Winch Proof Load Testing

Hydro-Wates has extensive experience proof load testing many types of industrial winches, including the following:

  • J-tube Pull-in Winches
  • Crane Hoist Winches
  • Survey Vessel Streamer Winches
  • ROV Launch Frame Winches

 

The use of Hydro-Wates water bags and certified load indicating equipment ensures compliance with regulatory and certifying authority requirements for periodic proof-load testing of these machines. We can provide certification of proof-load test results to internationally recognized standards specified by Det Norske Veritas – Germanischer Lloyd (DNV-GL), American Bureau of Shipping (ABS), Bureau Veritas, Lloyds Register, OSHA, and others.

winch proof load testing
172 Ton Proof Load Test of J-Tube Pull-in
Winch off side of Semi-Submersible Rig

J-Tube Pull-in Winches

The use of water bags for J-tube pull-in winch load testing is recognized as a safe technique for slowly applying the test load. This allows technical problems with the winch to be recognized and corrected prior to reaching the full test load. In addition, load water can be drained without having to lower the test weight. This would be helpful in situations where the hoisting system or brakes were compromised in some way.

Hydro-Wates can also provide custom designed rigging arrangements using company owned high capacity load cells, spreader beams, slings and shackles. We stock this equipment in-house to enable rapid mobilization to your job-site. Our load cells are re-calibrated annually to ensure the measured loading on your winch is reported accurately. In addition, our load cells are sufficiently accurate to allow for calibration of your winch’s load indicating system (if so equipped). This is normally performed by staging up the test load to several calibration points, thereby enhancing the accuracy of the measured load once the winch is placed into service.



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to inquire about a quote from Hydro-Wates®
or call us today at 877-643-9990