Site:
Office Building in Reno, Nevada

Problem:
For this multi-office two story building, settlements were observed very shortly after its completion. Within two years there was a maximum differential settlement of five inches. It was believed that a wedge of man-made fill, with a maximum depth of thirty feet, was causing the settlements. A number of helical pier foundations had been installed, but settlements continued.

Solution:
A compaction grouting system was successfully employed to densify all of the fill wedge, as well as to lift and level the settled areas.