NR TWI 3B010
How to Assess the Condition of Ballast
active, Most Current
Buy Now
| Organization: | NR |
| Publication Date: | 1 March 2005 |
| Status: | active |
| Page Count: | 4 |
scope:
Introduction
This Track Work Instruction covers how to assess the condition of ballast using both visual and direct investigations.
See also separate instructions:
TWI 2B003 How to prepare trial holes
TWI 2B008 How to recognise ballast type
TWI 3B005 How to recognise & manage ballast failure
TWI 3B009 How to assess the suitability of stone
Document History
NR TWI 3B010
March 1, 2005
How to Assess the Condition of Ballast
Introduction
This Track Work Instruction covers how to assess the condition of ballast using both visual and direct investigations.
See also separate instructions:
TWI 2B003 How to prepare trial...