NCIDQ IDFX - Life Safety and Universal Design Exam
(100 out of 100) GRADED A
What two things must a designer know about a space before the necessary number of exits can be
determined?
Floor area and the occupancy group
In accessibility regulations, what type of provision might require that a certain percentage of seating in
an area be accessible?
Scoping provision
What is the generic name for fire-rated gypsum wallboard?
Type X
What is intumescent material?
When exposed to heat, expands rapidly and insulates or fills spaces to prevent the passage of fire and
smoke.
What type of gypsum wallboard must be used for fire-rated partitions?
Type X
What is the minimum diameter of a circle in which a wheelchair can turn?
60 in or 5 feet
, When a door is approached perpendicularly to its opening, what is the minimum maneuvering clearance
for wheelchair access at the strike side of the door opening on the pull side of the door?
18 in (455 mm)
How high above the floor must a grab bar be mounted?
between 33 in and 36 in above the floor
What is the maximum allowable slope for an accessible ramp?
1 vertical unit for every 12 horizontal units, or 8.33%
In addition to a specific diameter and mounting height, what other handrail feature is required on an
accessible stairway?
The handrail must extend beyond the upper and lower risers
Where are detectable warnings required?
On walking surfaces in front of hazardous vehicular areas.
What is the minimum clear floor space required to accommodate one stationary wheelchair?
30 in x 48 in
What is the minimum clearance of a doorway for a wheelchair?
(100 out of 100) GRADED A
What two things must a designer know about a space before the necessary number of exits can be
determined?
Floor area and the occupancy group
In accessibility regulations, what type of provision might require that a certain percentage of seating in
an area be accessible?
Scoping provision
What is the generic name for fire-rated gypsum wallboard?
Type X
What is intumescent material?
When exposed to heat, expands rapidly and insulates or fills spaces to prevent the passage of fire and
smoke.
What type of gypsum wallboard must be used for fire-rated partitions?
Type X
What is the minimum diameter of a circle in which a wheelchair can turn?
60 in or 5 feet
, When a door is approached perpendicularly to its opening, what is the minimum maneuvering clearance
for wheelchair access at the strike side of the door opening on the pull side of the door?
18 in (455 mm)
How high above the floor must a grab bar be mounted?
between 33 in and 36 in above the floor
What is the maximum allowable slope for an accessible ramp?
1 vertical unit for every 12 horizontal units, or 8.33%
In addition to a specific diameter and mounting height, what other handrail feature is required on an
accessible stairway?
The handrail must extend beyond the upper and lower risers
Where are detectable warnings required?
On walking surfaces in front of hazardous vehicular areas.
What is the minimum clear floor space required to accommodate one stationary wheelchair?
30 in x 48 in
What is the minimum clearance of a doorway for a wheelchair?
