Glossary

Sea fastening

Sea fastening is the temporary structure — stoppers, braces, lashings, clips and welds — that holds a cargo to the deck of a barge or vessel during a sea transport, designed for the inertia loads from the vessel’s motions in the design sea state. The sea-fastening design and the grillage beneath it are checked by the marine warranty surveyor before sailing.

Design basis

Motion criteria from DNV-ST-N001 defaults or a route-specific motion study; load cases combining roll, pitch and heave accelerations with wind; member, weld and lashing capacities with the code factors; and the barge deck, grillage and internals checked for the local reactions.

← Load-out

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Projects delivered here

Sea-fastening & load-out — crane on bargeSea-fastening design and load-out engineering for crane transportation on barge — 6 items secured for safe passage.

Services we deliver here

Sea Fastening & Load-out EngineeringSea-fastening and load-out engineering for cargo, modules and cranes carried on barges and heavy-transport vessels: motion and acceleration criteria, grillage and tie-down design, ballast and load-out sequences, and the calculation package prepared for marine warranty surveyor approval. Delivered from Mumbai to EPC, T&I and fabrication contractors in India, the Gulf, West Africa and Southeast Asia.