General Growth Properties retained Oweis Engineering Inc. (OEI) to provide construction quality control services including fill placement, concrete testing, and steel testing, during the proposed construction of a new retail center of five buildings at the Bridgewater Commons Mall. OEI’s services included: Laboratory Testing of proposed fill materials. Observe excavation, stripping and compaction of placed fill. Concrete testing. Observing reinforcement steel placement for size, grade and laps. Structural steel/welding/bolting inspection.