Practice Note Categories R-S

Rainwater (currently under Review)

99.01 Rainwater Tank Installation - Rainwater Supply for Water Closet Cisterns

This Practice Note (formerly Technical Solution Sheet) is currently under review.

Under Review

99.02 Rainwater Tanks - Rainwater Tanks

This Practice Note (formerly Technical Solution Sheet) is currently under review.

Under Review

Recycled Water (currently under Review)

91.01 Grey or Recycled Water - Transported Recycled Water for Irrigation and Commercial Car Washing

This Practice Note (formerly Technical Solution Sheet) is currently under review.

Under Review

91.01 Grey or Recycled Water - Transported Recycled Water for Irrigation and Commercial Car Washing

This Practice Note (formerly Technical Solution Sheet) is currently under review.

Under Review

91.02 Grey or Recycled Water - Grey Water or Recycled Water non drinking water supply

This Practice Note (formerly Technical Solution Sheet) is currently under review.

Under Review

Roof Plumbing

RP-01: Regulatory Framework

This Practice Note specifies the regulatory framework requirements for roof (stormwater) plumbing, and provides guidance on:

  • What is roof (stormwater) plumbing work?
  • What is not classified as roofing (stormwater) plumbing work?
  • What types of roofing (stormwater) material are acceptable?
  • Supporting documents for roof catchments to meet the deemed to satisfy requirements
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RP-02: Box Gutters - Updated

This Practice Note specifies the requirements for the installation of box gutters, and provides guidance on:

  • Defining a box gutter
  • Collaboration on the design of box gutters
  • Design and installation parameters for box gutters
  • Requirements for a box gutter support system
  • Overflow provisions in a box gutter
  • Expansion provision for box gutters
  • Other considerations when installing a box gutter
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RP-03: Eaves Gutters

This Practice Note specifies the requirements for the installation of eaves gutters, and provides guidance on: 

  • What is an eaves gutter?
  • What material and products are fit for purpose?
  • Gutter installation examples
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RP-04: Downpipes

This Practice Note specifies the requirements for the installation of downpipes, and provides guidance on:

  • What is a downpipe?
  • What materials and products are fit for purpose?
  • External downpipe locations
  • Internal downpipe installations
  • Downpipe support systems
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RP-05: Roof Flashings

This Practice Note specifies the requirements for the installation of flashings, and provides guidance on:

  • What is a roof flashing?
  • What material and products are fit for purpose?
  • Types of roof flashings.
  • What are the requirements for a traditional raked joint and step method?
  • What are the requirements for a sloping wall cut method?
  • What are the requirements for pressure flashings?
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RP-06: Sizing a roof catchment drainage system

This Practice Note specifies the requirements for roof sizing and calculations for a complete roof drainage system, and provides guidance on:   

  • The steps required when sizing a roof catchment drainage system
  • Design example of a roof catchment drainage system
  • Typical types of roof catchment installations
  • How to calculate roof sizing
View Practice Note

Sanitary Plumbing (currently under Review)

1.01 Sanitary Plumbing - Air Admittance valves

This Practice Note (formerly Technical Solution Sheet) is currently under review.

Under Review

1.02 Sanitary Plumbing - Thermal expansion in Above Ground PVC-U Pipelines

This Practice Note (formerly Technical Solution Sheet) is currently under review.

Under Review

1.03 Sanitary Plumbing - Floor Waste Gullies

This Practice Note (formerly Technical Solution Sheet) is currently under review.

Under Review

1.04 Sanitary Plumbing - Installation of Fixtures for People with Disabilities

This Practice Note (formerly Technical Solution Sheet) is currently under review.

Under Review

1.04A Sanitary Plumbing - Installation of Fixtures for Disabled Persons Building Classes 9b and 10 Public Transport Buildings

This Practice Note (formerly Technical Solution Sheet) is currently under review.

Under Review

1.05 Sanitary Plumbing - Temporary Plumbing for Site Sheds

This Practice Note (formerly Technical Solution Sheet) is currently under review.

Under Review

Solar Hot Water (updated)

SH-01 Solar Heated Water

This Practice Note provides guidance on energy efficiency of solar hot water systems when using this option to meet the requirements of the Plumbing Regulations 2018 and the National Construction Code 2019.

The content below provides guidance on:

  • Requirements for solar water heaters
  • Compliance with the Plumbing Regulations 2018
  • Installation requirements
View Practice Note