Background Information

The Panel considers the supporting information and substantiating documentation to be an integral part of its report that is necessary for a proper understanding of its findings.

There are multiple parties involved in various investigations of Mount Polley Tailings Storage Facility (TSF) failure. The Panel must ensure that the conduct of the inquiry does not in any way impede or conflict with any other ongoing investigation or proceeding related to this matter. Specifically, the Panel’s review must not in any way impede investigations conducted by Mines Inspectors, Conservations Officers or other regulatory agencies and any related proceedings. Further, all disclosures of the Panel must be compliant with the privacy protection provisions of the Freedom of Information and Protection of Privacy Act (FIPPA).

The B.C. Ministry of Energy and Mines and Ministry of Environment, Conservation Officer Services, have directed the Panel to withhold some of the documents, and redact portions of other documents, so that the Panel’s inquiry does not compromise any other investigations and to ensure it is in compliance with the privacy protection provisions of FIPPA (see Appendix A). The redaction of personal information was completed by Shared Services BC. As a result, these documents, which may have been cited in this report, are not available at this time. See Appendix B for more information on the provision of Supporting Information.

Note: Certain large files linked below may take up to several minutes to download. Certain files may also require specialized software for viewing.

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Document ID Title Typesort ascending Published
MPMC00099 TSF MPMC Reporting Summary (36.46 KB) Table Nov 24, 2014
AMEC00307 Zone F and T Material Gradations (88.15 KB) Table Jun 21, 2013
MPMC00100 Monthly Tailings Production (Startup to Breach) (62.49 KB) Table Jan 01, 2014
KP00029 Document has been removed Table Mar 08, 2011
MP00243 Key Design Reports and Engineers Involved with Mount Polley TSF (21.66 KB) Table Aug 25, 2014
AMEC00276 Laboratory Testing Results (220.29 KB) Table Jul 07, 2011
MPMC00101 TSF Toe Drain Flow Data (Startup to Breach) (1.14 MB) Table Jan 01, 2014
MPMC00112 Water Balance Report Summary (19.62 KB) Table Nov 27, 2014
AMEC00288 Construction Density Testing (297.66 KB) Table Jul 01, 2012
KP00040 Communication Relating to Transfer of Records from KP to AMEC (91.69 KB) Summary Tables Oct 03, 2014
AMEC00095 Efficiency of Tailings Sand Cat Operations (43.14 KB) Summary Sheet Jun 04, 2008
MPMC00126 Final Tailings Settling Test (1.33 MB) Spreadsheet Jul 06, 2013
KP00034 VW Instrument Installation Records (22.15 KB) Spreadsheet
KP00035 VW Piezo Data (1.18 MB) Spreadsheet
KP00037 Drain Flow Data (140.98 KB) Spreadsheet
KP00038 Inclinometer Displacement Record (2.62 MB) Spreadsheet
MP00106 Site Meeting, Evaluation of Cycloned Tailings for Embankment Construction Nov. 4/98 Mt. Polley Mine (10.88 MB) Report , Drawings, Tables Nov 04, 1998
AMEC00079 Preliminary Design of the TSF to its Ultimate Elevation (274.89 KB) Report Mar 08, 2005
AMEC00181 TSF Stage 8/8A 2012 As-Built Report (6) (1.71 MB) Report Mar 27, 2013
AMEC00135 2011 Construction As-Built Report and Annual Review (2) (1.72 MB) Report Apr 06, 2012
AMEC00103 TSF OMS (5.83 MB) Report Mar 30, 2010
MPMC00059 2011 TSF Site Investigation Report (AMEC) (82.61 MB) Report Mar 28, 2012
AMEC00192 TSF 2012 Annual Review (2) (7.79 MB) Report Apr 08, 2013
MPMC00038 Mount Polley Mines, Tailing Storage Facility Stage 8, 2012 Construction Monitoring Manual (3.2 MB) Report Mar 30, 2012
AMEC00146 2011 Construction As-Built Report and Annual Review DRAFT (5) (3.11 MB) Report Mar 21, 2012