50-8 Operating the Vacuum Excavator VX30/VX50 Gen3/ECO50 Vacuum Excavators
Material Disposal
• Know the contents of the material being excavated or remediated.
• Know the
local regulations for disposal of liquid material and/or mud.
• Know the
place and plan for disposal of the material in the spoil tank.
Operation - Potholing
Perform potholing excavation using the rotary nozzle lance (1) with vacuum tooling,
or optional “one-man” reduction tool (2) with attached water line. These tools use
high pressure water to reduce the soil to a size small enough to be vacuumed. The
water helps prevent damage to the utility from direct contact with the tool.
The reduced soil is vacuumed o
ut of the pothole, creating a small pothole to see and
identify buried utilities (3). This process may require two persons, with one using the
rotary lance and the other vacuuming the spoil.
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