Section 27-817
§ 27-817 Location. Floor furnaces shall be located so as to be
accessible and shall not be installed in the floor of any corridor or
passageway, nor in any exit in a place of assembly.
Section 27-818
§ 27-818 Enclosures. Enclosures of floor furnaces shall be constructed
entirely of noncombustible materials with a fire resistance rating of at
least one hour and the enclosure shall be provided with adequate outdoor
air in accordance with the requirements of article nine of this
subchapter to ensure proper combustion. The enclosure shall be provided
with adequate means of access for servicing the furnace.
Section 27-819
§ 27-819 Furnace supports. Floor furnaces shall be installed only in
floors of noncombustible construction having at least a two hour fire
resistance rating, except as provided for one- and two-family dwellings
in section 27-823 of this article. Floor furnaces shall have the
following clearances:
(a) Pit clearances. Floor furnaces, when other than gas-fired, shall
be mounted independently of the floor grille with a six inch clearance
at the bottom and a twelve inch clearance at the sides except that the
clearance on the control side shall be at least eighteen inches.
(b) Pit waterproofing. When there is likelihood of water rising above
the bottom clearance of the unit, the pit shall be constructed with a
watertight enclosure with the sides extending at least four inches above
the ground level.
Section 27-820
§ 27-820 Pit access openings. The access foundation wall opening or
floor trap door shall be at least eighteen inches by twenty-four inches
and the under floor passage to the furnace shall be at least twenty-four
inches by twenty-four inches in cross-section.
Section 27-821
§ 27-821 Duct temperature. The outlet duct temperature of warm air
heating furnaces shall not be greater than two hundred fifty degrees
Fahrenheit.
Section 27-822
§ 27-822 Pressure regulator. In gas-fired furnaces, a gas pressure
regulator shall be provided so that the gas input does not exceed the
manufacturer's rating. Pressure regulators shall comply with the
requirements of article five of this subchapter.
Section 27-823
§ 27-823 One- and two-family dwellings. Floor furnace enclosures shall
be constructed of noncombustible materials with a fire resistance rating
of at least one hour. Means shall be provided for supporting the furnace
when the floor grille is removed. Clearances shall be as provided in
reference standards RS 14-15 and 14-16.
To the extent possible under law, Friends of Devin Balkind for Public Advocate has waived all copyright and related or neighboring rights to New York City Administrative Code. This work is published from: United States.
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