NR/GN/TRK/9023 ISSUE 1
Tri Metallic Zone Weld Repair
active, Most Current
| Organization: | NR |
| Publication Date: | 5 March 2022 |
| Status: | active |
| Page Count: | 15 |
scope:
This procedure applies to weld repairs to tri-metallic zones.
The requirements for weld repairs to Tri Metallic Zones can be found in NR/L2/TRK/0132 Mod02 Clause 6, Repairs to Tri-Metallic Welds (TMZ) on AMS crossing leg end extensions.
NOTE: Weld repairs to tri-metallic zones (TMZ's) are not permitted within 300mm of the stainless-steel insert on the 260-grade rail or 20mm on the AMS grade rail.
Purpose
To provide a repair procedure within tri-metallic zones to improve asset life, availability, and cost saving.
Document History
NR/GN/TRK/9023 ISSUE 1
March 5, 2022
Tri Metallic Zone Weld Repair
This procedure applies to weld repairs to tri-metallic zones.
The requirements for weld repairs to Tri Metallic Zones can be found in NR/L2/TRK/0132 Mod02 Clause 6, Repairs to Tri-Metallic Welds...