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In 2012 the Greek State awarded Intrakat the Aposelemis Tunnel, an approx. 3.5 km long, tunnel inclined at 15% accommodating a 1.8 m diameter steel pipe to convey water from the Lassithi Plateau to the reservoir impounded by the Aposelemis dam about 600 m below for the drinking water supply of Heraklion and Agios Nikolaos in Crete. The project is regarded as an environmental project and as such is...
The selection of the correct method of tunnelling from the contractor's point of view mostly depends on its chance to survive the competition of the marketplace, in addition to a host of technical constraints. The tendering and award conditions also decisively influence whether the technically and economically optimal solution is chosen.
There are also other factors like the market situation, availability...
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