I am dealing with a difficult concrete subcontractor. They poured a 30" tall retaining wall and the quality is poor. The wall is only approximately 40' long and 30" tall. In spots the wall is standing 1-1/2" out of plumb. The wall is also 3/4" out of true at each end of a 30" straight edge. The...
BACKGROUND:
We are in the early stages of construction of a design build power plant in Southern California. Part of the project includes a small bridge with drilled caissons supporting the abutments. In the area where the caissons are to be installed the geotechnical report shows that augers...