scope:

This document covers the HABD equipment types listed below on Network Rail Infrastructure and those staff involved in the corrective maintenance of these assets.

• Cyberscan 2000(TRIM II),

• Servo 7788 & 7789,

• Servo 7788R & 7789R,

• Servo 8889, Servo 8889R,

• Servotrim 9909.

Any other manufacturer or type of HABD system is not covered by this SMP and will follow the normal failure escalation process as per NR/L3/SIG/SG0054.

Purpose

This document covers the failure escalation process for failures of HABD equipment on Network Rail infrastructure.