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OBC 2006 › Division B

7.5.6.3.

Version 0 — in force 31 December 2006

In force
Verified · covered Verified against the 2006-12-31–2007-04-01 consolidation, whose range covers the query date. How to read this

Provenance

OBC 1997 · renumbered from 7.5.5.3. — Pro

Base · O. Reg. 350/06 · ext← current

Original — base regulation

O. Reg. 503/09, cl. 108 · ext v1 →

In force 2010-01-01

Next: O. Reg. 503/09, cl. 108 · ext (not in force until 2010-01-01) v1 →

OBC 2012 · continues as 7.5.6.3. — Pro

7.5.6.3. — Location of Vent Pipes

Comparing versions

Changed text stands out · unchanged is dimmed

v0 base

Earlier · viewing · 2006-12-31

(1) Except as provided in Sentences (2) and (3), a vent pipe that protects a fixture trap shall be located so that,

(a) the developed length of the trap arm is not less than twice the size of the fixture drain,

(b) the total fall of the trap arm is not greater than its inside diameter, and

(c) the trap arm does not have a cumulative change in direction of more than 135°.

(2) The trap arm of water closets, S-trap standards or any other fixture that also discharges vertically and depends on siphonic action for its proper functioning shall not have a cumulative change in direction of more than 225°.

(3) A vent pipe that protects a water closet or any other fixture that also depends on siphonic action for its proper functioning shall be located so that the distance between the connections of the fixture drain to the fixture and the vent pipe shall not exceed,

(a) 1 000 mm in the vertical plane, and

(b) 3 m in the horizontal plane.

(4) The maximum length and minimum slope of every trap arm shall conform to Table 7.5.6.3.

(5) The vent pipe from a water closet or any other fixture that has an integral siphonic flushing action may be connected to the vertical leg of its drainage pipe.

v1 O. Reg. 503/09

Later · 2010-01-01

(1) Except as provided in Sentences (2) and (3), a vent pipe that protects a fixture trap shall be located so that,

(a) the developed length of the trap arm is not less than twice the size of the fixture drain,

(b) the total fall of the trap arm is not greater than its inside diameter, and

(c) the trap arm does not have a cumulative change in direction of more than 135°.

(2) The trap arm of water closets, S-trap standards or any other fixture that also discharges vertically and depends on siphonic action for its proper functioning shall not have a cumulative change in direction of more than 225°.

(3) A vent pipe that protects a water closet or any other fixture that also depends on siphonic action for its proper functioning shall be located so that the distance between the connections of the fixture drain to the fixture and the vent pipe shall not exceed,

(a) 1 000 mm in the vertical plane, and

(b) 3 m in the horizontal plane.

(4) The maximum length and minimum slope of every trap arm shall conform to Table 7.5.6.3.

(5) The vent pipe from a water closet or any other fixture that has an integral siphonic flushing action may be connected to the vertical leg of its drainage pipe.