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South Anchor Piles These are 30-inch diameter plumb piles for the Lower and Middle Tier of the South Anchorage. Piles are being driven into bedrock and ranges from 75-110 feet from original ground.

Lower Tier Total = 95 piles
Middle Tier Total = 76 piles
Upper Tier Total (not shown) = 209 piles

South Anchor Piles
South Anchor Piles 30-inch diameter piles that are 60-80 feet in length are stabbed/driven into ground. A 60 feet long pile is added by field butt-splice (welding). After the welds have cooled, the piles are then driven to the required tip elevations.