construction kicks off
As part of the restructuring of the Seine Aval waste water treatment station at Achères, SIAAP has contracted the Bessac/Urbaine de Travaux/Sade consortium to build the LH3 waste water tunnel.
The tunnel will convey effluent from the future primary settling unit to the bio-filtration unit.
July 2017 – CAP’s system has been installed on the Nicole TBM, which has started boring the 1,120-metre-long tunnel. The TBM has a span of 5.88 metres and is operated by Bessac (Vinci Group).