Code of Maryland Regulations
Title 09 - MARYLAND DEPARTMENT OF LABOR
Subtitle 12 - DIVISION OF LABOR AND INDUSTRY
Chapter 09.12.01 - Board of Boiler Rules
Section 09.12.01.02 - Access and Egress
Universal Citation: MD Code Reg 09.12.01.02
Current through Register Vol. 51, No. 19, September 20, 2024
A. Clearance.
(1) Except for a water heater or a modular
boiler system, a new or replacement boiler installed in a new or existing
building shall be installed consistent with:
(a) Or exceeding, the manufacturer's
recommendations for clearance; and
(b) The space requirements of §A(6) of
this regulation.
(2) In
the event manufacturer recommendations for clearance are not provided, a new or
replacement boiler installed in a new or existing building, shall:
(a) Have at least 3 feet between:
(i) The top of the boiler and the ceiling,
and
(ii) Each side of the boiler
and the adjacent wall or other structure; and
(b) Comply with the conditions of §A(6)
of this regulation.
(3)
The distance between or around a new or replacement boiler in a modular boiler
system installed in a new or existing building shall be in accordance with the
manufacturer's recommendations while ensuring:
(a) There are 3 feet between each side of the
perimeter of the boiler system and the adjacent wall or structure;
and
(b) The conditions in
§A(6) of this regulation are met.
(4) The distance between or around a water
heater installed in a new or existing building shall be in accordance with the
manufacturer's recommendations while ensuring the conditions of §A(6) of
this regulation are met.
(5) A
boiler or pressure vessel having a manhole shall have 5 feet clearance from the
manhole opening to any wall, ceiling, or piping that prevents entrance through
the manhole.
(6) A boiler or
pressure vessel shall be located to provide adequate space for:
(a) Proper operation of the boiler or
pressure vessel and its appurtenances;
(b) Inspection of all surfaces, tubes,
water-walls, economizers, piping, valves, and other equipment; and
(c) Required maintenance and the repair and
replacement of tubes.
B. Ladders and Runways.
(1) When necessary to afford safe access, a
steel runway or platform of standard construction shall be installed across the
tops of adjacent boilers or pressure vessels, or at another convenient
level.
(2) When a valve or
appurtenance requiring frequent manipulation cannot be reached or operated from
the floor, a platform or other safe means of operation shall be
provided.
(3) A platform or runway
shall:
(a) Be at least 24 inches
wide;
(b) Have standard handrails
and toe boards; and
(c) Provide at
least 7 feet, 6 inches overhead clearance.
(4) A runway shall:
(a) Have at least two means of exit, located
remotely from each other; and
(b)
Be connected to floor level by:
(i) A
permanent stairway, or
(ii) An
inclined ladder.
C. Each elevation in a boiler room shall have at least two exits, located remotely from each other, if the room:
(1) Exceeds 500 square feet floor area;
and
(2) Contains one or more
boilers having a fuel-burning capacity of 1,000,000 Btu per hour, or equivalent
electrical heat input.
Disclaimer: These regulations may not be the most recent version. Maryland may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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