Backflow

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Backflow

F B Hall & Co Ltd provides expertise in Backflow Survey of your property or plans to comply with the current building requirements as well as Backflow Device installation, (IQP) testing and maintenance.

Hamilton City Water Supply Bylaw 2013 (section 10.14 Backflow Prevention) states that any property that is deemed a potential risk, and including all non-residential, will be required to have a Containment Device installed on the incoming water supply at the boundary to protect the utilities water supplies from any possibility of cross-connection or contamination from the site. The rating of this device is determined by the hazards identified from the plans provided,  with the minimum being “medium hazard”. This may need to be reviewed at time of construction if hazard ratings change.

This has been instigated by the requirements of the Health (Drinking Water) Amendment Act 2007 which requires that all network suppliers must protect their public water supplies from any such possibility.

The site water supplies must also comply with the New Zealand Building Code Clause G12/AS/NZS 3500.1.2003.

Click here to read the bylaw in PDF format.

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