CMC Home Accessibility Modification 3

Question 1

When specifying a vertical platform lift (VPL) for indoor use, what is the maximum allowable rise in most US residential building codes without triggering elevator code requirements?

Accepted Answer

60 inches

Answer

Most residential codes allow VPLs to travel up to 60 inches of rise before full elevator code requirements apply.

Question 2

A client reports difficulty operating a round doorknob due to reduced hand strength. What is the most appropriate hardware replacement?

Accepted Answer

A lever-style door handle operable with a closed fist

Answer

Lever handles comply with ADA operable parts requirements because they can be operated with a closed fist, requiring no grasping or twisting.

Question 3

What does the term 'turning radius' refer to in the context of wheelchair accessibility planning?

Accepted Answer

The circular floor area a wheelchair needs to turn 180° or 360°

Answer

Turning radius describes the floor space required for a wheelchair to complete a turn; a 60-inch diameter circle accommodates a full 360° turn.

Question 4

Which type of stairlift track configuration is required when a staircase makes a 90-degree turn between floors?

Accepted Answer

A curved rail stairlift custom-bent to follow the stairs

Answer

Curved rail stairlifts are custom-fabricated to follow the exact geometry of non-straight staircases, including 90-degree turns.

Question 5

What is the recommended mounting height range for light switches and electrical outlets in an accessible home to serve both standing and seated users?

Accepted Answer

Switches at 42–48 inches, outlets at 18–48 inches

Answer

Placing switches between 42–48 inches and outlets between 18–48 inches creates an overlapping zone reachable from both standing and seated positions.

(CMC) Certified Mobility Consultant Practice Test

(CMC) Certified Mobility Consultant Practice Test

CMC Home Accessibility Modification 3