Manual Silt Removal in Concrete-Lined Channels

This subcontract involves the manual removal of accumulated silt and sediment from concrete-lined creek channels located beneath nine bridges in Pleasant Hill, California. The primary objective of the project is to restore and maintain the design flow capacity of the channels while ensuring strict adherence to environmental compliance standards. Managed by the Fish and Wildlife Region 3 Bay Delta office in Fairfield, the work is categorized under NAICS code 562910. To protect the surrounding infrastructure and environment, the contract explicitly mandates that all sediment removal be performed using hand tools only.