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About one third of Keller's vibro concrete columns (VCC) contracts include CPT testing by Fugro.

About one third of Keller's vibro concrete columns (VCC) contracts include CPT testing by Fugro. Despite the small additional investigation cost (for one day on site), the ability to offer a lump sum price, the speed of construction and often substantial savings in comparison to a conventional piling scheme, can make the CPT/VCC package a very attractive proposition.

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