In 2003 our firm began offering vacuum excavation services. This relatively new concept is a safer excavation alternative when compared with using a backhoe. The versatile tool has been used to quickly locate and expose existing underground utilities. It has been used to remove sediment in and around manholes, catch basins and substations. The Mud Dog has vacuum pump capabilities up to 28" Hg and 6000 cfm. Our firm commonly uses the Mud Dog for tunnels, vertical shafts, slot trenching and potholing.