LD2_UGW_Coring_Reference_Drawings_Part1.pdf

This document appears to be Reference Drawings related to a federal contract opportunity for the investigation and evaluation of the interior concrete condition of the upper guide walls at Lock and Dams 2 & 3.

The key details are:

• The federal contract opportunity, Solicitation Number W912ES25Q0017, is for a contractor to vertically drill and extract 8 - 4 inch diameter cores at each site (LD2 & LD3), to a specified depth, and complete lab testing including petrographic analysis and compressive strength testing.
• The contractor shall compile the results into a report to be submitted to the District Concrete Materials Engineer within 90 days of contract award.
• The contracting agency is the Department of the Army Corps of Engineers Engineering District St Paul.