Caldwell Group has supplied a 23 m-long, 23-tonne capacity lifting beam for use at a highway construction project in Philadelphia, USA.

The Philadelphia Department of Transportation (PennDOT) contracted James J. Anderson Construction (JJA) to construct a 2-mile (3.2 km) elevated roadway with ramps, drainage, and associated utilities.

Caldwell Group delivered the two-piece beam to JJA, which was used beneath the hook of a 249.5-tonne capacity Grove mobile crane to lift the reinforcing bar cages.

The cages weighed as much as 20.9 tonnes and measured up to 25.9 m in length.

Caldwell also supplied a pair of two-leg chain slings that were installed above the beam and rigged at angles, and are designed to share the load when both sections of the lifting beam are bolted together. The synthetic slings above (connected to the crane’s hook) and beneath the beam (connected to the cages) were supplied by JJA.

The project is due for completion next year.