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Shipyard name GEMAK SHIPYARD ALTINOVA SEFINE SHIPYARD
Location
Yalova, Turkey
Yalova, Turkey
Dimensions Max. Length: 68.0m / 223.1ft  | Max. Width: 28.0m / 91.9ft  | Max. Draft: 20.0m / 65.6ft Max. Length: 282.0m / 925.2ft  | Max. Width: 47.0m / 154.2ft  | Max. Draft: 9.0m / 29.5ft
GEMAK SHIPYARD ALTINOVA
SEFINE SHIPYARD
Services
  • New Buildings
  • Repairs
    • Ship Repairs
    • Conversions
    • Refits
    • Afloat Repairs
    • Engine Overhauls
    • Mechanical Services
    • Hydraulic Services
    • Piping & Fitting Services
    • Cleaning & Blasting Services
    • Coating Services
    • Carpentry Services
    • Insulation Services
    • HVAC Services
    • Design & Engineering Services
    • Steel Fabrication
    • Warehousing/Storage
    • Spare Part Service
    • Additional Subcontractor Services
    • Floating Crane Services
    • Mobile Cranage
    • Work Pontoons
    • Administration
    • Project Management
    • Procurement
    • Logistics
    • BWTS Installation
    • Scrubber Installation
    • Vessel Upgrades
    • Tank Coating
  • New Buildings
  • Repairs
    • Dry Dockings
    • Ship Repairs
    • Conversions
    • Refits
    • Afloat Repairs
    • Engine Overhauls
    • Mechanical Services
    • Hydraulic Services
    • Piping & Fitting Services
    • Cleaning & Blasting Services
    • Coating Services
    • Carpentry Services
    • Insulation Services
    • Steel Fabrication
    • Floating Crane Services
    • Mobile Cranage
    • Diving Services
    • Administration
    • Project Management
Certificates
OHSAS 18001
ISO 9001
ISO 14001
OHSAS 18001
ISO 14001
ISO 9001:2015
Description

Gemak Altınova Shipyard was acquired by Gemak Group in 2012. Construction of new yard was started in 2013, after the award of the contract for fabrication of steel decks for 3rd Bosphorus Bridge to Gemak Group. Within the scope of the investment works of the shipyard, ground improvement of the worksites with a comprising jet grouting and stabilising terrain, partially 100ton/m2 and average 10-11 ton/m2 grout carrying capacity, were completed as well as completely closed and air-conditioned, 67x28x20m dimensioned blasting hall and 68x28x12m dimensioned painting hall was built up for blasting and painting of fabricated constructions in enclosed halls for ensuring best climate conditions and environmental friendly operation, independent from the weather conditions. In additional the above ,segment assembly platforms and panel fabrication workshops were prepared both for European and Asian side segments of the bridge. For the transportation of large and heavy structures, self-propelled modular heavy load carriers (SPMT) with combination of 36 axles and 1.440 tonnes load capacity has been purchased as well as load out quay has also been utilized for transferring large structures onto the transportation vessels by means of SMPTs. 3rd Bosphorus Bridge (Yavuz Sultan Selim Bridge), which is the most spectacular section of the Northern Marmara Highway Project, reaches a height of 322 metres, width of 59 meters and is 1.408 metres length has been fully completed and delivered with a significant track record of construction pace in our shipyard . Entire work of bridge construction work scope consists of steel deck fabrication consisting of 59 segments and weights about 48.000 tons, mega panel fabrication, segment fabrication, trial assembly, blasting & painting, transportation to vessel by using own SPMTs, delivery to construction site using a deck cargo ship M/V “NETA” which has been equipped with Dynamic Positioning System (DP-1). Gemak Altınova Shipyard has also been completed powership conversion projects, which are the ships that are mounted fully integrated floating power plants. Within the scope of projects, two of 290x45 m bulk carriers have been converted to Powership those are generating electricity with 21 of Diesel Generators, built utilizing dual fuel engine technology with fuel flexibility through HFO, Natural Gas and 2 of steam turbine. Entire work of each project scope consists of 7,000 tons of steel and 1500 tons of pipes fabrication, blasting, painting, installation and more than 1,500 pcs equipment instalation. 450MW floating power plant capacity powerships will supply power directly into the transmission network from its onboard high-voltage substation from ports of countries. Gemak Altınova Shipyard has already reached steel fabrication and painting capacity for large steel structures. Shipyard will continue to take increasing role in construction of off-shore platforms, floating docks, bridges, large sections of ships and repair/conversion of the all kind of vessel up to 400m in close future. Shipyard is founded on total 147.805m² area, which consists of 12.999m² closed and 134.806.401m² open facilities.more

Sefine Shipyard was established in 2005. It is located in Yalova, Türkiye. Purpose-built on 140.000 sqm, Sefine Shipyard comprises a range of splendid facilities including a full service on-site Design Office and well-equipped with highest technology Indoor Halls and Workshops, also experienced and dynamic engineers staff, skilled and qualified subcontractors portfolio to occupy for new ship building, ship repair, docking and conversion. Throughout dealings with our yard, our customers can be confident of robust investment of our main partner, KOLIN Construction, Tourism Industry & Training Co. Inc. Sefine Shipyard designs and constructs any type of vessels in its range of capability and may give complete design package from conceptual design to detail design, 3D modelling and class drawings and documents. Various of turn-key new building steel / aluminum vessels from cargo ships to tug boats, from open sea service vessels to ferries have been built. Sefine is the shipyard of the “most” and the “first” in Türkiye, with successful turnkey deliveries from the date of foundation,2005 ; provided its customer the best design service, the most realistic planning, the highest quality, the most successful and satisfying delivery and securest guarantee engineering. Also earned the customer trust with the highest standards. Sefine is also having the biggest Dry Dock in the region at 240x42x9 meters and docking up to Big Panamax size vessels. All main services and works are performed the Dock is also extremely competitive in terms of pricing, Quality and delivery. Sefine offers and will offer; Advanced Design, High Technology, Perfect Quality, Reassuring Partnership.more

Facilities
Type Name Length [m/ft] Width [m/ft] Draft [m/ft] Lifting capacity [t] Max crane SWL [t] Num. Cranes
Lay-by berth Please log in or register now. Please log in or register now. Please log in or register now. Please log in or register now. Please log in or register now. Please log in or register now.
Repair Hall Blasting Hall Please log in or register now. Please log in or register now. Please log in or register now. Please log in or register now. Please log in or register now. Please log in or register now.
Repair Hall Painting Hall Please log in or register now. Please log in or register now. Please log in or register now. Please log in or register now. Please log in or register now. Please log in or register now.
Type Name Length [m/ft] Width [m/ft] Draft [m/ft] Lifting capacity [t] Max crane SWL [t] Num. Cranes
Graving dock SFN Dock 1 Please log in or register now. Please log in or register now. Please log in or register now. Please log in or register now. Please log in or register now. Please log in or register now.
Floating dock SFN Dock 2 Please log in or register now. Please log in or register now. Please log in or register now. Please log in or register now. Please log in or register now. Please log in or register now.
Slipway Please log in or register now. Please log in or register now. Please log in or register now. Please log in or register now. Please log in or register now. Please log in or register now.
Deviation cost
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