Ship & Boat BuildingFloating DockSedef Cuts Steel on 23,500t Floating Dock for Colonna’s Shipyard

Sedef Cuts Steel on 23,500t Floating Dock for Colonna’s Shipyard

Delta Marine floating dock design to deliver 23,500t lifting capacity under Bureau Veritas class

Sedef Shipyard has marked the start of construction on a new 23,500t lifting capacity floating dock with a steel cutting ceremony for hull NB231. The floating dock, designated DLT-211 is designed by Delta Marine, is being built for USA based, Colonna’s Shipyard.

The floating dock will be constructed under Bureau Veritas classification and is designed to service both commercial and naval vessels in accordance with MIL-STD-1625D standards. Delta Marine is overseeing the project’s full scope of basic and detailed design.

The programme builds on an established partnership between the stakeholders, following the successful delivery of an 11,500t floating dock completed between 2015 and 2017. The companies highlighted their continued collaboration, underpinned by long-term cooperation and mutual trust.

Speakers at the ceremony included Sedef Shipyard’s Business Development Manager Ethem Rıdvan Çim and Strategic Planning and Business Development Director & Operations Director Fahri Arısoy, alongside Mark Essert, Executive Director of Facilities at Colonna’s Shipyard.

The steel cutting marks the first major milestone in the project, initiating a construction process that will progress through close coordination between all parties.

Floating Dock Main particulars:

  • Length overall: 224.50 m
  • Length along pontoon deck: 212.00 m
  • Breadth (external): 43.50 m
  • Breadth (internal): 35.50 m
  • Pontoon deck height (CL): 4.90 m
  • Maximum lifting capacity (commercial vessels): 23,500 tonnes

Latest News

The International Institute of Marine Surveying (IIMS), working in collaboration with the International Marine Contractors Association (IMCA) and the Workboat Association, has announced the publication of the International Workboat Code of Practice, a 122-page guide providing best-practice guidance for the construction, operation and surveying of commercial workboats.

IIMS, IMCA and Workboat Association Launch International Workboat Code of Practice

IIMS, IMCA and the Workboat Association collaborate on a 122-page guide covering vessel safety, operational standards and crew competency for commercial workboats worldwide The International...
The world’s largest battery-electric ship has officially entered commercial passenger service, marking a major milestone for maritime electrification and zero-emission vessel operations. Built by Incat Tasmania for long-standing customer Buquebus, the 130-metre China Zorrilla has completed its maiden commercial voyage between Buenos Aires, Argentina, and Colonia, Uruguay, across the River Plate.

China Zorrilla Begins Electric Ferry Operations

Built for Buquebus to connect Argentina and Uruguay, the China Zorrilla, the world’s largest battery-electric ferry, marks a major milestone in large-scale marine electrification...
Boluda Towage has expanded its Norwegian fleet with the addition of VB NORWEGIAN FALCON, a new tug built by Sanmar Shipyards to support towing, vessel assistance and offshore operations in demanding maritime environments.

Boluda Towage Takes Delivery of VB NORWEGIAN FALCON

Sanmar-built VB NORWEGIAN FALCON features RAstar 3200 SX design, ASD propulsion and more than 6,700 hp Boluda Towage has expanded its Norwegian fleet with the...
SWITCH Maritime has secured a Design Basis Agreement (DBA) from the United States Coast Guard (USCG) for its SWITCH-150 hydrogen fuel cell-electric ferry, marking a key milestone in the development of the 150-passenger vessel. Designed by naval architecture firm Incat Crowther, the SWITCH-150 combines hydrogen fuel cell-electric propulsion with onboard hydrogen storage to support high-frequency ferry operations without compromising service schedules or requiring shoreside charging infrastructure.

SWITCH Hydrogen Ferry Clears Key US Coast Guard Milestone

The US Coast Guard agreement establishes a regulatory framework to guide construction, commissioning and future commercial operation of the hydrogen-powered ferry SWITCH Maritime has secured...

Related news