November 2011, Vol. 238 No. 11

TechNotes

Screw Anchors Go To Work Stabilizing Pipelines

For the past 30 years, AnchorPipe has designed and installed over 100,000 screw anchors and ScrewPiles to permanently stabilize new and existing pipelines. In the past two years, the firm says it has seen a variety of applications for screw anchors and ScrewPiles from buoyancy control in flood prone areas, lowering pipelines to their original elevation, supporting pipelines over onshore creeks and offshore risers, and in storm current (lateral load) protection. California. In summer 2010, AnchorPipe installed 36 ScrewPiles, each holding 100 Kips, on Chevron’s 63-inch HDPE pipeline offshore from El Segundo, CA. The company used one of its anchoring rigs to stabilize the anc

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