This Supplementary Code relates to B3.1.1.01 – Mechanical Code Of Practice, Section 3.17 – Materials. It contains NZ Railways Mechanical Branch Code 91 – Carbon Steel Castings; Issue 2 of 29/04/1960, which contains information relevant to the uses of carbon steel castings in railway work. Operators are to use those sections that are relevant to their operation.

Code number B3.1.2.05

Version 1

Effective date 27 June 2006