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Structural & Fabrication

Hull, side, bottom renewal and conversions.

Hull, deck and structural steel work. Performed dockside, alongside or at sea, under class society oversight. Side renewals up to 600 tonnes have been executed without dry docking where feasible.

Materials
Grade A, AH36, 5083
Scope
Up to 600 tonnes
Welders
Certified
Coverage
Worldwide
FIG. 02 Steel renewal. ballast tank

Plate, side and bottom work.

The team renews plating, frames, stringers and longitudinal members in the materials specified by class. Prefabrication is performed at the Perama factory and final assembly at the dock or alongside.

01

Hull, side and bottom renewal

Crop and renew of damaged or wasted plating across the hull, side, bottom and bilge regions.

  • Bottom plate renewal in Grade A and AH36
  • Side shell renewal with stiffeners and frames
  • Repair without dry docking where feasible
  • Pillar installation to prevent thermal distortion
02

Bow, stern and aft area extensions

Stern and bow extensions prefabricated in factory and installed on a floating dock.

  • Aft section extension up to 6.5 metres
  • Bow thruster removal and double bottom work
  • Floating dock installation
  • Daily alignment verification with measurement equipment
03

Bulkhead, double bottom and corrugated work

Replacement of corrugated bulkheads, double bottom plating and floors.

  • Corrugated bulkhead renewal in AH36
  • 16 mm and 18 mm thicknesses
  • Bulkhead shaping at the factory
  • Inspection by penetrant liquid (D-CHECK)
04

Welding and certification

Welding by certified welders to the procedure specifications of the class society and shipbuilder.

  • Photocell and CNC plate cutting
  • Welding by certified welders
  • Procedure qualification per class
  • Non destructive testing on completion