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Question: 09-14 Code Section: 7 Date: 14 September 2009 OBC 2006 Reference: 7.5.7.1.(1) Question: A sewage tank with a 3″ vent … would a 1 1/2″ waste from a laundry tub fixture be allowed to discharge into the vent. Interpretation: No, an ejector vent cannot be wet vented, nor can its vent serve as a […]

Question: 10-24 Code Section: 7 Date: 27 September 2010 OBC 2006 Reference: 7.5.7.2.(2) Question Submitted: We have three townhouse blocks containing nine townhouse units all located on privateproperty. Each block is a separate building. Each unit of the townhouse block is individuallyconnected to a sanitary drainage pipe which is suspended in a below ground parking

Question: 11-16 Code Section: 7 Date: 14 September 2011 OBC 2012 Reference: 7.5.9.2.(1), (2). Question Submitted: Can Air Admittance Valves be used to serve a grease interceptor? Interpretation:The grease interceptor is not a fixture as per 7.5.9.2.(1).The inlet vent is subjected to back pressure which is not permitted as per 7.5.9.2.(2)(d).

Question: 13-11 Code Section: 7 Date: 9 September 2013 OBC 2012 Reference: Question Submitted: What we have is a 3″ stack vent with an 1 1/2″ branch vent supplying air to a basement 3pc and a basement laundry tub, as well as an 1 1/2″ vent to a laundry box in which the vent is

Question: 13-22 Code Section: 7 Date: 22 November 2013 OBC 2012 Reference: Question Submitted: I have a contractor for an addition that removed a portion of my old vent stack that was cast iron. The questions I have are:1) The contractor rather than using ABS used an insulated flexible duct to make a curve in