Plumbers' technical note – Pipe sizing and commissioning | Department of Energy, Mines, Industry Regulation and Safety

Building and Energy
Western Australian building services, electrical, gasfitting and plumbing industries.
- Overview
  Find out about the functions and jurisdiction of Building and Energy.
- Licensing and registration and owner-builder approval
  Application and renewal for builders, building surveyors, electricians, gas fitters, painters and plumbers.
- Building approvals
  The process for getting building work approved.
- Building and energy consumer information
  Building or renovating your home and consumer safety.
- Industry information
  Codes, standards and reports for building services providers, electricians, plumbers and gas fitters.
- Dispute resolution
  Plumbing, building service, and home building work contract complaints.
- eNotice
  How to register and lodge electrical, gasfitting, plumbing and contractor payment dispute (Security of Payment Act) eNotices.
- Stay informed
  Bulletins, newsletters, subscriptions, events and seminars, videos, and public consultations.
- Contractor Payment Disputes (Construction Contracts Act)
  If your construction contract was entered into BEFORE 1 August 2022.
- Contractor Payment Disputes (Security of Payment Act)
  If your construction contract was entered into ON or AFTER 1 August 2022.
- Swimming pools, dividing fences, RCDs and smoke alarms
  Information on private swimming pool safety barriers, dividing fences, RCDs and smoke alarms for existing residential buildings.
- Report an accident
  How to report an accident or incident to Building and Energy.
Consumer Protection
Develops, enforces and promotes legislation that protects consumers.
- About Consumer Protection
  What Consumer Protection does, contacts and events.
- Housing and accommodation
  Information on renting, buying or selling a home, including accommodation for seniors.
- Consumer rights
  Information and advice for consumers including people with a disability, Aboriginal consumers, and multilingual consumers.
- Consumer concerns
  Advice on handling issues including a complaint checklist, sample letters and how to lodge a formal complaint.
- Business
  Information for businesses about their rights and responsibilities under consumer laws in Western Australia.
- Licences and registrations
  Information on applications, requirements, training and registrations for regulated industries.
- Charities and associations
  Information for charities and associations operating in Western Australia.
- Consultations, compliance and reports
  Compliance actions, public consultations and reports.
Labour Relations
State system employment laws and public sector labour relations.
WorkSafe
Regulation and promotion of workplace health and safety including in general industry and the mining and petroleum industries.
- Report an incident
  Notify the regulator of a death, serious injury/illness or dangerous incident.
- Notify, submit or contact us
  Notify or submit items to WorkSafe.
- Apply for a licence or register plant
  Apply for licence, register an item of plant or learn about construction induction training.
- Mining statutory positions and certificates
  Information about statutory position appointments at mining operations.
- Work health and safety legislation
  Information about WA's work health and safety (WHS) laws.
- Health and safety representatives
  Information about HSRs.
- Health and safety topics
  How do I make my workplace safer?
- Petroleum and geothermal energy operations
  Information for operators of petroleum operations.
- Resources and guidance
  Publications, events, statistics, WorkSafe plan and other resources.
- Consulting with our stakeholders
  Information about consulting with stakeholders.
- Agricultural health and safety
  Provide work health and safety information about the agricultural sector including guidance, checklists, and latest news.
- What does WorkSafe do?
  Find out about the functions and jurisdiction of WorkSafe.
- Small business safety
  Your guide to safety and health in small business.
- Historical safety and health law
  Safety and health legislation prior to 2022.
Corporate
Freedom of information guidelines, reports, policies, plans, and contact information.
- About the department
  Our legislation, contacting us and freedom of information.
- About the website
  Information about our website and how to use it.
- Policies and plans
  Policies and strategic plans from the department.

Plumbers' technical note – Pipe sizing and commissioning

This publication is for:

Documents:

Plumbers' technical note – Pipe sizing and commissioning

With the increasing demand on our drinking water supply, the necessity to conserve water in our drying climate and the requirement to comply with the 2003 edition of the plumbing standards AS/NZS 3500, it is vitally important to pipe size the supply of cold water to all outlets correctly.

Building and Energy

Technical standards

Last updated 22 May 2014

First published 13 Mar 2014

Last modified: Thursday, May 22, 2014 - 13:31

Government of Western Australia
Department of Energy, Mines, Industry Regulation and Safety

Public, consumers and employees

Business, corporate and industry

Online Services

Apply

Renew

Notify

Complaints

Pay

Licence search

Plumbers' technical note – Pipe sizing and commissioning

Contact Building and Energy

Visit us

Stay informed

Our divisions

Quick access

Need assistance?

Website feedback

Australian Business Number

Public, consumers and employees

Business, corporate and industry

Online Services

Apply

Renew

Notify

Complaints

Pay

Licence search

Search:

Plumbers' technical note – Pipe sizing and commissioning

Contact Building and Energy

Visit us

Stay informed

Need assistance?

Website feedback

Australian Business Number