Specifications include, but are not limited to: 370 EA Bridge scupper with removable grate draining to the ground without going through a clean-out or trough. Remove (and replace) the grate for access to vacuum or water-flush the inlet, scupper area and downspout as needed to flow freely. 790 EA Bridge scupper with removable grate draining to a clean-out or trough underneath the bridge deck. 70 EA Transverse trough drain under the bridge expansion dam. These may drain directly to the ground, through pipes, and/or may drain to a clean-out and/ or trough. Vacuum or water-flush the expansion dam from the top of the deck to remove all debris from the joint area and trough under the expansion dam. Clean all open-top troughs and open the clean-out to inspect and remove all debris; 1270 EA Bridge drains with non-removable grates. Vacuum or water-flush the drain inlet and the pipe leading to the trough or into the air.
