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Question: 13-13 Code Section: 7 Date: 30 September 2013 OBC Reference: Question Submitted: I am connecting a three piece washroom to a 4” building drain. There is approximately 16 feet between the washroom group and the 4” building drain. I was told that I could not use a 4”x3” reducer near the bathroom group but […]

Question: 13-14 Code Section: 7 Date: 1 October 2013 OBC 2006 Reference: 7.1.2.1(2) Question Submitted: I have a bacon processing plant that has recently expanded their facilities. They have added multiple hub drains, floor drains, funnel floor drains, and a few sinks. The plumber basically told me that this was part of the process system

Question: 13-18 Code Section: 7 Date: 2 October 2013 OBC 2006 Reference: 7.4.5.1(3) Question Submitted: Does the code permit the use of gang trapping for fixtures such as “pedicure chairs”. The reasoning for asking this question is that if shower drains (which discharge a comparable type of waste) are allowed to be gang trapped, then

Question: 13-23 Code Section: 7 Date: 16 December 2013 OBC 2006 Reference:  Question submitted: Is this installation legal? Interpretation: Companies have been making these types of fittings that connect fixture outlets to the drainage system for years. Most of these fittings conform to the CAN/CSA-B125 “Plumbing Fittings” as required by 7.2.10.6(1).However, the certification of a fitting

Question: 14-05 Code Section: 7 Date: 24 February 2014 OBC 2012 Reference:  Question submitted: How many gang trapped washing machines discharging 6.5 gpm each, may discharge into a 4” trap? There are 2 ways of calculating this, but which one is the right answer? (note: FU= fixture unit) Method #1:Given, 1FU = 6.25 gpm and a 4” trap