOISTS
§ 7.371. Hoist towers.
(a) Hoist towers outside the structure shall be enclosed for the full height on the side or sides used for entrance and exit to the structure. At the lowest landing, the enclosure on the sides not used for exit or entrance to the structure shall be enclosed to a height of at least 10 feet. Other sides of the tower adjacent to floors or scaffold platforms shall be enclosed to a height of 10 feet above the level of such floors or scaffolds.
(b) For towers located outside a building, the enclosures, except those at the lowest landing, may be omitted on the sides where there is no floor or scaffold adjacent to the hoistway. Enclosures on the entrance and exit side of the hoistway shall be full height. Other enclosures, where required, shall be not less than 10 feet high.
(c) Towers inside of structures shall be enclosed on all four sides throughout the full height.
(d) Towers shall be anchored to the structure at intervals not exceeding 25 feet. In addition to tie-ins, a series of guys shall be installed. Where tie-ins are not practical the tower shall be anchored by means of guys made of wire rope at least 1/2 inch in diameter, securely fastened to anchorages to ensure stability.
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