IDFX Building Codes & ADA Accessibility Requirements

Question 1

According to ADA guidelines, what is the minimum clear width required for an accessible doorway?

Accepted Answer

32 inches

Answer

36 inches

Answer

28 inches

Answer

42 inches

Question 2

What is the maximum height for an operable part of a forward-reach control (such as a light switch) under ADA standards?

Accepted Answer

48 inches above the floor

Answer

54 inches above the floor

Answer

60 inches above the floor

Answer

44 inches above the floor

Question 3

What is the minimum required turning radius for a wheelchair in an accessible space?

Accepted Answer

60-inch diameter circle

Answer

48-inch diameter circle

Answer

72-inch diameter circle

Answer

36-inch diameter circle

Question 4

What does the International Building Code (IBC) classify as a 'means of egress'?

Accepted Answer

A continuous and unobstructed path of travel from any occupied point to a public way

Answer

Any window that can be opened for ventilation

Answer

The main entrance of a building

Answer

A fire-rated wall separating two rooms

Question 5

In interior design, what does a Class A fire rating for interior wall finish materials indicate?

Accepted Answer

The material has the highest level of flame spread resistance with a flame spread index of 0-25

Answer

The material is completely fireproof and cannot burn

Answer

The material is approved only for residential use

Answer

The material has been treated with fire retardant chemicals

Question 6

What is the maximum ramp slope permitted by ADA for an accessible route?

Accepted Answer

1:12 (one inch of rise for every 12 inches of run)

Answer

1:8 (one inch of rise for every 8 inches of run)

Answer

1:20 (one inch of rise for every 20 inches of run)

Answer

1:6 (one inch of rise for every 6 inches of run)