CPI Building Code Requirements 3

Question 1

Under the International Plumbing Code, what is the minimum slope required for horizontal drain piping 3 inches or less in diameter?

Accepted Answer

1/4 inch per foot

Answer

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?

Accepted Answer

An official deviation from a code requirement granted by the AHJ

Answer

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?

Accepted Answer

200 feet

Answer

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?

Accepted Answer

The installer must comply with the specific code edition that the local jurisdiction has officially enacted

Answer

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?

Accepted Answer

To reduce the risk of fire spreading from one building to an adjacent structure or property line

Answer

Fire separation distance limits fire spread between structures and influences exterior wall and opening protection requirements.

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