26-08-2011, 11:06 AM
Thanks for your comments
to be honest, I overlooked the fact that all points are motor worked and saw a mechanical layout and automatically thought FPL.
Jerry
I can't see the benefit of pilot working etc if a signalled route was available; you would incurr delays in waiting for the pilotman to arrive and also delays in the signaller having to communicate with the pilotman. Also this method of working is also inherently riskier than signalled moves. However, I accept that to describe one degraded method involving signalled moves and another with pilotworking would display a greater depth of knowledge to the examiner rather than two fairly similar method of working.
Re the risks, you are right that there are marks to be gained for mentioning 'unseen' risks such as fatigue, unusual working pattern etc which I missed.
With risk No. 4 the point I was trying to make was that train might regularly be coming in and out of the siding with the Up Loop unoccupied, degraded working mens a greater chance of the Up Loop being occupied with a train being signalled out of the siding in error.
to be honest, I overlooked the fact that all points are motor worked and saw a mechanical layout and automatically thought FPL.
Jerry
I can't see the benefit of pilot working etc if a signalled route was available; you would incurr delays in waiting for the pilotman to arrive and also delays in the signaller having to communicate with the pilotman. Also this method of working is also inherently riskier than signalled moves. However, I accept that to describe one degraded method involving signalled moves and another with pilotworking would display a greater depth of knowledge to the examiner rather than two fairly similar method of working.
Re the risks, you are right that there are marks to be gained for mentioning 'unseen' risks such as fatigue, unusual working pattern etc which I missed.
With risk No. 4 the point I was trying to make was that train might regularly be coming in and out of the siding with the Up Loop unoccupied, degraded working mens a greater chance of the Up Loop being occupied with a train being signalled out of the siding in error.