Approved Code Of Practice For Operator Protective Structures On Self-Propelled Mobile Mechanical Plant 

AS/NZS 1554.1:1995 Structural steel welding - Welding of steel structures

SUPERSEDED
7.5 WELDING REQUIREMENT STANDARDS
Any welding of the structure and attachments is to be undertaken only by a currently certified welder and must comply with the requirements of the NZ Standards such as AS/NZS 1554.1.1995.