South Downs
Railway

Concept of Operations


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Overview

Concept of Operations

Roles & Responsibilities

Examples of ops

Timetable

 

Portsmouth Station

This is a complex terminus station. This is intended to be a major terminus, with "big station" facilities and some goods facility.

  • The PC will control train movement to and from platforms.

  • For DMU type trains, no human intervention will be needed. 
  • For locomotive and coach trains, a human operator will be able to swap locos around etc. 
  • There should be some scope for other operations (shunting, loco swapping, parcels, maybe a turntable for visiting steam locos).
  • There is also a small goods yard, to allow some shunting operations.

Eastleigh Depot

This is an oil depot. This has three roads where trains of bogie oil tankers will sit while fuel is unloaded from them.

  • A locomotive (class 66 probably) will arrive with a train of full oil tankers

  • It will then collect a trainload of empties and depart.
  • A shunter will be available to do whatever it needs to. For example it may need to take a brake van off the back of the train that arrived, and put it onto the other end of the next set of tankers so they are ready to depart.

  1. The PC will drive a train into one of the available roads, and stop it. 

  2. The human operator will remove the loco, and couple it onto the front of "empties" to make that train ready to go.
  3. The PC will then drive the "ready to go" train away a while later. 
  4. The human operator will then use the shunter to move the brake van to the other end of the train that arrived, while its fuel is transferred out.

Clanfield Station

This is a simple terminus station limited to DMU type trains. There are no facilities for locomotive swapping, goods, parcels, carriage sidings etc.

  • This is appropriate for fully automatic operation.

  • A PC will drive in a train to an available platform
  • The PC will drive trains away from available platforms.

Fiddle Yard, Track Loops

These are part of the main track loop. All train movements will be under PC control.

  • The fiddle yard ultimately limits us to trains of approx 1.25m length. That corresponds to loco + 8 coaches (there are other restrictions elsewhere).

  • The fiddle yard has an additional road for trains to be loaded  & unloaded to/from some kind of cassette. This is implemented as a siding.
  • The fiddle yard anticlockwise leads to a reverse loop, emerging in front of Petersfield Station.
  • There is a reverse loop with two additional storage roads under Clanfield station
  • There are two storage roads under Eastleigh.

 

Petersfield Station

This is part of the main track loop. Four of the platforms are part of the main line. Two platforms are available in each direction, allowing trains to pass each other. A third terminus platform is also available.

All train movement, stopping etc will be by PC control.

 

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