Striking unmarked subsurface utility lines is a serious potential hazard associated with drilling in most urban settings. Breakage and repair is expensive and can disrupt an entire community.

Pre-drilling utility clearance, also known as potholing or daylighting, significantly decreases the possibility of these dangerous encounters. This procedure is used to expose and mark subsurface utility lines such as natural gas, electric or fiber optics.  

Cascade operates a fleet of vacuum trucks and vac units to pre-clear the drilling locations to as deep as 10 feet below the ground, depending on the subsurface conditions. These trucks utilize compressed air, or air knife, rather than water to reduce the quantity of investigation derived waste (IDW) produced. Cascade offers both truck and trailer mounted units for vacuum hole clearing.

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