Cross-connections

Question: 14-12 Code Section: 7 Date: 17 September 2014 OBC 2012 Reference: 7.6.2.6  Question Submitted:7.6.2.6. Premise Isolation(1) Buildings or facilities where a moderate hazard or severe hazard may be caused by backflow shall be provided with premise isolation of the potable water system by the installation of a backflow preventer selected in accordance with Clauses […]

Question: 13-17 Code Section: 7 Date: 2 October 2013 OBC 2006 Reference:  Question Submitted: We are in the process of removing a grey water system with a chlorinator in a single family dwelling. The non-potable piping must now be reconnected to potable to serve the toilets. The system used an air gap on the make-up