Page 70 - CCGA Best Practices Version English
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substructure, or other hidden hazard is encountered. The trenchless
excavation operations shall proceed only after a risk assessment is completed
in the field. Visual confirmation of the product installation relative to existing
facilities is the preferred method of proper installation clearance verification.
Horizontal Directional Drilling (HDD)
• Equipment set up
• Facility Locating and Equipment set back
• Drill pit/receiving pit
• Pilot Bore
• Back Reaming
• Recording – Data logging, manual maps, electronic, GPS
Pipe Jacking & Micro Tunneling
• Equipment set up
• Facility Locating and Equipment set back
• Drill pit/receiving pit
Canadian Common Ground Alliance
Best Practices Version 3.0 – October 2018
64
