Arizona republican., 1916-02-17

woodwork or wood lath and plaster, nor nearer than twelve inches to any woodwork or wood lath and plaster
 protected with metal extending two
 feet on each side Of such stack Sect. A. Ventilation under floors. In all buildings having wooden floor joists for the first floor proper, ample ventilation shall be provided between
 the ground and the first floor joists Sect 25 Access to roofs. All roofs
 of less pitch than three inches in one foot shall be so constructed as to be reached from the inside by substantial
 stairs or ladder. or by substantial iron steps well fastened to the outside of the outer wall When roofs contain
 scuttles, the same shall be at least twenty-four by thirty-six inches in
 size. and the frames and lid thereof shall be covered with roofing material,
 and there shall be substantial station-
 ary ladders communicating with such
 scuttle.
 In all buildings and other structures i there shall be a scuttle not less than twenty-four by thirty six inches giv- ing access to the space between the ceiling and the roof
 Sect. 26.-Gutters and downspouts Every building and structure except
 residences within either of the fire limits shall be provided with metallic water conductors of sufficient ca pacity to drain and convey all surface
 drainage from the roof thereof to the
 street or alley gutter. Such water
 conductor shall be extended from the building below the surface of the
 sidewalk, except in alleys. and shall not extend beyond the curbline of the
 street Such extension of such con
 ductOrs shall be of permanent char
 acter and of material approved by the | City Inspector of Buildings.
 Sect. 27.-WindOw openings required in all rooms In all rooms of dwelling houses, hospitals. schools, apartment
 houses tenement houses and other
 buildings erected for the purpose of housing human beings, there shall be
 at least one window opening upon a
 street court. yard or porch, which shall be open to the outer air. Such window openings shall have an area i of at least ten per cent of the floor
 area of the room. and the sash thereof : shall be arranged to open at least one , half of the window area.
 Sect. 2S Cornces All cornices
 shall be of substantial construction
 and designed to carry live load of at
 least fifteen pounds per square foot,
 ard in no case shall any cornice eX- i ceed five feet in width.
 1 Sect. 29. Plaster Board. Whenever l in this Ordinance metal lath is re- quired to be used, there may be used 1 in lieu thereof pla ster board composed
 of pure gypsum, wood and manila , fibre or of other similar materials, and 1 not less than seVentyfiVe per cent 1 G5,O of the materials composing such plaster board shall be of n-inflam- 1 mabie material. Such plaster board , shall not be less than three -eights (3s )
 an inch in thickness and so con-
 Structed as to form a mechanical key or bond between the plaster board and the finish plaster Such mechan- | Hdl Key or DOHu Sldil De euudlly us i triouted and shall compose at least ! twenty per cent (20lO of the surface 1 of the plaster board.
 Any type of plaster board desired i to be used as in this section specified, , shall be first tested and demonstrated i to the satisfaction of the City Man 1 ager, the City Inspector of Buildings
 and the Fire Chief, or a majority i thereof by such tests as the afore-
 mentioned officials may demand. that
 such plaster board is at least the
 equal, under the same condition of , test of metal lath and plaster.
 l Whenever in this ordinance stamped
 metal is permitted to be used. there
 may be used in lieu thereof any typa
 of plaster board approved by the City
 Manager, the City Inspector of Build
 ings and the Fire Chief, or a ma
 jority thereof.