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Scroby Sands Offshore Wind Farm Update 18 April 2002 Anne-marie Coyle

Scroby Sands Offshore Wind Farm Update 18 April 2002 Anne-marie Coyle. Scroby Sands Update. Introduction & Overview. Powergen Renewables portfolio The wind farm The site Background – technical Background – environmental Consenting route Likely conditions

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Scroby Sands Offshore Wind Farm Update 18 April 2002 Anne-marie Coyle

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  1. Scroby SandsOffshore Wind Farm Update 18 April 2002Anne-marie Coyle

  2. Scroby Sands Update Introduction & Overview • Powergen Renewables portfolio • The wind farm • The site • Background – technical • Background – environmental • Consenting route • Likely conditions • Construction 1 – Contract Strategy • Construction 2 – Installation • That picture – with a difference…

  3. Bowbeat Deucheran Hill Siddick Blyth Offshore Bessy Bell Great Eppleton Siddick Out Newton Lowca Ovenden Moor Askam Royd Moor Rhyd-y-Groes Completed pre 2000 Blood Hill Rheidol Completed construction in 2000 Tursillagh St Breock Construction in 2001 Scroby Sands Update Powergen Renewables Existing Portfolio

  4. Scroby Sands Update Scroby Sands Offshore Wind Farm • Up to 38 2MW wind turbines • Steel monopile foundations - location specific • 3 export cable runs totalling 27km plus 11km cable run • Onshore works winter 2002 • Offshore works summer 2003 • Visitors Centre

  5. Scroby Sands Update Scroby Sands - the site • Scroby Sands - 3km x 12km dynamic bank system • North Middle and South Banks • Average depth approx 3m - 12m • 2m tidal range • Up to 3 knot tides • Sand, sandy gravel and clay • Best weather window April - September

  6. Scroby Sands Update Background - Technical Studies • Site assessment commenced in 1993-4 • Anemometry mast installed 1995 • Good port facilities at Great Yarmouth • Grid connection survey and evaluation • Seismic, bathymetry and test bore studies • Metocean data collection • Export cable route planning • Site electrical infrastructure • Detailed foundation design

  7. Scroby Sands Upadte Background - Environmental Studies • Seals and Birds • Benthic assessment • Fisheries assessment • Sand bank and coastal geomorphology • Wave climate • Marine archaeology • Noise assessment • Navigation, traffic and shipping • Aviation, television, radio and radar

  8. Scroby Sands Update Consenting Route • Crown Estate prequalification in April 2001 • DTLR - Section 34 Coast Protection Act 1949 • DEFRA - Section 5 Food and Environment Protection Act 1985 • DTI - Section 36 Electricity Act 1989 incorporating General Permitted Development Order

  9. Scroby Sands Update Likely Conditions DEFRA • Installation Sequence • Birds • Seals • Benthos • Subsea vibration monitoring • Coastal processes • Beach profiles • Geomorphology • Scour DTI • Noise • Hours of work • Micrositing • Colour • TV & radio surveys • CAA DTLR • Cables • Navigation aids

  10. Supply Grid connection • All Cables Install Onshore cables Scroby Sands Update Construction 1 - Contract Strategy Supply Turbines Monopiles WTG switchgear SCADA EPC Install Monopiles Turbines Offshore Cables SCADA WTG switchgear PROWL

  11. Scroby Sands Update Construction 2 - Installation • Constrained by Little Terns • Avoid southern most row until end July • Piles South to North • Turbines North to South • Cabling • Commissioning

  12. Copy and paste magic…..

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