DEME, Dredging International

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Wind Farm Thornton Bank Phase I. Dordrecht, 5 maart 2008

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DEME, Dredging International

  1. 1. WIND FARM THORNTON BANK PHASE IHydrographic Society Benelux – Dordrecht 05 maart 2008
  2. 2. Project1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions
  3. 3. 1. Project2. Client3. Objective4. Location Project5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 3
  4. 4. Project The Project THORNTON WIND FARM1. Project Phase 1 6 WTG’s, 1x 150kV marine cable to be operational in 20082. Client3. Objective4. Location Phase 2 18 WTG’s, offshore trafo platform to be operational in 20105. Wind Turbines6. Marine High Voltage Cable Phase 3 18 WTG’s, 1 x 150 kV marine cable to be operational in 20117. Construction phase8. Planning9. Questions Phase 4 18 WTG’s to be operational in 2012 22/03/2011 4
  5. 5. Phases1. Project Phase 22. Client Phase 13. Objective4. Location Phase 35. Wind Turbines6. Marine High Phase 4 Voltage Cable7. Construction Trafo phase8. Planning9. Questions 22/03/2011 5
  6. 6. C-Power NV is a Belgian company established for the development and implementation of a farshore wind farm on the Thorntonbank.  60 wind turbines 5 MW1. Project  Installed capacity 300 MW2. Client3. Objective4. Location  Annual generation 1000 GWh5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning  Annual consumption of 600.000 inhabitants9. Questions  Avoided CO2 emission: 450.000 tonnes/year ~ forest 90.000 ha 22/03/2011 6
  7. 7. 1. Project2. Client3. Objective4. Location Client5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 7
  8. 8. The Client: C-POWER Shareholders:1. Project2. Client3. Objective4. Location5. Wind Turbines Project Lenders: Owner’s Engineer: Certification Bodies:6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 8
  9. 9. 1. Project2. Client3. Objective4. Location Objective5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 9
  10. 10. In the context of the world climate conferences and the Kyoto declaration, Belgium has accepted the obligation to reduce greenhouse gasses emissions with 7.5% by 2010 compared to the 1990 emissions level. Green House Gas emissions contribution by sector in 20041. Project Solvent and Other Product Use Industries2. Client 0,2% (processes) Agriculture 10,2%3. Objective 7,7% Waste Fugitive emissions4. Location 1,1% 0,4%5. Wind Turbines Energy Industries 20,1%6. Marine High Other (energy) Voltage Cable 21,8%7. Construction phase Industry (Energy) Transport8. Planning 20,1% 18,5%9. Questions source: Belgium’s Greenhouse Gas Inventory (1990-2004) – April 2006 22/03/2011 10
  11. 11. In the context of the world climate conferences and the Kyoto declaration, Belgium has accepted the obligation to reduce greenhouse gasses emissions with 7.5% by 2010 compared to the 1990 emissions level. Evolution Green House Gas emissions for the period 1990-20041. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions source: Belgium’s Greenhouse Gas Inventory (1990-2004) – April 2006 22/03/2011 11
  12. 12. In accordance with the Kyoto agreement and the world climate conferences, a European Directive (EU/77/01) was issued on 27 September 2001. The EU target aims at generation from renewable energy sources corresponding to 12% of primary energy requirements by 2010. EU objective renewable energy1. Project2. Client 100%3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable share objective7. Construction 1999: 6% 2010: 12% phase8. Planning9. Questions primary energy need renewable energy 22/03/2011 12
  13. 13. The graph below shows that Belgium (and Luxembourg) has been given the lowest target in absolute terms (6%). Since there are so few renewable forms of energy installed here, in relative terms Belgium has to achieve the greatest increase (x6) in renewable forms of energy in the whole European Union. Renewable Energy Production: %/19971. Project EU Renewable Energy Production Objective: %/20102. Client 100% 90%3. Objective 80%4. Location 70%5. Wind Turbines 60% 50%6. Marine High Voltage Cable 40% 30%7. Construction phase 20%8. Planning 10% 0%9. Questions Sw om en m en Fr d d ds EU G ce he urg al ng n Po tria e r rk y Fi y Ir e an an an xe al Ki ai ec D iu ug an an a ed d l Sp Lu It N mb m us nl el g re ta m rt rl el To A B G et d te ni U Source: EWEA 22/03/2011 13
  14. 14. At present wind energy is capable of making the most economical and realistic contribution towards achieving this desired increase in renewable energy sources. European wind energy increase1. Project 60000 80002. Client Installed wind power capacity (MW) 7000 500003. Objective Yearly increase (MW) 60004. Location 40000 50005. Wind Turbines 30000 40006. Marine High Voltage Cable 3000 200007. Construction phase 2000 100008. Planning 10009. Questions 0 0 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Source: EWEA 22/03/2011 14
  15. 15. At present wind energy is capable of making the most economical and realistic contribution towards achieving this desired increase in renewable energy sources. Global cumulative installed capacity 1995-2007 941221. Project 95000 850002. Client 74133 750003. Objective 65000 593224. Location 55000 47620 MW5. Wind Turbines 45000 394316. Marine High 35000 31100 Voltage Cable 23900 25000 174007. Construction 13600 phase 15000 10200 7600 4800 6100 50008. Planning -5000 1995 1997 1999 2001 2003 2005 20079. Questions Source: EWEA 22/03/2011 15
  16. 16. Moreover, a worldwide trend can be perceived towards larger installed capacities. h= hight1. Project Ø= rotor diameter2. Client 5.000 KW h 114m3. Objective Ø 124m 2.000 KW h 80m4. Location 600 KW Ø 80m h 43m5. Wind Turbines Ø 50m 500 KW 50 KW Ø 40m h 24m 100 KW6. Marine High Ø 15m Ø 20m Voltage Cable7. Construction phase 1980 1985 1990 1995 2000 20048. Planning9. Questions Source: EWEA 22/03/2011 16
  17. 17. The development of offshore wind1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions Source EWEA / Make Consulting 22/03/2011 17
  18. 18. To meet the European target for renewable energy, Belgium aims to generate 6% of its electricity from renewable energy sources by 2010. In this way it can fulfil the European target for Belgium. 7% objective1. Project c-power contribution 6%2. Client existing3. Objective 5%4. Location 4%5. Wind Turbines6. Marine High 3% Voltage Cable7. Construction phase 2%8. Planning 1%9. Questions 0% 2004 2006-2008 2010 22/03/2011 18
  19. 19. 1. Project2. Client3. Objective4. Location Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 19
  20. 20. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 20
  21. 21. Due to the relatively small area of Belgian territorial waters and the large number of limiting factors, the range of possible locations for offshore wind power parks is severely limited. The international borders and the outline of the Belgian Continental Shelf (BCS)1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 21
  22. 22. Due to the relatively small area of Belgian territorial waters and the large number of limiting factors, the range of possible locations for offshore wind power parks is severely limited.  The location of the Thorntonbank1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 22
  23. 23. Due to the relatively small area of Belgian territorial waters and the large number of limiting factors, the range of possible locations for offshore wind power parks is severely limited. Major international shipping routes1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions
  24. 24. A number of other uses have already been licensed within the BCS. The area available for new wind farms is therefore severely limited.  The various mile zones1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 24
  25. 25. A number of other uses have already been licensed within the BCS. The area available for new wind farms is therefore severely limited.  Sand reclamation areas1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 25
  26. 26. A number of other uses have already been licensed within the BCS. The area available for new wind farms is therefore severely limited.  The military zones1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 26
  27. 27. A number of other uses have already been licensed within the BCS. The area available for new wind farms is therefore severely limited.  Gas pipes and telecom cables1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 27
  28. 28. A number of other uses have already been licensed within the BCS. The area available for new wind farms is therefore severely limited.  Wildlife preservation areas1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 28
  29. 29. A number of other uses have already been licensed within the BCS. The area available for new wind farms is therefore severely limited.  Radar range1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 29
  30. 30. A number of other uses have already been licensed within the BCS. The area available for new wind farms is therefore severely limited.  The Flemish sandbanks outside the 12 NM zone1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 30
  31. 31. A number of other uses have already been licensed within the BCS. The area available for new wind farms is therefore severely limited.  Dedicated area for offshore wind turbines1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions
  32. 32. A number of other uses have already been licensed within the BCS. The area available for new wind farms is therefore severely limited.  Wind Farm construction in the North Sea: current project proposals1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions
  33. 33. Detail of the Thornton Bank showing all current user functions1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions
  34. 34. Detail of the Thornton Bank showing all current user functions  The C-Power land area concession1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions
  35. 35. Detail of the Thornton Bank showing all current user functions  The C-Power land area concession  The wind turbine configuration within the land area concession1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions
  36. 36. Between 1990 and 2000 the first trial projects for wind turbine parks at sea were built. These were characterised by wind turbines with low power and they were installed in very shallow waters close to the coast. Capacity (MW) km depth year of Project number capacity total offshore m construction1. Project Vindeby (DK-Balt zee) 11 0.45 4.95 1.5 2-5 19912. Client Lely (NL-Noordzee) 4 0.5 2 0.8 5-10 1994 Tunö Knob (DK-Balt zee) 10 0.5 5 6 3-5 19953. Objective Dronten (NL-Noordzee) 28 0.6 16.8 0.02 5 19964. Location Bockstigen (S-Balt zee) 5 0.55 2.75 4 5-7 19975. Wind Turbines Blyth (UK-Noordzee) 2 2 4 1 8.5 2000 306. Marine High Voltage Cable 25 Average depth (m)7. Construction 20 phase 158. Planning 109. Questions 5 0 0 5 10 15 20 25 30 Average distance to the coastt (km) 22/03/2011 36
  37. 37. From 2000 on nearshore multi-megawatt projects were developed in Europe. Capacity (MW) km depth Year of Project number capacity total offshore m construction Middelgrunden (DK-Balt Sea) 20 2 40 2-3 3-6 20001. Project Yttre Stengrund (S-Balt Sea) 5 2 10 7 8-10 2001 North Hoyle (UK-North Sea) 30 2 60 7-8 12 20032. Client Scroby Sands (UK-North Sea) 30 2 60 2,5 2-10 20043. Objective Q7 (NL-North Sea) 60 2 120 23 20-25 20074. Location Robin Rig (UK-North Sea) 60 3 180 9 3-21 2008 305. Wind Turbines 256. Marine High Average depth (m) Voltage Cable 207. Construction phase 158. Planning 109. Questions 5 0 0 5 10 15 20 25 30 Average distance to the coast (km) 22/03/2011 37
  38. 38. From 2000 on nearshore multi-megawatt projects were developed in Europe. C-Power’s partner and shareholder DEME is through her group companies involved in the offshore construction works of five of these projects. Capacity (MW) km depth Year of Project offshore m construction number capacity total1. Project Utgrunden (S-Balt zee) 7 1.5 10.5 8 7-10 2000 Samsø (DK-Balt Zee) 10 2.3 23 4-8 12-18 20022. Client Hornsrev (DK-Noordzee) 80 2 160 14-20 6-14 20023. Objective Nysted-Rödsand (DK-Balt Zee) 72 2.2 158 9-14 6-9.5 20034. Location Noorzeewind (NL-Noordzee) 36 2.75 99 8-10 15-20 2005 305. Wind Turbines 256. Marine High Average depth (m) Voltage Cable 207. Construction 15 phase 108. Planning 59. Questions 0 0 5 10 15 20 25 30 Average distance to the coast (km) 22/03/2011 38
  39. 39. The Thorntonbank project will serve as a pioneering farshore project in Europe in terms of:  distance from the coast  average water depth1. Project  installed capacity2. Client3. Objective4. Location 305. Wind Turbines 25 Average depth (m)6. Marine High 20 Voltage Cable7. Construction 15 phase 108. Planning 59. Questions 0 0 5 10 15 20 25 30 Average distance to the coast (km) 22/03/2011 39
  40. 40. Projects where C-Power partner and shareholder Dredging International and its sister companies of the DEME group were involved. Utgrunden, Sweden1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 40
  41. 41. Projects where C-Power partner and shareholder Dredging International and its sister companies of the DEME group were involved.  Samsø, Demark1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 41
  42. 42. Projects where C-Power partner and shareholder Dredging International and its sister companies of the DEME group were involved.  Horns Rev, Denmark1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 42
  43. 43. Projects where C-Power partner and shareholder Dredging International and its sister companies of the DEME group were involved.  Nysted Rødsand, Denmark1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 43
  44. 44. Projects where C-Power partner and shareholder Dredging International and its sister companies of the DEME group were involved.  Beatrice Windfarm, Scotland1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 44
  45. 45. Windfarm related projects Belgium, Westhinder 1993 Piling works for the installation of a new meteostation in the North Sea. UK, Lynn and Inner dowsing 1998 Meteomast installation in the North Sea near Skegness1. Project Sweden, Utgrunden 2000 Monopile foundation and turbine installation.2. Client Denmark, Horns Rev 2002 Erosion protection works around windfarm monopiles3. Objective Denmark, Samsoe 2002 Design, supply and installation of monopile foundations + wind turbines.4. Location Belgium, Radartower Oostdijkbank 2002 Construction & delivery of radar, transmission equipment, heli-platform & accommodation.5. Wind Turbines Denmark, Rodsand 2003 Installation of offshore transformer station6. Marine High Holland, Egmond aan Zee 2003 Voltage Cable Foundation and installation of metomast. Belgium, Thorntonbank 20047. Construction Soil investigation campaign incl. drilling, sampling, pressiometer testing & CPT testing. phase UK, Greater Gabbard 2004 Soil investigation campaign. Drillings up to 35 m below seabed.8. Planning UK, London Aray 2004 Soil investigation campaign. Drillings and CPT’s to 50 m below seabed.9. Questions Scotland, Beatrice Field 2006 Installation of windmill foundation and turbines. UK, Gunfleets Sands 2007 Soil investigation campaign. Drillings and CPT’s to 35 m below seabed. 22/03/2011 45
  46. 46. 1. Project2. Client3. Objective4. Location Wind Turbines5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 46
  47. 47. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions  Rated power: 5 MW  Rotor diameter: 126 m  Hub height offshore: 94 m 22/03/2011 47
  48. 48. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase Nacelle8. Planning  weight: 315 tons9. Questions  dimensions: 18 x 6 x 6 m 22/03/2011 48
  49. 49. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase Tower section (2 parts)8. Planning  weight (each): 120 tons9. Questions  dimensions: 37,5 x 6 diam. 22/03/2011 49
  50. 50. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable Rotor Blade7. Construction phase  weight: 17.8 tons  width: 4.6 m8. Planning  length: 61.5m9. Questions 22/03/2011 50
  51. 51. Rotor Blade  Static test: max. deformation 17 m1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 51
  52. 52. 1. Project2. Client3. Objective 184 m4. Location 184m5. Wind Turbines 102 m6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 52
  53. 53. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions Next slide >>> 22/03/2011 53
  54. 54. 1. Project2. Client3. Objective4. Location Marine High Voltage Cable5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 2007 2008 Design and manufacturing at Karlskrona Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 1/10/2008 22/03/2011 54
  55. 55. ABB (Sweden):1. Project Design and manufacturing of the marine cables2. Client 1 x 38.000 m of 150 kV cable3. Objective (diam 22 cm, weight 81 kg/m)4. Location 6 x 500 m of 33 kV cable5. Wind Turbines (diam 13,6 cm, weight 26 kg/m)6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 55
  56. 56. 1. Project2. Client3. Objective4. Location Construction phase5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 56
  57. 57. 1. Project2. Client3. Objective THV SEAWIND (Belgium):4. Location Marine and Electrical Infrastructure5. Wind Turbines Non integrated Joint Venture with6. Marine High Voltage Cable Dredging International NV as JV sponsor/leader7. Construction phase8. Planning9. Questions 22/03/2011 57
  58. 58. Marine Infrastructure (Dredging International NV)  Soil investigation DI/GeoSea  Design GBF’s COWI1. Project2. Client  Construction of GBF’s CFE/MBG3. Objective  Dredging activities DI4. Location5. Wind Turbines  Installation GBF foundation layer Tideway6. Marine High Voltage Cable  Marine Installation of GBF’s DI/SCALDIS7. Construction phase  Backfill/ Infill of GBF’s DI/BDC/DBM8. Planning  Scour protection around GBF’s DI/DBM9. Questions  Lifting & installation Wind Turbines GeoSea 22/03/2011 58
  59. 59. 1. Project2. Client3. Objective4. Location Construction phase5. Wind Turbines6. Marine High Soil investigation Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 59
  60. 60. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 60
  61. 61. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 61
  62. 62. 1. Project2. Client3. Objective4. Location Construction phase5. Wind Turbines6. Marine High Design GBF’s: Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 62
  63. 63. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 63
  64. 64. Physical modelling at DHI (Danish Hydrological Institute)1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 64
  65. 65. Detail of a lifting lug1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 65
  66. 66. 1. Project2. Client3. Objective4. Location Construction phase5. Wind Turbines6. Marine High Construction of GBF’s: Voltage Cable7. Construction phase8. Planning9. Questions 2007 2008 - Construction of the gravity based foundations Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 1/10/2008 22/03/2011 66
  67. 67. 1. Project NOORDZEE2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 67
  68. 68. 1. Project2. Client Construction of GBF’s: Halve Maan Oostende3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 68
  69. 69. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning • Total weight GBF: 2.800 ton9. Questions • Height: between 38,5 and 44 m • Diameter foot: 26 m 22/03/2011 69
  70. 70. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 70
  71. 71. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 71
  72. 72. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 72
  73. 73. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 73
  74. 74. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 74
  75. 75. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 75
  76. 76. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 76
  77. 77. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 77
  78. 78. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 78
  79. 79. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 79
  80. 80. Status GBF’s1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 80
  81. 81. 1. Project2. Client3. Objective4. Location Construction phase5. Wind Turbines6. Marine High Dredging activities Voltage Cable7. Construction phase8. Planning9. Questions 2007 2008 Dredging and foundation w orks Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 1/10/2008 22/03/2011 82
  82. 82. Dredging of the loose sand layer (-24.0 TWA) by a TSHD1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 83
  83. 83. removal of spill and sedimentation just before placing GBF foundation layer1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 84
  84. 84. 1. Project2. Client3. Objective4. Location Construction phase5. Wind Turbines6. Marine High Installation GBF’s foundation layer Voltage Cable7. Construction phase8. Planning9. Questions 2007 2008 Dredging and foundation w orks Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 1/10/2008 22/03/2011 85
  85. 85. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 86
  86. 86. Fall pipe with ROV (remote operated vehicle) To place the stones within the required tolerancex1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 87
  87. 87. 1. Project2. Client3. Objective4. Location Construction phase5. Wind Turbines6. Marine High Marine Installation of GBF’s Voltage Cable7. Construction phase8. Planning9. Questions 2007 2008 Marine Installation of GBF’s Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 1/10/2008 22/03/2011 88
  88. 88. by shear leg floating crane RAMBIZ1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 89
  89. 89. Transport & installation of the gravity foundations1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 90
  90. 90. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 91
  91. 91. 1. Project2. Client3. Objective4. Location Construction phase5. Wind Turbines6. Marine High Backfill/Infill of GBF’s Voltage Cable7. Construction phase8. Planning9. Questions 2007 2008 Backfill / Infill of GBF’s Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 1/10/2008 22/03/2011 92
  92. 92. Multi purpose pontoon Thornton I1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 93
  93. 93. Backfill1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 94
  94. 94. Infill1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 95
  95. 95. Vlaanderen XXI1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 96
  96. 96. 1. Project2. Client3. Objective4. Location Construction phase5. Wind Turbines6. Marine High Scour protection Voltage Cable7. Construction phase8. Planning9. Questions 2007 2008 Scour Protection Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 1/10/2008 22/03/2011 97
  97. 97. Scour protection1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 98
  98. 98. Multi purpose pontoon Thornton 1 using fall pipe facilities DP DT operated1. Project Filter layer 0.6m -2. Client Armour layer 0.7m3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning Dumping grid9. Questions 22/03/2011 99
  99. 99. 1. Project2. Client3. Objective4. Location Construction phase5. Wind Turbines6. Marine High Lifting & installation Wind Turbines Voltage Cable7. Construction phase8. Planning9. Questions 2007 2008 Lifting & installation Wind Turbines Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 1/10/2008 22/03/2011 100
  100. 100. Lifting of tower section1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 101
  101. 101. Lifting of nacelle1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 102
  102. 102. Lifting of nacelle1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 103
  103. 103. Rotor Installation1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 104
  104. 104. 1. Project2. Client3. Objective4. Location Construction phase5. Wind Turbines6. Marine High Electrical Infrastructure Voltage Cable7. Construction phase8. Planning9. Questions 2007 2008 Electrical Infrastructure Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 1/10/2008 22/03/2011 105
  105. 105. Electrical Infrastructure OFFSHORE (Dredging International NV)1. Project Prelay dredging (Vaargeul 1) DI2. Client Crossing existing PEC cable GeoSea/DEC3. Objective4. Location Landfall/ Dunecrossing (HDD) GeoSea5. Wind Turbines Cable laying & posttrenching Tideway6. Marine High Voltage Cable ONSHORE (Fabricom-GTI)7. Construction phase8. Planning Cable laying & trenching FAB-GTI9. Questions Grid connection FAB-GTI 22/03/2011 106
  106. 106. 1. Project2. Client3. Objective4. Location Construction phase5. Wind Turbines6. Marine High Electrical Infrastructure Voltage Cable7. Construction phase Landfall/ Dunecrossing (HDD)8. Planning9. Questions 2007 2008 Landfall/ Dunecrossing (HDD) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 1/10/2008 22/03/2011 107
  107. 107. Landfall/ Dunecrossing (HDD)1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 108
  108. 108. Landing of the h-v cable will take place by means of directional drilling (30m below dune surface)1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 109
  109. 109. 1. Project2. Client3. Objective4. Location Construction phase5. Wind Turbines6. Marine High Electrical Infrastructure Voltage Cable7. Construction phase8. Planning9. Questions 2007 2008 Crossing existing cable Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 1/10/2008 22/03/2011 110
  110. 110. Prelay dredging (Scheur) with TSHD1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 111
  111. 111. Crossing existing PEC cable1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 112
  112. 112. Cable laying & trenching OFFSHORE1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 113
  113. 113. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 114
  114. 114. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 115
  115. 115. 1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 116
  116. 116. For submarine transportation the cables are buried in the sea bed. Consequently no high-voltage pylons will be built for the C-Power wind farm.1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 117
  117. 117. In the wind turbine the power that is generated is transformed to a voltage level of 33,000 volts (33kV). The electric components of the REPOWER 5MW turbine are located in the rear part of the nacelle. Converter Gearbox Onboard-Crane Rotor Bearings Hub1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions Transformer Generator Yaw System 22/03/2011 118
  118. 118. Between the wind turbines a 33 kV cable network is laid for transportation of the power that is generated to the offshore transformer platform.1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 119
  119. 119. On the offshore transformer platform step-up transformation takes place to transform the power that has been collected to a higher voltage (150 kV). This is necessary to limit wastage when transporting power over longer distances. The total distance from the transformer station at sea to the grid injection point on land is approximately 40km.1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 120
  120. 120. The TWO submarine cables (150kV) between the offshore transformer platform and the public 150kV grid on land are responsible for transporting the power that has been generated. For the submarine part of the route (about 36 km) the cables are buried in the sea bed.1. Project2. Client3. Objective4. Location5. Wind Turbines6. Marine High Voltage Cable 22 cm7. Construction phase8. Planning9. Questions 22/03/2011 121
  121. 121. 1. Project2. Client3. Objective4. Location Planning5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 122
  122. 122. 2007  Site “Halve Maan” • soil improvement works • foundation slabs and beams  Dune crossing (HDD)1. Project  Design of the GBF’s2. Client  Construction of the GBF’s3. Objective  Installation of the land cables4. Location 20085. Wind Turbines  Finishing of the GBF’s  Installation of the appurtenances (boat landing, ladders)6. Marine High Voltage Cable  Weighing and transport on land of the GBF’s  Transport on sea and installation of the GBF’s7. Construction phase  Backfill / Infill of the GBF’s8. Planning  Installation of the scour protection  Installation of the marine cables9. Questions  Grid connection  Installation and commissioning of the WTG’s 22/03/2011 123
  123. 123. Overall planning1. Project2. Client3. Objective4. Location5. Wind Turbines 2007 20086. Marine High ONSHORE ACTIVITIES Voltage Cable - Construction of the gravity based foundations - Execution beach and dune crossing - Installation of the cable onshore betw een7. Construction the Godtschalckstraat and HV station Slijkens phase OFFSHORE ACTIVITIES8. Planning - Installation of the gravity based foundations - Supply and installation of the cables offshore9. Questions - Installation of the w indturbines offshore COM M ISSION AND START UP OF PHASE I 1/10/2008 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 22/03/2011 124
  124. 124. Cost Investment Cost Phase 1 (6 WTG): € 152.8 million Development/1. Project Engineering Insurance2. Client3. Objective Finance4. Location Contingency5. Wind Turbines Cable connection6. Marine High Voltage Cable Foundation7. Construction phase Windturbines8. Planning9. Questions 22/03/2011 125
  125. 125. 1. Project2. Client3. Objective4. Location Questions5. Wind Turbines6. Marine High Voltage Cable7. Construction phase8. Planning9. Questions 22/03/2011 126
  126. 126. DEME : Creating land for the future

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