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Sustainable solutions for the cities of the future – Pollutec 2016
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Tuesday December 6th, 2016
Rising to the environmental challenge posed by construction-site spoil, we have sought to offer a reliable, safe solution for optimising resources.
A consortium consisting of Bouygues Travaux Publics, Soletanche Bachy, and Suez has been tasked with building a new metro station (Fort d’Issy-Vanves-Clamart) that will form part of the planned Line 15 underground rail bypass encircling Paris. In the long term, this new line should unclog the Parisian public transport network and serve the surrounding departments efficiently. Here we take a look at the solutions we have devised in partnership with Suez.
How could we manage the 43 million tonnes of spoil produced by construction of the Grand Paris Express transport line ? How could we rise to this serious environmental challenge? Among other fields, Suez has long specialised in handling contaminated land and recovering earth. It has shared this area of expertise with Bouygues Travaux Publics, Soletanche Bachy, and the Société du Grand Paris (public body in charge of new infrastructure in the Parisian conurbation).
In total this complex project involves:
– 180,000 tonnes of earth examined then excavated at depths reaching 40 metres and volumes reaching 1000m3 per day.
– two thirds of this earth is unaffected or only slightly affected by pollution naturally existing in deep-lying earth.
Suez ensures optimal recovery of the earth and helps reach the target set by the Société du Grand Paris: to recover 70% of the spoil.
For more information on the Grand Paris Express site click here:
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