The use of an air knife and vacuum excavation has been identified as the preferred method to safely identify buried utilities prior to excavation or drilling activities. Air or water under pressure is used to loosen the soil and the material is safely vacuumed away, creating the desired void.
Air knife, soft dig & vacuum excavation benefits include:
- Avoid buried object damage
- Avoid utility damage
- Better safety practice
- Preferred method and required by many clients