This environmental impact assessment for Kriegers flak ... - Vattenfall

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16.1 Location Sea laid feeding cable will be laid between the separate turbines and the two transformer stations and between the transformer stations and land. The transformer stations are planned to be located centrally in the wind farm and the distance between them to land will be about 30 km. During the early consultation, a number of different alternative landing points were presented (points were the cable reaches land), see map below. From these landing points, cables will be laid to the CABLE LAYING 165 connection points (the transmission grid). The connection of the wind farm to the grid is planned in two phases. In phase 1 on land, 340 MW is planned to be connected to the grid at Trelleborg North and in phase 2, 300 MW is planned to be connected to the connection point Arrie (Västra Kärrstorp). These two stations are existing transformer stations.
166 CABLE LAYING 16.2 Design The transformer stations will be mounted on a platform standing on four steel legs driven into the seabed. It is likely that monopile or tripod foundations are to be used. For information regarding these foundations, see Chapter 5.4.2. The size of the platforms will be 40 x 40 metres. They are to be placed about 10 metres above sea level and the transformer stations will be about 15 metres high. The total height of the construction above sea level will be about 25 metres. Equipment on the transformer stations will be installed to assure that the safety technique will function in an emergency. The connection between the wind farm and the grid is planned via a three phase AC link. All together, it is likely that four sea cables and four land based cables will be used. The cable is built up in multiple layers separated from each other by bitumen. No liquid substance is used in the cables. The surrounding material is made of a thick, protective covering containing steel wires. The sea cable connecting the wind farm to land will probably have an outer diameter of between 15 and 20 cm and the weight will be about 80 kg/metre. The cable used within the wind farm will be thinner and weigh less than the cable used for the land connection. The cables will be dug, plowed or washed 0.8 – 1.0 metres into the seabed (slightly deeper near the coast). Where the seabed structure does not allow the cable to be washed down due to stones, rocks etc, the cable will instead be securely anchored to the seabed. At the landing points a shaft will be dug for each cable or alternatively a larger shaft for all cables. Also on land the cables will be dug down to a depth of about one metre. The laying of the cables will need a working area of around 8–12 metres. Within this area, shafts will be dug, cables laid in position and joined. The cables will be transported to the working area on cable drums each containing 60-100 metres, depending on diameter. Transformer station, Nysted wind farm
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This environmental impact assessmen
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Sweden Offshore Wind AB Hammarby Fa
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CONTENTS 8.3 Comparative discussion
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CONTENTS 12.10 Recreation and outdo
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6 PREAMBLE AND READER NOTES 1. Prea
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8 PREAMBLE AND READER NOTES Here, t
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10 SUMMARY 2. Summary Introduction
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12 SUMMARY any protected values or
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Background
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have less impact on the landscape p
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Consultation Report
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through Ms. Eva-Lena Olsson and Mr.
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Description of the Wind Farm
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5.2. Localisation The designated ar
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As examples, the technique behind t
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not yet been tested by the wind pow
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) Biological surveys Extensive inve
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During the construction phase, the
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The wind turbines emit an aerodynam
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trical and will therefore not conta
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Project economics
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Time table
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Alternative locations
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there are technical and economic li
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Miscellaneous An application for th
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ased on data measured in 2003. Cond
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heritage, meaning that any exploita
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mentary seabed is mobile due to ice
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Alternative layout/scope
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sary. An example that has been stud
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The Zero Alternative
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• The mining of approximately 840
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64 PRESENTATION OF THE AREA 11. Pre
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66 PRESENTATION OF THE AREA 11.1.1
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68 PRESENTATION OF THE AREA varies
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70 PRESENTATION OF THE AREA 1995).
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72 PRESENTATION OF THE AREA cont. f
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74 PRESENTATION OF THE AREA The win
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76 PRESENTATION OF THE AREA Month T
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78 PRESENTATION OF THE AREA Species
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80 PRESENTATION OF THE AREA regular
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82 PRESENTATION OF THE AREA The cod
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84 PRESENTATION OF THE AREA 11.6.3
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86 PRESENTATION OF THE AREA Distrib
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88 PRESENTATION OF THE AREA to acqu
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90 PRESENTATION OF THE AREA Of the
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92 PRESENTATION OF THE AREA Bird sp
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94 PRESENTATION OF THE AREA Night a
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96 PRESENTATION OF THE AREA d) Surv
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98 PRESENTATION OF THE AREA During
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100 PRESENTATION OF THE AREA Indivi
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102 PRESENTATION OF THE AREA tion w
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104 PRESENTATION OF THE AREA In the
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106 PRESENTATION OF THE AREA Since
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108 PRESENTATION OF THE AREA Shippi
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110 PRESENTATION OF THE AREA 11.11.
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112 PRESENTATION OF THE AREA These
Page 117 and 118: 114 PRESENTATION OF THE AREA to pre
Page 119 and 120: 116 CONSEQUENSES OF THE WIND FARM 1
Page 121 and 122: 118 CONSEQUENSES OF THE WIND FARM I
Page 129 and 130: 126 CONSEQUENSES OF THE WIND FARM s
Page 131 and 132: 128 CONSEQUENSES OF THE WIND FARM
Page 135 and 136: 132 CONSEQUENSES OF THE WIND FARM J
Page 139 and 140: 136 CONSEQUENSES OF THE WIND FARM c
Page 141 and 142: 138 CONSEQUENSES OF THE WIND FARM A
Page 143 and 144: 140 CONSEQUENSES OF THE WIND FARM I
Page 145 and 146: 142 CONSEQUENSES OF THE WIND FARM p
Page 152 and 153: Cumulative effects
Page 154 and 155: and the track at low visibility is
Page 156 and 157: 13.3 Current conditions/ saltwater
Page 158 and 159: Control program
Page 160 and 161: 14.2 Fish The wind farm’s possibl
Page 162 and 163: Collected judgement
Page 164: 15.3.2 The operational phase The fa
Page 167: 164 CABLE LAYING 16. Cable laying I
Page 171 and 172: 168 CABLE LAYING There will be rest
Page 173 and 174: 170 BIBLIOGRAPHY 17. Bibliography A
Page 175 and 176: 172 BIBLIOGRAPHY ratoriet, Lysekil.
Page 177 and 178: 174 FTABLE OF ATTACHMENTS 19. Table
Page 179 and 180: 1 Wind farm, view from Trelleborg,
Page 181 and 182: Wind farm, view from Trelleborg, 30
Page 183 and 184: Wind farm, view from ships bridge,
Page 185 and 186: 7 Wind farm, view from Møn, 30 km,
Page 187: 9 Wind farm, view from Rügen, 42 k
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This environmental impact assessment for Kriegers flak ... - Vattenfall

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