Architecture Building Codes and Regulations 2 — Questions and Answers
Question 1: What is the maximum travel distance to an exit in a non-sprinklered office building under the IBC?
- 100 feet
- 200 feet (Correct answer)
- 250 feet
- 300 feet
Correct answer: 200 feet
The IBC limits travel distance to an exit in non-sprinklered B occupancies (offices) to 200 feet, extended to 300 feet when sprinklered.
Question 2: Under NFPA 101 Life Safety Code, what is a 'corridor' primarily designed to provide?
- Efficient floor plate circulation
- A protected exit access path between occupied spaces and exits (Correct answer)
- Mechanical equipment access
- Natural daylighting
Correct answer: A protected exit access path between occupied spaces and exits
Under NFPA 101, corridors serve as protected exit access paths connecting occupied spaces to exits, with minimum width and fire-rating requirements based on occupancy.
Question 3: What is the minimum clear width of an accessible route under ADA/ANSI A117.1?
- 32 inches
- 36 inches (Correct answer)
- 44 inches
- 60 inches
Correct answer: 36 inches
The minimum clear width for an accessible route is 36 inches, with passing spaces of 60 inches required at intervals where the route is only 36 inches wide.
Question 4: What is the required minimum ceiling height in habitable rooms under the IRC (residential)?
- 6 feet 8 inches
- 7 feet (Correct answer)
- 7 feet 6 inches
- 8 feet
Correct answer: 7 feet
The International Residential Code (IRC) requires a minimum ceiling height of 7 feet in habitable rooms such as bedrooms and living rooms.
Question 5: What type of building permit review does most US jurisdictions require for projects exceeding a certain size?
- Only structural review
- Full plan review by the building department including life safety, structural, and MEP (Correct answer)
- Only zoning review
- Environmental impact review only
Correct answer: Full plan review by the building department including life safety, structural, and MEP
Most US jurisdictions require full plan review by the building department covering life safety, structural, mechanical, electrical, and plumbing systems for larger projects.
Question 6: What is the purpose of a Certificate of Occupancy (CO)?
- Transferring property ownership
- Confirming the building complies with applicable codes and is safe for intended use (Correct answer)
- Approving architectural drawings
- Authorizing demolition
Correct answer: Confirming the building complies with applicable codes and is safe for intended use
A Certificate of Occupancy is issued by the local authority having jurisdiction confirming that a completed building meets all code requirements and may be legally occupied.
What is the maximum travel distance to an exit in a non-sprinklered office building under the IBC?