Multitest Projects Reference List

• Gas-extraction platform „Galata” for extraction of natural gas in Black Sea – owned by Petreco SARL /1999-2003/. For construction of the gas-extraction platform the inspectors of Multitest LTD carried out 100% non-destructive inspection applying RT, UT, VT, MT/РТ methods, as well as mechanical tests of base metal, HAZ and welded joints.
• Subsea gas pipeline “Blue stream” /2001/ from Russia to Turkey on the Black sea bottom major contractor being Projeco Bulgaria SA and investor Saipem Luxemburg S.A- complex testings for the gas pipeline construction. 
• Gas metering station „Krivnya” to main gas pipeline of Bulgargaz EAD /2001/ - 100% NDT RT, UT, VT, MT/РТ, holiday test of insulation and mechanical tests of base metal, HAZ and welded joints, pressure tests using mixture of nitrogen and helium. 
• Compressor station „Krivnya” and attached pipelines Ø 1219 and Ø 1016 for transport of natural gas from Russia to Turkey /2001/ – 100% NDT RT, UT, VT, MT/РТ, spark flaw detection of insulation and mechanical tests of base metal, HAZ and welded joints.
• Compressor station "Provadiya" with 4 new gas turbocompressor units х 10 MW gas-turbine compressor units for natural gas /2001/ – contractor being Glavbolgarstroy AD and Ordering Company: Bulgargaz EAD complex NDT&DT testings and inspection
• Production of Components of containers with quadruple joints, intended for SAIPEM barge 7000 /2001/ - Major contractor being Projeco Bulgaria SA- complex NDT&DT testings and inspection
• Components of drain pipes for gas turbine /2002- 2003/ - major contractor being Projeco Bulgaria SA- complex NDT&DT testings and inspection
• Compressor station „Kardam” – recovery and expansion /2002/ - major contractor being Glavbolgarstroy AD and ordering company Bulgargaz EAD - 100% NDT RT, UT, VT, MT/РТ, spark flaw detection of insulation and mechanical tests of base metal, HAZ and welded joints
• Gas field development platform near cap Galata - /2003/ major contractor being Projeco Bulgaria SA and investor Petreco SARL - complex NDT&DT testings and inspection, spectral analysis, vacuum and hydraulic testings 
• Support structure of exhaust ventilation ducts of gas turbine /2000- 2004/ major contractor being Projeco Bulgaria SA and investor Intermare Sarda SPA, Sardinia - complex NDT&DT testings and inspection, spectral analysis, vacuum and hydraulic testings, thickness measurements of metallic and non-metallic coatings, hardness test
• Project Buoyancy tanks – abutments of submarine platform for SABRATA PLATFORM /2003 - 2004/ - major contractor being Projeco Bulgaria SA and investor Intermare Sarda SPA, Sardinia - complex NDT&DT testings and inspection, spectral analysis, vacuum and hydraulic testings, thickness measurements of metallic and non-metallic coatings, hardness test
• Compressor station "Galata" 1st phase. Superchargeable Compressor MK-1 and its Working Equipment&Pipelines /2006/ - major contractor being Montagi AD and ordering company Petreco Bulgaria EOOD - 100% NDT - RT, UT, VT, MT/РТ and mechanical tests of base metal, HAZ and welded joints, hydrostatic and pneumatic testings using mixture of helium and nitrogen.
• Compressor station "Galata" - Installation of supercharge compressor МК-2 and its working pipelines and equipment /2007/ - major contractor being Montagi AD and ordering company Petreco Bulgaria EOOD- 100% NDT - RT, UT, VT, MT/РТ and mechanical tests of base metal, HAZ and welded joints, hydrostatic and pneumatic testings using mixture of helium and nitrogen.
• Glycol regeneration and Gas Dehydratation Skids of Kashagan Project – AGIP” /2007 – 2008/ as partners of Italian Company “Siirtec Nigi” s.p.a. - Complex testings 
• Assembling of Vessels for Oil and Gas Processing to project: West Dikirnis Field–Egypt - mounting of technological equipment for oil and gas processing and assembling-erection of steel pipelines, appliances, control valves for oil and gas /2007/ - contractor Montagi Varna Co. and ordering company Optimus engineering Co. - non-destructive inspection of welded joints, inspection for integrity of insulating coating and strength and density tests. 
• Transmission main gas pipeline for Northwest Operating Region Botevgrad of Bulgartransgaz EAD /2012/ - non-destructive inspection according to contract between Bulgartransgaz EAD and Multitest LTD
• Gas transmission network in Northeast Operating Region Valchi Dol /2013-2018/ of Bulgartransgaz EAD - non-destructive inspection according to contract between Bulgartransgaz EAD and Multitest LTD
• Gas field Kavarna to platform „Galata” and from Gas field Kaliakra to platform „Galata” /2013/ - NDT and supervision in laying gas pipelines on the bottom of Black sea, hydraulic testings of connecting modules to submarine equipment and hydraulic testings of gas pipelines in offshore conditions – investor UK company Petreco SARL.
• Receiving and transmitting device of cleaning unit - Gas metering station Krivnya - of 12'' transit gas pipeline for natural gas from Gas metering station ''Krivnya'' to Compressor station for natural gas ''Galata'' /2014/ - contractor “Montagi PROBG“ Ltd., Ordering company /Client/: Petroceltic Bulgaria AD, Varna - complex non-destructive testings - VT, MT, RT and hydraulic test
• Combustion gas line for Gas generator /2015/ - contractor “Montagi PROBG“ Ltd., Ordering company: Optimus engineering Co.- Varna - visual and radiographic inspection 
• Pipelines of liquid ammonia storehouse on the territory of Agropolychim AD, Devnya /2015/ - contractor “Montagi PROBG“ Ltd. - non-destructive inspection
• Replacement of pumps of WHP-3 Agropolychim AD /2015/ - contractor “Montagi PROBG“ Ltd., Ordering company: Agropolychim AD, Devnya- radiographic inspection
• Construction of pipeline for discharging phosphoric acid from vessels for Agropolychim AD, Devnya/ /2015-2016/ - contractor “Montagi PROBG“ Ltd., Ordering company: Agropolychim AD - non-destructive inspection
• "Ejectors С16601 А/В" of New ammonia storehouse in Agropolychim AD - Devnya / 2015/ - contractor “Montagi PROBG“ Ltd., Ordering company: Devnya Cement AD - non-destructive inspection
• Reconstruction of trolley hoist line 5t- Clinker shop - Devnya Cement AD /2015/ - contractor “Montagi PROBG“ Ltd., Ordering company: Devnya Cement AD- non-destructive inspection 
• Off-shore platform „GALATA“- Pump installation Р-8000 for project „Water Knock Out“ /2017/ - contractor “Montagi PROBG“ Ltd., Ordering company: Petreco SARL - non-destructive inspection 
• Stainless reservoirs for chemical industry /2000-2004/ - major contractor being Projeco Bulgaria SA and investors Noyvallesina Engineering SRL and Rosetti Marino SPA - complex NDT&DT testings, spectral analysis, vacuum and hydraulic testings, thickness measurements of metallic and non-metallic coatings 
• Installation of ladders and guard rails, support and insulation panels of outlet pipeline /2002 - 2003/ major contractor being Projeco Bulgaria SA- complex NDT&DT testings and inspection
• Project „Skid beam – supports of underpass for installation on SAIPEM 44 barge (2003-2004) major contractor being Projeco Bulgaria SA and investor Saipem Spa-Milano - complex NDT&DT testings 
• Cogeneration plant – 18MW /2005/ - contractor Montagi Varna Co. and ordering company "Biovet" AD – Peshtera - non-destructive inspection of welded joints 
• Reconstruction of TSP shop for production of TSP/MAP/DAP - /2007/ - contractor Montagi Varna Co. and ordering company Agropolychim AD - Devnya- NDT and inspection for integrity of insulation coating. 
• Installation of process pipelines and equipment. Erection of vertical cylinder steel reservoir of V=1000м3 /2007/ - storage tank for phosphoric acid. Service steel structures (columns, staircases and platforms, passageways, etc.)- contractor Montagi Varna Co. and ordering company Agropolychim AD – Devnya - complex NDT testings
• Complex testings and inspection in the implementation of the project in Deven AD – construction of „400 t/h CFB Boiler Island” major contractor being Foster Wheeler Energia Polska Sp.zo.o. /2008–2009/. During the construction we carried out complex NDT testings applying the following methods - VT, RT, UT, ultrasonic thickness measurements, LT, spectral analysis. 
• LUKOIL Neftohim Burgas AD /2009 – 2010/ - HDS/HAD XO-5 and site for desulfation of a fraction Prime G (XOB-1)” in the territory of LUKOIL Neftohim Burgas AD - Complex testings and inspection during construction and installation works. 
• In their capacity of Notified Body NB1977 Multitest LTD carried out conformity assessment in LUKOIL Neftohim Burgas AD of pressure equipment and process groups:

- Sulphuric Acid Alkylation Unit

- Installation „Regeneration of MDEA – 1”

- „Combustion gas separator”

- Pipelines to site „Production 8. Propylene polymerization unit, 99,8% purification of propylene from micro-impurities”.

• Complex testings and inspection during the construction of the new Maritsa East 1 TPP in Galabovo /2009 – 2010/ major contractor being German company Alstom and investor AES. We carried out testings of 75% of the welded joints on site, applying the following methods: RT, MT, PT, VT, UT, hardness test, chemical composition determination by PMI, endoscopic tests.
• In the implementation of project „Maritsa East 1 TPP” we carried out NDT&DT also in our capacity of subcontractor of most of the company involved in the construction of the power plant – AE&E, TGO Ltd., DSD Hilgers Stahlbau GmbH, Teknotes Inc.
• Complex testings and inspection (radiographic testings – X-ray, magnetic particles testings, hardness tests) for the only company in the country manufacturing ECF cellulose and ECF pulp products – Svilocell EAD /2007; 2011/. We carried out for this client examination works of project and technical documentation, complex NDT and supervision inspection in repair works of economizers in Soda-regenerating boiler.
• Reconstruction and modernisation of clinker and cement production equipment in the plant of Devnya Cement AD. Relocation of main industrial gas pipeline. /2011/ - contractor Montagi Varna Co. and ordering company: Devnya Cement AD, Devnya - non-destructive inspection of welded joints 
• New shop for "Ammonium nitrate". Design and production of process equipment /2011/ - contractor Montagi Varna Co. and ordering company: Agropolychim AD – Devnya - complex NDT testings
• New clinker and cement production equipment in the plant of Dеvnya Cement AD /2014/ - contractor Montagi Varna Co. and ordering company: CBMI Construction Co., Ltd. - complex NDT testings
• DES –S13127. Vacuum Distillation group-5 (VDG-5) /2015/ - contractor Montagi Varna Co. and ordering company: "Solvay Sodi" AD – radiographic inspection and ferritic content determination
• New stainless stern discharge line of bulk carrier vessel M/T ''Byron''/ 2015/ - contractor: “Montagi PROBG“ Ltd. ООД, Ordering company: ODESSOS SHIPREPAIR YARD S.A. - non-destructive inspection
• Replacement of pipeline of m/v Seabright /2015/ - contractor: “Montagi PROBG“ Ltd., Ordering company: ODESSOS SHIPREPAIR YARD S.A. - non-destructive inspection
• Stainless pipeline m/v DELPHI /2015/ - contractor: “Montagi PROBG“ Ltd., Ordering company: ODESSOS SHIPREPAIR YARD S.A. - non-destructive inspection
• Plant for incineration of hazardous waste and receiving thermal energy generation /2016/ - contractor Montagi Varna Co. and ordering company: Greenburn Ltd. 
• Multitest LTD carried out complex NDT&DT testings and inspection in the implementation of new project in Deven AD Project:  CFB Boiler erection with main ordering company Foster Wheeler Energia Polska Sp.zo.o. and contractor of the project HUTNÍ MONTÁŽE, a.s /2015-2016/ 
• Complex testings for welding procedure approval and welder qualification for MTG Dolphin Shipyard /2016-2017/
• Non-destructive inspection of pressure vessels and equipment manufactured by Promishlena Energetika - Varna AD /2014- 2021/
• Gas pipeline “South Stream” submarine section /2014-2018/ -

- welder qualification on board of special vessel Castoro Sei, and in premises of SAIPEM S.P.A. in Cortemaggiore, Italy,

- regular inspection of steel pipe coating according to standard EN ISO 1133, procedure A. 

- Inside visual inspection of pipes (quad joints) by innovative specialized robotic system „crawler“ designed and manufactured in Multitest LTD, ensuring video recording of 360° range and 4К quality in real time of the internal surface of pipes and welded joints.

- Ultrasonic thickness measurement of pipes intended for implementation of project „Turkish stream“(former South stream transport).

• Complex testings for welding procedure approval and welder qualification for MTG Dolphin Shipyard /2016-2017/
• Compressor station Lozenets /2015/ of Bulgartransgaz EAD - complex NDT&DT testing, inspection and welders qualification for project "Reconstruction of Lozenets Compressor Station”, expansion of the existing site, installation and commissioning of two new gas turbine compressor units of the USA company Solar Turbines adjacent to the available equipment. /2013-2016/, contractor Glavbolgarstroy AD, and investor Bulgartransgaz EAD.
• Complex NDT&DT testing, inspection, qualification of welding procedure and welders of construction "Targovishte gas pipeline diversion” DN250, PN 5.4 MPa". /2018-2020/, contractor Glavbolgarstroy AD
• Transit gas pipeline No. 2 to Turkey – Expansion of transit gas pipeline to Turkey in the section from CS „Lozenets“ to PIG Launcher “Nedyalsko” /2017-2018/ - Complex NDT&DT testing, inspection, qualification of welding procedure and welders; length 20 km, size of the pipe - 1016 x 10.31 / 12.7 mm /2017 - 2018/, contractor Glavbolgarstroy AD and investor Bulgartransgaz EAD.
• Complex NDT&DT testing, inspection, qualification of welding procedure and welders of extension of the gas transmission network in the section from the Bulgarian-Turkish borderline to CS “Strandzha”, length 11 km, size of the pipe - 1219 x 15.9/19.05 mm /2019/, contractor Glavbolgarstroy AD
• Complex NDT&DT testing GMS “Strandzha” Construction of a measuring unit with 8 DN400 lines (6 working and 2 spare). /2019/, contractor Glavbolgarstroy AD
• Complex NDT&DT testing, inspection, qualification of welding procedure and welders of expansion of the Gas Transmission Infrastructure of ''Bulgartransgas'' EAD Parallel to the North (Main) Gas Pipelines to the Bulgarian-Serbian border , Stage ''Linear Part'', 44 km, Lot A3 from VA Studenets (excl.) to VA Kovachevets (incl.) Ø1219 x 17,48 mm/ 19,05 mm / 23,83 mm /2020/, Contractor: ARKAD Consortium (ARKAD ENGINEERING AND CONSTRUCTION), Subontractor mechanical work: Max Streicher S.p.A. 
• Complex NDT&DT testing, inspection, qualification of welding procedure and welders of Construction and commissioning of CS "Rasovo" to the site "Expansion of the gas transmission infrastructure of Bulgartransgaz EAD, parallel to the northern (main) gas pipeline to the Bulgarian-Serbian border" /2020/, contractor Glavbolgarstroy AD
• Complex NDT inspection activities: VT,PT,RT,UT for project: “Build an installation for refined sodium bicarbonate. Part: Large- scale bubble columns-BIR columns”, /2020/, contractor Montagi-Varna Co, assignor: Solvay Sodi S.A.
• Periodic monitoring with acoustic emission of 3 bridge cranes. Part: Main beam, crane beam and large trolley, /2020/, contractor: AEPE-EP Ltd., assignor: Aurubis Bulgaria
• Complex NDT&DT testing, inspection of CS Lozenets - stage 2: Integration of two low-emission gas turbocompressor units /2020 - 2021/; contractor Glavbolgarstroy AD
• Complex NDT & DT testing, inspection, qualification of welders for project "Expansion of the gas transmission infrastructure of "Bulgartransgaz" EAD parallel to the northern (main) gas pipeline to the Bulgarian-Serbian border. Stage of CS "Nova Provadia" /2021/; contractor Glavbolgarstroy AD
• Complex NDT & DT testing, inspection, qualification of welders for project "Transmission gas pipeline to Svishtov" /2021/; contractor Glavbolgarstroy AD
• Complex NDT testing for project "Separator repair DN5000 Tank RS-LDCB - "Black Sea" in "Solvay Sodi" AD, Devnya; /2021- 2022/; contractor Montagi - Varna Co
• Complex NDT testing for project "Pipe Components in Solvay Sodi S.A./ Extension of Existing CO2" /2021- 2022/; contractor Montagi - Varna Co
• Complex NDT testing for project "Pipework Area A; B; B&C; D; PR – "Black Sea" in "Solvay Sodi" AD, Devnya /2021- 2022/; contractor Montagi - Varna Co
• Complex NDT testing for project "Solvay Chemicals Finland Oy" - Voikkaa, Finland, /2021/; contractor Montagi - Varna Co
• Complex NDT testing- expert inspection activities LUKOIL /2021/
• "Extension of the existing Liquid Ammonia Tank Farm” , "Agropolychimi" AD, Devnya, GELDOF, /2021-2022/ Time of flight diffraction technique (TOFD), destructive testing
• Complex tests, EWELLIX SKF /2021-2022/
• Complex NDT testing and Conformity assessment: Footprint Modernisation of with new steam turbine in Acid Power Plant /2022/ Siemens Energy
• Complex tests, VIVACOM /2021/
• Complex NDT testing (UTM, MPI, UT) Furnace and accessories /February 2022/ DEVNYA CEMENT
• Remote Field Testing - Eddy current testing  (RFT-ET) of tube heat exchangers: Ethanol production plant, Drying installation, Tube bundle /2022/
• Radiography testing (RT) of  Filling installation workshop "Orehite", "Neoterm" LTD /2022/
• Complex NDT testing (UTM, MPI, UT) Furnace and accessories /December 2022/ DEVNYA CEMENT
• Complex tests, EWELLIX SKF /2023/
• Complex tests, VIVACOM /2023/
• Complex test for equipment of the Bulgarian Navy and Air Force /2023 - continued/
• USA Embassy - Bulgaria, Eddy current inspection of the heat exchangers /2023/
• "LUKOIL NEFTOCHIM Burgas"; "Deep processing of oil" complex / Complex tests: non-destructive and destructive, conformity assessment /2023/
• AES 3C Maritza East I Ltd- Contract for nondestructive and destructive examinations, conformity assessment- activities started from July 2023 and continued

Dr.eng.Pavel Chukachev

LEVEL III: PAUT, TOFD, UT, RT, LT, AE, ET , VT, PT, MT