Sunkar
Dry-docking, structural assembly, testing, systems reinstatement and coating works for the deck cargo ship Sunkar.
Project Info
Vessel information
- Vessel Name
- Sunkar
- Vessel Type
- Deck Cargo Ship
- IMO
- 9814545
- Client
- Blue Bulkers Limited
- Duration
- 23.05.2018 - 17.08.2018
- Service
- Repairs and Conversions
Technical parameters
Principal Dimensions
Principal Dimensions
- Length
- 113.01m
- Breadth
- 21.24m
- DWT
- 5201t
- Draft Summer
- 4m
Overview
Project execution
The Sunkar project combined dry-docking, transfer to repair slab, structural reassembly, NDT and tightness testing, equipment reinstatement, hydraulic and electrical works, ballast piping installation and final coating activities. The scope was delivered for Blue Bulkers Limited between May and August 2018.
Scope of Work
Repair scope
- Dry-docking/undocking of the vessel inclusive arrangement of the tug boats
- HP washing of the main hull underwater areas on vessel arrival
- Transferring of the vessel to repair slab
- Cutting and removing of transporting grillages, sea-fastening, temporary handrails, bumpers, blanking plates and unloading of cut off units
- Alignment of the deformation on cutting lines
- Welding of the cut units to the main hull
- Re-installation of draft marks and permanent hull markings after assembly
- NDT testing of the welds as per Class requirement
- Tank tightness test of the reassembled tanks (air test)
- Steel works for relocation of six 2x25 t bollards
- Re-installation of life boats, davits and motors
- Assembling of hydraulic system
- Electrical works for installation of life boats, davits and motors according to supplier technical documentation
- Assistance on life boat davit electrical test and hydraulic system test
- Installation of dismantled equipment on reassembled wing tanks area
- Installation of ballast system pipes and alignment of seachest fixed pipes on reassembled wing tanks area
- Power tooling, blasting where necessary, touch-up painting and cosmetic coating of external hull with yard supplied paint material
Timeline
Milestone control
Each stage is organized around production readiness, quality records, and yard coordination.
Stage 01
Docking and preparation
The vessel was dry-docked, washed, transferred to the repair slab and prepared for structural works.
Stage 02
Structural and systems works
Cut units were aligned and welded, tanks were tested, bollards relocated, and hydraulic, electrical and ballast systems were reinstated.
Stage 03
Testing and coating
Class-required NDT, tightness testing, equipment checks, touch-up painting and cosmetic hull coating supported final close-out.
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