DSI Hollow Bar Anchors ensure fast Site Development at the Borden Gold Mine in Canada

Goldcorp, a globally active mine operator, is the largest gold miner in Ontario’s north-east. Near the town of Chapleau in Ontario, Canada, the company is making new gold deposits accessible with the Borden Gold Project.

The excavation of a portal and the construction of an access ramp started in the first quarter of 2017. A 30,000t bulk sample will be extracted to confirm the existence of gold deposits in this hard rock mine.

Even prior to accessing the portal, DSI Underground Canada formed part of a technical committee to assist in the rapid development of the mine. Experienced DSI Underground engineers proposed alternate solutions to the generic methods of ground support. The typical resin and rebar support that is used in northern Canada would have prolonged the startup due to limitations of extreme temperatures.

For this reason, the mine decided to use the DSI Hollow Bar Anchor as an efficient ground support product to ensure a rapid development of the portal. The DSI Hollow Bar Bolt is installed using either air or hydraulically driven rotary drills, which ensures high rates of installation and good directional stability. Furthermore, the ground within the borehole is consolidated.

With resin grout, the use of which is a potential issue due to unsuspected climate, the idea is to create an active first pass support by tensioning the bolt with the shell that thus contains the rock mass in tension. This way, the bolts can be grouted at a future date. Now, a time-saving and innovative alternative to this system is available: DSI Underground’s new, pumpable resin system. This method ensures a rapid development cycle. Thanks to the use of this resin system, the Borden Mine will be able to drive the portal quickly and safely and to access the bulk sample in an efficient manner.

DSI Underground also participated in what has been referred to as a training camp for the Borden mine. At the training facility, DSI Underground assisted in the installation of the shell on the DSI Hollow Bar Bolt to give the operators involved a first-hand trial of the performance and installation of the bolt.

DSI Underground will continue to provide technical support as well as perform pull tests during start up and also when required throughout the project. Furthermore, DSI Underground will carry out installation audits, show procedures for different applications, and provide any other support needed in the progress of the mine.

In order to ensure a direct supply of the mine with the high quality ground support product, DSI Underground has founded a joint venture with Three Nations Drilling (a First Nations Company), who have a stake in the land on which the mine will be operating. Thanks to this joint venture, DSI Underground is now the only ground support supplier for the Borden Mine. The proceeds of the joint venture earnings go back into the three communities represented by Three Nations to help with social, educational and health care development in areas that had been previously separated from readily available health care.

Owner
Goldcorp Inc., Canada
Unit
DSI Underground Canada Ltd., Canada
DSI Underground Scope
Production, supply, technical support
DSI Underground Products
DSI Hollow Bar Bolts, pumpable resin
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