Name:
NR TWI 2B003 ISSUE 1 PDF
Published Date:
03/01/2005
Status:
[ Active ]
Publisher:
Network Rail
Introduction
This Track Work Instruction covers the preparation of trial holes used for assessing the condition of ballast and formation.
These holes are normally used to provide additional information when a relaying inspection is being carried out.
See also the separate instruction:
TWI 3B001 How to dispose of contaminated ballast
TWI 3C023 How to decide on, & interpret, inspection sleepers
| Edition : | 1 |
| File Size : | 1 file , 64 KB |
| Number of Pages : | 3 |
| Published : | 03/01/2005 |