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NZ Backflow Testing Standard - Field testing of backflow prevention devices and verification of air gaps

Abbreviation
NZ Backflow Testing Standard 2011
Valid from
01/04/2011

Information provider
Water New Zealand
Author
Master Plumbers, Gasfitters and Drainlayers NZ Inc and Water NZ
Information type
Standard
Format
PDF


Description

This Standard covers the testing of backflow prevention devices and verification of air gaps. In relation to maintenance, repairs should be undertaken immediately a device is known to have failed. During repairs the same level of protection must be maintained or the affected section of the water supply system shut down.

Scope

This industry Standard specifies requirements for field testing of backflow prevention devices and verification of air gaps following completion of installation and at subsequent intervals demanded by regulatory requirements.

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Download this resource (PDF, 1.1MB)
For assistance with locating previous versions, please contact the information provider.
This resource is cited by:

NZ Backflow Testing Standard - Field testing of backflow prevention devices and verification of air gaps

This document is CITED BY:

NZ Backflow Testing Standard - Field testing of backflow prevention devices and verification of air gaps

Description

This Standard covers the testing of backflow prevention devices and verification of air gaps. In relation to maintenance, repairs should be undertaken immediately a device is known to have failed. During repairs the same level of protection must be maintained or the affected section of the water supply system shut down.

Download this resource (PDF, 1.1MB)
NZ Backflow Testing Standard - Field testing of backflow prevention devices and verification of air gaps
Description

This Standard covers the testing of backflow prevention devices and verification of air gaps. In relation to maintenance, repairs should be undertaken immediately a device is known to have failed. During repairs the same level of protection must be maintained or the affected section of the water supply system shut down.

Download this resource (PDF, 1.1MB)
This resource cites:

NZ Backflow Testing Standard - Field testing of backflow prevention devices and verification of air gaps

This document CITES:
New Zealand Standards
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