NR TWI 2B001
How to Open out and Box in
active, Most Current
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| Organization: | NR |
| Publication Date: | 1 March 2005 |
| Status: | active |
| Page Count: | 5 |
scope:
Introduction
This Track Work Instruction covers removing the ballast from a bay down to sleeper bottom (opening out) and filling in a bay after opening out (boxing in)
See also separate instruction
TWI 2B004 How to regulate ballast by hand
TWI 3B001 How to dig out (and dispose of) contaminated ballast
Document History
NR TWI 2B001
March 1, 2005
How to Open out and Box in
Introduction
This Track Work Instruction covers removing the ballast from a bay down to sleeper bottom (opening out) and filling in a bay after opening out (boxing in)
See also separate instruction...