Experienced Geotechnical Contractors helitechccd.com 1-800-246-9721 EARTH SHORING GROUND IMPROVEMENT DEEP FOUNDATIONS VIBRATORY STONE COLUMNS MICROPILES GROUTING PROJECT CASE STUDY Sector: Power Plant Description The design requirements for this deep foundation were 200 kips compression, 125 kips tension, and 25 kips shear. The soil borings revealed limestone at an approximate elevation of 135 feet. Above that was a mixture of gravelly sands, sands, sandy silts, and fill extending to the surface. The job site location was near the Missouri River. Solution Based on the sub-surface conditions and the design requirements, Helitech chose a Hollow Bar Micropile System that was designed as a friction pile to handle the loads. Helitech first installed casing at every Mi

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