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During past almost three decades we have been involved in many various underwater services such as, but not limited to: repairs, inspections and recordings pipeline systems in oil industry and hydro power stations, repairs on oil and gas platforms, lifting of stranded and sunken ships, underwater visual and video inspections of ships, constructions, inspections, repairs and maintenance of coastal constructions and sub sea sewage outfalls.
All above noted work we have and we do carry out professionally and responsibly, to the mutual satisfaction, and with significant saving of time and money to our clients.
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• HE "ZAKUČAC", Omiš - Dam "Prančevići" - inspection, recording and examination of hydro-mechanic equipment.
• HE "RIJEKA", Rijeka - Lake "Valići" - inspection, recording and examination of hydro-mechanic equipment. Recording thickness of mud sediment in hydroelectric power plant reservoir (lake).
• HE "OZALJ", Ozalj - construction of substructure foundations and slotting for table fastener.
• HE "VINODOL", Tribalj - Lake "Lokve" - recording thickness of mud sediment in hydroelectric power plant reservoir (lake).
• HE "SENJ", Sv. Juraj - recording and repair of underwater part on grounding system.
• HE "DUBRAVA", Varaždin – installation of guidelines for gate (2014), underwater grinding of concrete bases in flume of small hydropower station.
• TE "RIJEKA", Urinj - inspection, recording, examination and cleaning of cooling system suction pipeline.
• TE "PLOMIN I", Plomin - inspection, recording of cooling pipeline entering system.
• TE "PLOMIN II", Plomin - inspection and recording of cooling system pipeline entrance.
• HPS Hydro Power Station "MTERA", Tanzania – underwater inspection and welding stoppers on gate in draft tube (2014).
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• STSI - INA Oil Rafinery, Urinj - inspection, recording, examination and cleaning of cooling system suction pipeline and intake basin, maintenance of mooring on safety-eco system.
• STSI - INA Oil Rafinery, Urinj – overhaul on sea pump facility.
• STSI - INA Oil Rafinery – cleaning of suction basin for process water – lake Tribalj.
• Oil Pipeline OMIŠALJ , Urinj - underwater works on placing down the oil pipeline, repairs on pipeline.
• Naftovod OMIŠALJ, Urinj - podvodni radovi na polaganju naftovoda, sanacija dijela cjevovoda.
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• Optical cable – laying down between: Baška - Senj, Mali Lošinj - Ilovik, Pula - Brioni, Mali Lošinj - Koludarac. Construction of coastal protection for placing down the optical cable: Islands of Brioni, Lim channel, Pula, Baška, under the bed of rivers Mirna and Raša.
• HEP Operator of transmission system – transmission area Opatija – repair of coastal protection of 110 kV underwater power cables between islands Cres – Lošinj, mainland – island of Krk , island of Krk – island of Rab. Inspection of technical accuracy of coastal protection of 110 kV underwater cables mainland – island of Krk, island of Krk – island of Cres, island of Cres – island of Lošinj, island of Krk – island of Rab, island of Rab – island of Pag, island of Pag – mainland.
• HEP Elektroprimorje, Rijeka – Repairs on 35 kV underwater cables between island of Krk and island of Cres, island of Susak – island of Male Srakane. Inspection of technical accuracy of coastal protection of 35 kV underwater cables between: mainland – island of Krk, island of Krk – island of Cres, island of Cres – island of Lošinj, island of Lošinj – island of Male Srakane, island of Male Srakane – island of Vele Srakane, island of Vele Srakane – island of Unije, island of Unije – island of Susak, island of Lošinj – island of Ilovik, island of Ilovik – island of Silba. Repair of underwater power cable island of Susak – island of Male Srakane, laying down Mirna – Merag and Voz – mainland, corrections on Mirna – Merag, Voz – mainland and island of Krk – island of Cres.
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• Bridge Županja - Orašje - underwater cutting and lifting of bridge remains from Sava river. 
• Bridge MASLENICA - underwater cutting and lifting of bridge remains from the sea. 
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• SEDU "LABIN" at Shipyard "NAUTA - LAMJANA", Ugljan: CVI, MPI, zinc protector welding.
• GSF "KEY MANHATTAN" at Shipyard "NAUTA - LAMJANA", Ugljan as a part of overhaul: CVI, MPI, UT, underwater sandblasting of construction, mud suction from the spud cans, welding zinc protectors, installation of nozzles.
• SEDU "LABIN" and "PANON" at Shipyard "VIKTOR LENAC" Rijeka as a part of overhaul: underwater assisting on spud can repairs, underwater welding of zinc anodes, sandblasting positions for MPI examination.
• "SCARABEO 4" at Shipyard "VIKTOR LENAC" Rijeka as a part of overhaul: underwater works on rig – CVI, UT, cleaning barnacle fouling from the hull, cleaning of pump suction tubes, welding zinc protectors and echo-sounder.
• SEDU "LABIN", "NOBLE CARL NORBERG" and "D.R.STEWART" at Adriatic Sea – Offshore UWILD, assisting on spud can repairs, underwater welding of zinc anodes, underwater sandblasting positions for MPI examination on platforms.
• SEDU ''LABIN'' – Intermediate UWILD at shipyard ''Uljanik'' – (2013), underwater video recording spud cans, sand blasting and preparing underwater positions for MPI examination, MPI examination, NDT – ultrasonic wall thickness measurement.
• SEDU ''Labin'' – UWILD at shipyard ''Uljanik'' as a part of overhaul – (2014), underwater video recording spud cans, sand blasting and preparing underwater positions for MPI examination, MPI examination, NDT – ultrasonic wall thickness measurement. |
• Shipyard "VIKTOR LENAC" Rijeka: placing "DOCK 11" on position, and construction of anchoring system, underwater assistance on joining parts of vessels: m/v "Djakarta", m/v "Komandor", m/v "Lochnagar", m/v "Dubrovnik".
  
• Shipyard "3. MAJ" Rijeka: repair, extension and installation of sleighs on slipway, installation and removing of sleighs, assistance on ship launching, technical condition control of new jetty. Polishing propellers on new constructed ships – from 2011 since 2014.
• Shipyard "KRALJEVICA", Kraljevica: preparations of slipway and installation and removal of sleighs on slipway, assistance on ship launching and dry docking, underwater cutting of "ears" on vessels after launching, underwater inspection of Dock - 4 and Dock - 15. Dry docks 4 and 15 - dismantling mooring systems – (2014).
• Shipyard "MALI LOŠINJ", Mali Lošinj: underwater repairs on m/v "Marko Polo", Dock-6 & m/v "Slavutich", underwater inspections of vessels. Underwater repairs of hull plate on m/v ''Guang Rong'' (2013) and m/v ''Vladimir Nazor".
• Shipyard "NAUTA - LAMJANA", island of Ugljan: underwater construction of positions for placing oil platforms alongside.
• Shipyard "Adriatic Shipyard Bijela", Bijela, Montenegro: recording of sea bed depths at shipyard.
• Shipyard ''Uljanik'' – polishing propeller and underwater inspection of clearance between propeller and nozzle on new constructed ship GR 492 (''MIRAKH'') – (2014).
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• Shipyard "ADRIATIC SHIPYARD BIJELA" - assistance on lifting of sunken vessel m/v "Mexica" at shipyard.
• Island of Unije – repair of hull damage and assisting on setting stranded vessel m/v "Serine" afloat.
Underwater vessel inspection and float objects.
• Port of Opatija – lifting of sunken vessel m/v "Goran".
• Port of Umag – lifting of sunken vessel m/v "Labud".
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• Underwater inspections on hundreds of vessels and floating installations in accordance and by the rules of classification societies: ABS, BV, CRS, DNV, GL, LR, NKK, RINA.
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• Construction and reconstruction of waterfronts in: Umag, Novalja, Jakišnica, Krk, Vrbnik, Baška, Njivice, Punat, Risika, Omišalj, Stara Baška, Baška, Voz etc.
• Underwater construction of sewage outfall systems in: Omišlj, Njivice, Malinska, Krk, Baška, Opatija, Crikvenica. 
• Underwater repairs of sewage outfall systems in: Omišalj, Cres, Milohašćica, Umag, Rabac, Kijac, Njivice, Krk, Baška, Punat.
• Underwater inspection of sewage outfall systems in: Omišalj, Njivice, Kijac, Malinska, Krk, Punat, Baška, Volosko, Opatija, Ičići, Ika, Lovran, Medveja, Mošćenička Draga.
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• UT – underwater thickness measurement – m/v Hanjin Colombo, m/v Tete Rickmers, berths construction of oil terminal Omišalj, pontoon PLR-1, pylons at Port of Koper, pylons of Dry Dock RI-38 and interior of tanks of Dry Dock 11 at shipyard Viktor Lenac, pylons of Dry Dock 15 at shipyard Kraljevica.
• MPI – magnetic particle inspection of welds on rig underwater constructions: SEDU "Labin", SEDU "Panon", SEDU "Noble Carl Norberg", Rig "D.R.Stewart", Rig "Key Manhattan".
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Aquasub Company is certified by the following classification societies:
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AQUASUB SUBSEA SERVICES, Hosti 57, 51 000 Rijeka, Croatia
tel.:+385 51 269 869 fax:+385 51 260 129, GSM: + 385 91 20 20 255
e-mail:aquasub@ri.t-com.hr
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