CPACC Built Environment Accessibility 2

Question 1

What is the minimum clear width required for an accessible doorway under ADA Standards?

Accepted Answer

32 inches (81 cm)

Answer

ADA Standards require a minimum 32-inch clear width when the door is open 90 degrees.

Question 2

What is a tactile ground surface indicator (TGSI) and where is it commonly installed?

Accepted Answer

Textured ground surfaces that provide navigational and hazard warning cues to people with vision impairments through touch underfoot or with a cane

Answer

TGSIs are raised patterns on ground surfaces detectable by foot or cane, guiding visually impaired pedestrians.

Question 3

What does the concept of 'visitability' mean in residential housing design?

Accepted Answer

A design approach ensuring homes have at least one zero-step entrance, wide doorways, and an accessible bathroom on the main floor

Answer

Visitability advocates for basic accessibility features in all new homes: step-free entrance, 32-36 inch doorways on the main floor, and a usable bathroom on the main level.

Question 4

What is a hearing loop system in a built environment?

Accepted Answer

An electromagnetic induction system that transmits audio directly to hearing aids with telecoils, reducing background noise

Answer

A hearing loop transmits audio via electromagnetic field to compatible hearing aids and cochlear implants, providing clear audio without background noise.

Question 5

What is the maximum running slope permitted for an ADA-compliant ramp?

Accepted Answer

1:12 (8.33%)

Answer

ADA Standards specify a maximum running slope of 1:12 with landings at the top and bottom and every 30 feet of run.

CPACC - Certified Professional in Accessibility Core Competencies Practice Test

CPACC - Certified Professional in Accessibility Core Competencies Practice Test

CPACC Built Environment Accessibility 2