It seems that flicker site is Pitheadgear's site
on looking at the map of the shafts I went on to google earth to see if anything remained , in the corner of the screen was street view when I clicked on it , I was shocked to see the entrance to Mercedes Benz Retail ,on Viaduct street ,somewhere I have contracted for , for over ten years;D
There is still a fair bit of open ground around that area , so I might have a mooch