Hawks crawler cranes on UK tunnel project
Rental specialist Hawks Crane Hire supplied four Kobelco crawler cranes for a road tunnel project in the UK.<br /> The lattice boom crawler cranes are a pair of 250 tonne capacity CKE2500-G s and two 100 tonne CKE900G-3s. First of the four to be delivered was one of the smaller models, in January 2021, while the final unit, the second 250 tonner, was delivered in June 2022.
Rental specialist Hawks Crane Hire supplied four Kobelco crawler cranes for a road tunnel project in the UK.
The lattice boom crawler cranes are a pair of 250 tonne capacity CKE2500-G s and two 100 tonne CKE900G-3s. First of the four to be delivered was one of the smaller models, in January 2021, while the final unit, the second 250 tonner, was delivered in June 2022.
They are working on Transport for London’s £1 billion (US$1.18 billion) Silvertown Tunnel project. A new 1.4 km twin-bore road tunnel will link Silvertown with the Greenwich Peninsula in east London. It is the first tunnel under the river Thames in more than 30 years. Main contractors are Bam Nuttall with sister company Wayss& Freytag Ingenieurbau, FerrovialAgroman and SK E&C.
Both CKE2500G-2s were delivered with 48 metre booms, one with a 100 tonne hook block and the other a 70 tonne block. Capacity at a 15 metre radius is 50.5 tonnes.
Site restrictions meant there were operational challenges to deal with, according to Elliot Hawkins, Hawks Crane Hire sales director, “The main boom for both machines had to stay under the overhead Emirates cable car, which runs across the site, and also had to be slew restricted due to the adjacent Docklands Light Railway (DLR) lines running parallel with the site, with Kobelco’s slew restrictors coming in very handy during operations.”
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