scope:

This paper contains data for the restoration of axle counter sections from a VDU MMI system via a Solid State Interlocking. Additional data constructs for providing controls from an NX panel have now been included.

Purpose of Paper

The purpose is to gain approval of additional SSI data solutions for the implementation of axle counter reseVrestore and EPR application and removal for NX panel controlled systems.

The document is divided into three sections:-

Part A - Core Restoration Data

Part B - Sequential Proving of Tracks at Interlocking Boundaries

Part C - Pre-Planned Override of Aspect Restriction associated with Axle Counter Restoration