By Felon Wilson
A large Saskatchewan potash mine needed a waterproofing membrane during maintenance on a service shaft that is used to transport personnel and equipment from ground-level to various depths of the mining operation. The site alone posed a number of challenges. It was 1,300 metres below grade and shaft wash water was expected to be entering the area long term, causing erosion problems.
Read the full article in ES&E Magazine’s October 2021 issue: