| Centerline
Gmbh is based in a 450 sq m dedicated facility at Wesel, Germany,
close to the heart of the European pipejacking region. This geographical
proximity has helped the company develop a special area of expertise
in surveying curved tunnel and pipejack drives, having supplied
nearly 200 pipejacking and microtunnelling projects involving some
90 km of installations. These have been driven on a variety of different
radii, severely testing the capability of Centerline survey equipment. |
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on the images to enlarge
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SDV-LSW
is a simple, favourably priced, modular design system for data
acquisition and tunnel drive control. A laser with electronic
hose levelling equipment enables precise, refraction-free control
of straight pipe drives, providing information about position,
height, direction, inclination and roll.
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SDV13
is a guidance system for microtunnelling and pipe jacking machines
which enables the precise navigation of horizontally and vertically
curved and long-distance drives using gyro and electronic hose
levelling technology. Precise control information is given for
position, tendencies, inclination and roll.
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| SDV13
is so accurate that it reduces check survey to a minimum. The
modular structure of this system allows the integration of various
sensors for the acquisition of additional data such as pressures
and strokes of main jack, interjacks and steering cylinders in
order to provide complete documentation of the tunnelling process.
SDV-WW
is an electronic hose levelling instrument for precise elevation
determination in pipejacking advances.
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SDV-Bento
is a system of hardware and software for automatic bentonite
control, which provides pressure or quantity on both segmental
and continuous basis, monitored and controlled from a PC or
control panel.
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Centerline has also developed communication systems specifically
for tunnel and construction sites. Tunnel intercom systems
can be installed at any desired location. Video monitoring
of any area can be undertaken using strategically-placed and
well-protected mini-cameras which can record more than a week's
activity on a single cassette.
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Centerline also provides tailor-made solutions for special problems
associated with lengths, pressures, controls and quantities in
pipejacking and microtunnelling.
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