CBD Accessibility & Universal Design Flashcards

What is the recommended knee clearance height under a wall-hung vanity to allow forward wheelchair approach per ADA standards?

Answer: 27 inches high, 19 inches deep

ADA requires a minimum knee clearance of 27 inches high and 19 inches deep under accessible lavatory counters for wheelchair users.

For an aging-in-place bathroom, which shower seat type is most recommended for its flexibility and space efficiency when not in use?

Answer: Fold-down wall-mounted shower seat

A fold-down wall-mounted seat provides a sturdy, ADA-compliant seating option that folds flat against the wall when not needed, preserving floor space.

Which flooring characteristic is most critical when selecting bathroom tile for an accessible or aging-in-place design?

Answer: A minimum COF (coefficient of friction) of 0.60 wet for slip resistance

A wet COF of at least 0.60 is recommended by the Americans with Disabilities Act Accessibility Guidelines (ADAAG) to reduce slip-and-fall risk.

In an accessible bathroom, what is the maximum height for a wall-hung lavatory basin (measured to the rim) per ADA standards?

Answer: 34 inches

ADA requires the lavatory rim to be mounted no higher than 34 inches above the finished floor to be reachable from a seated position.

What is the purpose of blocking (backing) installed in bathroom walls during construction or renovation?

Answer: To provide solid anchor points for future or current installation of grab bars and accessories

Wall blocking provides a solid wood or metal substrate behind the finish wall surface so grab bars can be securely fastened at any location.

Which type of door is most recommended in a Universal Design bathroom to maximize clear opening width and ease of use?

Answer: Pocket door or barn door (sliding door)

Pocket and barn doors slide parallel to the wall, providing the full door-width as clear opening without requiring swing clearance, ideal for tight or accessible spaces.