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Question: 05-19 Code Section: 7 Date: OBC 2006 Reference: Question: How does Sentence 7.6.2.3.(8) apply to Article 7.6.2.3. and what is the intent? Interpretation: (On. Reg. 403/97) As the title of the Sub-section would suggest, the intent of the Articles are to protect the potable water systems from contamination. The various Sentences in Article 7.6.2.3. […]

Question: 05-18 Code Section: 7 Date: OBC 2006 Reference: Question: What is an acceptable backflow prevention valve for an underground sprinkler system at a residence? Interpretation: (On. Reg. 403/97) If it is determined from the installation of the lawn sprinkler system that the hazard is moderate and that protection is against back siphonage only, then

Question: 05-02 Code Section: 7 Date: OBC 2006 Reference: Question: I’ve inspected an installation using the potable hot water as a heat source.  The cold water passes through a ATakagi T-KD20 instantaneous water heater, to supply the hot water for the radiant heat loop, and has a branch just downstream of the heater to supply

Question: 04-44 Code Section: 7 Date: OBC 2006 Reference: Question: Is the pipe manufactured by Wirsbo for distribution systems?  What type of pipe is it and where is it referenced in the code? Interpretation: (On. Reg. 403/97) Wirsbo tubing is manufactured for distribution systems and is referred to as Aquapex.  The name gives away the

Question: 04-42 Code Section: 7 Date: OBC 2006 Reference: Question: Can polyethylene water pipe be used underground in a distribution system downstream of the polyethylene water service? Reference 7.2.5.5.(2), Table 7.2.11.2.and Appendix on page A-20?      Interpretation: (On. Reg. 403/97) At first glance, we could not understand why someone would ask a question to which