Specifications include, but are not limited to: Specific Work Includes: • Participation with Staff and other agencies during the design phase • Creation of cost estimates at 60% conceptual and final design phases as well as schedule with each cost estimate. • Geotechnical work to determine existing soil conditions. • Identify and review existing utilities in the repair area and protect utilities in place. • Materials testing of proposed improvements including, but not limited to, concrete design, backfill and compaction, • Demolition and replacement of the existing trail system. • Construction and installation of an access road or trail to transport materials and equipment to the repair site. • Consideration and possible requirements to install a handrail or fence adjacent to the repair area due to the vertical drop. • Coordination and approval of the necessary permits from agencies such as the U.S. Army Corps of Engineers, Metropolitan St. Louis Sewer District, City of Brentwood, and Missouri Department of Natural Resources. • Progress invoicing, cost details, construction management, coordination meetings and other activities from project kick-off through and project close-out are expected.