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 testing and analysis at Lock and Dams 2 & 3.

The key details of the federal contract opportunity are: The contractor will perform an investigation and evaluation of the interior concrete condition of the upper guide walls at Lock and Dams 2 & 3. This will involve vertically drilling and extracting 8 - 4 inch diameter core samples from each site, to a specified depth, and conducting lab testing that includes inspection, petrographic analysis of 2 cores per site, and compressive strength testing of 10 cores. The results must be compiled into a report and submitted to the District Concrete Materials Engineer within 90 days of contract award. The Solicitation Number is W912ES25Q0017, and the Opportunity Type is a Solicitation issued by the Department of the Army Corps of Engineers Engineering District St Paul, a defense agency.