W91237-25-R-0002 Winfield Lock and Dam Flap and Roller Gate Fabrication. *Please note that Amendment 0004 has altered the solicitation shape.* Please note the solicitation, all attachments, and extended details are accessible by utilizing the below link which will take you to the PIEE system. Please note that proposals MUST be submitted through PIEE. For questions, please contact the contact james.m.holstein@usace.army.mil and/or kristin.d.blake@usace.army.mil. Via amendment, 3D PDF Docs are added to aid in preparing proposals. Please note that: *** 3D PDF documents of Standard Roller Gate and Flap Roller Gate are for visualization purposes only. The renderings are NOT FOR CONSTRUCTION. No dimensions or construction decisions shall be determined from these renderings. ***