CLSS-HC EXAM (2026-2027) PRACTICE
QUESTIONS AND ANSWERS GRADED A+
What direction must doors swing when occupant load exceeds 50 people?
In the direction of egress travel
What is the minimum clear door width for existing buildings?
32 inches clear
What is the minimum door height allowed?
6 ft 8 inches
What is the minimum stair width for existing buildings?
36 inches
What is the minimum stair width for new buildings?
44 inches
,How wide must stairs be when serving 2000 or more occupants?
56 inches to allow two-direction flow
What is the maximum stair riser height for new stairs?
7 inches
What is the maximum stair riser height for existing stairs?
8 inches
What is the minimum tread depth for new stairs?
11 inches
What is the minimum tread depth for existing stairs?
9 inches
At what drop height are guards required?
30 inches
What is the required guardrail height?
,42 inches
What is the acceptable handrail height range for new construction?
34 to 38 inches
What is the acceptable handrail height range for existing buildings?
30 to 38 inches
What are the three parts of a means of egress system?
Exit Access, Exit, Exit Discharge
What does exit access include?
Everything that leads to an exit such as corridors, aisles, and rooms
What does the exit portion of a means of egress include?
Exit stairs, exit ramps, exit passageways, horizontal exits, and exterior exit doors
What does exit discharge lead to?
A public way
, What qualifies as a public way?
A street, alley, or sidewalk with at least 10 ft clear height and width permanently
unobstructed
What is the required clearance between handrail and wall?
1.5 inches minimum
What is the maximum projection of handrails into the egress width?
4.5 inches
What is the minimum headroom clearance in means of egress?
7 ft 6 inches
What is the minimum fire rating for hazardous area doors?
45 minutes
What is the typical fire rating for corridor doors?
20 minutes
QUESTIONS AND ANSWERS GRADED A+
What direction must doors swing when occupant load exceeds 50 people?
In the direction of egress travel
What is the minimum clear door width for existing buildings?
32 inches clear
What is the minimum door height allowed?
6 ft 8 inches
What is the minimum stair width for existing buildings?
36 inches
What is the minimum stair width for new buildings?
44 inches
,How wide must stairs be when serving 2000 or more occupants?
56 inches to allow two-direction flow
What is the maximum stair riser height for new stairs?
7 inches
What is the maximum stair riser height for existing stairs?
8 inches
What is the minimum tread depth for new stairs?
11 inches
What is the minimum tread depth for existing stairs?
9 inches
At what drop height are guards required?
30 inches
What is the required guardrail height?
,42 inches
What is the acceptable handrail height range for new construction?
34 to 38 inches
What is the acceptable handrail height range for existing buildings?
30 to 38 inches
What are the three parts of a means of egress system?
Exit Access, Exit, Exit Discharge
What does exit access include?
Everything that leads to an exit such as corridors, aisles, and rooms
What does the exit portion of a means of egress include?
Exit stairs, exit ramps, exit passageways, horizontal exits, and exterior exit doors
What does exit discharge lead to?
A public way
, What qualifies as a public way?
A street, alley, or sidewalk with at least 10 ft clear height and width permanently
unobstructed
What is the required clearance between handrail and wall?
1.5 inches minimum
What is the maximum projection of handrails into the egress width?
4.5 inches
What is the minimum headroom clearance in means of egress?
7 ft 6 inches
What is the minimum fire rating for hazardous area doors?
45 minutes
What is the typical fire rating for corridor doors?
20 minutes
