40-6 Preparing Machine and Work Area VX30/VX50 Gen3/ECO50 Vacuum Excavators
Look for Evidence of Und
erground Placement
Visually check for:
• notices of underground placements
• manhole covers
•drop boxes
• recent trenching activity
Mark Excavation Area
When potholing for non-destructive exposure of underground utilities prior to excavating, trenching, or boring,
coordinate with all local utilities and mapping services. The area of proposed excavation must be marked. The
One-Call system must be contacted and the area marked or cleared. Any underground plant owners not
participating in the One-Call system should be notified and have their underground facilities marked. Use a pipe
and cable locator to search the area to be excavated to determine if unmarked facilities exist, and to help
determine a more precise location of marked facilities. Consult area utility maps or seek advice on non-metallic
pipes such as sewer or storm water lines that may be unmarked.
WARNING: When exposing utility lines for avoidance in a digging application, verify exposed line is the
correct line. Excavations may contain multiple lines or abandoned lines, as well as the line intended to
be exposed.
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