To continue construction of the right abutment section of the dam above the trestle level, the contractor erected a side hill bracket gantry crane which traveled on the upstream rail of the trestle deck and on a rail 36 feet higher, in a recess along the downstream face of the dam.
Description
To continue construction of the right abutment section of the dam above the trestle level, the contractor erected a side hill bracket gantry crane which traveled on the upstream rail of the trestle deck and on a rail 36 feet higher, in a recess along the downstream face of the dam.