1924 ORDINANCES - Laserfiche WebLink

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ass (h) Where smoke pipes pass through a wooden lath and plaster partition, they shall be guarded by galvanized iron vantilated thimbles as least twelve (12) inches larger in diamet,-r than the pipes, or by galvanized iron thimbles built in at least eight (8) inches of brick work or other incombustible material. No smoke pipe shall pass through any floor of a roof having wooden framework. Sec. 67. Hot air pipes and registers. (a) All heater pipes from hot air furnaces Where passing through combustible part' tion or floors, must be covered with standard asbestos covering. Horizontal hot air pipea leading from furnace shall be not less than six (6) inches from any woodwork, unless the woodwork be coveredwith loose fitting tin or metal plate, or the pipe be covered with at least 1/2 inch of asbestos, in which latter case the distance from the woodwork may be reduced to not less than three (3) inches. (b) No not air pipe shall be placed in a wooden stud partition or any wooden enclosure unless it be at least five (5) feet horizontal distance from the furnace. (c) Every hot air furnace shall have at least one register without valve or louvres (d) I register located over a brick furnaceshall be supported by a brick shaft built up from the cov r of the hot air chamber; said shaft shall be lined with a metal pipe, and no woodwork shall be Whin three (3) inches of the outer face ofthe siiaft. (e) A Register box placed in the floor.;over a pipeless furnace shall have an open space around it ofgnot less than four (4) $nches on all sides, and be supported by an incombustible border. (f) Hot air registers placed in any woodwork or combustible floors shall be surrounded with borders of incombustible material not less than two (2) inches wide, securely s t in place. (g) The registerboxe s shall be of metal, and be double; the distancebetween the the two shall be not leas than 1 inch, or they may be singlR if cogered with asbestos not less than 1/8 inch in thickness and if all woodwork within two (2) inches be covered with tin. (h) Cold air ducts for hot, air furnaces shall be made of incombustible material. Sec. 68. Steam and hot water pipes. Every steam or hot water pipe passing through combustible floors, or ceilinge, or wooden lath and plaster partitions, shall be protected by a metal tube one-half inch larger in diameter than the pipe, and be provided with a metal cap. All wooden boxes or 08,8t ings enclosing steam or hot water heating pipes, or wooden covers to recesses in walls in which steam or hot water h-ating pipes are placed shall be lined with metal. Sec. 69. Pry. Rooms. (a) No combustible material shall be permitted in th9 construction of any dry room hereafter erected, in which a temperature of 125 degrees Fahrenheit or over may exist, if a temperature under 125 degrees Fahrenheit is to be used, the dry room may be constructed 11 wood, but it hhall be lined throughout with 1/8 inch asbestos, covered with sheet metal, of (b) If windows are placed in walls or ceiling of dry rooms they shall be/wired glass set in fixed incombustible sash and frames. Sec. 70. 3tives and ranges. (a) No kitchen range or stove in any building shall be placed less than three (3) feet from any woodwork or wooden lath and plater partition, unless the woodwork or partition is properly protected by metal shields; in which case the distance shall be not less than twelve (12) inches. Metal shields hhall be loosely attached, thus preserving an air space behind them. i