Getting a backflow prevention device installed is a Sydney Water requirement for commercial property owners.

Summary

This commercial kitchen owner needed a backflow prevention device installed in Sydney

Nu-Trend is a qualified Plumber and licensed Backflow Technician that can help commercial property owners ensure their kitchen, restaurant or cafe are compliant with current regulations.

 

 

For this commercial kitchen property owner we installed a 50mm Reduced Pressure Zone Device (RPZD) which is a Sydney Water requirement to have a testable Backflow device fitted. The purpose of the device is to protect Sydney Water’s mains from any property deemed to be considered a high hazard. When the device detects backflow or discharge from the property it shuts off. It has to be accessible for annual testing purposes and this is necessary to ensure the valve is working as per its intended use.

 

 

For this property the landlord received a letter from Sydney Water asking for the valve to be installed & it had to be done within a certain time period otherwise they would shut the water off to the kitchen.

 

 

To get a backflow prevention device installed you must only use licensed plumbers with backflow prevention accreditation issued by a registered training organisation (backflow plumbers) can inspect, commission and test backflow devices. Once backflow devices have been installed, only backflow plumbers can test them. Once a test has been done, backflow plumbers must submit the test report to Sydney Water


The type of backflow prevention device you require will depend on your site

The hazard rating of your site’s processes will determine which type of device you need to install. If the hazard rating varies due to multiple processes, you must apply the highest hazard rating.

 

Reduced pressure zone device (hazard rating – high)
This device has two independent action, non-return valves that are force-loaded to the closed position. A relief valve is positioned between the non-return valves and is arranged to be force-loaded to open to the atmosphere.

 

Break tank/air gap (hazard rating – high)
This device has an air break (physical gap) between the lowest water service pipe outlet and any upstream tank, fitting or container.

 

Testable double check valve (hazard rating – medium)
This device has two independent action, non-return valves that are force-loaded to the closed position. It is fitted with three test taps for yearly testing.

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Rick Karagiannis - Plumber & Bathroom Renovator

Rick Karagiannis - Plumber & Bathroom Renovator

Rick Karagiannis is a licensed Plumber, Building Renovator and Director of Nu-Trend, a Sydney Plumber and Bathroom Renovations contractor. Nu-Trend has been operating since 2009 as an independent sole trader in Sydney. Rick provides all types of services for small bathroom renovations, leaking tap repairs, hot water high-pressure jet blasting and more.