Name:
NR TWI 3B002 ISSUE 1 PDF
Published Date:
03/01/2005
Status:
[ Active ]
Publisher:
Network Rail
Introduction
This Track Work Instruction covers how to decide on the minimum depth of ballast in situations where it is not possible to achieve full depth to Network Rail Company Specifications.
See also separate instructions:
TWI 3B003 How to understand blanket design
TWI 3B010 How to assess the condition of ballast
TWI 4G014 How to understand the Track Category Matrix
| Edition : | 1 |
| File Size : | 1 file , 63 KB |
| Number of Pages : | 2 |
| Published : | 03/01/2005 |