Concept
A suction excavator or vacuum excavator is a construction vehicle that removes heavy debris or other materials from a hole on land. Suction excavation utilizes high-powered fans to safely excavate up to of depth depending on the configuration. First, a small surface area hole of about is created. Then, the suction excavator hose removes materials below the surface. Compressed air is used to fracture the ground for the suction excavator to remove the material safely. No manual hand tooling is used in the process. RSP has been making suction excavators and stationary suction units since 1993. Since 2000, RSP developed a new suction principle, the ESE series. These vehicles work with the internationally patented suction principle which guarantees the highest degree of gravity separation, lowest contamination of the filters, and thus consistently high suction performance. Since 1998, the Mobile Tiefbau Saugsysteme has produced another type of suction excavator. It is said to have a newly designed air flow principle, and thus a considerably improved suction performance compared to MTS's previous designs. Since 1993 RSP have produced suction superstructures mounted onto two, three and four-axle vehicles, stationary suction units as well as custom-made machines. The suction unit is roughly rectangular-block-shaped, about 2.5 meters wide and 3.6 meters high, and is usually mounted and used on the back of a truck, which must have power takeoffs to run the suction unit's air impeller and hydraulics. When it is emptying its load, the spoil tank lid (with the hose connection) hinges off to the right, and then the spoil tank (with the filters) tips about 90° over to the left to tip out its load. Possible applications include: Replacement of pipes and fittings Renovation and new installation of gas, water or heating pipes, cables, and sewage lines Exploratory excavations Railway trackside maintenance and repair Use of ground displacement rockets Clearing away environmental damage Replacement of contaminated soil around the roots of trees Removal of material in demolition projects Removal of gravel from flat roofs Cleaning blocked street gutters and gullies Operations involving the use of horizontal boring units Leaf removal Application for special operations Suction excavators eliminate the need for costly and time-consuming manual labour.
