Shiprepair and Shipbuilding

Lithuanian company JSC"GRGC Invest"  provide high qualified and experienced Welders:
MIG, TIG, Stick, MIG Flux Core Welders, Pipe welders, Fitters, Grinders for various contracts

All Welder‘s test certificate holders issued  by German  TUV  Thuringen,  DNV,  Lloyd's Register and Bureau Veritas (111, 131, 141, 136). All workers are highly experienced with minimum of 5 year working background in shipbuilding, ship repairs, pipe laying.

Our main activity is shiprepair and shipbuilding:

  • We are also engaged in manufacture of various steel, stainless steel and aluminium constructions.
  • Ship constructions for ships: superstructures, boats, ladders, hull attachments etc. - manufacture and repair
  • Hatch covers - modernization and repair
  • Our qualified and well-equipped personnel meets the requirements of complex repairs of ship equipment and hull constructions

Pipes welding Pipes welding Stainless steel weldingWelding seam


Ship building Building blocks and grand-blocks Building blocks and grand-blocks Arc welding (MMA)

Fields of possible cooperation and services available:

Arrival to the location of the ship to develop flow sheet for the planned repair with consideration of:

  1. Compiling of the schemes of metal replacement with indication of the weight of each part, based on dimensions of the parts and visual inspection.
  2. Evaluation, engineering development, recommendations for repair performance of kinematics and hydraulics of hatch covers.
  3. Computation of preliminary cost on the basis of inspection of repair work including costs of materials.
  4. Engineering controlling during working process at shipping companies.
  5. Repair by company’s own experienced workers as well as repair with involvement of sub-contracting companies for all types of ship repair.
  6. Performance of emergency repair works during the sea passage or during the time ship stays at port.
  7. Engineering development for modernization and strengthening ship’s hull and shore constructions.
  8. Flow sheet development for metal cutting performed in AutoCAD program.

The offer is also applicable for shore metal constructions

Ship repair Ship hull cutting Hull cutting Welding

Our specialists are certified by the major international Classification Societies:

  • Lloyd's Register
  • DNV Det Norske Veritas
  • TÜV Thüringen
  • Bureau Veritas
  • TPT Technical Supervision Service (Lithuanian)

Attestation of specialists:

Lithuanian Ministry of Environment issued the certificate number: 6354

All Welder‘s test certificate holders issued  by: