Search the archive

Find documents by name, keyword, or question across the IEMA Ekati archive.

Showing only documents tagged Closure Plan.

39 documents · Page 2 of 2

Sort

Ekati Closure and Reclamation Workshop, Background Materials (IEMA, February 2006)
2006Report
Independent Environmental Monitoring Agency (IEMA) Ekati Closure and Reclamation Workshop, February 14-16 2006 — companion/second-set binder. Includes Draft Mine Site Reclamation Guidelines for the NWT (Preface — origins in NWT Water Board and DIAND practice from the early 1980s, complementing the 2002 Mine Site Reclamation Policy), reclamation objectives ensuring abandoned mine facilities are physically stable and require no long-term maintenance, and the Dispute Resolution Article XIV procedures (and Ministerial discretion exception).
Closure & Reclamation Closure Plan Board Meetings Regulatory Waste Rock
Incorporating the Values and Objectives of Inuit into Reclamation Security Modelling (Kitikmeot Inuit Association, April 2005)
29 April 2005Presentation
Presentation by Geoff Clark of the Kitikmeot Inuit Association describing KIA's security model for incorporating Inuit values and objectives into reclamation planning and cost estimation for mining projects in Nunavut. The model provides a flexible tool for determining reclamation security amounts across mine components with guiding principles of environmental protection, safety, restoration, and no perpetual care.
Closure & Reclamation Closure Plan Traditional Knowledge Water Quality
Financial Assurance for Mine Closure & Reclamation Reference Binder (ICMM, February to April 2005)
1 February 2005Report
An ICMM-commissioned study examining environmental financial assurance (EFA) instruments and policies for mine closure and reclamation globally, providing framework and negotiation guidelines for governments and mining companies to balance environmental protection with investment climate and cost efficiency.
Closure & Reclamation Closure Plan Regulatory Waste Rock Acid Rock Drainage
Interim Closure and Reclamation Plan (ICRP) Working Group Case File, Volume 2 - Ekati Diamond Mine (MVLWB, 2005 to 2008)
2005–2008Report
Closure and Reclamation Binder 2 for the Ekati Diamond Mine — Wek'èezhii Land and Water Board (WLWB) and BHP Billiton correspondence (2007-2008). Correspondence between Laura Tyler (BHPB), Sarah Baines (Regulatory Officer BHPB), Ryan Fequet (WLWB), Carole Mills, Zabey Nevitt, Bruce Hannah (DFO), and Lutsel K'e Dene First Nation Wildlife Lands and Environment (July 2007 letter to Zabey Nevitt critiquing exclusion from Agreement oversight). Discusses revegetation acceptability to stakeholders, closure-method "no vegetation" Tables 44-48, Table 51 closure-monitoring program description, internal Director workshops with Aboriginal-organization (Society Member) public components.
Closure & Reclamation Closure Plan Revegetation Regulatory Correspondence
Interim Abandonment and Reclamation Plan, Ekati Diamond Mine (BHP Billiton, July 2003, revised April 2004)
9 April 2004Report
This interim abandonment and reclamation plan for the Ekati Diamond Mine describes the reclamation strategy for seven kimberlite pipes (Panda, Koala, Beartooth, Fox, Misery, Sable, and Pigeon) and associated mine infrastructure, addressing regulatory requirements, environmental management, progressive reclamation during mine operations, and final closure procedures scheduled for 2016.
Closure & Reclamation Closure Plan Revegetation
Interim Abandonment and Reclamation Plan, Ekati Diamond Mine (BHP Billiton, July 2003)
30 July 2003Report
This interim abandonment and reclamation plan describes BHP Billiton's strategy for reclaiming disturbed areas at the Ekati Diamond Mine following the mining of seven kimberlite pipes through 2014, detailing reclamation approaches for pit lakes, waste rock storage, processed kimberlite containment facilities, water management structures, and supporting infrastructure to restore stable landforms and wildlife habitat.
Closure & Reclamation Closure Plan Revegetation
Reclamation Liability Estimate for the Sable, Pigeon and Beartooth Pits, Ekati Diamond Mine (Komex, April 2002)
12 April 2002Report
KOMEX International prepared a probabilistic reclamation liability estimate for the Sable, Pigeon, and Beartooth Pits at the Ekati Diamond Mine using a Monte Carlo Simulation Model, providing cost projections for 2005, 2010, and 2014 to establish security deposit requirements under the Type A Water License and Environmental Agreement.
Closure & Reclamation Closure Plan Waste Rock Revegetation
Mine Site Reclamation Policy for the Northwest Territories (DIAND, 2002)
~2002Report
Approximate date — inferred from filename
This 2002 policy document establishes federal standards and principles for mine site reclamation in the Northwest Territories, addressing environmental protection, closure planning, financial security requirements, and the allocation of reclamation liability between mining operators and the Crown. It sets out mandatory elements for closure and reclamation plans, financial assurance mechanisms, and regulatory coordination to ensure sustainable mining development and reduce long-term government environmental liability.
Closure & Reclamation Closure Plan Regulatory Water Quality
Interim Abandonment and Restoration Plan, Diavik Diamonds Project (Diavik Diamond Mines, October 2001)
2001Report
2001 Interim Abandonment and Restoration Plan for the Diavik Diamond Mines Inc. Diavik Diamonds Project (NWT), EMS File 6.6.2, NKSL 4200-41EG-1019 Rev. 0, October 2001, transmitted by DDMI to Melody McLeod, Chairperson, Mackenzie Valley Land and Water Board, Yellowknife. Covers country-rock fill placement over sandy silt sediment (starting 2 m layers), fish habitat replacement under the No Net Loss Plan for small lakes lost during construction, deep-water vs shallow-water habitat proportions, and DDMI's Environmental Management System (Version 1) Continual Improvement, Conservation, and Communications policies.
Closure & Reclamation Closure Plan Regulatory
Policy for Water Licence Security Deposits, Policy Statement No. HQ.08 (DIAND, September 2001)
17 September 2001Report
This policy manual establishes federal procedures for requiring, administering, and managing security deposits from water licence applicants and licensees in the Northwest Territories, Nunavut, and Yukon regions to ensure the Crown is protected against costs of site abandonment, restoration, and ongoing remediation. The policy prescribes acceptable forms of security, principles for determining deposit amounts using the RECLAIM calculation method, and detailed administrative procedures for deposit receipt, renewal, and claims.
Regulatory Water Licence Closure & Reclamation Correspondence
Reclamation Liability Estimate & Demolition and Salvage Estimate, Ekati Diamond Mine (Komex, May 2001)
31 May 2001Report
Komex International prepared a reclamation liability estimate for the Ekati Diamond Mine comparing current liability costs (approximately $50.8 million) with ultimate closure costs (approximately $136.4 million) across multiple mine components including open pits, tailings cells, waste rock piles, and camp facilities, using the RECLAIM model and incorporating site-specific data and professional judgment.
Closure & Reclamation Closure Plan Waste Rock Monitoring
Reclamation Liability Estimate, Appendices, Ekati Diamond Mine (Komex, May 2001)
18 May 2001Report
Komex International provides a comprehensive reclamation liability estimate for BHP Diamonds' Ekati Diamond Mine closure, detailing assumptions and cost models for decommissioning, contaminated site remediation, pit flooding, post-closure monitoring programs, and site restoration activities across multiple operational areas and facilities.
Closure & Reclamation Closure Plan Waste Rock Geochemistry
Reclamation Liability Estimate & Demolition and Salvage Estimate, Ekati Diamond Mine (Komex, May 2001)
10 May 2001Report
Komex International Ltd. prepared a reclamation liability estimate for BHP Diamonds Inc.'s Ekati Diamond Mine using Monte Carlo Simulation methodology to calculate comprehensive closure and reclamation costs for 2001, 2005, 2010, and 2014, with median estimates ranging from $50.8 million to $90.3 million across various liability units including pit flooding, facility decommissioning, monitoring, and revegetation.
Closure & Reclamation Closure Plan Waste Rock Water Quality Revegetation Fish Habitat
Reclamation Liability Estimate, Sable, Pigeon & Beartooth Pits, Ekati Diamond Mine, Appendices (Komex, 2001)
~2001Report
Approximate date — inferred from filename
A comprehensive reclamation liability estimate for the Sable, Pigeon, and Beartooth pit additions and the broader Ekati Diamond Mine, detailing estimated costs across multiple liability units (camp facilities, operations, open pits, tailings cells, waste rock storage, monitoring) projected for 2001, 2005, 2010, and 2014 with confidence intervals (10th percentile, median, and 90th percentile estimates).
Closure & Reclamation Closure Plan Waste Rock Water Quality Monitoring
Interim Abandonment and Restoration Plan, Ekati Diamond Mine (BHP Billiton, February 2000)
1 February 2000Report
This interim abandonment and restoration plan describes BHP's strategy for reclaiming disturbed areas at the Ekati Diamond Mine following the mining of four kimberlite pipes (Panda, Koala, Fox, and Misery) over a projected 15-year operational period. The plan details reclamation approaches for open pits, underground facilities, tailings containment areas, waste rock storage, water management structures, quarries, roads, and other infrastructure, emphasizing stable landforms, water resource protection, and facilitation of natural recovery through progressive reclamation, revegetation research, and post-closure monitoring.
Closure & Reclamation Closure Plan Revegetation
Reclamation Cost Estimate for Closure in 1999, Ekati Diamond Mine (BHP Billiton, March 1999)
4 March 1999Report
This document provides a detailed reclamation cost estimate for the Ekati Diamond Mine assuming closure in 1999, broken down by reclamation unit (Panda Pit, Panda Waste Dump, Long Lake Containment Area, Buildings and Facilities, and Chemicals/Contaminated Soils), with a total estimated closure cost of $6,671,716 including 10 years of post-closure monitoring.
Closure & Reclamation Closure Plan Post-Closure Monitoring Development Plans
Interim Abandonment and Restoration Plan, NWT Diamonds Project (BHP Billiton, September 1997)
30 September 1997Report
BHP Diamonds Inc. submitted an Interim Abandonment and Restoration Plan for the NWT Diamonds Project on September 30, 1997, detailing comprehensive reclamation strategies for five kimberlite pipes (Panda, Koala, Fox, Leslie, and Misery) over a projected 25-year mine life, including methods for stabilizing open pits, managing tailings, storing waste rock, and restoring vegetation and water resources.
Closure & Reclamation Closure Plan Revegetation
Abandonment and Restoration Binder 1, Ekati Diamond Mine (IEMA, 1997 to 2006)
1997–2006Letter
Abandonment and Restoration Binder 1 for the Ekati Diamond Mine covering 2002-2005. Includes Ekati revegetation research projects (Chris Hanks BHPB 2005), DFO comments on BHPB Interim Abandonment and Restoration Plan (Dave Balint), MVLWB correspondence (Latisha Heilman, Bob Wooley, Bob Overvold DIAND), February 15 2002 Reclamation Liability meeting at IEMA Boardroom (Duncan McInnis and Wes Funk of Komex International Ltd.) comparing RECLAIM model (no salvage value) vs Monte Carlo model ($14M salvage) for building demolition, and lakebed sediment laboratory chemistry data (depth profiles 0-56", pH 4.92-5.39, antimony, arsenic, barium, beryllium PPM).
Closure & Reclamation Closure Plan Revegetation
Abandonment & Restoration Reference Compilation, Mine Site Reclamation Guidelines & Comparator Case Studies (DIAND, 1990 to 2006)
1990–2006Report
Abandonment & Restoration (Miscellaneous) Binder for the Ekati / Northwest Territories mining sector covering 1990-2006. Includes the January 2006 NWT Mine Site Reclamation Guidelines, "Best Environmental Management Practices for Mining in NWT" draft examples, BC Ministry of Water Land and Air Protection water-quality protection guidelines, and Island Copper Mine (BHP Minerals Canada, Vancouver) closure case study by Aspinall — covering social-aspect closure planning, worker retraining, salvage value treatment, dynamic closure scope.
Closure & Reclamation Closure Plan Regulatory Wastewater

Tags

39 documents · Page 2 of 2