Building Codes & Regulations Flashcards
7 cards from real CRC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Building Codes & Regulations flashcards as text
Under the International Residential Code (IRC), what is the minimum ceiling height required for habitable rooms?
Answer: 7 feet 0 inches
The IRC requires a minimum ceiling height of 7 feet 0 inches for habitable rooms.
Which document serves as the basis for most residential building codes adopted across the United States?
Answer: International Residential Code (IRC)
The IRC, published by the International Code Council (ICC), is the model code most widely adopted by states and municipalities for one- and two-family dwellings.
A residential contractor is building a deck that is 30 inches above grade. Under the IRC, is a guardrail required?
Answer: Yes, guardrails are required at 30 inches or more above grade
The IRC requires guardrails on decks and elevated surfaces 30 inches or more above the grade below.
What is the purpose of a Certificate of Occupancy (CO)?
Answer: It confirms the building meets code and is safe to occupy
A Certificate of Occupancy is issued by the local authority having jurisdiction to confirm a structure complies with applicable codes and is safe for use.
Under the IRC, what is the maximum rise (height) allowed for a single stair riser in a residential application?
Answer: 7¾ inches
The IRC limits stair riser height to a maximum of 7¾ inches for residential construction.
When is a building permit NOT typically required for residential work?
Answer: Painting, wallpapering, or similar finish work
Cosmetic work such as painting, wallpapering, and flooring typically does not require a building permit, unlike structural or mechanical work.
Under the IRC, what is the minimum width required for a residential exit door (egress door)?
Answer: 32 inches clear
The IRC requires a minimum clear width of 32 inches for the required egress door of a dwelling unit.