Name:
NR NR/GN/TRK/9023 ISSUE 1 PDF
Published Date:
03/05/2022
Status:
[ Active ]
Publisher:
Network Rail
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.
| Edition : | 1 |
| File Size : | 1 file , 460 KB |
| Number of Pages : | 15 |
| Published : | 03/05/2022 |