Chula Vista, CA – Construction of a 17,000 square foot Soil Nail wall to provide earth retention for the construction of new Clear Well water storage tanks. The wall measured approximately 54 feet at its tallest point. Over 500 cubic yards of Shotcrete was installed in addition to 530 soil nails ranging in length from 25 to 52 feet deep. Excavation for the wall required in excess of 35,000 cubic yards of grading.