GSF Constellation I jack up

It was one of two identical rigs built at the PPL Shipyard in Singapore and delivered in June 2003.
The 40 ft x 40 ft x 170 ft derrick provides a static hook load of 1.6 million lb, 3,000-hp drawworks, and houses a National Oilwell power swivel top drive. The 108-ft-long cantilever has a 75-ft reach (behind the transom) and 15-ft potential transverse movement.
The legs are 548 ft long, set on 59-ft-diameter spud cans, allowing the rigs to work in 400-ft water. Accommodation quarters for 120 people wrap around the forward leg.