Mich. Admin. Code R. 400.4563 - Laundries
Rule 563.
(1) In a
newly constructed, remodeled, or converted large or secure facility with a
laundry, the laundry shall comply with all of the following requirements:
(a) Be located in a room constructed of
materials that have a 1-hour fire resistance rating.
(b) Have steam lines installed with a 1-inch
clearance from combustibles.
(c)
Have dryer vents constructed of rigid metal vented directly to the exterior or
through the roof. Lint traps shall be cleaned each time the dryer is
used.
(d) Have 100% automatic and
manual shutoff controls for gas appliances other than domestic laundry
equipment, which need only have manual shutoff controls.
(e) Have adequate outside air for combustion
where combustion-type equipment is used.
(2) In a newly constructed, remodeled, or
converted facility, laundry chutes shall be in compliance with all of the
following requirements:
(a) Be enclosed in
shafts constructed of an assemblage of noncombustible materials having at least
a 1-hour resistance to fire. If the shaft does not extend through the roof of
the building, the top shall be covered with noncombustible material affording
at least a 1-hour resistance to fire. There shall be no openings into the shaft
other than those necessary to the intended use of the laundry chute. Feed doors
shall be located in an enclosed room that is provided with automatic sprinkler
protection or compartment separated from other parts of the building by walls,
a floor, and a ceiling having a fire-resistance rating of not less than 1 hour
with openings to such rooms or compartments protected by B-labeled fire doors
and in labeled frames with self-closing, positive latching hardware.
(b) Have a sprinkler head installed at the
top of the chutes and within the laundry chutes at alternate floor levels in
buildings over 2 stores in heights.
(c) Empty into a separate room, closet, or
bin constructed of materials having at least a 1-hour resistance to fire and
protected by automatic sprinklers.
(d) Have an open vent at the top where the
shaft extends through the roof of the building, a skylight which is glazed with
ordinary glass and which is not less than 10% of the shaft area, or a window of
ordinary glass which is not less than 10% of the shaft area and which is set
into the side of the shaft with the sill of the window not less than 2 feet
above the roof level and 10 feet from any property line or other exposure it
faces.
(3) In an
existing facility, laundry facilities and laundry chutes approved before these
rules take effect shall continue to be approved until the facility is converted
or the portion of the facility which includes the laundry facility or chute is
remodeled.
Notes
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