Dorman Long Technology
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Sheikh Jaber Al Ahmed Al Sabah Causeway Project – Doha Link, Kuwait
In 2015 DLT were awarded the contract by Qinhuangdao Tianye Tolian Heavy Industry & Technology Co of China for detailed design of a bridge deck erection gantry (also known as a launching gantry or launching girder), and design check of a transporter and a pair of straddle carriers for the Sheikh Jaber Al Ahmed Al Sabah Causeway Project – Doha Link, Kuwait. The Doha Link is a 12.43 km sea crossing with twin parallel decks and is constructed from precast concrete deck beams supported on cast in-situ piers. The straddle carriers, transporter and gantry were all designed to handle precast concrete bridge deck beams weighing up to 1700 tonnes and with a span range of 30m to 60 m. The first span was erected in September 2016.

Video of the gantry operating sequence....
Launching gantry erecting the first short span.....
Doha link bridge deck erection gantry launching gantry launching girder
2 x 850 tonne capacity straddle carriers and the transporter in the casting yard with the first span......
Doha link straddle carriers