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Business Segment: Safety at height, commercial marine, Rope Access
Location: Oil Rig Platform, North Sea (Aberdeen), United Kingdom
Project Description: Stork is a global provider of integrated operations, maintenance, modification and asset integrity solutions. The company needed an agile, quick-to-deploy lifting system able to cope with a hostile environment and deliver at least six 40 m (131') lifts and lowers per day, seven days a week, at an operating load of approximately 120 kg (265 lb) per lift.
Solution/Equipment Used: Harken Industrial™ supplied the Riggers Winch 500 to meet the demands of the task. This was anchored back to a steel structure and paired with suitable fiber rope to ensure compliance with safety requirements.
To achieve a greater speed of deployment, the asset maintenance company added a Harken Industrial drill adapter to its existing pneumatic drill to operate the winch electrically, eliminating physical effort from lifting.
The working life of the winches (allowing for regular service and maintenance), was suggested at three to five years because of the harsh environment. In a normal working environment, and with recommended servicing, the winch should last in excess of 10 years.
Summary: The major logistical improvement for Stork came from the weight reduction in the 40 m (131′) of fiber rope in contrast to wire, which now enables a single winch to be continuously redeployed by a single operator around the entire site. This avoids multiple permanent installations, as would be the case for a wire rope winch. As a result, deployment speed and mobility increased, while deployment time and costs were reduced.
When compared with the pre-existing conventional wire rope solution, the Riggers Winch 500 (used with fiber rope) also resulted in safer working conditions due to a significant reduction of ignition risks.
The Riggers Winch 500 has performed in this role for over three years, delivering an estimated 200-250 km (3281′) of lifting/lowering, each at 120 kg (265 lb) per winch, with no loss of time/performance or the need for major repairs.
This Harken Industrial product is featured in the case study above: INRW500