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Specifies minimum requirements for the materials, design, fabrication, testing, inspection, reports and pre-commissioning of piping subject to internal or external pressure.

The objective of this Standard is to specify essential requirements and basic standards for the delivery of Type A gas appliance servicing, repair, testing and conversion from one gas type to another.

This document is known as the Best Practice Industry Conditions.

This information is intended as a guide only as to the requirement for payment of an insurance premium and cover for loss suffered in respect of different types of building work for contracts entered into on or after 28 October 2016.

Information about your rights and how you can exercise them during the building process.

The Western Australia guide to standards and tolerances 2019 (the Guide) has been developed for use by builders and building owners as a convenient reference for acceptable standards of workmanship in residential building construction; it is intended to address areas that are not prescribed under legislation or under a home building contract.

Specifies materials, design, construction, installation, testing and maintenance requirements for below ground plastics gas distribution networks to be used in conjunction with AS/NZS 4645.1, for the distribution of fuel gas suitable for domestic, commercial or industrial uses.

Specifies the criteria for the selection of portable fire extinguishers and the requirements for their application, location and distribution.

Specifies requirements for electrical installations associated with connectable electrical installations used for the purposes of accommodation, habitation or other residential, commercial purposes or recreational uses that are intended for connection to external low voltage a.c. supply systems (i.e. 50 V a.c. to 1000 V a.c.) by either a detachable supply lead or a supply lead directly connected to the connectable electrical installation; includes requirements and provides guidance for the installation of extra-low voltage systems (i.e. less than 50 V a.c. or 120 V d.c. ripple free).

Specifies requirements for general installation and safety requirements for battery energy storage systems (BESSs), where the battery system is installed in a location, such as a dedicated enclosure or room, and is connected with power conversion equipment (PCE) to supply electric power to other parts of an electrical installation.