He keeps Lady here after she crashed from Diesel 10 (P.T. Boomer in the original cut) and tried to fix Lady, but could not get her to work until his granddaughter Lily told him that she needs Sodor coal.
Some items Burnett kept in the place aside from Lady are tools, a toy model, painting and blueprints of the lost engine.
The only people that knew where the workshop is are Patch, Lily and Mutt.
There is also a tunnel, which leads to the Magic Railroad.