Case Study

Customer Profile

GRSE is among the leading shipyards in the country and the premier yard in the East. It builds a wide range of ships from modern Warships to sophisticated Commercial Vessels, from small Harbour Craft to fast and powerful Patrol Vessels. It is among the few shipyards in the world with its own Engineering and Engine Manufacturing divisions. Growing on its solid base of experience of over 100 years of excellence, GRSE looks confidently ahead to the challenges of the new millennium

Project Statement

GRSE employs the latest techniques to construct ships for both defence and commercial purposes. GRSE has modern Design Department with excellent Computer Aided Drafting and Design facilities and is fully equipped with latest cutting edge technology CAD/CAM/CIM tools. GRSE had invited offers from reputed and experienced firms for undertaking Triennial Rate Contract for Generation of 3D Modeling Production Drawings through Tribon M3 Software for construction Programmes of Naval Warships.

Rolta’s Solution offered:

Generation of 3D Product Model in Tribon M3

• The 3D Product Model work involved pertains to the following categories: -
  • Creation of new volumes in Tribon M3 for Engineering / Electrical / Weapon / Outfitting / Structural / Miscellaneous Items / Equipments. Based on complexity of these items/equipments, these are categorized as Simple, Medium and Complex
  • Creation of structural 3D model in Tribon M3 comprising of curved and planar structures of side shell, decks, bulkheads, tanks, superstructure, masts, funnels etc. by positioning the plates, stiffeners, penetrations/ deck pieces, platforms, brackets etc.
  • Creation of outfitting 3D model in Tribon M3 by positioning the equipments, fittings, outfitting items, accommodation items, routing of pipes/ducts/cable trays/conduits, locating pipe/duct/cable supports etc. in the already existing 3D Tribon M3 Structural Model.
  • Creation of 3D model in Tribon M3 of structural foundations for equipment, sea tubes, racks, brackets, Outfitting items etc. in the 3D Tribon M3 Structural Model. The minuteness, attributes and extent of detailing was specified in our Technical Solution.

Generation of Drawings from 3D Product Model in Tribon M3

• The work involved in Generation of Drawings from 3D Outfitting model pertains to the following categories: -
  • Structural Production Drawings/data: The structural production drawings and data were generated for unit drawings, seat drawings, nesting drawings, nesting data, parts list, rolling sets data, skid heights, fairing of lines/surfaces and generation of loft book data and weight and center of gravity reports.
  • Composite Layout Drawings: These were generated for Machinery/Engineering Compartments, other than Machinery Compartments and Accommodation Compartments.
  • Equipment Layout Drawings: These were generated for major Machinery/Engineering Compartments.
  • Pipe/Ventilation Sketches: These were generated for all pipe/ventilation systems from 3D Outfitting Model.
  • Structural Manufacturing Drawings for Outfitting Items: These were generated for outfitting items like furniture, racks, brackets etc.

Benefits to the Customer

• Creation of production drawings using 3D modeling software.
• Reduce project schedule with automation of drawings
• Create database for follow on projects.