LD2_UGW_Coring_Reference_Drawings_Part2.pdf

This document appears to be a set of reference drawings related to a federal solicitation for concrete testing services. The solicitation, titled "LD2&3 Concrete Testing", is being issued by the Department of the Army Corps of Engineers Engineering District St Paul. The contractor will be required to vertically drill and extract 8 - 4 inch diameter cores from the upper guide walls at Locks and Dams 2 and 3, perform lab testing including petrographic analysis and compressive strength testing, and provide a report to the District Concrete Materials Engineer within 90 days of contract award. The solicitation number is W912ES25Q0017.