Guidance note qgn 29 department of energy and water. Electronic copy audalia resources ltd electronic copy simulus engineers submitted to. Design, construction and management of tailings storage facilities for surface disposal in china. Pdf design, construction and management of tailings.
Tsf4 will be located south of tsf 1 and will use part of the tsf 1 south wall as containment. Permission to use planning, design, and analysis of tailings. A tailings storage facility is a facility used to contain tailings. Appendix f tailings storage facility 4 detailed design. Additionally, this report covers terminology used, tailings dam design and the current tailings.
Report on mount polley tailings storage facility breach. To investigate and report on the cause of the failure of the tailings storage facility that. These features of the deposited tailings need to be taken into account in the design of the storage facility. Tailings storage facilities in western australia c f actc. Appendix f1 tailings storage facility design report pdf 4. 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. This can include a tailings dam impoundment and pond, decant structures and spillways. Air drying of the tailings may be carried out in the field or in the laboratory. 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. While this report discusses general features of tailings dams and impoundments, actual designs for tailings disposal are highly sitespecific. 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. Supplementary design report is in preparation incorporating changes to the original design report refs.
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. Regulators, industry and communities should adopt a shared zerofailure objective to tailings storage facilities where safety. 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. A tailings dam is a tailings embankment or a tailings disposal dam. Dry stack tailings facility dstf expansion detailed design. Tailings storage facility prefeasibility study design.
The pfs study report undertaken by kp was completed and issued in june 2014. Key tailings management documents used in industry. Study of tailings management technologies mend report 2. The guidelines were further updated in 2011 and 2017 a guide to the management of tailings facilities version 3. Appendix f1 tailings storage facility design report. Tailings storage facility conceptual closure plan alternatives assessment es2 three conceptual closure options were evaluated for this study.
Tsfs need to be individually tailored to the site, ore. 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. 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. Olympic dam expansion project tailings storage facility design report p 7 of 105 1 introduction 1. Pdf design, construction and management of tailings storage. Rosemont copper company dry stack tailings storage. For a general description of the proposed yeelirrie development refer to the per. Elliot lake closed site tailings storage facility ontario, canada june 2019 introduction to tailings dams tailings facilities in the portfolio approach to dam risk management at bhp the future maintaining dam integrity requires ongoing focus on appropriate engineering design, quality construction, operating discipline and effective governance.
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. 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. The primary function of a tsf is the safe and economical storage of tailings in an erosionresistant, nonpolluting structure that minimises environmental impacts. 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. Mount polley tailings storage facility used to store copper. 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. 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. Small tsfs can be managed to meet the requirements of the departments guideline management of small tailings storage facilities 2006 or. 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.
Water cover closure design for tailings dams, state of the art report. Kgl has undertaken optimisation studies for the project which. 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. 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. Management of tailings storage facilities gold fields. Design report to support application for tailings storage facility k stage 1. Appendix 63 tailings storage facilities design report part 1. Guidelines for the design and management of tailings. The tailings storage facility tsf design report presents an analysis of the. Tailings disposal, tailings management, tailings dam failures, environmental hazards, china tailings dams. Tailings storage facilities in western australia code of. In cases of failure triggered by mechanisms such as overtopping or piping, inadequate management has occurred over a period of time. This report documents the detailed design of the new dual cell tsf4 and associated infrastructure.
Tailings are pumped from the mill to the storage area as slurry and dispersal methods. Tailings management facilities implementation and improvement of closure and restoration plans for disused tailings facilities. 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 mining corporation, mount polley mine july 25, 2014 tailings storage facility stage 10 raise design report final project no 1197001. Design depends on the quantity and the individual characteristics of the. The australian centre for geomechanics acg has developed this training dvd for owners and operators of tailings storage facilities. 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.
The approach to tailings storage facilities must place safety first by making environmental and human safety a priority in management actions and ontheground operations. A tailings storage facility can also be open pits, dry stacking, lakes or underground storages. The environment and ground conditions are the most crucial parameters that control tailings storage methodology which ultimately affects the way a. The first method is the cheapest and most common raising method. An operating manual should be maintained on site for all three tsf. Introduction prior works interpreting the history of tailings storage facility tsf failures, 19102010, have concluded that the. Inspections are still carried out according to the osm manual. The moisture content of the exposed tailings is measured from samples extracted from the exposed area at appropriate time intervals. Tailings storage facility, geological investigations sections 1 to 9 and 11. The lining system of the returnwater dam comprises a geomembrane liner underlain by a gcl. Small tsfs are those which are not classified as a large tsf according to the above criteria.
Tailings storage facility tsf comprises the tailings dam, impoundment, pond as. Causes of tailing dams failures 19152016 gridarendal. Yeelirrie tailings storage facility design and management pdf, 3. The procedures of planning, design and construction of tailings design, construction and management of tailings storage facilities for surface disposal in china. Affiliates of our company currently operate 18 tailings storage facilities tsfs, 16 in the u. Report design report to support application for tailings. Rosemont copper company dry stack tailings storage facility final design report. The tailings storage facility tsf design report presents an analysis of the background conditions and investigations undertaken.
Tailings storage facility design and management ii. 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. 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. The purpose of the investigation has been as follows. For all mining projects in western australia, a tsf design report is to be produced. Asbuilt facilities are required to be signedoff by the design engineer. 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.
The tailings will be covered with an earth fill cover except for a pondwetland area at the location of the final supernatant pond. Bhp billiton proposes to expand the existing olympic dam operation, including. 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. 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.
1273 1425 1095 732 45 1426 454 1187 551 647 711 556 1332 375 595 649 1145 1102 1155 1042 1498 129 519 520 865 192 1476 991 75 810 774 1094 1229 905 292