CPI Building Code Requirements 3 — Questions and Answers
Question 1: Under the International Plumbing Code, what is the minimum slope required for horizontal drain piping 3 inches or less in diameter?
- 1/16 inch per foot
- 1/8 inch per foot
- 1/4 inch per foot (Correct answer)
- 1/2 inch per foot
Correct answer: 1/4 inch per foot
The IPC requires horizontal drain pipes 3 inches or smaller to slope at a minimum of 1/4 inch per foot to ensure proper flow.
Question 2: Which of the following best describes a 'variance' in building code administration?
- A mandatory code update issued by the ICC
- An official deviation from a code requirement granted by the AHJ (Correct answer)
- A penalty assessed for code violations
- A temporary building permit for short-term structures
Correct answer: An official deviation from a code requirement granted by the AHJ
A variance is a formal permission granted by the AHJ allowing a specific deviation from a standard code requirement.
Question 3: Under the IBC, what is the maximum travel distance to an exit in a non-sprinklered Business Group B occupancy?
- 150 feet
- 200 feet (Correct answer)
- 250 feet
- 300 feet
Correct answer: 200 feet
The IBC limits exit travel distance to 200 feet in non-sprinklered Business Group B occupancies.
Question 4: When a building code references an 'adopted edition,' what does this mean for an installer?
- The installer must use the newest ICC edition regardless of local law
- The installer must comply with the specific code edition that the local jurisdiction has officially enacted (Correct answer)
- The installer can choose which edition to follow
- Adopted editions only apply to new construction, not renovations
Correct answer: The installer must comply with the specific code edition that the local jurisdiction has officially enacted
Installers must follow the code edition formally adopted by their local jurisdiction, which may differ from the most current published edition.
Question 5: What is the primary purpose of a fire separation distance as defined in the IBC?
- To provide landscaping space between buildings
- To reduce the risk of fire spreading from one building to an adjacent structure or property line (Correct answer)
- To meet neighborhood aesthetic requirements
- To allow utility easements between properties
Correct answer: To reduce the risk of fire spreading from one building to an adjacent structure or property line
Fire separation distance limits fire spread between structures and influences exterior wall and opening protection requirements.
Question 6: Under the IRC, smoke alarms must be installed in which of the following locations?
- Only in kitchens and bathrooms
- In each sleeping room, outside each sleeping area, and on each level of the dwelling (Correct answer)
- Only in hallways and common areas
- Only in the basement and attic
Correct answer: In each sleeping room, outside each sleeping area, and on each level of the dwelling
The IRC requires smoke alarms in each sleeping room, outside each sleeping area, and on every level including basements.
Question 7: Which IBC section addresses accessibility requirements for persons with disabilities?
- Chapter 7
- Chapter 9
- Chapter 11 (Correct answer)
- Chapter 13
Correct answer: Chapter 11
IBC Chapter 11 covers accessibility requirements, referencing ICC A117.1 for technical standards for accessible design.
CPI Building Code Requirements 3
Under the International Plumbing Code, what is the minimum slope required for horizontal drain piping 3 inches or less in diameter?