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OBC 2006 › Division B

7.5.8.3.

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 7.5.7.2. — Pro

Base · O. Reg. 350/06 · ext← current

Original — base regulation

OBC 2012 · continues as 7.5.8.3. — Pro

7.5.8.3. — Branch Vents, Headers, Continuous Vents and Circuit Vents

(1) Branch vents, headers, circuit vents and continuous vents shall be sized in accordance with Table 7.5.8.3.

(2) For the purposes of Table 7.5.8.3., the length of a branch vent shall be its developed length from the most distant soil or waste pipe connection to a vent stack, stack vent, header or open air.

(3) For the purposes of Table 7.5.8.3., the length of a header shall be its developed length from the most distant soil or waste pipe connection to open air.

(4) For the purposes of Table 7.5.8.3., the length of a circuit vent shall be its developed length from the horizontal soil or waste pipe connection to a vent stack, stack vent, header or open air.

(5) For the purposes of Table 7.5.8.3., the length of a continuous vent shall be its developed length from the vertical soil or waste pipe connection to a vent stack, stack vent, header or open air.

Text · e-Laws consolidated snapshot

Table 7.5.8.3. Sizing of Branch Vents, Headers, Continuous Vents and Circuit Vents Forming Part of Article 7.5.8.3.

Column 1

Column 2

Column 3

Column 4

Column 5

Column 6

Column 7

Column 8

Column 9

Total Hydraulic Load Served by Vent, fixture units

Size of Vent Pipe, in.

1 ¼

1 ½

2

3

4

5

6

8

Maximum Length of Vent Pipe, m

2

9

8

9

30

61

20

7.5

15

46

24

4.5

9

30

42

9

30

60

4.5

15

120

100

11

79

305

200

9

76

275

500

6

55

215

1 100

15

61

215

1 900

6

21

61

215

2 200

9

27

105

335

3 600

7.5

18

76

245

5 600

7.5

18

76