Mich. Admin. Code R. 400.4652 - Heating devices and flame-producing devices
Rule 652.
(1)
Flame-producing-type heating devices and incinerator devices on any story used
by residents shall be in an enclosure that provides at least 1-hour resistance
to fire. Any interior door to the enclosure shall be of at least a B-labeled
fire door in a labeled frame equipped with latching hardware and a self-closing
device. Adequate combustion air shall be provided to the enclosure directly
from the outside through a permanently opened louver or continuous ducts. Fire
dampers are not required in ducts penetrating this enclosure.
(2) Where flame-producing-type heating
devices or incinerator devices are located on a story not used by residents,
there shall be a separation between the story or stories containing such
devices and resident-used stories such that at least a 3/4-hour resistance to
fire is provided. Any interior stairway to such a nonresident-used story shall
have at least a 1- inch solid wood core door which is equipped with latching
hardware and a self-closing device separating the non-resident-used story from
resident-used stories.
(3) Electric
heating shall be installed in accordance with the manufacturer's specifications
and shall be of a type approved by a nationally recognized, independent testing
laboratory.
(4) Portable heaters
and space heaters, including solid fuel heaters, are prohibited.
(5) A fireplace is permitted if it is masonry
and has all of the following components:
(a)
An approved glass door shielding the opening. The door shall be closed at all
times except when a fire is being tended.
(b) A noncombustible hearth extending a
minimum of 16 inches out from the front and 8 inches beyond each side of the
fireplace opening.
(c) A
noncombustible face extending not less than 12 inches above and 8 inches on
each side of the fireplace opening.
(d) A masonry chimney constructed with
approved flue liners.
(e) The
chimney shall be visually inspected every other month while in use and cleaned
as needed, but at least once every 12 months.
(6) A heating plant room shall not be used
for combustible storage or for a maintenance shop unless the room is provided
with automatic sprinkler protection.
(7) A furnace and other flame-producing unit
shall be installed according to manufacturer and test specifications and shall
be vented by metal ducts to a chimney which is constructed of bricks, solid
block masonry, or reinforced concrete which has an approved flue lining and is
properly erected and maintained in safe condition. A bracket chimney is not
permitted. This rule does not prohibit the installation and use of any
prefabricated chimney bearing the label of an approved, nationally recognized,
independent testing laboratory if it is installed in accordance with
manufacturer and test specifications and is compatible with the heating unit or
units connected to it. Only gas and oil-fired units may be connected to a
prefabricated chimney.
(8) All
furnaces shall be inspected on an annual basis by a licensed inspector. A copy
of the inspection must be made available to the qualified fire inspector or the
department's licensing authority upon request.
Notes
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