CDT Building Codes & Standards 2 — Questions and Answers
Question 1: Under the IBC, which occupancy group classification applies to a building used for the gathering of persons for civic, social, or religious functions?
- Group A-2
- Group A-3 (Correct answer)
- Group B
- Group E
Correct answer: Group A-3
Group A-3 covers assembly uses such as civic, social, or religious functions, amusement arcades, art galleries, and courtrooms.
Question 2: Which ANSI standard governs the minimum requirements for accessible design in the United States?
- ANSI A14.3
- ANSI A117.1 (Correct answer)
- ANSI Z535.1
- ANSI B18.2
Correct answer: ANSI A117.1
ANSI A117.1 'Accessible and Usable Buildings and Facilities' establishes the technical requirements for accessible design referenced by the ADA and IBC.
Question 3: In IBC occupancy classification, a building housing more than five children older than 2.5 years for educational purposes is classified as which group?
- Group I-4
- Group E (Correct answer)
- Group A-3
- Group R-1
Correct answer: Group E
Group E (Educational) applies to buildings used by more than five persons at any one time for educational purposes through the 12th grade.
Question 4: What is the minimum clear width required by the IBC for a means of egress corridor serving an occupant load greater than 50?
- 36 inches
- 44 inches (Correct answer)
- 48 inches
- 60 inches
Correct answer: 44 inches
The IBC requires a minimum 44-inch clear width for corridors that serve an occupant load of more than 50 persons.
Question 5: Which model code addresses fire prevention and protection requirements, often adopted alongside the IBC?
- IMC
- IPC
- IFC (Correct answer)
- IECC
Correct answer: IFC
The International Fire Code (IFC) covers fire prevention, protection, investigation, and control requirements.
Question 6: On construction drawings, what does the notation 'UL Listed' indicate about a product or assembly?
- The product meets universal load requirements per ASCE 7
- The product has been tested and certified by Underwriters Laboratories (Correct answer)
- The product is approved under the Unified Labeling system of ASTM
- The product meets U-factor limits in the energy code
Correct answer: The product has been tested and certified by Underwriters Laboratories
UL Listed means the product has been evaluated and certified by Underwriters Laboratories (UL) to meet specific safety standards.
Question 7: Which seismic design category in ASCE 7 represents the highest level of seismic hazard for buildings with standard occupancy?
- SDC B
- SDC C
- SDC D
- SDC F (Correct answer)
Correct answer: SDC F
Seismic Design Category F (SDC F) applies to facilities with the highest hazard to human life located in regions of highest seismicity.
CDT Building Codes & Standards 2
Under the IBC, which occupancy group classification applies to a building used for the gathering of persons for civic, social, or religious functions?