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Horizontal directional drilling best practices for supervisory personnel
Found 2 free book(s)
HORIZONTAL DIRECTIONAL DRILLING BEST PRACTICES For ...
www.americanpipeline.orgHORIZONTAL DIRECTIONAL DRILLING BEST PRACTICES For Supervisory Personnel PRE‐DRILLING • Obtain applicable drawings, permits, and company guidelines.
Permits to Dig / Permits to Excavate / Permits to work ...
www.utilitystrikeavoidancegroup.orgBPAUS 06 Version 01 November 2013 Page 1 of 5 Permits to Dig / Permits to Excavate / Permits to work near underground services Aim and purpose