CID Space Planning and Building Codes 3 — Questions and Answers
Question 1: Under ADA, what is the minimum clear floor space required for a single wheelchair?
- 24 x 24 inches
- 30 x 48 inches (Correct answer)
- 36 x 36 inches
- 48 x 60 inches
Correct answer: 30 x 48 inches
ADA requires a minimum clear floor space of 30 by 48 inches for a stationary wheelchair.
Question 2: What is the maximum allowable running slope for an ADA-compliant ramp?
- 1:8
- 1:10
- 1:12 (Correct answer)
- 1:20
Correct answer: 1:12
ADA ramps may not exceed a running slope of 1:12.
Question 3: The minimum turning space for a wheelchair to make a 180-degree turn is a circle of what diameter?
- 48 inches
- 54 inches
- 60 inches (Correct answer)
- 72 inches
Correct answer: 60 inches
A 60-inch diameter circle provides the standard wheelchair turning space.
Question 4: What is the maximum height for an ADA-compliant light switch or operable control above the finished floor?
- 36 inches
- 42 inches
- 48 inches (Correct answer)
- 54 inches
Correct answer: 48 inches
Operable controls must be no higher than 48 inches for a forward or side reach.
Question 5: Which door maneuvering clearance is most critical for accessibility at a latch-side, front approach pull?
- 12 inches beyond the latch
- 18 inches beyond the latch (Correct answer)
- 24 inches beyond the latch
- 6 inches beyond the latch
Correct answer: 18 inches beyond the latch
A front approach pull side requires 18 inches of clearance beyond the latch side of the door.
Question 6: What is the minimum clear width of an accessible route per ADA?
- 30 inches
- 32 inches
- 36 inches (Correct answer)
- 42 inches
Correct answer: 36 inches
An accessible route must maintain a minimum clear width of 36 inches.
Question 7: For an accessible restroom, what is the minimum clearance required in front of a water closet for a side transfer?
- 36 inches
- 48 inches (Correct answer)
- 56 inches
- 60 inches
Correct answer: 48 inches
A minimum 48-inch clearance is required in front of and around a water closet for approach.
CID Space Planning and Building Codes 3
Under ADA, what is the minimum clear floor space required for a single wheelchair?