international
construction
june 2014
FOUNDATIONS
54
Piling it on
Meanwhile, in Hong Kong Bauer has been involved in the
construction of theworld’s longest bridge overwater – the Pearl
Delta.
The 50 km Pearl Delta Bridge will connect Hong Kong,
Macao and Zhuhai. Local foundation subsidiary Bauer Hong
Kong has been contracted for the installation of offshore bored
piles for the Hong Kong Link Road (HKLR) – a 10 km long
section running from the border with China to Hong Kong
international airport. Piles measuring 2.3 m and 2.5 m in
diameter and up to 115m longwill be installed in rock.
The drilling work must be performed at sea, with Bauer
commissioning five BG 40 rotary drilling rigs for the job. Four
of the rigs have been custom-built for the project and feature
longermasts and largermainwinches than usual.
The foundation works have also required the use of ships for
each of the rigs, while floating pontoons have been used for
four bentonite plants and for 300 tonne duty cycle cranes and
accessories. More than 100 drilling tools have been assembled
at the construction site. Work is scheduled for completion in
December 2014.
Strong foundations are the backbone of the construction
industry. New technologies are helping to pave the way for
faster, safer andmore stable construction in the future.
iC
Bauer Hong Kong
is using floating
pontoons to carry
four bentonite
plants and for
300 tonne duty
cycle cranes and
accessorieswhile
it works on the
foundations of the
Pearl Delta Bridge.
In Saudi Arabia,
Bauer used
modified BG 40
rotary drilling
rigs to drive piles
measuring 110m
into the ground
for the Kingdom
Tower raft piling
foundations in
Jeddah.
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