NR TWI 2B007
How to Dig Out Contaminated Ballast
active, Most Current
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| Organization: | NR |
| Publication Date: | 1 March 2005 |
| Status: | active |
| Page Count: | 2 |
scope:
Introduction
This Track Work Instruction covers the excavation of contaminated ballast.
See also the separate instruction:
TWI 3B001 How to dispose of contaminated ballast
Document History
NR TWI 2B007
March 1, 2005
How to Dig Out Contaminated Ballast
Introduction
This Track Work Instruction covers the excavation of contaminated ballast.
See also the separate instruction:
TWI 3B001 How to dispose of contaminated ballast