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Mammoth Road

DW Mertzke Mammoth Road Project Details

    Project: Big River Remediation, EPA, Mammoth Road Sediment Capture
    Client: US Army Corps of Engineers-St. Louis District
    Contract No. W912P9-17-C-0022
    NTP: 8/31/17, Completion Date: 12/15/2017, 100% Complete

    The US Army Corps of Engineers-St. Louis District awarded a contract to DW Mertzke General Contractors to perform streambank restoration and to construct a sediment trap adjacent to the Big River in Jefferson County, Missouri. The areas upstream are contaminated with lead from historic mine tailing and the purpose of the project is to construct a structure to trap lead contaminated sediment. This project consists of excavation, care of water, construction of riprap grade control structures, excavation and disposal of contaminated sediment and establishment of turf. This project has required close coordination with COE, EPA personnel as well as the local landowner. This project was completed approximately one month ahead of schedule. DW Mertzke self-performed 96% of this contract.