g12

Acceptable Solutions and Verification Methods For New Zealand Building Regulations Clause G12 Water supplies

All content related to G12 Water supplies

3rd edition, amendment 12

Current version: Effective from 27 June 2019

 

Acceptable Solutions and Verification Methods (AS and VMs) were called compliance documents. Some still have the “compliance document” title but the AS or VMs they contain are valid and unaffected by the name change.

3rd edition, amendment 11

Concurrent version: Effective from 30 November 2018 until 31 October 2019

 

Acceptable Solutions and Verification Methods (AS and VMs) were called compliance documents. Some still have the “compliance document” title but the AS or VMs they contain are valid and unaffected by the name change.

3rd edition, amendment 10

Effective from 1 January 2017 until

 

Acceptable Solutions and Verification Methods (AS and VMs) were called compliance documents. Some still have the “compliance document” title but the AS or VMs they contain are valid and unaffected by the name change.

Eight referenced Standards are updated to the latest versions and BS EN 1567:1999 is referenced. Minor corrections, clarifications and consequential changes from updating Standards are made to G12/AS1 and G12/AS2.

Cited content in this document can be found on the Building RegulationsHub website.

3rd edition, amendment 9

Effective from 14 February 2014 until 30 May 2017

 

Acceptable Solutions and Verification Methods (AS and VMs) were called compliance documents. Some still have the “compliance document” title but the AS or VMs they contain are valid and unaffected by the name change.

All of the Acceptable Solutions and Verification Methods relating to G12 are contained in one document.

  • G12/VM1 provides a Verification Method for the design of water supply systems.
  • G12/AS1 applies to below and above ground piped water supply systems. It details cross connection hazards, backflow prevention, air gap separation, water tanks, flow rates and equipotential/earth bonding.  It includes hot water supply systems, climates subject to freezing and seismic restraint.
  • G12/AS2 applies to solar water heaters installed in or on buildings. 

3rd edition, amendment 8

Effective from 10 October 2011 until 14 August 2014

 

Acceptable Solutions and Verification Methods (AS and VMs) were called compliance documents. Some still have the “compliance document” title but the AS or VMs they contain are valid and unaffected by the name change.

3rd edition, amendment 7

Effective from 30 September 2010 until 10 October 2011

 

Acceptable Solutions and Verification Methods (AS and VMs) were called compliance documents. Some still have the “compliance document” title but the AS or VMs they contain are valid and unaffected by the name change.

3rd edition, unamended

Effective from 1 December 2007 until 30 June 2010

 

Acceptable Solutions and Verification Methods (AS and VMs) were called compliance documents. Some still have the “compliance document” title but the AS or VMs they contain are valid and unaffected by the name change.

2nd edition, amendment 6

Effective from 23 June 2007 until 1 December 2007

 

Acceptable Solutions and Verification Methods (AS and VMs) were called compliance documents. Some still have the “compliance document” title but the AS or VMs they contain are valid and unaffected by the name change.

2nd edition, amendment 5

Effective from 25 February 2004 until 23 June 2007

 

Acceptable Solutions and Verification Methods (AS and VMs) were called compliance documents. Some still have the “compliance document” title but the AS or VMs they contain are valid and unaffected by the name change.

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