R 408.43501
R 408.43501 Scope.
Cite as Mich. Admin. Code R 408.43501
Rule 3501. (1) This standard sets forth requirements for practices and procedures to
protect employees engaged in construction activities at a worksite with 1 or more
confined spaces, subject to the exceptions in subrule (2) of this rule. Examples of
locations where confined spaces may occur include, but are not limited to, those listed in
table 1:
TABLE 1
EXAMPLES OF LOCATIONS WHERE CONFINED SPACES MAY OCCUR
Bins
Boilers
Pits, such as elevator, escalator, pump, valve or other equipment
Manholes, such as sewer, storm drain, electrical, communication, or other utility
Tanks, such as fuel, chemical, water, or other liquid, solid or gas
Incinerators
Scrubbers
Concrete pier columns
Sewers
Transformer vaults
Heating, ventilation, and air-conditioning (HVAC) ducts
Storm drains
Water mains
Precast concrete and other pre-formed manhole units
Drilled shafts
Enclosed beams
Vessels
Digesters
Lift Stations
Cesspools
Silos
Air receivers
Sludge gates
Air preheaters
Step up transformers
Turbines
Chillers
Bag houses
Mixers, such as reactors
(2) This standard does not apply to any of the following:
(a) Construction work regulated by Construction Safety Standard Part 9
“Excavation, Trenching, and Shoring.”
(b) Construction work regulated by Construction Safety Standard Part 14 “Tunnels,
Shafts, Caissons, and Cofferdams.”
(c) Construction work regulated by Occupational Health Standard Part 504 “Diving
Operations.”
(d) Construction work regulated by Occupational Health Standard Part 665
“Underground Construction, Caissons, Cofferdams, and Compressed Air.”
(3) When this standard applies and there is a provision that addresses a confined
space hazard in another applicable standard, the employer shall comply with both that
requirement and the applicable provisions of this standard.
(4) The following provisions of the occupational safety and health administration
(OSHA) regulations, except as amended in these rules, are adopted by reference in these
rules:
(a) 1926.1202 “Definitions.”
(b) 1926.1203 “General requirements.”
(c) 1926.1204 “Permit-required confined space program.”
(d) 1926.1205 “Permitting process.”
(e) 1926.1206 “Entry permit.”
(f) 1926.1207 “Training.”
(g) 1926.1208 “Duties of authorized entrants.”
(h) 1926.1209 “Duties of attendants.”
(i) 1926.1210 “Duties of entry supervisors.”
(j) 1926.1211 “Rescue and emergency services.”
(k) 1926.1212 “Employee participation.”