The Ontario Building Code | Hydraulic Loads for Fixtures

7.4.10.2. Hydraulic Loads for Fixtures

(1) The hydraulic load from a fixture that is listed in Table 7.4.9.3. is the number of fixture unitsset forth in the Table.

(2) Except as provided in Sentence (1), the hydraulic load from a fixture that is not listed in Table 7.4.9.3. is the number of fixture units set forth in Table 7.4.10.2. for the trap of the sizethat serves the fixture.

Table 7.4.10.2.
Permitted Hydraulic Load from a Fixture Based on Size of Trap

Forming Part of Sentence 7.4.10.2.(2)

Item	Column 1 Size of Trap, in.	Column 2 Hydraulic Load, fixture units
1.	1 ¼	1
2.	1 ½	2
3.	2	3
4.	2 ½	4
5.	3	5
6.	4	6