16
September 2015

APEGBC Branch Dinner Presentation: Best Available Technologies in Tailings Management

“Filtered Tailings – What, Where and Why?” Organized by the Sea-to-Sky Branch of APEGBC

Please Note
This particular event is happening on Wednesday instead of Thursday evening, which many of you will know is when we typically hold our events. Again, this event is being held on a Wednesday this time around.
Status: Advanced registration is now closed. For more information and space availability, please contact [email protected] Thank you!
Date: Wednesday, September 16, 2015
Time: 5:30 pm to 9:00 pm
Location: Holiday Inn & Suites, 700 Old Lillooet Road, North Vancouver, BC
Presenter: Dr. Michael Davies, P.Eng., P.Geo.
Vice President, Environment – Teck Resources Ltd.
Credit: 1.5 Informal Professional Development Hours (PDH)
Cost: $30 each for members and guests who register on-line.
$25 for EIT or GIT’s who register on-line or at the door.
$20 for student members of MAPS who register on-line or at the door.
$40 each for members and guests who register at the door. Drop-in registration is pending space available.

Cash bar service will be available during social networking and dinner. Please note that the bar is cash only. Debit and credit are not accepted.
You and your guests are invited to attend the Sea-to-Sky Branch Dinner and Technical Presentation on "Best Available Technologies in Tailings Management Filtered Tailings - What, Where and Why".

Schedule:
5:30 - 6:00 pm Registration, social networking and cash bar – please bring cash for drinks.
6:00 - 6:15 pm Announcements and introductions.
6:15 - 7:00 pm BBQ buffet dinner, dessert, coffee and tea and cash bar.
7:00 - 8:00 pm Speaker’s Presentation.
8:00 - 8:45 pm Questions and answers, and discussion
8:45 - 9:00 pm Closing.

Speaker:
Dr. Michael Davies, P.Eng., P.Geo.
Vice President, Environment – Teck Resources Ltd.
 
Dr. Michael Davies is the Vice President Environment for Teck Resources Ltd. Michael is a Geological Engineer with post-graduate degrees in Civil/Environmental Engineering. He has been at Teck since early 2012. Prior to joining Teck, Michael spent over 25 years consulting in the mining industry. During that time he worked on assignments in more than 40 countries. A good portion of that work involved tailings impoundments and/or mine waste dumps.
  
At Teck, Dr. Davies is the company’s Global Environmental Officer across all projects and operations as well as being the Executive in charge of the company’s legacy asset/dormant property file. Michael has contributed more than 40 papers related to tailings and mine waste management and was recognized in 2000 with a Canadian Institute of Mining Distinguished Lecturer Award for his work in this area.

Details:
The Mt. Polley incident of August 2014 put tailings dams on the front page of the news and into the minds of many professional across BC and far beyond.
 
A Panel of three internationally recognized experts in tailings dam engineering was appointed by the BC government to evaluate the technical attributes of the incident and to make recommendations for practice to avoid similar events. The Panel reported on a variety of causation contributions and, in response to their findings, included several recommendations. One of those recommendations was to include “Best Available Technologies” in mine tailings designs with the implication that “non-water retaining” tailings facilities were, in fact, the “Best” of the “Available Technologies”.
 
The traditional impoundment where a dam(s) retains slurried tailings and a pond remains most common method for storing tailings from mining operations. However, there is a growing number of operations whereby the tailings are dewatered and placed in the tailings storage facility with less accompanying water. The degree of dewatering and the method of placement can vary significantly dependent upon design criteria and site specific constraints. All methods of tailings management have positive and negative attributes and only a rigorous evaluation of the natural setting, climate, foundation, nature of the tailings and the overall environmental stewardship objectives can result in the best solution being adopted. For example, filtered tailings are just a part of the continuum of tailings management options available to the industry and while filtered tailings can have some advantages for some sites, the method has limitations rendering it technically infeasible for other sites.
 
This presentation will introduce the Tailings Continuum by providing examples from around the world. Context to the meaning of “Best Available Technology” in tailings management will be provided, which will demonstrate that the real-world situation is such that the definition is extremely site-specific.
 
A strong message of “one size does not fit all” and the need for appropriately trained and experienced engineers who can understand that message will be provided.

Notes:
  • To help us predict our catering needs, please register prior to September 14, 2015.
  • Space is limited to 90 attendees.
  • If you have any questions, please contact [email protected].
DISCLAIMER: The consumption of alcohol at this event is intended for responsible adults of legal drinking age. Know your limits and please do not drink and drive.

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