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Accueil > References / Realisations > SEA OUTFALL PP330 – LARVOTTO – 2018

SEA OUTFALL PP330 – LARVOTTO – 2018

  • Nature of the works: Diversion of the PP330 sea outfall pipe.
  • Contracting authority: S.A.M. Anse du Portier
  • Designer: BOUYGUES TP MONACO
  • Time Frame: 8 months

Services and main quantities:

  • - Temporary diversion of the PVC pressure and HDPE pipe diam. 315 : 100 ml
  • - Removing/installing stone blocks of 4/8T
  • - Drilling and blasting the concrete protection with a hydraulic hammer
  • - Removal of an existing steel outfall of diam. 1000
  • - Transportation of sections of the outfall from La Seyne sur Mer to Monaco (mirror welding of sea outfalls in La Seyne sur Mer)
  • Steel coating of pipe
  • Installation of 2 sections of the outfall in HDPE of diam. 1400 : 60 ml
  • Underwater saddle connections
  • Cathodic protection of the elements
  • Concrete protection perpendicular to the future “Port d’Animation” quay: 40m3
  • Backfill 5/50 : 700T then riprap 4/8T
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