Arizona republican., 1916-02-17

to heighth of at least four feet above the floor. This covering shall extend the full length. breadth and i,eighth of the boiler. furnace. or heating appliance, and to at least five protection may be by metal shields, and in such case such metal shields shall be loosely attached thus pre- serving an air space behind them. In no case shall such combustible construction pe permitted within two feet of the sides, top or back of such heating appliance, or within five feet in front of same.
 No furnace, boiler, range or other heating appliance. shall be placed nearer than eighteen inches from any ceiling or wall furred with wood.
 Heating boilers shall be encased on sides and top by an incomhustihle protective covering not less than one and one-half inches thick. 4
 Sect. 22 Use of liquid fuel; Where any liquid fuel be. used under any furnace. such furnace shall be in masonry pit eight inches below the surrounding floor level and such pit shall be at least two inches larger on all sides than the furnace.
 Sect 23 Furnace pipes: All con cealed wall pipes, register boxes and fittings shall be completely covered with two thicknesses of eight pound asbestos paper securely cemented to the pipe, and no heated air under any condition shall be circulated through a wooden vent flUe or any wooden construction, but shall be carried in metal pipes or other fireproof con- struction. -e -r
 Sect. A. Protection, of steam pipes: Steam heating pipes shall not be placed within two inches of any tim Ter or woodwork unless protected by metal or asbestos. when the distance may be decreased to not less than one inch. Where such pipes pass through floor, ceiling or lath and plaster, or wooden partitions, the same shall be surrounded by metal tubes passing entirely through such floors. ceilings or partitions with a clear space of two inches on all sides of such steam pipes. and all such steam pipes shall be so sheathed when concealed.
 Pipes used for conveying live steam under high pressure shall in TO case be brought within eight inches of any woodwork unless pro- tected by a fireproof pipe covering at least one inch thick, when the distance may be decreased to not less than two inches
 Sect 25. Gas Installation: Every gas heater used or intended to be rsed for heating water, shall be con nected with a vent or combustion pipe leading to the outside of the building in which any such heater be installed, and shall be provided with a vent or combustion pipe of an in- ternal area equal to the internal area Of the vent pipe outlet on such heater, provided that where vents are not subjected to intense heat the same may be carried to a ventilated place underneath the roof Such vents shall rot terminate within thirty inches of any woodwork and shall be provided with a substantial spark aIrestor. For each additional heater vent pipe outlet connected 10 tNe main vent pipe the area of the matn vent pipe shall equal the combined areas of the heater vent pipe outlets
 connected to such main vent pipe.
 All vent pipes shall be of galvanized
 iron (except as herein otherwise pro-
 ,ded) and shall be provided with a
 
 posed places. Such sleeve shall ex tend the full length of the connected portion of such vent pipe. and shall be constructed in such manner that there shall be clear air space of not less than one half inch all around between such vent pipe and such sleeve The interior or surface of such sleeve, if within one inch os vent pipe, shall be covered with three thiclnesses of asbestos paper; or such vents may be constructed of brick and be of the same size and general construction as specified else where in this ordinance for smoke flues; provided however, that where the size of vents be not required to be more than three inches in internal diameter. then such vent piping may be constructed of good terra cotta pipe having ball joints securely con-
 nected together and otherwise in ac- cOrdance with the ordinance of the City of Phoenix.
 No gas heater used or Intended to he used for heating water shall be concealed in any compartment or closet, unless such closet or compart- ment be of fireproof or fire resist ing construction. Where fireproof cofi- Struction be used, masonry, concrete
 or other fireproof material of char acter satisfactory to the City h.
 spector of Buildings shall be used.
 Where fire resisting construction be
 used, all sides of the enclosure in
 cluding the inside surface of the door, the floor and the ceiling thereof
 shall be lined with at least three-ply asbestos paper. covered with gal vaniZed iron. In every such compart- ment or closet where such heater he
 installed, there shall be provided an
 air inlet independent of door or win dow, and such air inlet shall be To- Cated in or near the floor and the air outlet through the ceiling or con- tisuous thereto The minimum area of such air inlets and air outlets shall
 De thirty-six square inches.
 In every building or structure hereafter erected, suitable provision shall be made for the installation Of gas meters. The location of such meters shall be readily accessible from the exterior of the building. Meters may be located underneath first floor joists if there be a clear space of at least eighteen inches