BMH Semi-Gantry Crane

Inside workshop, semi-gantry is available. The top end carriage runs on runway, while bellow end carriage run on the ground. Semi-gantry crane is kind of full gantry crane, and has  the same features of full gantry crane. Semi-gantry cranes are suitable solution for the area in which overhead runways are not practical,and also impossible to build double track for crane traveling.