Guidelines on Strengthening and Raising Concrete Gravity Dams (1992)
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Guidelines
ANCOLD Guidelines on Risk Assessment (July 2022)
Learn morePlease note only available in hardcopy format.
The ANCOLD Guidelines on Risk Assessment were published in 2003. They have served the Australian dam community very well and are referenced internationally. Risk assessment is now the principal approach to manage engineering risks at water dams and now a developing practice for tailings dams.
These new guidelines on risk assessment replace the 2003 publication. They include updates to several sections taking account of developments in risk analysis methods and risk evaluation, from experience in applying those guidelines. As for ANCOLD (2003), these guidelines are directed to the practical application of risk assessment, as an aid to better dam safety management. Risk management is the end objective – risk assessment is a means to that end.
These guidelines have been produced by a Working Group of six members, all with significant experience with risk assessments for dams. A Reference Committee of sixteen members has been engaged throughout the development of the Guidelines.
The Working Group and Reference Committee include representatives of dam owners, consultants, universities, and regulators of dam safety. Six Australian states and the ACT were represented. Members and associates of ANCOLD have also provided input through risk workshops held with annual conferences.
Dam owners, decision-makers and analysts need to consider the current state of development of risk assessment in deciding how best to use and apply the process in reaching decisions on dam safety, having regard to their specific overall business risk management needs, and their community and legal responsibilities.
These guidelines also require consideration by dam safety regulators, who need to decide what part risk assessment can play in the discharge of their responsibilities. Deciding on the tolerability of risk is one of the functions of regulators.
ANCOLD continues to believe that the use and further development of risk assessment using studies of the traditional engineering standards-based approach as an input, as proposed in these guidelines, offers the potential for significantly improved dam safety management.
Risk assessment methods are continuously developing. ANCOLD recognizes that detailed aspects of these guidelines will be overtaken by developments within a few years and urges practitioners to keep abreast of new knowledge. Nevertheless, the framework and generic guidelines in this publication are essentially as detailed in ANCOLD (2003) and are expected to remain valid for many years.
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Guidelines
Guidelines for Dam Instrumentation and Monitoring Systems (1983)
Learn moreAs this current guideline contains useful information, the ANCOLD Executive decided to reprint a small quantity which are now available for purchase.
The Watching Brief Guidelines for Dam Instrumentation and Monitoring Systems (1983), established following the Dam Instrumentation Workshop in Sydney, continues to scan for information and topical developments related to the monitoring of dams using a range of instrumentation techniques. A position paper outlining the current status for the Executive is planned for 2013 and will provide a mechanism to move forward on the need for an updated guideline.
Members wishing to contribute papers, views, or information to the watching brief should contact Chris Topham via the ANCOLD secretariat [email protected]ancold.org.au
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Guidelines
Guidelines on the Environmental Management of Dams (2001)
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Guidelines
Guidelines on Selection of Acceptable Flood Capacity for Dams (2000)
Learn moreThe application of risk assessment involves a major philosophical addition to, and enhancement of the deterministic standards developed over many years for appropriate safety of dams. These guidelines are issued to provide more appropriate and consistent guidance within a risk process, for dam safety evaluation under floods. In applying them, it must be remembered that they are guidelines only to what is considered current acceptable practice and allow owners and practitioners flexibility to exercise professional judgment in all aspects. Indeed, without the application of such judgment, the procedures themselves could lead to results that have serious shortcomings.
This is a rapidly developing area with ongoing research in many related aspects. In view of this ANCOLD will review the guidelines periodically and, to that end, seek comments from users at every opportunity.
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Guidelines
Guidelines on the Consequence Categories for Dams (October 2012)
Learn moreANCOLD has prepared these important Guidelines to provide a consistent method of categorising the consequences of dam failure so that resources can be allocated according to the potential effects of failure on the general community.
These Guidelines replace the ANCOLD Guidelines on the Assessment of the Consequences of Dam Failure issued in May 2000 and follow a similar approach. However, they include quite significant changes aimed at providing enhanced description of Consequence Categories and making them easier and more consistent to use.
The Technical Working Group has made every effort to make these Guidelines straightforward to use by professional engineers and consistent with other ANCOLD guidelines.
However the complexity of determining the various parameters that make up each Consequence Category means that only experienced dam engineering professionals should interpret and use these Guidelines when making decisions that could impact on community safety, community cost and services, infrastructure, natural environment, heritage, and the owner’s and other businesses.
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