CID Space Planning and Building Codes 3

Question 1

Under ADA, what is the minimum clear floor space required for a single wheelchair?

Accepted Answer

30 x 48 inches

Answer

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?

Accepted Answer

1:12

Answer

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?

Accepted Answer

60 inches

Answer

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?

Accepted Answer

48 inches

Answer

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?

Accepted Answer

18 inches beyond the latch

Answer

A front approach pull side requires 18 inches of clearance beyond the latch side of the door.

Certified Interior Designer (CID) Practice Test