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Fibre Rope Crane Frc

Deck Crane · Deck Cranes

Technical data from manufacturer or class sources · not yet verified by a person​‍‌‌‍‌‍​‍‍​⁠​‍‍​​​‍‌

The Kongsberg Maritime AS Fibre Rope Crane Frc is a subsea lifting crane concept that uses high-strength fibre rope as the main lifting line instead of conventional steel wire in the approved configuration. The crane is installed on offshore construction or subsea vessels and combines the crane structure with a fibre-rope winch, sheaves, controls and load-monitoring equipment. Using fibre rope can reduce the suspended line weight at large water depth, which helps preserve useful hook capacity compared with a heavy steel wire of equivalent length. The system is intended for controlled deployment and recovery of subsea equipment and may include motion-compensation functions depending on the exact crane configuration. Fibre rope introduces inspection and handling requirements that differ from steel wire, especially regarding abrasion, crushing, contamination, sheave compatibility and storage. The exact safe working load, depth rating, rope construction and discard criteria must be taken from the crane certificate and manufacturer documentation; refer to the manufacturer documentation for the exact figure.

Specifications

Technical data.

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Safe Working Load150t 250t
Operating depth (m)4500
Min outreach (m)7 11
Max outreach (m)31 40
Winch speed (m/s)0-1.5 (all layers)*
AHC capacity (peak to peak)4.8m at 10s period(all layers)* 3.2m at 10s period(all layers)*
Heavy lift capacity (double fall)300t at 2250m 500t at 2250m
Aux winch capacity10t / 20t
Tugger winch capacity (t)5
Slewing+/- 200 degrees rotation
Peak power consumption (kW)1300 2300
CertificationDNVGL-ST-E407 'Rope-baseddeployment & recoverysystems for designed service'
Key featuresState-of-the-art operator cabin
OptionsHealth monitoring
Data SheetsFibre rope cranes - DDC50FR
Specifications may vary for given applications.* Varies according to applied load.
Service

Service notes.

What our service work and the manufacturer documentation say about keeping this model running.

Inspect the fibre rope using the maker-approved inspection method and protect it from contamination, sharp edges, heat and incompatible deck handling. Check sheaves, drums, traction equipment, bearings, winches, boom structure, pins and hydraulic/electric drives. Function-test load monitoring, limits, emergency stops and motion compensation where fitted. Rope discard criteria, proof-load requirements and crane settings must come from the certified manufacturer documentation.

Inspection

Common failures & inspection points

Spares

Replacement Parts

Spare parts notes

Carry rope-handling and inspection consumables, approved rope protection items, hydraulic filters and seal kits, selected hoses, sheave/bearing service parts, load/position sensors, limit switches and control components. Replacement fibre rope is a critical engineered item and must exactly match the certified crane configuration.

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