Now the North Dock has gone where are they planning to stable locomotives?
As far as I can recall, articles I read earlier on this project referred to use of the south dock, accessed from Peartree via St Andrew's siding. They may use Chaddesden sidings or a siding in Etches Park I suppose if the south dock is too fiddley operationally...…… my conjecture though, don't quote me!
On a separate note, I have noted that Chaddesden curve is used daily for some terminating trains from the south to be recessed out of the platforms before returning to a platform for their next journey...
On platforms 3 and 4, the B end is often used by shorter peak terminating DMUs from Nottingham direction, and a lot of the Crewe trains, which allows revering cross-country DMUs from Nottingham and the Birmingham direction to still use the A end. I have been watching the Open Train Times signalling map of Derby in the past few days and so have witnessed it myself in a remote internet way!
In all, to me it looks a really good solution to the previous capacity problems, especially at the south end of the station. Trains towards Belper and Peartree can usually clear the platforms and be held to permit the correct sequence of trains in those directions to be maintained without platform blocking which again eases capacity and time keeping issues.