**PLEASE SUBMIT PROPOSALS TO ELIZABETH DENNISON AT: elizabeth.a.dennison@usace.army.mil Amendment 0006 - The purpose of this amendment is to revise the specifications, source selection plan, and to extend the solicitation closing date. Amendment 0005 - The reason for this amendment is to incorporate revised Specifications.Amendment 0004 - The reason for this Amendment is to extend the closing date and time from 26 July 2021, 2:00 PM CST to 02 August 2021; 5:00 PM CSTAmendment 0003 - The reason for this Amendment is to incorporate Appendix D - USACE Past Performance Questionaire into the Source Selection Plan of the solicitation.Amendment 0002 - The reason for this amendment is to incorporate revised Specifications and Plan-Set Drawings.Amendment 0001 - The reason for this Amendment is to extend the Question and Answers via ProjNet date and time from 09 July 2021, 2:00 PM CST to 12 July 2021; 5:00 PM CSTFabricate and supply Miter Gate Machinery Gear components for Brandon Road Lock, Dresden Island Lock,Marseilles Lock, and Starved Rock Lock located on the Illinois