RECOVERY--Z--PROJECT NUMBER 6000, Fort Gibson Lake, OK

RECOVERY - PER FAR 5.7 THIS NOTICE IS PROVIDED FOR INFORMATION PURPOSES ONLY; THEREFORE FAR 5.203 DOES NOT APPLY. THIS OPPORTUNITY WAS AVAILABLE ONLY TO CONTRACTOR(S) UNDER: Hartman Walsh, W912BV-09-C-1013, Civil Works Contract

As part of Operations and Maintenance, Army, Recovery Act, this modification has been issued to Hartman Walsh Painting Co., to perform the following work: Replace in kind both corroded L6x6x3/8 vertical angles and tie plates connecting the upper and lower trunnion beams of Gate 9's west trunnion anchorage. Replace with like material, A36 L6x6x3/8. Remove existing corroded L6x6x3/8. Remove and grind smooth all original attachment welds. Provide full fillet seal welds 5/16" root on all four sides to the existing trunnion beams; 14 WF 142. Reference As-Built Sheet 1381.3. After replacement, members shall receive 5-E-Z paint system.

All welds shall meet the AWS D1.5 welding requirements in the base specification section 05055, including quality control inspection.

The gate and trunnion arms shall be supported to insure the existing geometry is maintained to +/- 1/32" total differential between existing vertical brace support points and final vertical brace support points.