GFS has the answer to your Hydro-Excavation waste removal needs! Due to new Federal Regulations regarding Hydro-Excavation municipalities are finding it difficult to get rid of Vac-Truck Waste. This simple yet effective design allows rapid dewatering of sand, soil, gravel and other debris without overloading the rest of the wastewater system. The bed is designed for easy dumping and exiting. The Stainless Steel Wedgewire Trench Screens rapidly separate the water from the solids and the Wedgewire Decant Screen eliminates supernatant making it possible to waste multiple times per day.