NR TWI 2P002
How to Drill Other Than Normal Grade Rail
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| Organization: | NR |
| Publication Date: | 1 March 2005 |
| Status: | active |
| Page Count: | 3 |
scope:
Introduction
This Track Work Instruction covers how to drill fishbolt holes in rail that is not normal grade steel. i.e. the steel is harder.
This instruction assumes that the person, or persons, doing the drilling have been trained and are fully certificated to carry out such a task.
See also separate instructions:
TWI 2G011 How to use a rail drill
TWI 2P007 How to identify rail section & steel
Document History
NR TWI 2P002
March 1, 2005
How to Drill Other Than Normal Grade Rail
Introduction
This Track Work Instruction covers how to drill fishbolt holes in rail that is not normal grade steel. i.e. the steel is harder.
This instruction assumes that the person, or persons,...