Section 27-418
§ 27-418 Application. This section shall apply to the construction,
alteration, and use of buildings or spaces for the enclosure of boilers,
furnaces, and similar fuel-burning, heat-producing equipment.
Section 27-419
§ 27-419 Enclosure. Boilers or furnaces hereafter installed in any
building, other than replacement boilers and furnaces and boilers or
furnaces used to heat one- or two-family dwellings, shall be enclosed
and separated from the rest of the building by noncombustible
construction having at least a one hour fire-resistance rating, except
that:
(a) All boilers carrying more than fifteen psi pressure and having a
rating in excess of ten horsepower, shall be located in a room or
compartment separated from the rest of the building by noncombustible
construction having at least a two hour fire-resistance rating.
(b) Boilers or furnaces located adjacent to, or within, automotive
repair shops, public garages (group 1), or any occupancy classified in
high hazard occupancy group A shall be located in separate buildings or,
in rooms enclosed by noncombustible construction having at least a two
hour fire-resistance rating. Entrance to such enclosed rooms shall be
from the outdoors, or through an intervening vestibule constructed of
materials having a two hour fire-resistance. rating. The floor area of
such vestibules shall be at least fifty square feet, but not more than
seventy-five square feet. Ventilation shall be provided by a louver
permanently open to the outdoor air having a net free area of one
hundred forty-four square inches, located near the floor. Vestibule
doors shall be one and one-half hour self-closing fire doors, with a six
inch high sill provided at the door between the vestibule and the boiler
room. Both doors shall swing in the direction of the boiler room.
(c) Boilers having a rated gross capacity of less than sixty-seven
thousand btu per hour for generating steam shall not be required to be
enclosed, except as provided in subdivision (b) of this section.
(d) Electric or fuel-fired space heaters need not be enclosed when
they are approved for installation without enclosure and are installed
in accordance with the conditions of approval.
(e) Boilers and furnaces used in conjunction with commercial and
industrial processes need not be enclosed, subject to the approval of
the commissioner.
Section 27-420
§ 27-420 Location. Rooms containing boilers or furnaces, or other
equipment of similar or greater explosion hazard, shall not be located
within fifty feet of any place of assembly, unless separated from such
place of assembly by construction complying with the provisions of
section 27-401 of article two of this subchapter.
Section 27-421
§ 27-421 Clearances. Enclosing construction for boilers and furnaces
shall meet the minimum clearance requirements prescribed in subchapter
fourteen of this chapter.
Section 27-422
§ 27-422 Ash storage pits and bins. Ash storage pits and bins not
located within a boiler room enclosure shall be constructed of two hour
fire-resistive construction, except that roofs over ash pits may be
constructed of noncombustible materials.
Section 27-423
§ 27-423 Exit requirements. In every room containing a boiler,
furnace, or incinerator, the maximum travel distance from any point
within the room to an exit shall not exceed fifty feet. When two or more
exits are so required, only the main exit shall comply with the size and
construction requirements of subchapter six of this chapter. The other
exit or exits may be noncombustible ladders or stairs leading to exit
openings not less than thirty-two inches by forty-eight inches.
Section 27-424
§ 27-424 Ventilation. Boiler and furnace rooms shall be ventilated in
accordance with the provisions of section 27-807 of article nine of
subchapter fourteen of this chapter.
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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