Risk Management For Tailings Dam Safety
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Risk Management For Tailings Dam Safety
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Author : Haley Schafer
language : en
Publisher:
Release Date : 2022
Risk Management For Tailings Dam Safety written by Haley Schafer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with Risk management categories.
Post-closure tailings dams are expected to remain on mine sites in perpetuity following mine closure. Combined with the lack of knowledge regarding how tailings dams will evolve over time, these long-time frames necessitate the development of risk management practices. The purpose of this research was to develop methodology to support the process of determining and assessing the long-term risks of tailings dams in Alberta as they transition into landforms. The research project evaluated the state of knowledge on the long-term behaviour of tailings dams and demonstrated the knowledge gap (and associated uncertainty) associated with the closure phase of a tailings dam. To address this, a risk management tool, referred to as the Generalized Failure Modes Effects Analysis (G-FMEA) framework, was developed. The G-FMEA framework was applied to a case study oil sands tailings dam to illustrate an example application for practitioners. Finally, seepage analysis was conducted on the case study oil sands tailings dam to demonstrate how modelling tools can be used in conjunction with risk management tools to reduce uncertainty. To aid in the development of the G-FMEA framework, a detailed literature review and interviews with industry professionals were conducted. This process allowed for available information on the physical performance of tailings dams undergoing closure in Canada to be synthesized. Further, it allowed for the identification of hazards, triggers, failure modes, and uncertainties associated with tailings dam closure, which was a key element to the G-FMEA development. The interviews themselves clearly showed the lack of consensus amongst practitioners regarding long-term dam evolution. This emphasizes the uncertainty associated with closure and is a primary reason why comprehensive risk management practices must be developed. The developed G-FMEA framework uses an element approach to conduct the FMEA, which allows for the relationships between different elements to be established. The G-FMEA framework includes four individual charts for the drainage system, foundation, dam body, and landform to assess the failure modes, triggers/causes, and failure effects for different elements. The G-FMEA framework requires the risk assessment to be conducted at four different temporal scales (immediate term, short term, medium term, and long term) that are anchored to different periods of management of the facility. A risk matrix was developed for use with the G-FMEA, which includes a likelihood rating table, consequence rating table, and risk rating table. The developed G-FMEA framework provides a systematic method to assess the risks following closure of tailings dams. The G-FMEA framework was applied to a case study oil sands tailings dam to illustrate how the framework could be used in practice. Two example failure modes were selected to show how the risk matrix could be used to assign risk ratings. For both of the example failure modes, the risk rating increased as the temporal scale increased, which is partially attributed to the increasing uncertainty over time. Long-term seepage modelling was conducted on a case study oil sands tailings dam to evaluate how the phreatic surface may evolve in response to various factors (drain failure, pond formation, downstream slope erosion, and climate change). The results suggest that the phreatic surface has the potential to rise in the long term in response to different events, including drain failure and ponds forming on the reclamation surface. The seepage modelling was used to show how modelling could be used to inform risk management decisions by reducing uncertainty and allowed for the development of a framework for guidance on conducting long-term seepage modelling.
Tailings Dam Management For The Twenty First Century
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Author : Franco Oboni
language : en
Publisher: Springer
Release Date : 2019-07-13
Tailings Dam Management For The Twenty First Century written by Franco Oboni and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-07-13 with Science categories.
This book presents a comprehensive approach to address the need to improve the design of tailings dams, their management and the regulation of tailings management facilities to reduce, and eventually eliminate, the risk of such facilities failing. The scope of the challenge is well documented in the report by the United Nations Environment Program (UNEP) and GRID Arendal entitled “Mine Tailings Storage: Safety Is No Accident,” which was released in October 2017. The report recommends that “Regulators, industry and communities should adopt a shared, zero-failure objective to tailings storage facilities...” and identifies several areas where further improvements are required. In this context, the application of cutting-edge risk-assessment methodologies and risk-management practices can contribute to a significant reduction and eventual elimination of dam failures through Risk Informed Decision Making. As such, the book focuses on identifying and describing the risk-assessment approaches and risk-management practices that need to be implemented in order to develop a way forward to achieve socially acceptable levels of tailings dam risk.
Risk And Uncertainty In Dam Safety
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Author : Desmond N. D. Hartford
language : en
Publisher: Thomas Telford
Release Date : 2004
Risk And Uncertainty In Dam Safety written by Desmond N. D. Hartford and has been published by Thomas Telford this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Social Science categories.
Intends to assist the dam owner in evaluating the needs for dam safety improvement, selecting and prioritizing remedial and corrective actions, and improving the operation, maintenance and surveillance procedures. This book is intended not only for industry specialists but also for readers outside the dam engineering community.
Tailings Dams
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Author :
language : en
Publisher: United Nations Publications
Release Date : 2001
Tailings Dams written by and has been published by United Nations Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Nature categories.
Tailings are the residue of the milling process for extracting metals for ore. They are mostly commonly dumped in surface impoundments (tailing dams), the embankments of which are usually earthfilled dams. In spite of a number of guidelines to their design and construction there are still major failings each year. This book gathers together 221 case records of incidents in attempt to investigate the causes of failure. The main causes were found to be lack of control of water balance, lack of control of construction, lack of understanding of the feature that control safe operation
Risk Analysis Dam Safety Dam Security And Critical Infrastructure Management
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Author : Ignacio Escuder-Bueno
language : en
Publisher: CRC Press
Release Date : 2011-09-26
Risk Analysis Dam Safety Dam Security And Critical Infrastructure Management written by Ignacio Escuder-Bueno and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-09-26 with Technology & Engineering categories.
This book offers the state of the art on risk analysis, representing a primary tool for achieving effective management of critical infrastructures along with a suitable framework for the development of risk management models regarding natural, technological and human-induced hazards. Essential reading for graduate students and researchers interested in risk analysis as applied to all type of critical infrastructures, and for designers, engineers, owners and operators of critical infrastructures in general and dams in particular.
Tailings Management Handbook
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Author : Kimberly Finke Morrison
language : en
Publisher: Society for Mining, Metallurgy & Exploration
Release Date : 2022-02-01
Tailings Management Handbook written by Kimberly Finke Morrison and has been published by Society for Mining, Metallurgy & Exploration this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-02-01 with Technology & Engineering categories.
As long as we have mining and mineral processing, tailings and the responsible management thereof will remain at the forefront, with a company’s environmental, social, and governance (ESG) performance in part a reflection of how well tailings risks are being managed. The Global Industry Standard on Tailings Management (GISTM) was published in August 2020, aiming to prevent catastrophic failure of tailings facilities by providing operators with specified measures and approaches throughout the mine life cycle, taking into account multiple stakeholder perspectives. In 2021, the International Council on Mining & Metals (ICMM) published the Tailings Management: Good Practice Guide intended to support safe, responsible management of tailings across the global mining industry, providing guidance on good governance and engineering practices to support continual improvement in tailings storage facility (TSF) management and help foster and strengthen the safety culture of mining companies. The Tailings Management Handbook is important and timely because there is no other comprehensive resource rooted in these new fundamentals and global principles for tailings management. Tailings management requires interdisciplinary and cross-functional understanding and support, which is apparent throughout this handbook. Dive into the wealth of information contributed by more than 100 world-renowned experts, beautifully crafted into a full-color handbook that focuses on the basics, life-cycle planning, site and tailings characterization, TSF design and construction, as well as systems and operations of TSFs. The inclusion of 42 case studies is an added plus with real-world successes and lessons learned.
Case Studies On Tailings Management
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Author : International Council on Metals and the Environment
language : en
Publisher: UNEP/Earthprint
Release Date : 1998
Case Studies On Tailings Management written by International Council on Metals and the Environment and has been published by UNEP/Earthprint this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Barrages categories.
To enhance understanding of tailings management & demonstrate how the mining industry is managing the risks associated with tailings disposal, this publication offers a collection of 21 case studies prepared by technical experts throughout the industry in many parts of the world. Fully illustrated, it also provides an overview describing tailings, the main concerns & issues relating to them, & how they are managed by industry.
Risk Management Policy Framework For Dam Safety
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Author :
language : en
Publisher:
Release Date : 2007
Risk Management Policy Framework For Dam Safety written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Dams categories.
"This policy framework comprises high level generic principles and accompany notes, tables and figures that amplify the principles or indicate their application."--DSC Policy Framework.
Risk Assessment In Dam Safety Management
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Author :
language : en
Publisher:
Release Date : 2005
Risk Assessment In Dam Safety Management written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
Risk Reliability And Safety Innovating Theory And Practice
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Author : Lesley Walls
language : en
Publisher: CRC Press
Release Date : 2016-11-25
Risk Reliability And Safety Innovating Theory And Practice written by Lesley Walls and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-25 with Technology & Engineering categories.
Risk, Reliability and Safety contains papers describing innovations in theory and practice contributed to the scientific programme of the European Safety and Reliability conference (ESREL 2016), held at the University of Strathclyde in Glasgow, Scotland (25—29 September 2016). Authors include scientists, academics, practitioners, regulators and other key individuals with expertise and experience relevant to specific areas. Papers include domain specific applications as well as general modelling methods. Papers cover evaluation of contemporary solutions, exploration of future challenges, and exposition of concepts, methods and processes. Topics include human factors, occupational health and safety, dynamic and systems reliability modelling, maintenance optimisation, uncertainty analysis, resilience assessment, risk and crisis management.