Post by snoggle on Feb 6, 2019 14:24:24 GMT
Perhaps the solution here would be to reduce one other unit - and use it on GOBLIN during weekends only.
It is a small loss of weekday capacity elsewhere, but would allow better weekend service on GOBLIN route.
I don't think TfL can release another unit. They are basically forcing Arriva Rail London and Bombardier to run on wafer thin maintenance margins across the entire non West Anglia Overground routes as it is. This sort of operation is not really sustainable for a long period of time. It only takes one accident or one mildly serious unit failure that can't be resolved quickly and then there's virtually no cover for a fleet of 57 trains. That's a rather silly approach to take given most fleets work on around 12-15% spare cover. There's also little variation these days between the peak and off peak service level so it's not as if trains go back to depot in the inter peak where they can receive some attention.
I've seen a speculative remark elsewhere suggesting the 710s may not be certified for use for at least another 4 months. Chuck in driver training time on top of that and you're looking at August or possibly September before a 710 runs in passenger service. Trying to run the GOBLIN with 3 4-car units daily for 6+ months with only overnight maintenance attention doesn't look a very wise thing to do. Something has to give and cutting the weekend service is the only real option to ensure the 378s receive the required maintenance attention.