Plumbing and drainage

This report represents the second phase of work and further investigates the methods for sizing sanitary plumbing and drainage systems used within Australia.

Contains answers to frequently asked questions about lead free plumbing products.

This notice provides direction on the requirement for annual factory inspections for Lead Free WaterMark certified products.

This notice provides direction on the mandatory marking requirements of certain plumbing products which have been manufactured to meet the Lead Free requirements outlined in clause A5G4(2) of NCC 2

This notice provides direction on the material to be used in the manufacture of plumbing products, which contain copper alloy and are intended for use in contact with drinking water, to achieve com

This notice provides direction on the certification transition arrangements for the lead free requirements for plumbing products, as outlined in NCC 2022 Volume Three.

This Implementation Plan is a roadmap for the national transition to low lead plumbing products through NCC 2022.

This Standard provides a set of technical provisions that if complied with enable dwellings to better meet the needs of the community, including older people and people with mobility limitations.

The Cross-connection control handbook assists in understanding cross-connection control and the requirements of NCC Volume Three, the Plumbing Code of Australia (PCA).

The Condensation in Buildings Handbook assists in understanding the condensation requirements in NCC Volume One and Volume Two.

This report investigates the current methods for sizing sanitary plumbing and drainage systems used within Australia.

This document provides a table highlighting the BCA 2022 references compared to the BCA 2019 references.

CFD analysis to calculate Total R-values and mitigation requirements for thermal bridges in ceilings and suspended floors with adjacent airspace.

Generalised simplified calculation method to calculate thermal bridges in ceilings and suspended floors with an adjacent airspace. (Includes process to deal with battens, encapsulation).

Assists in developing a better understanding of the NCC 2019 Volume Two Gutters and Downpipes provisions.

This report summarises the research on the impacts of thermal bridging mitigation (TBM) undertaken to

A review of industry feedback and approaches to upgrading to 7-star building fabric

This report details a range of technical modifications to both the method and underlying assumptions

This report describes the costs and benefits of increasing ratings in Class 1 dwellings from 6 to 7 stars, and in Class 2 buildings from a 6-star average (with a minimum of 5 stars) to 7 average (w

Decision Regulation Impact Statement for a proposal to increase residential building energy efficiency requirements