Description

We were hired by the owner to do compressive strength testing on concrete cylinders per ASTM C39/C39M-21 standards. The concrete samples were taken at 7 days, 10 days and 28 days. The samples were from the NY/NJ Port Authority AOA perimeter security fence that was being installed.

Location
John F. Kennedy International Airport (JFK), Queens, NY, USA
Airport apron excavation with lifts and a worker, and a yellow test unit in the foreground