NR TWI 3B009
How to Assess the Suitability of Stone
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| Organization: | NR |
| Publication Date: | 1 March 2005 |
| Status: | active |
| Page Count: | 3 |
scope:
Introduction
This Track Work Instruction covers assessing the suitability of stone for general track work.
It covers what to look for in new stone and also in stone recovered during track work.
See also the separate instruction:
TWI 2B008 How to recognise ballast type
Document History
NR TWI 3B009
March 1, 2005
How to Assess the Suitability of Stone
Introduction
This Track Work Instruction covers assessing the suitability of stone for general track work.
It covers what to look for in new stone and also in stone recovered during track work....