PRODUCT OWNER
SYMISCA
CONSTRUCTOR
SUEZ
COMPANY(IES)
Bonna TP / Pfeiffer
CONSTRUCTION DATE
2019-2020
LOCATION
Cagnes-sur-Mer (06)
The construction project to build the new wastewater treatment plant (WWTP) in Cagnes-sur-Mer, Southern France included replacing the existing DN800 steel sea outfall.
The chosen solution consisted of supplying and laying a DN1000 Bonna Reinforced Concrete Cylinder Pipe (RCCP) sinker pipeline with SL joints laid from a jacking shaft.
The road and beach in front of the WWTP were crossed by microtunnelling a DN1600 concrete duct which served as a sleeve for the DN1000 Bonna RCCP outfall.
The end of the outfall pipe is laid at a depth of 100 metres.