Code of Massachusetts Regulations › 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS › Chapter 10 - Means of Egress › Section 1024 - LUMINOUS EGRESS PATH MARKINGS › Subsection 1024.2 - Markings within exit enclosures

Current through Register 1525, July 5, 2024
Egress path markings shall be provided in
exit
				  enclosures
, including vertical
exit enclosures
and
exit passageways
, in accordance with Sections 1024.2.1 through
				  1024.2.6.
1024.2.1
Steps.
A solid and continuous stripe shall be applied to the horizontal
				leading edge of each step and shall extend for the full length of the step.
				Outlining stripes shall have a minimum horizontal width of 1 inch (25 mm) and a
				maximum width of 2 inches (51 mm). The leading edge of the stripe shall be
				placed at a maximum of 1/2
				inch (12.7 mm) from the leading edge of the step and the stripe shall overlap
				the leading edge of the step by not more than
				1/2 inch (12.7 mm) down the
				vertical face of the step.
Exception:
The minimum width of 1 inch (25 mm)
				  shall not apply to outlining stripes
listed
in accordance with
				  UL 1994.
1024.2.2
Landings.
The leading edge of landings shall be marked with a stripe
				consistent with the dimensional requirements for steps.
1024.2.3
Handrails.
All
handrails
and
handrail
extensions shall be
				marked with a solid and continuous stripe having a minimum width of 1 inch (25
				mm). The stripe shall be placed on the top surface of the
handrail
for the entire length of the
handrail
, including
				extensions and newel post caps. Where
handrails
or
handrail
extensions bend or turn corners, the stripe shall not
				have a gap of more than 4 inches (102 mm).
Exception:
The minimum width of 1 inch (25 mm)
				  shall not apply to outlining stripes
listed
in accordance with
				  UL 1994.
1024.2.4
Perimeter demarcation lines.
Stair
landings and other
				floor areas within
exit enclosures
, with the exception of the
				sides of steps, shall be provided with solid and continuous demarcation lines
				on the floor or on the walls or a combination of both. The stripes shall be 1
				to 2 inches (25 to 51 mm) wide with interruptions not exceeding 4 inches (102
				mm).
Exception:
The minimum width of 1 inch (25 mm)
				  shall not apply to outlining stripes
listed
in accordance with
				  UL 1994.
1024.2.4.1
Floor-mounted demarcation lines.
Perimeter demarcation lines shall be
				placed within 4 inches (102 mm) of the wall and shall extend to within 2 inches
				(51 mm) of the markings on the leading edge of landings. The demarcation lines
				shall continue across the floor in front of all doors.
Exception:
Demarcation lines shall not extend in
				  front of
exit
doors that lead out of an
exit
enclosure
and through which occupants must travel to complete
				  the exit path.
1024.2.4.2
Wall-mounted demarcation lines.
Perimeter demarcation lines shall
				be placed on the wall with the bottom edge of the stripe no more than 4 inches
				(102 mm) above the finished floor. At the top or bottom of the
stairs
, demarcation lines shall drop vertically to the floor
				within 2 inches (51 mm) of the step or landing edge. Demarcation lines on walls
				shall transition vertically to the floor and then extend across the floor where
				a line on the floor is the only practical method of outlining the path. Where
				the wall line is broken by a door, demarcation lines on walls shall continue
				across the face of the door or transition to the floor and extend across the
				floor in front of such door.
Exception:
Demarcation lines shall not extend in
				  front of
exit
doors that lead out of an
exit
enclosure
and through which occupants must travel to complete
				  the exit path.
1024.2.4.3
Transition.
Where a wall-mounted demarcation line transitions to a
				floor-mounted demarcation line, or vice versa, the wall-mounted demarcation
				line shall drop vertically to the floor to meet a complementary extension of
				the floor-mounted demarcation line, thus forming a continuous
				marking.