If the downshop structure is already installed, the following parts are available for self erection (For sale to the end user and within the trade):
Crane bridges (complete)
End carriages: (Overslung: Push, Geared, Electric), (Underslung: Push, Geared, Electric)
Spare parts for hand geared cranes
Crane control panels
Note:
Advice can be given for design of downshop steelwork.