Building Codes & Standards Flashcards

According to the IBC, a building's 'occupancy classification' is primarily determined by:

Answer: The intended use of the space

Occupancy classification under the IBC is based on the intended use or character of occupancy of a building or space.

What is the maximum stair riser height permitted by the IRC for residential stairs?

Answer: 7.75 inches

The IRC limits residential stair riser height to a maximum of 7-3/4 inches (7.75 inches) to ensure safe step height.

Which standard defines fire-resistance ratings for building assemblies through standardized testing?

Answer: ASTM E119

ASTM E119 is the standard test method for fire tests of building construction and materials, used to determine fire-resistance ratings.

Under IBC Table 601, Type V-B construction allows wood framing with what fire-resistance rating for exterior bearing walls?

Answer: 0 hours

IBC Type V-B (unprotected) construction requires 0-hour fire-resistance ratings for all structural elements including exterior bearing walls.

A CFB must verify anchor bolt placement before a slab pour. What is the minimum embedment depth for a standard 1/2-inch anchor bolt per the IRC?

Answer: 7 inches

The IRC requires a minimum embedment of 7 inches for anchor bolts connecting sill plates to concrete or masonry foundations.

Which document would a field builder reference to verify that a specific product meets code-approved performance standards?

Answer: ICC Evaluation Service (ICC-ES) report

ICC-ES reports (Evaluation Reports) confirm that a product or system meets the requirements of the IBC, IRC, or other model codes.

Penetrations through a fire-rated floor/ceiling assembly must be protected using which method?

Answer: Listed firestop system

All penetrations through fire-rated assemblies must be protected with a listed and labeled firestop system tested to maintain the assembly's fire-resistance rating.