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TurboCare Sp. z o.o. NDT TESTS May, 2007 scope of tests On usual basis we perform: ► Material tests ► Strength tests ► Visual examination ► PT, HD, MT and UT tests ► RT tests – in cooperation ► We use highest quality materials from companies such as : MR Chemie Gmbh and TIEDE ► We use highest quality machines made by companies such as: TIEDE, Krautkramer, Equotip and DEUTSCH Privileged & Confidential – Page 2 material tests ► Material tests; ► All material tests are done on basis of proper EN standards; ► In preparation of samples process we use abrasive papers and diamond pastes or aluminum oxide suspensions; ► We use only materials from known companies (e.g. STRUERS); ► Preparation of replicas consist in vacuum evaporating and grading of tested materials – we use aluminum, gold or coal; ► Microstructure observation showed in replicas is done by ZEISS NEOPHOT 32`microscope. Photographic recording is done by CCD-Insight Spot digital camera interfaced with photo processing computer system; ► If necessary, for microstructure (samples or replicas) observation we use – in cooperation with Wroclaw Technical University – scanning or emission electron microscopes. Privileged & Confidential – Page 3 non destructive material tests ► Negative of triafol replicas are made on live object, removed and fixed by adhesive tape on sample glass; ► Sample replicas are prepare by gold, aluminum or coal for further tests; Privileged & Confidential – Page 4 destructive material tests ► Example samples after impact resistance tests; ► Special system for strength tests in 700°C; Privileged & Confidential – Page 5 endoscopy and visual examinations ► Whole scope of endoscope and visual examinations are done with careful photographic and descriptive documentation; ► Welch Allyn Videoprobe 2000 videoscope test – Ø9mm 3m probe; ► Olympus endoscope – Ø9mm 1,5m probe; ► Pipelines endoscopy with industrial television from pipes with Ø40mm diameter to 15m length; Privileged & Confidential – Page 6 ultrasonic tests ► Tests are done according to EN standards and SIEMENS specific instructions of elements (parts) and specific materials tests; ► For tests we use Krautkramer and Starmans equipment; Privileged & Confidential – Page 7 ultrasonic tests ► Bearings tests; ► Bolts tests; ► Casings tests; ► Journal and shaft tests; ► Rivets and blades tests; ► Welds tests; Privileged & Confidential – Page 8 wall thickness measurements ► We perform thickness measurements using modern ultrasonic equipment; ► Wall thickness: ► Casings; ► Pipelines; ► Heat exchangers surfaces; ► Hard to reach elements and elements available only from one side; Privileged & Confidential – Page 9 magnetic powder tests ► Tests are performed according to EN standards and SIEMENS specific instructions of elements (parts) and specific materials tests; ► For tests we use TIEDE and DEUTSCH equipment; Privileged & Confidential – Page 10 magnetic powder tests ► All found defects are carefully documented and finally shown in protocol, with exact localization and photography; Privileged & Confidential – Page 11 magnetic powder tests ► During testing of high importance elements we use high sensitivity agents and we perform observation in UV light; Privileged & Confidential – Page 12 long blades tests ► Magnetic powder test in white and UV light; ► Blade root dye penetrant test; ► Blade root and rivets ultrasonic test; ► Blade hardness test; Privileged & Confidential – Page 13 dye penetrant tests ► All elements made from non ferromagnetic materials are tested with dye penetrant method – observation is performed as well in white light as in UV light; Privileged & Confidential – Page 14 hardness tests ► We perform all kinds of hardness tests of materials and machine elements; ► Vicers method hardness test with ultrasonic hardness tester (in Vickers, Brinell or Rockwell scale); ► Energy method hardness test with EQUOTIP-2 hardness tester (in Vickers, Brinell or Rockwell scale); Privileged & Confidential – Page 15 defect analysis ► Using our knowledge acquired during many years of experience we could indicate probable causes of defects, formed during production as well as during operation; Privileged & Confidential – Page 16 certificates ► Tests leading personnel has all required certificates; ► Training scope meets requirements of EN473 standard Privileged & Confidential – Page 17 Privileged & Confidential – Page 18 NDT inspection reports TurboCare Use Standard Inspection Record Sheets to record and report inspection results and where required dual language reports are provided: Example 1: Bearing Babbit Bond UT Report Privileged & Confidential – Page 19 NDT inspection reports TurboCare Use Standard Inspection Record Sheets to record and report inspection results and where required dual language reports are provided: Example 2: Cylinder Blade Shroud Inspection Privileged & Confidential – Page 20 NDT inspection reports TurboCare Use Standard Inspection Record Sheets to record and report inspection results and where required dual language reports are provided: Example 3: LP Overhead Pipework Magnetic Particle Inspection Privileged & Confidential – Page 21 qualified NDT engineers TurboCare NDT Personnel are experienced Turbine Service Engineers with technical qualifications up to MSc In an Engineering discipline. Every engineer has appropriate NDT certification: Privileged & Confidential – Page 22 references ► NDT test are performed during all works performed by TurboCare Sp. z o.o. in Poland as well as in most of works abroad; NDT EXPORT TO: AUSTRIA SERBIA Privileged & Confidential – Page 23 GERMANY BULGARIA HUNGARY BOSNIA/HERZEGOWINA recent service contracts (≥200MW) Year Customer Location 2003 2003 2003 2003 2003 2003 2003 2003 2003 2004 2004 2004 2004 2004 2005 2005 2005 2005 2006 2006 DSD PS Patvov KEK TUROW SA Energo Opole KEK TUROW SA PS Patvov DSD ZRE SAG Polnard SA Vantaa ZRE EPS Polnard SA PS Patvov PAK KEK ESB Maritza, Bulgaria Patvov, Poland Pristina, Kosova Turow, Poland Opole, Poland Pristina, Kosova Turow, Poland Patvov, Poland Dolna Odra, Poland Kozience, Poland Obrenovac, Serbia PP Opole, Bulgaria Tahkoluoto, Finland Kozienice, Poland Nikola Tesla, Serbia Polnard, Poland Patvov, Poland Konin, Poland Pristina, Kosova Moneypoint, Eire Privileged & Confidential – Page 24 OEM Output (MW) LMZ 200 Zamech 200 LMZ 200 Zamech 215 Zamech 360 LMZ 200 Zamech 215 Zamech 200 Alstom 215 LMZ 500 LMZ 300 Alstom 360 LMZ 240 LMZ 500 Alstom (ABB) 300 Zamech 360 Zamech 200 LMZ 200 LMZ 200 BBC 350 Description Major Overhaul NDE of Pipework Overhaul NDE of Pipework Overhaul Overhaul Rotor/Casing Inspection Unit 5 TG Overhaul Diffuser Exchange Description Description TG Overhaul Description Valve Diffuser Exchange STG Major Overhaul TG Overhaul Overhaul Turbine Service Overhaul Turbine V/v Overhaul THANK YOU FOR YOUR ATTENTION WROCLAW – CITY OF TurboCare Sp. z o.o. LOCATION Privileged & Confidential – Page 25