NCIDQ Building Codes and Regulations 3

Question 1

What is the required minimum clear floor space at a side-approach accessible lavatory per ADA standards?

Accepted Answer

30 inches × 48 inches

Answer

ADA requires a 30 × 48-inch clear floor space for a parallel (side) approach at lavatories, positioned to allow wheelchair users to reach controls.

Question 2

Under the IBC, what is the maximum riser height for interior stairs?

Accepted Answer

7 inches

Answer

IBC Section 1011.5.2 limits stair riser height to a maximum of 7 inches to ensure safe, consistent step climbing.

Question 3

Which standard provides the detailed accessibility specifications that are referenced by both ADA and most state building codes?

Accepted Answer

ICC A117.1 Accessible and Usable Buildings and Facilities

Answer

ICC A117.1 is the technical accessibility standard that contains specific dimensions and requirements referenced by IBC Chapter 11 and ADA 2010 standards.

Question 4

What is the purpose of an occupancy separation (fire barrier) between two different occupancy groups in the same building?

Accepted Answer

To contain fire and smoke within one occupancy and protect the adjacent occupancy

Answer

Occupancy separations are fire barriers rated for specific hourly durations that prevent fire and smoke from spreading from one occupancy type to another.

Question 5

Which provision of the ADA requires that alterations to an existing facility also make a path of travel to the altered area accessible?

Accepted Answer

Path of travel obligation

Answer

The ADA path of travel obligation requires that when a primary function area is altered, the accessible path of travel to that area (including restrooms, phones, drinking fountains) must also be made accessible.

NCIDQ Exam Practice Test

NCIDQ Exam Practice Test

NCIDQ Building Codes and Regulations 3