Ship Design/Conversions

imgRegarding general ship design, our scope of work is smaller special purpose ships made of metallic or non-metallic materials such as ferries, tugs, passenger catamarans, supplier vessels, excursion ships or similar. In cooperation with our partners we can offer hull form design, stability calculations, structural design, classification documentation and detailed drawings of structure and ship systems. Our past projects nclude conversion of a bulk carrier into a log carrier for our partner Massoel ltd. under the supervision of Bureau Veritas. For examples of calculations or reports see here. Our current project is structural detailed design of hoistable vehicle decks and access ramps on Ro-Ro ships with our partner Macgregor Croatia.

Class Compliance Calculations


We also make calculations for checking compliance of ship structure and/or equipment with class requirements. Our recent activities include calculations of compliance of bulk carriers with IASC UR S 26, 27, 30 and 31 as well as production of emergency towing booklets and cargo securing manuals for various ships. We also worked on renewal of cranes with weld cracks and redesigning of various structural parts which were inadequate for their purposes i.e. calculations and redesigning of windlass bases, anchor chain stoppers, mooring bitts etc.

Sun Odyssey 43 for Charter

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Rent a Sailing Yacht from Biograd

Spend magic moments on your summer holidays in world-known Kornati archipelago. Rent a sailing boat Jeanneau Sun Odyssey 43 from marina Kornati in Biograd through Bonum d.o.o. Bareboat and skippered boat charter available. Accommodation for 8+2 persons. Contact us for pricing and booking details.

Our mission

Our company mission is to help designing better and safer structures in all fields of engineering to ensure their safe and effective operation without risks of failure as well as easy maintenance.

Our policy in structural and general design is to rely on experience, to implement proven solutions and to find simple responses to complex demands.



Bonum d.o.o. za trgovinu i usluge

Phone: +385 91 547 5679
Address: Dugi dol 42, HR-10000 Zagreb