NR TWI 3G002
How to Decide on an Appropriate "Condition of Track" Speed Restriction
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| Organization: | NR |
| Publication Date: | 1 March 2005 |
| Status: | active |
| Page Count: | 3 |
scope:
Introduction
Clogged ballast and blocked drains This Track Work Instruction sets out guidelines by which you will be able to recommend an appropriate 'condition of track' (COT) speed restriction.
COT speed restrictions may be applied to reduce the risk of a derailment. They may also be used to extend the life of track and components, pending renewal, thus easing maintenance and will mitigate damage in the event of a derailment.
See also separate instructions:
TWI 3G001 How to decide on a differential speed restriction
TWI 3G007 How to calculate EMGT & use the track category matrix.
TWI 3T039 How to interpret TRC traces
Document History
NR TWI 3G002
March 1, 2005
How to Decide on an Appropriate "Condition of Track" Speed Restriction
Introduction
Clogged ballast and blocked drains This Track Work Instruction sets out guidelines by which you will be able to recommend an appropriate ‘condition of track’ (COT) speed restriction....