Rigonomics Supplement: Tips From A Rock Drilling Specialist

By Jeff Griffin, Senior Editor | June 2011 Vol. 66 No. 6

“While air hammers are great for pilot holes, the hole-opening capabilities of hammers are very limited and do not seem to be as efficient and effective as traditional hole openers that require fluid.”

Hockran emphasizes that each of the methods described are project specific -- no one tool or method is suited to all types of rock drilling.

In closing, Hockran said failure to properly plan is the most serious mistake to avoid for rock drilling projects. It also is important to have a “Plan B” for unforeseen circumstances, including weather.

“Proper planning and contingency design are the most important steps in minimizing mistakes or unknown obstacles for successfully completing a project,” Hockran concluded.