Industry Documents
Boundary Backflow Prevention for Drinking Water Supplies Code of Practice
This Code of Practice provides best practice guidance on how water suppliers can minimise the risk of backflow through the development of policies and practices covering the selection, installation and monitoring of backflow devices for all connections supplied with drinking water, including residential properties. The Code is available at this link.
New Zealand Industry Standard And Templates For Field Testing Of Backflow Prevention Devices And Verification Of Air Gaps
This document covers the testing of backflow prevention devices and verification of air gaps. It was developed to replace AS 2845 Water supply – backflow prevention devices, Part 2 Registered air gaps and registered break tanks and Part 3 Field testing and maintenance of testable devices. It is more suitable for use in New Zealand as it reflects the regulatory environment and the procedures currently in use. The Standard is available at this link.
Links
American Backflow Prevention Association
The Backflow Prevention TechZone
Backflow Prevention Courses - Unitec
The Chartered Institution of Water and Environmental Management (CIWEM)
Plumbing, Gasfitting, Drainlaying and Roofing ITO
Compliance Document for New Zealand Building Code Clause G12 Water Supplies - Third Edition
