11. To this end, the goods shed was extended with a two-road building including an inspection pit . 12. There were an engine siding and inspection pit behind the signal box, which was at the station throat. 13. In 1860, the GWR added a turntable shed, with 28 access tracks all with their own inspection pits . 14. Adjacent to the arrival road inspection pits and a timber framed stores building clad in corrugated iron was also provided. 15. The works contained a single road, a piece of track over an inspection pit allowing work underneath the locomotive. 16. A short extension of the tunnel beyond the east loop provided train storage and a couple of inspection pits for light maintenance. 17. In 1968 the old coaling stage was converted into a two-road shed with an inspection pit to hold both acquired locomotives. 18. The outside cylinders allowed her to be serviced without the use of an inspection pit , and Bagnall-Price valve gear was fitted. 19. Part of one of the 1865 roundhouse inspection pits uncovered in archaeological excavations is also preserved " in situ ", under glass. 20. Hitachi submitted planning documents in 2011; the main large maintenance shed was planned to be re-used with the addition of an inspection pit .
