Specifications include, but are not limited to: Unit should be transportable on public highways on its own trailer with accessories items on board trailer. The complete rig should not exceed 20,000 lbs gross weight for towing. Trailer is part of the required specifications. The unit should be launchable off the trailer at a typical concrete public boat ramp. Slurry pump should be a least 1000 GPM with the capability to lift dredge material vertically at least 50’. Impeller system should be an open design to accommodate debris with a screen to prevent clogging. Unit should include windlass system to maintain pressure on the cutting head and move forward and reverse. System should include a complete cable system to include 1000ft galvanized aircraft cable, stakes, stake plates, and shackles.