bids are invited for main girder , cross girder , ramp girder , a frame , b frame , anchor winch , aluminum welding for main girder qty 50 nos and ramp girder qty 150 nos , s frame , h frame , panel bb , transom bb , stringer button , ramp button , ramp plain , post end male bb , post end female , bearing bailey bridge , base plate , steel chasses large , steel chasses small , racker , sway braces bb , bolt bracing , riband bb , plain roller , riband bolt , packing timber 9 inch x 3 inch x 6 feet , packing timber 9 inch x 6 inch x 3 feet , rocking roller , panel pin , transom clamp , carrying hook , box spanner , screw clamp , hinged clamp total quantity : 4250