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Accueil > Références / Réalisations > Anse du Portier (Portier’s Cove): Sea Outfall – R300 Larvotto – Monaco – 2017

Anse du Portier (Portier’s Cove): Sea Outfall – R300 Larvotto – Monaco – 2017

  • Nature of the structure : Deployment of the sea outfall of the Larvotto rainwater network
  • Contracting authority : Public Works Department
  • Designer : BOUYGUES TP MONACO
  • Time frame : 10 months

Services and main quantities

  • Removing / installing stone blocks of 8 / 10T: 3,500T by sea
  • Upstream connection to the chamber: 30 ml nozzle core sheet metal diam. 2,200
  • Storm water overflow- 20m x 10m x 6m: Work cast in place
  • Ballast footing from -3m to -3.0m deep: 2,600 m² in ballast of 20 / 40mm, adjusted to + - 10cm by divers
  • Sea outfall: 295 ml nozzle core sheet metal diam. 2,500
  • Overflow at sea: 30 ml nozzle core sheet metal diam. 2,500
  • Laying of 129 ballast mats of 10T / U: 13ml x 2m x 0.15m
  • Removal of an existing steel outfall of diam. 2,000: 300 ml
  • Establishment of cathodic protection
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