LD2_UGW_Coring_Reference_Drawings_Part3.pdf

This document appears to be a set of reference drawings related to a federal contract opportunity for concrete condition testing at Locks and Dams 2 and 3.

The key details are:

The federal contract opportunity is for an investigation and evaluation of the interior concrete condition of the upper guide walls at Locks and Dams 2 and 3. The contractor will be required to vertically drill and extract 8 - 4 inch diameter cores at each site, complete laboratory testing that includes inspection, documentation, petrographic analysis, and compressive strength testing of the samples, and compile the results into a report to be submitted to the District Concrete Materials Engineer within 90 days of contract award. The solicitation number is W912ES25Q0013 and the contracting agency is the Department of the Army Corps of Engineers, Engineering District St Paul.