HELITECHCCD.COM 800-246-9721 PROJECT CASE STUDY © Helitech CCD 2016 EARTH SHORING GROUND IMPROVEMENT DEEP FOUNDATIONS AGGREGATE PIERS / VSCs MICROPILES GROUTING Sector: Government Facility Description A new, six-story, 169,000 square foot Visiting Quarters was planned for Scott Air Force Base in St. Clair County, Illinois. Column loads on the order ranged from 450 – 580 kips. In at least one instance, multiple columns were to be combined into a single footing to provide a total vertical load of approximately 1150 kips. Existing undocumented fill was encountered to depths ranging 2.5 feet to 8 feet below existing grade in some borings. Additionally, a high plastic clay with layers of silt/organic silt at depths ranging from 3.5 feet to 22 feet below grade. Requi

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