Project Dashboard

Status: ACTIVE MONITORING

  • NIRB File No:

    03MN107

  • Application No.:

    125253

  • Project Type:

    Mine Development

  • Project Name:

    Agnico Eagle Mines Meadowbank Modification - In-Pit Tailings Disposal

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Agnico Eagle currently places all tailings at the Meadowbank Mine in the Meadowbank Tailings Storage Facility (within the former Second Portage Lake northwest dewatered arm), where tailings have been deposited sub-aerially as slurry and water from the ponds reclaimed during operation. Since mining began, Agnico Eagle has continued to evaluate alternative options for tailings deposition, in order to ensure that best practices are followed and to ensure appropriate long term planning to optimize the site footprint. In 2016, the Meadowbank Dike Review Board (the MDRB), an Independent Geotechnical Expert Review Panel established in accordance with Type A Water Licence No: 2AM-MEA1525, supported the use of early in-pit tailings disposal as an appropriate alternative in addition to current practices at Meadowbank Mine. Specifically, in-pit disposal of tailings has advantages with respect to health and safety, quality of life, water, air, capital cost, technology, natural hazards and adaptability. The MDRB accepted that in-pit disposal would be recognized as the best available technology. As a result, Agnico Eagle is now proposing to dispose of tailings in three pits, Portage Pit A, Portage Pit E, and Goose Pit, all within the footprint of the assessed and approved Meadowbank Mine. The In-pit tailings disposal in the Portage and Goose pits will not increase the project footprint, and will occur entirely within existing pits that have already been impacted by ore extraction. This method of tailings disposal will require the continued use of various existing project components, including the following: • pits and dikes to segregate operations from Third Portage Lake and Second Portage Lake; • the reclaim water barge; • the tailings deposition barge; • the reclaim water treatment plant; and • tailings thickener (this is under evaluation). The modification will also require an extension of the slurry and reclaim water piping. Agnico Eagle confirms that based on its engagements to date, its understanding is that this modification can proceed in accordance with existing approvals. Agnico Eagle has not identified any amendments to Project Certificate No. 4 or Type A Water Licence No. 2AM-MEA1525 in order to proceed with the In-pit Tailings Disposal modification. Before proceeding, the In-pit Tailings Disposal modification will require a formal Modification notification to the Nunavut Water Board pursuant to the conditions of the water licence. The current planned timeline for commencing the in-pit deposition of tailings is April 2018.

Assessment Phase / Activity
  • Started project monitoring 2018-04-13
  • NIRB Ltr to parties requesting comment on potential project certification reconsideration 2018-04-13
  • NIRB Notice to Parties re comments received 2018-05-07
  • Send Notification to Parties 2018-05-29
  • Send Notification to Parties 2018-06-05
  • Send Notification to Parties 2018-06-11
  • Send Notification to Parties 2018-06-12
  • Send Notification to Parties 2018-06-12
  • NIRB Notice to Parties re receipt of Project Certificate Consideration Request 2018-06-14
  • NIRB Ltr to Parties re submission of Information Requests 2018-06-26
  • NIRB Ltr to Parties re submission of Information Requests 2018-06-26
  • NIRB Ltr to Parties re submission of Information Requests 2018-07-03
  • NIRB Notice to Parties of IR’s Received 2018-07-04
  • NIRB Ltr to Proponent and Parties re IRs requiring a response 2018-07-11
  • NIRB Notice to Parties of IR’s Received 2018-07-11
  • NIRB Notice to parties re receipt of IR responses 2018-07-12
  • NIRB Notice to parties re receipt of IR responses 2018-07-13
  • NIRB Notice to parties re receipt of IR responses 2018-07-16
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Notifications sent: NIRB Notice to parties re receipt of IR responses

2018-07-16 18:20:34

NIRB 125253 / 03MN107: Agnico Eagle’s Response to NRCan IR Regarding Agnico Eagle’s “In-Pit Tailings Disposal Modification Project Proposal, a Proposed Amendment to the Meadowbank Gold Mine Project


    Dear Parties,

    The Nunavut Impact Review Board (NIRB or Board) has received Agnico Eagle Mines Ltd.’s (Agnico Eagle) Response to Natural Resources Canada’s (NRCan) Information Request (IRs) in regards to the “In-Pit Tailings Disposal Modification” project proposal, a proposed modification to the Meadowbank Gold Mine Project (NIRB: 03MN107; NWB: 2AM-MEA1525; NPC: 148681).

    As a reminder, the NIRB requests that Parties review Agnico Eagle’s Response to IRs and submit their final written submissions directly to the Board on or before August 1, 2018. Submissions should be directed to info@nirb.ca or submitted by fax to (867) 983-2594.

    All materials related to Agnico Eagle’s "In-Pit Tailings Disposal Modification" project proposal can be obtained from the NIRB’s online public registry at www.nirb.ca by using any of the following search criteria:
    • Project Name: "In-Pit Tailings Disposal Modification"
    • NIRB File No.: 03MN107
    • Application No.: 125253
    • Document ID No.: 318722, 318724, 318725, 318730 through to 318748 and 318839

    If you have any questions regarding the NIRB’s Review of the “In-Pit Tailings Disposal Modification” proposal, please contact Kelli Gillard, Manager, Project Monitoring, by email at kgillard@nirb.ca or by phone at (867) 983-4619.

    Best regards,

    Andrea Omilgoitok
    Environmental Administrator

    Nunavut Impact Review Board
    P.O. Box 1360 (29 Mitik)
    Cambridge Bay, NU, X0B 0C0
    Phone: 867-983-4600
    Toll Free: 1-866-233-3033
    Fax: 867-983-2594
    E-mail: info@nirb.ca
    Web: www.nirb.ca

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