INTERRA provided a variety of Quality Assurance services for this project which included testing and inspection on soil, concrete, grout, masonry, mortar, and asphalt. For soil, INTERRA performed soil compaction testing on the subgrade, sidewalks, and landscape. INTERRA completed proof roll testing and monitored overall soil conditions. Other testing and inspection services were performed on slabs, curbs, sidewalks, parking lot, footings, and binder. Testing and inspection was conducted on concrete, both in the plant and in the field. Services included rebar and footing testing and inspection. INTERRA also provided torque testing, stud testing, bolted connection inspections, and weld inspections. INTERRA performed fire-proofing/fire-safing testing and inspection, collected samples for density, verified thickness, bond testing, inspected steel and rebar for duct banks, and inspected beams and columns.
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