RECOVERY--Z--PROJECT NUMBER 19590, Webbers Falls Lock and Dam, 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 THE CURRENT CONTRACT NUMBER(S): Prairie Breeze, LTD, W912BV-09-C-1017

As part of Operation and Maintenance, Army, Recovery Act, modification has been issued to Prairie Breeze, LTD., to perform the following work: Intake Gantry Crane, Leg Weld Repair--Inspecting the welds, lead based paint abatement, repairing cracked welds on the downstream legs, and repairing corroded areas on the upstream legs of the intake gantry crane. Also included is cleaning out all box structural members, including vertical legs, diagonal members, and horizontal girders and providing weather closures on open joints of the intake gantry crane. Provide non-destructive test, magnetic particle, of the welds in the two downstream legs of the intake gantry crane. Provide a written report detailing the cracks found in the leg welds. Provide magnetic particle testing of the repaired welds. Provide any required lead paint abatement. Repair all cracked welds in the two downstream legs of the intake gantry crane. Realign bulged and distorted plate edges prior to welding. Assume a total weld repair length of 80 feet. Provide a unit price for each additional foot of weld repair. Provide drain holes in column legs to drain water. Holes are ideally located to drain water held above concrete plugs, noting that concrete may not be level. Provide weather caps to prevent intrusion of blown rain and insects, suggest on the east side or away from the prevailing winds. Provide weather closures at open joints, including bridge girders, columns, and braces. Closures shall prevent drainage and minimize wind blown dust into the interior of box members. Closures shall allow drainage and venting to minimize condensation and accumulation of water. Remove rust and debris from interior of box members as practical with power wash. Treat with a high pH wash to neutralize acid effects. Remove stalagmite under landside, downstream leg and clean/open drain hole above. Provide two full 8 hour days of ultrasonic inspection to determine the metal thickness in the legs of the intake gantry crane. A report of the results, with mapping, shall be provided. All areas with reduced metal thickness shall be shown on the mapping. Repair corroded areas in the upstream riverside leg of the intake gantry crane. The corroded areas are located at the upper point that the jib crane was attached. The metal leg shall be ground smooth and flush. The area shall be cleaned and painted. A steel patch plate, 3/8 inches thick, shall be welded over the corroded area.