NZS 5258:2003A1

Issued to address anomalies identified during the implementation of the Standard. Changes have been made to the definition of 'regulator'. A requirement to check the pressure directly prior to commissioning a system has been included, together with more specific details relating to the decommissioning of equipment. The difference between large and small commercial premises has been considered in more detail. Appendix J has been restructured incorporating rules for hazardous areas and requirements for LPG.