Rosemont copper company dry stack tailings storage facility final design report. The panel was required to submit a final report to the ministry of energy and mines and the williams lake indian band and the soda creek indian band on or before january 31, 2015. A tailings storage facility is a facility used to contain tailings. To investigate and report on the cause of the failure of the tailings storage facility that. Inspections are still carried out according to the osm manual. Tailings storage facility revised geotechnical conceptual design report 4dgeotechnics pty ltd is pleased to submit to abm resources nl our revised geotechnical conceptual design report for their proposed tailing storage facility at the twin bonanza project. Rosemont copper company dry stack tailings storage. Tailings storage facility design and management 2 this appendix serves as an extension to the project description, of the per, providing additional detail on the design and management of the proposed tailings storage facility tsf. Tailings storage facilities in western australia code of. When considering the design of a tailings storage facility there are many parameters which impact on the optimum site selected and the storage and tailings discharge methods used ritcey 1989.
The moisture content of the exposed tailings is measured from samples extracted from the exposed area at appropriate time intervals. Tsfs need to be individually tailored to the site, ore. There exists a large volume of documentation relating to all aspects of design, construction, operation and closure of tailings facilities in the form of manuals, technical papers, conference proceedings and textbooks anglo 2005. Regulators, industry and communities should adopt a shared zerofailure objective to tailings storage facilities where safety. Appendix 63 tailings storage facilities design report part 1. The purpose of the investigation has been as follows. Tailings storage facility conceptual closure plan alternatives assessment es2 three conceptual closure options were evaluated for this study. Supplementary design report is in preparation incorporating changes to the original design report refs.
Olympic dam expansion project tailings storage facility design report p 7 of 105 1 introduction 1. Pdf design, construction and management of tailings storage. Study of tailings management technologies mend report 2. Permission to use planning, design, and analysis of tailings. With traditional tools like spreadsheet models, cad and mine design packages, scheduling and volumetric modeling of tailings areas can be a very painful experience, often producing oversimplified solutions. Management of tailings storage facilities gold fields.
The guidelines were further updated in 2011 and 2017 a guide to the management of tailings facilities version 3. The pfs study report undertaken by kp was completed and issued in june 2014. Design, construction and management of tailings storage facilities for surface disposal in china. In the literature on the topic, the majority of the tailings storage facility failures discussed can be attributed to a few factors in particular, the lack of management continuity and inadequate resourcing especially financial for the facility. This report documents the detailed design of the new dual cell tsf4 and associated infrastructure. The australian centre for geomechanics acg has developed this training dvd for owners and operators of tailings storage facilities. Tailings storage facility prefeasibility study design.
Guide to the preparation of a design report for tailings storage. Appendix f1 tailings storage facility design report olympic dam expansion draft environmental impact statement 2009 appendix. The engineering characteristics of tailings relevant to the management of these facilities are dealt with in detail, with the objective of providing a sound fundamental understanding of this aspect of tailings management. Key tailings management documents used in industry. The approach to tailings storage facilities must place safety first by making environmental and human safety a priority in management actions and ontheground operations. Kgl has undertaken optimisation studies for the project which. A tailings storage facility tsf is a structure made up of one or more dams built for the purposes of storing the uneconomical ore ground up. It outlines the basis of the design and justifies the parameters adopted for the engineering design, construction, operation, rehabilitation and. Design and management of tailings storage facilities. Report on mount polley tailings storage facility breach. Additionally, this report covers terminology used, tailings dam design and the current tailings.
Tailings storage facility design and management ii. Section 5 presents aspects of leading practice tailings management relating to the design, operation and closure of the various physical components of a tailings storage facility. The purpose of this report is to evaluate current state of nevada gold cyanide mill tailings facility design, operation, and closure regulations, compare them to the uranium mill tailings design and operating regulations promulgated at 40 code of federal regulations cfr 192, and compare each to methods used at three gold. Mount polley tailings storage facility used to store copper. Tailings storage facility tsf comprises the tailings dam, impoundment, pond as. Tailings management facilities implementation and improvement of closure and restoration plans for disused tailings facilities. Guidelines for the design and management of tailings. Tailings disposal, tailings management, tailings dam failures, environmental hazards, china tailings dams. Our inventory of tsfs comprises active and 52 inactive or reclaimed facilities with an upstream design, five active and five inactive with a centerline design, and one. Appendix f1 tailings storage facility design report. Guidance note qgn 29 department of energy and water. Appendix f1 tailings storage facility design report pdf 4. Layout of tailings storage facility all waters collected from the sumps and decant syst em will be pumped to the returnwater dam which lies to the north of the tsf, immediately adjacent to th e silt trap.
Guidelines for the design and management of tailings storage facilities we have developed these guidelines to ensure that the management of tailings storage facilities tsf and associated tailings and slimes from mining and extractive industries in victoria is undertaken in a manner that is safe and protects the environment. Tailings form a slurry that can be placed into a tsf to confine the tailings. Yeelirrie tailings storage facility design and management pdf, 3. Investigation report of the chief inspector of mines mount polley mine tailings storage facility breach iii table of figures viii list of acronyms and abbreviations ix glossary of technical terms x 1 executive summary 1 1. Appendix f tailings storage facility 4 detailed design. Introduction prior works interpreting the history of tailings storage facility tsf failures, 19102010, have concluded that the. The procedures of planning, design and construction of tailings design, construction and management of tailings storage facilities for surface disposal in china. Small tsfs are those which are not classified as a large tsf according to the above criteria. The environment and ground conditions are the most crucial parameters that control tailings storage methodology which ultimately affects the way a. Dry stack tailings facility dstf expansion detailed design. For a general description of the proposed yeelirrie development refer to the per. Design report to support application for tailings storage facility k stage 1. Conventional tailings facilities conventional tailings facilities involve delivery, often in a pipeline, of unthickened or thickened slurry typically 20% to 40% solids content by weight, and up to 60% from the ore processing facility or thickener to the tailings facility.
Mount polley mining corporation, mount polley mine july 25, 2014 tailings storage facility stage 10 raise design report final project no 1197001. Air drying of the tailings may be carried out in the field or in the laboratory. In cases of failure triggered by mechanisms such as overtopping or piping, inadequate management has occurred over a period of time. Tailings storage facility, geological investigations sections 1 to 9 and 11.
A tailings dam is a tailings embankment or a tailings disposal dam. Design depends on the quantity and the individual characteristics of the. The pyrite concentrate tailings and the general plant tailings will be combined at the plant and pumped to a nearby tailings storage facility tsf as slurry at a design solids content of 55% by mass. A tailings storage facility can also be open pits, dry stacking, lakes or underground storages. Pdf design, construction and management of tailings. The tailings will be covered with an earth fill cover except for a pondwetland area at the location of the final supernatant pond. Small tsfs can be managed to meet the requirements of the departments guideline management of small tailings storage facilities 2006 or. Bhp billiton proposes to expand the existing olympic dam operation, including. The primary function of a tsf is the safe and economical storage of tailings in an erosionresistant, nonpolluting structure that minimises environmental impacts. Water cover closure design for tailings dams, state of the art report. Tsf4 will be located south of tsf 1 and will use part of the tsf 1 south wall as containment. Tailings are pumped from the mill to the storage area as slurry and dispersal methods. The tailings storage facility tsf design report presents an analysis of the.
For all mining projects in western australia, a tsf design report is to be produced. An operating manual should be maintained on site for all three tsf. To purchase this product or find out more information, visit. Electronic copy audalia resources ltd electronic copy simulus engineers submitted to. Tailings storage facilities in western australia c f actc. Causes of tailing dams failures 19152016 gridarendal.
Committed to responsible tailings management 2 in 2004, the mining association of canada mac first issued guidelines for the management of tsf, as part of its towards sustainable mining tsm initiative. The course will briefly cover the preparation and transportation of tailings, focusing on how these aspects affect design and operational decisions for the tailings storage facility tsf. These features of the deposited tailings need to be taken into account in the design of the storage facility. While this report discusses general features of tailings dams and impoundments, actual designs for tailings disposal are highly sitespecific. Affiliates of our company currently operate 18 tailings storage facilities tsfs, 16 in the u.
The first method is the cheapest and most common raising method. This can include a tailings dam impoundment and pond, decant structures and spillways. Asbuilt facilities are required to be signedoff by the design engineer. Report design report to support application for tailings. The tailings storage facility tsf design report presents an analysis of the background conditions and investigations undertaken. The term tsf refers to the overall storage facility and may include one or more tailings dams, associated pumping, decanting, monitoring and warning systems, storm water diversion and drainage channels etc.
686 279 953 470 1480 1018 1259 565 351 103 411 62 29 1382 1053 1278 1345 820 1016 1158 1142 161 1162 964 661 1153 1172 1013 1374 100 183 1340 720 284 1419 917 171 448 619 614