CET Accessibility & ADA Compliance 2 — Questions and Answers
Question 1: According to ADA Standards for Accessible Design, what is the minimum clear floor area required inside an elevator cab for a standard side-entry configuration?
- 48 inches wide × 51 inches deep (Correct answer)
- 54 inches wide × 80 inches deep
- 36 inches wide × 48 inches deep
- 60 inches wide × 60 inches deep
Correct answer: 48 inches wide × 51 inches deep
ADA requires a minimum clear floor area of 48 inches wide by 51 inches deep for standard elevator cabs with a centered door.
Question 2: What is the maximum allowable gap between the elevator car floor and the hoistway landing sill under ADA accessibility requirements?
- 1.25 inches (Correct answer)
- 0.75 inches
- 0.5 inches
- 1.5 inches
Correct answer: 1.25 inches
ADA and ASME A17.1 limit the horizontal gap between the car floor and landing sill to a maximum of 1.25 inches to prevent wheelchair casters from catching.
Question 3: Under ADA, elevator hall call buttons must be located at what maximum height above the finished floor?
- 54 inches for side reach and 48 inches for forward reach (Correct answer)
- 48 inches for all configurations
- 60 inches maximum regardless of approach
- 42 inches for side reach and 54 inches for forward reach
Correct answer: 54 inches for side reach and 48 inches for forward reach
ADA specifies a maximum height of 54 inches for side reach and 48 inches for forward reach for elevator hall call buttons.
Question 4: Which ASME A17.1 rule governs the power door reopening device requirements to comply with accessibility standards for elevator entrances?
- Rule 2.13.5 — door reopening devices must reopen upon detecting an obstruction in the door zone (Correct answer)
- Rule 2.1.3 — doors must reopen if a load exceeds 30 lbs
- Rule 2.14.2 — doors must remain open for a minimum of 3 seconds
- Rule 2.12.1 — door speeds cannot exceed 1.5 ft/s
Correct answer: Rule 2.13.5 — door reopening devices must reopen upon detecting an obstruction in the door zone
ASME A17.1 Rule 2.13.5 requires a power-operated door reopening device that detects objects or persons in the door opening and causes the doors to reopen.
Question 5: What is the minimum door clear opening width required by ADA for elevator cab entrances?
- 36 inches (Correct answer)
- 32 inches
- 34 inches
- 42 inches
Correct answer: 36 inches
ADA requires a minimum clear opening width of 36 inches for elevator doors to allow wheelchair passage.
Question 6: ADA requires that elevator car controls have characters and Braille designations. Where must Braille be located relative to the raised characters on control buttons?
- Immediately below the raised characters (Correct answer)
- Immediately above the raised characters
- To the left of the raised characters
- To the right of the raised characters
Correct answer: Immediately below the raised characters
ADA Section 407.4.7.2 requires Braille to be placed immediately below the corresponding raised characters on elevator car controls.
Question 7: Under ADA accessibility standards, what is the maximum slope allowed at an elevator landing approach area?
- 1:48 (2.08%) (Correct answer)
- 1:12 (8.33%)
- 1:20 (5%)
- 1:50 (2%)
Correct answer: 1:48 (2.08%)
ADA limits the slope of elevator landing approach areas to 1:48 (2.08%) in any direction to ensure stable wheelchair positioning.
CET Accessibility & ADA Compliance 2
According to ADA Standards for Accessible Design, what is the minimum clear floor area required inside an elevator cab for a standard side-entry configuration?