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San Sevaine Channel

San Sevaine Channel

 

San Sevaine Channel
Location: Fontana, CA
Client: County of San Bernardino Flood Control District
Construction Cost: $85,000,000t
The San Sevaine Creek Water Project was officially initiated in 1984 to address flooding and debris flow from mountains near the areas of Fontana, Ontario, and Rancho Cucamonga. Designed in several segments totaling 14,800 feet of concrete channel, the alignment crossed under the 1-10 Freeway and the BNSF railroad right-of-way, requiring a 14-by-14-foot, cast-in-place reinforced-concrete box. The addition of several water conservation basins will percolate an estimated 25,000 acre-feet of storm-water runoff per year into the Chino Groundwater Basin benefiting residential, agricultural, municipal, and industrial water used in the valley. Increased water conservation will occur as the result of an additional 5,400 acre-feet of water storage.

RMA Group was repeatedly awarded contracts to provide geotechnical, geologic, materials, and inspections services for each segment of the project over a span of 12 years. RMA’s services consisted of coordinating materials testing and inspection requirements with the District’s staff, providing materials testing technicians and inspectors to perform field and laboratory tests, and ensuring construction inspection as required, verifying conformance of the materials for the project to the approved plans and specifications. A geologist evaluated the native soils exposed in the excavation for the foundation of the levees.  Materials testing technicians and construction inspectors worked under the direction of the Resident Engineer, Carrie Schindler, who said of RMA’s staff member, “Brian Platt was an integral part of the District’s inspection staff for the San Sevaine Creek Channel… coupling his extensive knowledge of construction methods and materials with the contract documents to insure the project was well constructed.”