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WKA BLADE SERVICE

GES DEUTSCHLAND GMBHA Company

│ Company Presentation │A Company

INDEX

• Company data

• Scope of work– Blade inspections

– Blade repairs− Damage gallery

– Nacelle repairs

– Tower maintenance

• Training– Composite Training

– H&S Training

• References/Cooperation partner

• Customer benefit– Platform

– Data base

– Concepts

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YOUR SPECIALIST FOR ROTOR BLADES MAINTENANCE AND REPAIRS SERVICES

• European market leader in blade repairs since 1994

• 194 salaried employees

– 164 technicians in total

– 21 rope access technicians

– Teams for worldwide service and repair operations offshore and onshore

• Approved by Germanischer Lloyd

– the most influential/relevant certifier in the European wind industry.

• Experience of 20 Years and more than 10.000 repaired and documented turbines globally

• The company has been a subsidiary of GES Global Energy Services since June 2008

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- Leadership & technical support by WKA Germany- Local technicians trained in Fehmarn- Homogenous Quality and H&S levels

TEAM CAPACITY AND LOCATION

Techs Total Techs Rope Techs OffshoreGermany 118 9 9

Spain 11 4 -Portugal 11 - -

Italy 14 8 -Rumania 4 - -Poland 4 - -Greece 2 - -

Total 164 21 9


INTERNATIONAL FOOTPRINT

5

GermanySpain

Portugal

Italy

Poland

Holland

Hungry

UK

Austria

SwedenAustralia

Japan

Greece

Finland

France

Belgium

Denmark

Estonia

Ireland

Czech Republik


BLADE INSPECTIONS (INTERIOR/EXTERIOR)

• After commissioning of the turbine

• End of warranty inspection

• Status inspection

• Checking the blade body for damage, erosion and cracks

• Control of the main laminates, the bonding caps and the shear webs

• Checking for white and fiber cracks and undulations

• Monitoring of the aerodynamic components

• Conductivity testing of lightning protection systems and visual inspection of the lightning protection system

• Checking the drainage holes

• Creation of detailed damage reports

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BLADES REPAIRS (INTERIOR/EXTERIOR)

• Repair of complex GRP damages

• Repair of manufacturing defaults

• Repair of lightning damage

• Repair of transport and assembly

damages

• Location and repair of breaks in the

lightning protection system

• Retrofit or replacement of erosion

protection

• Installation of aerodynamic

components on the rotor blade

• New coatings and signal coatings

• Fitting of balancing weights

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DAMAGE GALLERYLIGHTNING DAMAGE

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DAMAGE GALLERYLIGHTNING DAMAGE

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DAMAGE GALLERYCRACK IN MAINLAMINAT AND SANDWICH CORE

10


DAMAGE GALERYDRY GLASS IN MAINLAMINATE

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DAMAGE GALLERYEROSION

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DAMAGE GALLERYTHERMOGRAPHY TESTING

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WORK AT NACELLE AND OTHER GRP PARTS

• Maintenance of complex GRP

damages

• Repair of transport defects

• Reconditioning of assembly damages

• Implementation of retrofit measure

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WORKS AT TOWERSHIGH-PRESSURE WATER JET TECHNOLOGY• Complete removal of corrosion at any position of the tower including the

welds and base fittings

• Surface coating analog the original build-up coat

• Corrosion protection renovation at flange connections of the tower segments

• Sealing of the flange connection with flexible seal tape

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COMPOSITE TRAININGCOMPANY’S OWN TRAINING CENTER

• Yearly composite trainings for all technicians in theory and practice

– Identifying of strength and weakness− Close coaching during repair operations

• Client and object based trainings

• Courses in German, English and Spanish

• Client Workshops

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• Repair logistic

• Material selection

• Material handling

• Damage documentation

• Quality documentation

• Blade types

• Specific blade structure

• Damages types

• Repairs techniques

• Damage analyses

• Team leading

• Client communication

Contents


HEALTH & SAFETYCOMPANY’S OWN TRAINING CENTER

• Preparation of worldwide service and repair

operations onshore and offshore

• Permanent improvement of safety concepts

• Project specific and meaningful risk assessments

• Regular telephone conferences with all teams

• Monitoring of safety equipment by qualified

personnel

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• Height safety training

• Use of PPE against falls from height

• Use of PPE against chemical hazards• Safe use of machines and tools

• Electro technically trained person

• Safe operation of the work platforms

• Assembly/Disassembly of the platform

• Operating the platform manually

• Evacuation from the platform

• Trouble shooting of defects

Contents


REFERENCES / COOPERATION PARTNER

• OEM´sEnercon, Repower, GE, Alstom,

Gamesa

• Blade OEM´sLM, Powerblades

• Energy companies Acciona, RWE

• Management companies

• property owners

• Insurance companies

• Banks

• A systematic expansion

• National and international

• Onshore and offshore

capability

• Tailored to the requests of the

cooperation partners

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CUSTOMER BENEFITCUSTOMIZED ACCESS TECHNOLOGY

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• Independent of hub height

• Access to any position of the blade

• Fits at all pitch turbines

• Allows high repair quality

• Enables complex repairs

• Reduced repair times and less downtime of

the turbine

• Possibility to influence temperature and

humidity

• Safe access technology


CUSTOMER BENEFITCUSTOMIZED ACCESS TECHNOLOGY

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UVM 8 UVM 8 UVM 8 UVM 8 (30 Units.)(30 Units.)(30 Units.)(30 Units.)

• Length of platform opening 3,7m

• Width of platform opening 2,1m

• Distance from tip to tower (max.) 9,15m

UVM 10 UVM 10 UVM 10 UVM 10 (7 Units.)(7 Units.)(7 Units.)(7 Units.)

• Length of platform opening 4,2m

• Width of platform opening 2,15m

• Distance from tip to tower (max.) 10,9m

Other 7 Units.)• stall or hybrid platforms


CUSTOMER BENEFITCOMPANY’S SPECIALLY DEVELOPED DATA BASE

• Generates high end customer reports

• Specific data contents are:

– 104 different turbine types

– 129 blade types

– 160.000 damages

• Include analysis tools for

– Statistics

– Damage trends

– Weak spots

– repair method

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Report Report


CUSTOMER BENEFITDAMAGE ANALYSES

SchadenSchadenSchadenSchaden Anzahl Anzahl Anzahl Anzahl

SchädenSchädenSchädenSchäden

Anzahl Anzahl Anzahl Anzahl Schäden in Schäden in Schäden in Schäden in %%%% Anzahl Anzahl Anzahl Anzahl Schäden Schäden Schäden Schäden pro Blattpro Blattpro Blattpro Blatt

QuerriseQuerriseQuerriseQuerrise 4.7394.7394.7394.739 31,7531,7531,7531,75 4,684,684,684,68

AbplatzungAbplatzungAbplatzungAbplatzung 2.8662.8662.8662.866 19,2019,2019,2019,20 2,832,832,832,83

LunkerLunkerLunkerLunker 1.2601.2601.2601.260 8,448,448,448,44 1,241,241,241,24

RissfelderRissfelderRissfelderRissfelder 1.2531.2531.2531.253 8,398,398,398,39 1,241,241,241,24

AusbruchAusbruchAusbruchAusbruch 748748748748 5,015,015,015,01 0,740,740,740,74

ErosionErosionErosionErosion 682682682682 4,574,574,574,57 0,670,670,670,67

RisseRisseRisseRisse 679679679679 4,554,554,554,55 0,670,670,670,67

BlitzschädenBlitzschädenBlitzschädenBlitzschäden 549549549549 3,683,683,683,68 0,540,540,540,54

Mechanische Mechanische Mechanische Mechanische

BeschädigungBeschädigungBeschädigungBeschädigung 537537537537 3,603,603,603,60 0,530,530,530,53

LängsrisseLängsrisseLängsrisseLängsrisse 525525525525 3,523,523,523,52 0,520,520,520,52

Sonstige FehlstelleSonstige FehlstelleSonstige FehlstelleSonstige Fehlstelle 287287287287 1,921,921,921,92 0,280,280,280,28

EEEE----Folie defektFolie defektFolie defektFolie defekt 249249249249 1,671,671,671,67 0,250,250,250,25

3333----D TurbolatorD TurbolatorD TurbolatorD Turbolator 115115115115 0,770,770,770,77 0,110,110,110,11

Dichtnaht Dichtnaht Dichtnaht Dichtnaht defektdefektdefektdefekt 106106106106 0,710,710,710,71 0,100,100,100,10

Poren und LunkerPoren und LunkerPoren und LunkerPoren und Lunker 70707070 0,470,470,470,47 0,070,070,070,07

Rezeptor defektRezeptor defektRezeptor defektRezeptor defekt 61616161 0,410,410,410,41 0,060,060,060,06

Vortex defektVortex defektVortex defektVortex defekt 41414141 0,270,270,270,27 0,040,040,040,04

Guerny Flaps defektGuerny Flaps defektGuerny Flaps defektGuerny Flaps defekt 38383838 0,250,250,250,25 0,040,040,040,04

Trockene Trockene Trockene Trockene

FaserverstärkungFaserverstärkungFaserverstärkungFaserverstärkung 26262626 0,170,170,170,17 0,030,030,030,03

PorenPorenPorenPoren 25252525 0,170,170,170,17 0,020,020,020,02

VerschmutzungVerschmutzungVerschmutzungVerschmutzung 23232323 0,150,150,150,15 0,020,020,020,02

Blitzschutzsystem defektBlitzschutzsystem defektBlitzschutzsystem defektBlitzschutzsystem defekt 15151515 0,100,100,100,10 0,010,010,010,01

KorrosionKorrosionKorrosionKorrosion 15151515 0,100,100,100,10 0,010,010,010,01

HarzmangelHarzmangelHarzmangelHarzmangel 12121212 0,080,080,080,08 0,010,010,010,01

Entwässerung defektEntwässerung defektEntwässerung defektEntwässerung defekt 7777 0,050,050,050,05 0,010,010,010,01

SummeSummeSummeSumme 14.92814.92814.92814.928 100,00100,00100,00100,00 14,7414,7414,7414,74

PositionPositionPositionPosition Anzahl Anzahl Anzahl Anzahl

SchädenSchädenSchädenSchäden

Anzahl Schäden Anzahl Schäden Anzahl Schäden Anzahl Schäden

in in in in %%%%

Anzahl Anzahl Anzahl Anzahl

Schäden pro Schäden pro Schäden pro Schäden pro

BlattBlattBlattBlatt

BeschichtungBeschichtungBeschichtungBeschichtung7634763476347634 51,1451,1451,1451,14 7,547,547,547,54

VerklebungVerklebungVerklebungVerklebung3516351635163516 23,5523,5523,5523,55 3,473,473,473,47

AußenbelegungAußenbelegungAußenbelegungAußenbelegung2299229922992299 15,4015,4015,4015,40 2,272,272,272,27

Keine AngabeKeine AngabeKeine AngabeKeine Angabe621621621621 4,164,164,164,16 0,610,610,610,61

Nicht eindeutigNicht eindeutigNicht eindeutigNicht eindeutig521521521521 3,493,493,493,49 0,510,510,510,51

RezeptorRezeptorRezeptorRezeptor212212212212 1,421,421,421,42 0,210,210,210,21

FlanschFlanschFlanschFlansch69696969 0,640,640,640,64 0,070,070,070,07

VerklebungVerklebungVerklebungVerklebung28282828 0,190,190,190,19 0,030,030,030,03

SandwichSandwichSandwichSandwich22222222 0,150,150,150,15 0,020,020,020,02

InnenbelegungInnenbelegungInnenbelegungInnenbelegung4444 0,030,030,030,03 0,000,000,000,00

Rezeptorblock Rezeptorblock Rezeptorblock Rezeptorblock

BlockBlockBlockBlock 1111 0,010,010,010,01 0,000,000,000,00

Sandwich & Sandwich & Sandwich & Sandwich &

HauptgurtHauptgurtHauptgurtHauptgurt 1111 0,010,010,010,01 0,000,000,000,00

14928149281492814928 100,00100,00100,00100,00 14,7414,7414,7414,74


CUSTOMER BENEFITFACTORS WHICH INFLUENCE THE MAINTENANCE STRATEGY

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ROTOR BLADEROTOR BLADEROTOR BLADEROTOR BLADE

Age

Insurance

Damage Status Warranty

Location

BudgetRepair

History

Individually tailored longIndividually tailored longIndividually tailored longIndividually tailored long----term service and repair conceptsterm service and repair conceptsterm service and repair conceptsterm service and repair concepts


O&M STRATEGIES

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Static Partly-Dynamic Dynamic Budget

Year Tasks Variant 1 Variant 2 Variant 3 Variant 4 Year Variant 5

2014

Inspection/Repair Platform Platform Platform/Rope Access Access less Inspection

2014

Evaluate Priority of der Turbine/WF/Portfolio

Interior Inspection x x x Budget consultancy for Turbine/WF/Portfolio

Conductivity Test x x x Repair of Priorities under consideration of Budget

2015

Inspection/Repair Rope Access Access less Inspection Demand dependent

2015


Interior Inspection x Demand dependent Budget consultancy for Turbine/WF/Portfolio

Conductivity Test x Demand dependent Repair of Priorities under consideration of Budget

2016


2016




2017


2017




2018


2018




2019


2019





CUSTOMER BENEFIT

• High professional back office

– Fast communication from site to back office and client

• Analyses of turbine, wind farm or fleet status

• Design of maintenance concepts for turbines, wind farms and fleets

• Consulting of repair materials, methods and processes

• Training support

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HIGH QUALITY REPAIRS, DEVELOPMENT OF COST EFFECTIVE INDIVIDUAL CONCEPTS AND CONSULTANCY FOR HIGHER OUTPUT OF YOUR TURBINE.WE ARE LOOKING FORWARD TO SUPPORTING YOU AT ANY TIME AS YOUR BLADE EXPERT PARTNER!


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Thank you for your attention!


WKA BLADE SERVICE

GES Deutschland GmbH

Gammendorf 16

D-23769 Fehmarn

Tel: +49 (0) 4371 864 190

Fax +49 (0) 4371 864 1970

[email protected]

www.wka-service-fehmarn.de

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GES/Global Energy Services Siemsa S.A.

Ctra. Bilbao Asúa (Alto Enekuri)

Pol. Fátima Edif. Enekuri Mendi

48950 Erandio (Vizcaya) Spain

Tel: +34 (0) 944 721 131

Fax: +34 (0) 944 721 130

[email protected]

www.services-ges.com

wka blade service - sparesinmotion.com · │ company presentation │ a company works at towers...

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