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Scotland

Giant Tunnel Boring

Machine For Glasgow

T

he £100m Shieldhall Tunnel, which at 3.1 (5 km)

miles long will be five times longer than the

Clyde Tunnel and at 4.7 metres in diameter big

enough to fit a double decker bus inside, will run be-

tween Craigton and Queen’s Park.

It is a key part of Scottish Water’s £250m, five-year

programme of work, launched in 2013, to improve river

water quality and the natural environment and tackle

flooding - the biggest investment in the Greater Glasgow

area’s waste water infrastructure in more than a

century.

The project will use a giant, state-of-the-art Tunnel

Boring Machine (TBM) which will construct the biggest

waste water tunnel ever to be built in Scotland.

The 1000 tonne, 180 metre-long TBM, by German

company Herrenknecht, reached a key stage recently

when the cutting head was put in place at the front of

the machine and the factory test was conducted.

The team involved in the Shieldhall Tunnel for Scottish

Water, known as the Glasgow Tunnel Partnership, is a

commercial joint venture between Costain and VINCI

Construction Grands Projets called CVJV, with additional

local partners George Leslie and AECOM. Technical sup-

port is being provided by CH2M.

CVJV’s preparatory work on the Shieldhall Tunnel is

progressing and is nearing completion. The TBM has

been brought in several parts from Germany to Scotland.

The front sections of a giant, state-of-the-art Tunnel

Boring Machine (TBM) have arrived in Glasgow ahead

of the construction phase of the biggest waste water

tunnel in Scotland.

The 360 tonnes front sections of the TBM, built in

Germany, were transported by sea to Rosyth and brought

by lorries under police escort along the M8 in central

Glasgow to the project site at Craigton in the south west

of the city.

Kobelco heavy-duty crawler crane was used during

excavation of two shafts down which the TBM will

eventually be lowered.

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