Flood control channel construction. A structural concrete municipal project. Work included concrete lining (4,220 cubic yards of Shotcrete), Box Culverts and transition structures (545 Cubic yards of Cast in Place concrete) Reinforcing steel (285,000 lbs.) Rip rap channel protection (2,700 tons), earthwork (28,700 cubic yards), de-watering and storm drainage upgrades.
A civil project in Chula Vista, CA applied box channel construction as a remedy for flood control. The work included extensive shoring using temporary soil nail walls (4,900 square feet) and storm water by-pass systems (2,950 lineal feet). Box channel cast-in-place concrete with (3155 cubic yards and 345,000 lbs. of rebar) was installed including 31,600 cubic yards of grading and the addition of 3 pedestrian bridges across the completed channel.