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FWP 2017 l Lucile HERITIER, Port of Brest


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FWP 2017 l Lucile HERITIER, Port of Brest
“Port facilities, supporting every stage of floating wind development”

Published in: Environment
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FWP 2017 l Lucile HERITIER, Port of Brest

  2. 2. 2 TO WELCOME FLOATING WIND CONSTRUCTION ACTIVITY, A CHALLENGE FOR A PORT § To have wide surfaces for the construc2on of machines § To load out the float § To assemble the turbine quayside § To store the floa2ng wind turbines
  3. 3. 3 AT BREST PORT, A DEDICATED TERMINAL IS UNDER CONSTRUCTION TO FACE THESE ISSUES Drydock 2 338m x 55m Drydock 3 420m x 80m MRE Terminal
  4. 4. 4 Drydock 3 420m x 80m MRE Terminal
  5. 5. 5 WIDE SURFACES TO BUILD THE MACHINES Forme de radoub 2 338m x 55m Industrial plaIorms 40ha
  7. 7. 7 TO LOAD OUT THE FLOAT MRE quay: 380m long -12m deep
  8. 8. 8 TO LOAD OUT THE FLOAT § Without a strong partnership, the port cannot build or reserve a specific infrastructure Dry dock n°3 Brest Port KaTupali port shipliU (43mx200m) KaTupali port slipway 160m
  9. 9. 9 § To invest in a specific infrastructure includes risks: §  Obsolescence due to growing dimensions of the float §  Serial produc2on impacted by the capacity §  Dedicated tool speaking of serial produc2on §  Dependence on the port TO LOAD OUT THE FLOAT
  10. 10. 10 METTRE À L’EAU LE FLOTTEUR Brest port favours rolling/ skidding or liUing. ⇒ We are building a heavy load quay ⇒ We want to be able to welcome any technology, any project ⇒ Our drydocks can be used for short dura2ons
  11. 11. 11 TO LIFT THE FLOAT § Impact on the port: §  Quay resistance for a terrestrial crane ⇒ In Brest a very high quay resistance to localised loads § Impact on the industrial: §  Limita2on of the float weight §  Float designed to be liUed §  Float designed to be rolled DEME, Rambiz Up to 3300t Mammoet PTC 140-DS Up to 3200t
  12. 12. 12 TO ROLL/SKID THE FLOAT § Impact for the port: §  Construc2on areas resistance § Impact for the industrial: §  Float to be build on supports §  Float to be reinforced on support points SPMT Skidshoes ALE
  13. 13. 13 TO ROLL/SKID THE FLOAT § Impact for the port : §  To limit waves quay side ⇒  In Brest the quay favours lower waves but there is no breakwater § Impact for the: §  To handle 2dal range ⇒  In Brest 2dal range can reach 8m at 1,92m/h speed §  Float designed to be corbelled or limita2on of its dimensions §  Flooding in good nau2cal condi2ons ⇒  In Brest we have a naturally sheltered an deep basin in front of the port Mighty Servant 3 - Dockwise Skyjack 3000 - ALE
  14. 14. 14 TO ASSEMBLE THE TURBINE ON THE FLOAT QUAYSIDE § Quays and know-how to welcome the heavy load supplies § Spaces quayside for buffer stocks § A heavy duty quay for a heavy load crane § A quay dedicated for the serial produc2on § A quay able to welcome the float: §  Floa3ng moored to the quay §  Laying on the ground in front of the quay
  15. 15. 15 TO ASSEMBLE THE TURBINE QUAYSIDE ON THE FLOAT FLOATING § Impact for the port: §  Quay layout to limit waves §  Quay structure to enable the float to lean on it §  Quay protec2ons compa2ble with the float geometry §  Bollards posi2on and resistance according to the float mooring system § Impact for the industrial: §  Float geometry enabling the mooring §  Reinforcements on mooring lines points §  Ballast system adapted to 2dal range and speed §  Stability to handle waves
  16. 16. 16 TO ASSEMBLE THE TURBINE QUAYSIDE ON THE FLOAT GROUNDED § Impact for the port: §  Depth adapted to the float draught §  Flatness of the ground §  Repeatability of grounding opera2on § Impact for the industrial: §  Ballast system adapted to depth §  Float structure designed to bear grounding
  17. 17. 17 STOCKER LES ÉOLIENNES TERMINÉES Issues to handle : •  Large surfaces of basins, •  Environmental impact to study as for open see farms, •  Landscape modifica2ons to be acceptable. TO STORE THE FLOATING WIND TURBINE ONCE BUILT
  18. 18. 18 A NECESSARY PARTNERSHIP PORT-INDUSTRIAL § Port issues impact the very design of the wind turbine § Port must adapt but machines have to be adapted to port reali2es § The port should be involved early in the industrial studies § A partnership ongoing : Brest Port and the Groix-Belle-île pilot floa2ng wind farm § To cope with the challenges, a global port offer : Brest – Lorient – Nantes St Nazaire
  19. 19. 19 THANK YOU Any ques2on: Lucile Héri3er Brest port development project manager Bretagne Region