Ingenuity That Floats





Conversion of single hull to double hull


4792 DWT, Malta flag oil tanker M/T VEMAOIL XI belongs to Queensway Navigation Co., Ltd. of Greece has been converted to double hull oil tanker.




Design & Practice


Design work for double hull was made by TECNITAS, Greece, the consulting & outsourcing department of Bureau Veritas whereas workshop drawings were prepared by Gemak Shipyard's internal design office.




Work Description


Prefabrication and installation of side bulkheads and other additions to existing structure such as supports, web frames, beams etc. including outfitting items such as manholes, ladders etc. After completion of structural modifications, cargo tanks were blasted and coated in way of new longitudinal bulkheads. New associated foundation structures and the installation of Yokohama fenders. In addition to conversion works, routine docking and survey repairs were carried out.




All completed in 49 days


130 ton new steel fabrication and installation, piping modification, coating of cargo tank new bulkheads and other works were completed within 49 days.




Main particulars of the vessel


Class Bureau Veritas
DWT 4792
GT 3159
Length overall 98,33 m
Breadth moulded 15,20 m
Depth moulded 7,50 m