LD3_UGW_Coring_Reference_Drawings.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 referenced federal contract opportunity, solicitation number W912ES25Q0013, is seeking a contractor to investigate and evaluate the interior concrete condition of the upper guide walls at Locks and Dams 2 and 3. The contract requires the contractor to vertically drill and extract eight 4-inch diameter cores at each site, complete lab testing including petrographic analysis and compressive strength testing, and compile the results into a report to be submitted within 90 days of contract award. The contract is being issued by the Department of the Army Corps of Engineers Engineering District St Paul.