Deck Crane · Deck Cranes
SMST Designers & Constructors BV Offshore Crane L-Series (KBC-L) — Deck and offshore cargo handling, subsea operations up to 3000m water depth; confirmed deployments on vessels including Lilly Bordelon (60t variant) and Van Oord Calypso (100t variant).
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
Other models of the same equipment type, SMST Designers & Constructors BV first.
| Wire rope inspection | before each critical lift and at least monthly |
|---|---|
| LMI calibration check | annual |
| Hydraulic oil sampling | quarterly |
| Full load/proof test | annual function test, full proof load test per class interval (commonly every 4-5 years) |
| Slew bearing lubrication | per maker's schedule, often weekly to monthly |
| Wire rope discard criteria | typically assessed per ISO 4309 broken-wire-count and diameter-reduction thresholds for the specific rope construction fitted - confirm against class/ISO tables |
|---|---|
| Slew bearing raceway wear/backlash | monitored against the maker's maximum stated clearance, which is size- and load-class-dependent - confirm against SMST's manual |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Offshore/deck cranes are surveyed under class lifting appliance rules - annual thorough examination, periodic (typically 4-5 yearly) proof load test, wire rope condition records and NDT of structural welds, with the LMI/overload protection function test witnessed by the surveyor.
Estimated lifetime: Not typically expressed in running hours; offshore cranes of this class are commonly designed for a structural fatigue life of around 20-25 years at the rated duty cycle, subject to periodic NDT and load testing rather than an hour-based limit.
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