Pennsylvania State Police Headquarters
Subsurface Constructors installed 383 stone columns for the Pennsylvania State Police Headquarters in Philadelphia, Pennsylvania. The site consisted of sand and silt with an average depth range of 20 to 40 feet, sandy soil with an average depth range of 4 to 6 feet and fill material with an average depth range of 2 to 8 feet. Upon project completion, the site could support a maximum bearing pressure of 5,000 pounds per square foot.
Owner: Commonwealth of Pennsylvania
Geotechnical Engineer: NTH Consultants
General Contractor: Smith Construction
Services Provided: Ground improvement, stone columns
Location: Philadelphia, Pennsylvania
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