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:
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TABLE 1
EXAMPLES OF LOCATIONS WHERE CONFINED SPACES MAY
OCCUR
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Bins
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Boilers
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Pits, such as elevator, escalator, pump, valve
or other equipment
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Manholes, such as sewer, storm drain,
electrical, communication, or other utility
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Tanks, such as fuel, chemical, water, or other
liquid, solid or gas
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Incinerators
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Scrubbers
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Concrete pier columns
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Sewers
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Transformer vaults
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Heating, ventilation, and air-conditioning
(HVAC) ducts
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Storm drains
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Water mains
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Precast concrete and other pre-formed manhole
units
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Drilled shafts
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Enclosed beams
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Vessels
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Digesters
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Lift Stations
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Cesspools
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Silos
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Air receivers
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Sludge gates
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Air preheaters
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Step up transformers
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Turbines
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Chillers
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Bag houses
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Mixers, such as reactors
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(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."
