NR TWI 3S038
How to Define and Measure the knuckle stagger
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| Organization: | NR |
| Publication Date: | 1 March 2005 |
| Status: | active |
| Page Count: | 2 |
scope:
Introduction
This Track Work Instruction covers how to measure the stagger in an obtuse crossing and then check that it is correct.
Thermal movements, or other factors, can cause creep that may r alter the stagger. This will cause incorrect gauge!
If timbers, and/or rails, are being changed it is essential to ensure that they are installed with the correct stagger.
See also the separate instruction:
TWI 2S045 How to regauge S&C
Document History
NR TWI 3S038
March 1, 2005
How to Define and Measure the knuckle stagger
Introduction
This Track Work Instruction covers how to measure the stagger in an obtuse crossing and then check that it is correct.
Thermal movements, or other factors, can cause creep that may r...