Versabar's Non-welded Seafastening Method

Seafastening decommissioned platforms to transport barges for removal was previously accomplished by welding, which was both time-consuming and hazardous. Versabar developed a non-welded seafastening method that significantly reduces exposure time and eliminates the dangers of hot work from the operation. Using a 2 1/2 air impact wrench, sized to be safely handled by personnel on the barge, bolts are tightened to secure each leg in a support base. On June 24, a 230-ton platform was removed in just 4 hours. Once the platform was lowered into position on the barge, it took only two personnel less than 10 minutes to tighten 8 bolts to secure the 4 legs of the platform.

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