CFB Building Codes & Standards 2

Question 1

Which edition of the International Building Code (IBC) introduced significant changes to seismic design categories?

Accepted Answer

IBC 2018

Answer

The IBC 2018 incorporated updated seismic hazard maps and revised seismic design category provisions based on ASCE 7-16.

Question 2

Under the International Residential Code (IRC), what is the minimum ceiling height required for habitable rooms?

Accepted Answer

7 feet 0 inches

Answer

The IRC requires a minimum ceiling height of 7 feet for habitable rooms, though beams and girders may project lower.

Question 3

A field builder encounters a load-bearing wall that must be relocated. Which standard governs the minimum header size for the new opening?

Accepted Answer

IRC Table R602.7

Answer

IRC Table R602.7 provides prescriptive header sizes based on span and supported load conditions for residential construction.

Question 4

What does the term 'AHJ' mean in the context of building codes?

Accepted Answer

Authority Having Jurisdiction

Answer

AHJ stands for Authority Having Jurisdiction, the organization or individual responsible for enforcing code requirements.

Question 5

Which NFPA standard covers the installation of sprinkler systems in one- and two-family dwellings?

Accepted Answer

NFPA 13D

Answer

NFPA 13D is the standard specifically written for sprinkler system installation in one- and two-family dwellings and manufactured homes.

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