Scroby SandsScroby SandsOffshore Wind Farm Offshore Wind Farm

Update Update

18 April 200218 April 2002

Anne-marie CoyleAnne-marie Coyle

Scroby SandsScroby SandsOffshore Wind Farm Offshore Wind Farm

Update Update

18 April 200218 April 2002

Anne-marie CoyleAnne-marie Coyle

Scroby Sands UpdateScroby Sands UpdateScroby Sands UpdateScroby Sands Update

Introduction & OverviewIntroduction & 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…

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…

Completed pre 2000 Completed construction in 2000

Construction in 2001

Deucheran Hill

SiddickBessy Bell

Siddick

Lowca

Askam

Rhyd-y-Groes

Rheidol

Tursillagh

St Breock

Bowbeat

Blyth Offshore

Great Eppleton

Out Newton

Ovenden Moor

Royd Moor

Blood Hill

Powergen Renewables Existing PortfolioPowergen Renewables Existing Portfolio

Scroby Sands UpdateScroby Sands UpdateScroby Sands UpdateScroby Sands Update

Scroby Sands UpdateScroby Sands UpdateScroby Sands UpdateScroby Sands Update

Scroby Sands Offshore Wind FarmScroby Sands Offshore Wind Farm

Up to 38 2MW wind turbines Steel monopile foundations - location specific3 export cable runs totalling 27km plus 11km cable runOnshore works winter 2002Offshore works summer 2003Visitors Centre

Up to 38 2MW wind turbines Steel monopile foundations - location specific3 export cable runs totalling 27km plus 11km cable runOnshore works winter 2002Offshore works summer 2003Visitors Centre

Scroby Sands UpdateScroby Sands UpdateScroby Sands UpdateScroby Sands Update

Scroby Sands - the site 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

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

Scroby Sands UpdateScroby Sands UpdateScroby Sands UpdateScroby Sands Update

Background - Technical StudiesBackground - Technical Studies

Site assessment commenced in 1993-4Anemometry mast installed 1995 Good port facilities at Great Yarmouth Grid connection survey and evaluationSeismic, bathymetry and test bore studies Metocean data collectionExport cable route planningSite electrical infrastructure Detailed foundation design

Site assessment commenced in 1993-4Anemometry mast installed 1995 Good port facilities at Great Yarmouth Grid connection survey and evaluationSeismic, bathymetry and test bore studies Metocean data collectionExport cable route planningSite electrical infrastructure Detailed foundation design

Scroby Sands UpadteScroby Sands UpadteScroby Sands UpadteScroby Sands Upadte

Background - Environmental StudiesBackground - Environmental Studies

Seals and BirdsBenthic assessmentFisheries assessmentSand bank and coastal geomorphologyWave climateMarine archaeologyNoise assessmentNavigation, traffic and shippingAviation, television, radio and radar

Seals and BirdsBenthic assessmentFisheries assessmentSand bank and coastal geomorphologyWave climateMarine archaeologyNoise assessmentNavigation, traffic and shippingAviation, television, radio and radar

Scroby Sands UpdateScroby Sands UpdateScroby Sands UpdateScroby Sands Update

Consenting RouteConsenting Route

Crown Estate prequalification in April 2001DTLR - Section 34 Coast Protection Act 1949DEFRA - Section 5 Food and Environment Protection Act 1985DTI - Section 36 Electricity Act 1989 incorporating General Permitted Development Order

Crown Estate prequalification in April 2001DTLR - Section 34 Coast Protection Act 1949DEFRA - Section 5 Food and Environment Protection Act 1985DTI - Section 36 Electricity Act 1989 incorporating General Permitted Development Order

Scroby Sands Update Scroby Sands Update Scroby Sands Update Scroby Sands Update

Likely ConditionsLikely ConditionsDEFRA Installation Sequence Birds Seals Benthos Subsea vibration monitoring Coastal processes Beach profiles Geomorphology Scour

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

DTI Noise Hours of work Micrositing Colour TV & radio surveys CAA

DTLR Cables Navigation aids

DTLR Cables Navigation aids

Scroby Sands Update Scroby Sands Update Scroby Sands Update Scroby Sands Update

Construction 1 - Contract Strategy Construction 1 - Contract Strategy

Supply Grid connectionAll Cables

Supply Grid connectionAll Cables

InstallOnshore cablesInstallOnshore cables

Supply TurbinesMonopiles WTG switchgearSCADA

Supply TurbinesMonopiles WTG switchgearSCADA

InstallMonopilesTurbinesOffshore CablesSCADAWTG switchgear

InstallMonopilesTurbinesOffshore CablesSCADAWTG switchgear

EPCEPC PROWLPROWL

Scroby Sands Update Scroby Sands Update Scroby Sands Update Scroby Sands Update

Construction 2 - Installation Construction 2 - Installation

Constrained by Little Terns Avoid southern most row until end July Piles South to North Turbines North to South Cabling Commissioning

Constrained by Little Terns Avoid southern most row until end July Piles South to North Turbines North to South Cabling Commissioning

Copy and paste magic…..Copy and paste magic…..