BCAB #1519 - Venting of Floor Drains, Sentence 7.5.1.1 (3)

Last updated on March 24, 2016

September 20, 2000

BCAB #1519

Re: Venting of Floor Drains, Sentence 7.5.1.1 (3)

Project Description

The project in question involves the installation of funnel floor drain which receive discharge from equipment through an indirect connection. The trap for the floor drain is not vented.

Reason for Appeal

Sentence 7.5.1.1.(3) permits a trap serving a floor drain not to be protected by a vent pipe provide the size of the trap is not less than 3 inches, the length of the fixture drain is not less than 450 mm, and the fall on the fixture drain does not exceed its size.

Appellant's Position

The appellant contends the installation of the floor drain in question meets all the conditions of Sentence 7.5.1.1.(3).

Building Official's Position

The Building Official considers the exception for venting not applicable when the floor drain receives a regular discharge from equipment.

Appeal Board Decision #1519

It is the determination of the Board that a floor drain which receives acceptable indirect discharge from a fixture and complies with the requirements of Sentence 7.5.1.1.(3) is not required to be protected by a vent.

George Humphrey, Chair