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iPipe Services were engaged to clear three DN630 gas pipelines running under the Condamine River. The added challenge was that each pipeline required a different approach due to the reason for blockage:
The compromised pump was removed, and we designed, fabricated and installed our proprietary Pipe in Pipe LPDs into all three lines to maintain flow, and to prevent future blockages. We also carried out a complete vibration analysis on the insertion pipe to mitigate the risk of fatigue failure.
The solution we provided was an industry first, as the insertion tube used was larger and longer than any previous job. The job required tubes measuring 350m in length, 63mm in diameter, compared with the typical 150m and 25mm.