ICC Accessibility Inspector Examination
Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
Question 1
Which federal law establishes accessibility requirements for public buildings and
facilities in the United States?
A. Fair Housing Act
B. Americans with Disabilities Act (ADA)
C. Rehabilitation Act of 1973
D. Occupational Safety and Health Act
Answer: B. Americans with Disabilities Act (ADA). The ADA sets standards for
accessibility in public accommodations, commercial facilities, and state and local
government services. The ADA Standards for Accessible Design provide the
framework for accessibility requirements that work in conjunction with the ICC
A117.1 Standard and IBC Chapter 11 .
Question 2
What is the minimum clear width required for a single wheelchair passage along
an accessible route?
A. 28 inches
B. 30 inches
C. 36 inches
D. 42 inches
,Answer: C. 36 inches. ICC A117.1 Section 403.5.1 requires a minimum clear width
of 36 inches for an accessible route. While doors may have a 32-inch minimum
clear width, the accessible route itself must maintain 36 inches of clear width for
a single wheelchair to pass .
Question 3
What size turning space is required for a wheelchair to make a 180-degree turn?
A. 48 inches by 48 inches
B. 60 inches by 60 inches
C. 64 inches by 64 inches
D. 72 inches by 72 inches
Answer: B. 60 inches by 60 inches. ICC A117.1 Section 304.3 requires a circular
turning space of 60 inches minimum diameter for a wheelchair to make a full
180-degree turn. A T-shaped turning space is also permitted as an alternative .
Question 4
What is the maximum running slope permitted for an accessible ramp?
A. 1:8
B. 1:10
C. 1:12
D. 1:14
Answer: C. 1:12. ICC A117.1 Section 405.2 limits the running slope of a ramp to a
maximum of 1:12 (8.33%). Any slope steeper than 1:12 is not considered
accessible and would require an elevator or platform lift as an alternative means
of vertical access .
Question 5
,What is the minimum clear width for an accessible doorway when the door is
open 90 degrees?
A. 28 inches
B. 30 inches
C. 32 inches
D. 36 inches
Answer: C. 32 inches. ICC A117.1 and ADA Standards require a minimum clear
width of 32 inches for accessible doorways. This measurement is taken when the
door is open at 90 degrees, measuring from the face of the door to the stop on
the strike side .
Question 6
According to IBC Chapter 11, which buildings are exempt from accessibility
requirements?
A. All commercial buildings
B. Detached one- and two-family dwellings and townhouses not more than three
stories
C. All multifamily buildings
D. Government buildings only
Answer: B. Detached one- and two-family dwellings and townhouses not more
than three stories. IBC Section 1103.2.4 exempts detached one- and two-family
dwellings and townhouses not more than three stories above grade from
accessibility requirements. This exemption does not apply to Type A or Type B
dwelling units required in certain multifamily buildings .
Question 7
What is the maximum height for operable parts such as light switches,
thermostats, and electrical outlets on an accessible route?
, A. 40 inches
B. 44 inches
C. 48 inches
D. 52 inches
Answer: C. 48 inches. ICC A117.1 Section 308 establishes reach ranges. For an
unobstructed forward or side reach, operable parts must be located between 15
inches minimum and 48 inches maximum above the finished floor .
Question 8
At what height must handrails be mounted on a ramp?
A. 28-32 inches
B. 30-34 inches
C. 34-38 inches
D. 38-42 inches
Answer: C. 34-38 inches. ICC A117.1 Section 505.4 requires handrails to be
mounted with the top of the gripping surface between 34 and 38 inches above
the ramp surface. This height range accommodates users of varying stature
while providing appropriate support .
Question 9
What is the minimum landing depth required at the top and bottom of an
accessible ramp?
A. 36 inches
B. 48 inches
C. 60 inches
D. 72 inches
Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
Question 1
Which federal law establishes accessibility requirements for public buildings and
facilities in the United States?
A. Fair Housing Act
B. Americans with Disabilities Act (ADA)
C. Rehabilitation Act of 1973
D. Occupational Safety and Health Act
Answer: B. Americans with Disabilities Act (ADA). The ADA sets standards for
accessibility in public accommodations, commercial facilities, and state and local
government services. The ADA Standards for Accessible Design provide the
framework for accessibility requirements that work in conjunction with the ICC
A117.1 Standard and IBC Chapter 11 .
Question 2
What is the minimum clear width required for a single wheelchair passage along
an accessible route?
A. 28 inches
B. 30 inches
C. 36 inches
D. 42 inches
,Answer: C. 36 inches. ICC A117.1 Section 403.5.1 requires a minimum clear width
of 36 inches for an accessible route. While doors may have a 32-inch minimum
clear width, the accessible route itself must maintain 36 inches of clear width for
a single wheelchair to pass .
Question 3
What size turning space is required for a wheelchair to make a 180-degree turn?
A. 48 inches by 48 inches
B. 60 inches by 60 inches
C. 64 inches by 64 inches
D. 72 inches by 72 inches
Answer: B. 60 inches by 60 inches. ICC A117.1 Section 304.3 requires a circular
turning space of 60 inches minimum diameter for a wheelchair to make a full
180-degree turn. A T-shaped turning space is also permitted as an alternative .
Question 4
What is the maximum running slope permitted for an accessible ramp?
A. 1:8
B. 1:10
C. 1:12
D. 1:14
Answer: C. 1:12. ICC A117.1 Section 405.2 limits the running slope of a ramp to a
maximum of 1:12 (8.33%). Any slope steeper than 1:12 is not considered
accessible and would require an elevator or platform lift as an alternative means
of vertical access .
Question 5
,What is the minimum clear width for an accessible doorway when the door is
open 90 degrees?
A. 28 inches
B. 30 inches
C. 32 inches
D. 36 inches
Answer: C. 32 inches. ICC A117.1 and ADA Standards require a minimum clear
width of 32 inches for accessible doorways. This measurement is taken when the
door is open at 90 degrees, measuring from the face of the door to the stop on
the strike side .
Question 6
According to IBC Chapter 11, which buildings are exempt from accessibility
requirements?
A. All commercial buildings
B. Detached one- and two-family dwellings and townhouses not more than three
stories
C. All multifamily buildings
D. Government buildings only
Answer: B. Detached one- and two-family dwellings and townhouses not more
than three stories. IBC Section 1103.2.4 exempts detached one- and two-family
dwellings and townhouses not more than three stories above grade from
accessibility requirements. This exemption does not apply to Type A or Type B
dwelling units required in certain multifamily buildings .
Question 7
What is the maximum height for operable parts such as light switches,
thermostats, and electrical outlets on an accessible route?
, A. 40 inches
B. 44 inches
C. 48 inches
D. 52 inches
Answer: C. 48 inches. ICC A117.1 Section 308 establishes reach ranges. For an
unobstructed forward or side reach, operable parts must be located between 15
inches minimum and 48 inches maximum above the finished floor .
Question 8
At what height must handrails be mounted on a ramp?
A. 28-32 inches
B. 30-34 inches
C. 34-38 inches
D. 38-42 inches
Answer: C. 34-38 inches. ICC A117.1 Section 505.4 requires handrails to be
mounted with the top of the gripping surface between 34 and 38 inches above
the ramp surface. This height range accommodates users of varying stature
while providing appropriate support .
Question 9
What is the minimum landing depth required at the top and bottom of an
accessible ramp?
A. 36 inches
B. 48 inches
C. 60 inches
D. 72 inches
