NR TWI 2G004
How to Measure Voids
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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 use Pell voidmeters for the preparation of measured shovel packing and general track maintenance.
It is not intended to cover the use of voidmeters in connection with derailment surveys.
See also separate instructions:
TWI 2P021 How to recognise longitudinal timber deterioration.
TWI 2T013 How to lift and pack plain line
Document History
NR TWI 2G004
March 1, 2005
How to Measure Voids
Introduction
This Track Work Instruction covers how to use Pell voidmeters for the preparation of measured shovel packing and general track maintenance.
It is not intended to cover the use of...