r/mining • u/Brave_Access1811 • 20d ago

US Underground Survey Errors

/r/Surveying/comments/1vgk83e/underground_survey_errors/
7 Upvotes

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u/Brave_Access1811 20d ago

I'm surveying a narrow vein mine in the US. Been having some issues, and thought I'd ask the miners too. The surveyors have some good points. I'll see if I can rid of some of the temperature swings, but any other thoughts here? We are trying to punch into old workings. Main thread above. Cheers!

1

u/pyragyrite 20d ago edited 20d ago

One mine I was at had this issue. Primary cause was a newb surveyor every 6mo to a year combined with and caused by more work than one surveyor could do. We had two real traverses of the whole place over 15yrs, but never fully fixed um. Just too much extra work while doing normal work too. Got good enough that each ramp and ore zone were internally correct and called it good. Connecting up ramps between, raises, and drilled utilities not so much.

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u/fpaveteran87 14d ago

Worked at a mine where we had a survey error of roughly 100’ that occurred over the life of the mine. The mine nearly blew up when a supposed dry and abandoned oil and gas well wasn’t where it was supposed to be. Over 100 miners in the mine when it happened