![]() ![]() K)the length of the wet vent is not limited.įixtures, Other Than Water Closets, That Serve Not More Than 2 Waterħ.5.3. J)the wet-vented portion is not reduced in size except for the portion that is upstream of emergency floor drains in accordance with Sentence 7.5.1.1.(3), and Ii)the offset does not exceed 2.5 m for pipes larger than 2 inches in size, I)the offset does not exceed 1.2 m for pipes 2 inches or less in size, or I)there is not more than one nominally horizontal offset in the wet vent, and H)where a wet vent extends through more than one storey, the total discharge from any one storey above the first storey does not exceed 4 fixture units, ![]() G) the hydraulic load to be considered when sizing aĬontinuous vent that serves a wet vent only includes the hydraulic load that is when separately vented branches or fixture drains in the same storey, having a total hydraulic load not greater than 2 fixture units, are connected to the wet vent or a wet-vented water closet trap arm, Sanitary T fitting if the vent pipe is vertical and by means of a double Y fitting if theĭ)the water closets are installed downstream of allĮ) trap arms and fixture drains connected to the wet vent do not exceed 2 inches in size, except for connections from emergency floor drains in accordance with Sentence 7.5.1.1.(3),į) the total hydraulic load on the wet vent does not exceed the limits stated in Table 7.5.2.1. in Appendix A.)ġ) A soil-or-waste pipe may serve as a wet vent provided thatĪ)the hydraulic load is in accordance with Table 7.5.2.1.,ī)the number of wet-vented water closets does notĬ)where 2 water closets are installed, they areĬonnected at the same level by means of a double (See Appendix A.)Ĥ) A trap need not be protected by a vent pipeī)where it forms part of an indirect drainage system. by the installation ofģ) A trap that serves a floor drain need not be protectedĪ)the size of the trap is not less than 3 inches,ī)the length of the fixture drain is not less than 450 mm, andĬ)the fall on the fixture drain does not exceed its size. Venting for Trapsġ) Except as provided in Sentences (3) and (4), every trap shall be protected by a vent pipe.Ģ) Drainage systems may require additional protection as provided ![]()
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