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G272: Behaviour of Ice Covers Subjected To Large Daily and Level Fluctuation - Project Review - Concepts and Analyses Volumes I+II+III+IV and Appendices

A study was undertaken to investigate the stability of solid ice covers under variable water level and flow conditions. The results of field studies are reported. Preliminary guidelines were developed to promote early winter formation of a stable ice cover which can withstand midwinter fluctuations in flows and water levels.Volume 1 - Project Review - Concepts and Analyses Volume 2 - Madawaska River Thermal Regime Study Volume 3 - Peace River Ice Regime Study Volume 4 - Appendices

Jan 19, 2006

DSIG

Research

0205B-4: Investigation of Geophysical Methods for Assessing Seepage and Internal Erosion in Embankment Dams: A Guide to Resistivity Investigation and Monitoring of Embankment Dams

T992700‐0205B-4. A Guide to Resistivity Investigation and Monitoring of Embankment Dams This volume marks one of a series of reports on the subject of geophysical methods and their use in assessing seepage and internal erosion in embankment dams. These reports are available both separately and as a package.The resistivity method is an established geophysical method with a broad range of engineering and environmental applications. It has been tried numerous times on embankment dams, mai

Dec 1, 1999 - Oct 1, 2007

DSIG

Research

0388: Penstock Inspection and Assessment Reference Manual

The three most common causes of penstock failures are geotechnical issues, deterioration, and vacuum-related failures. Through improved operations and maintenance activities and a careful evaluation of assessment data (i.e. inspection, surveillance, and failure mode analysis) these common failures can be minimized and potentially prevented. Since penstock failures can result in loss of life, property damage, adverse environmental impacts and lost revenue, an improved industry understanding of th

Nov 11, 2014 - May 5, 2016

HPE

Research

0242: CPF: Toolkit for Standard EAP Exercise Development

This toolkit guides the EAP exercise design team through all the steps needed in creating a successful, comprehensive EAP exercise. The critical steps for the exercise design are identified and discussed, and helpful suggestions are provided for critical milestones of the exercise design process.This toolkit includes example scenarios (with historical references), messages, and report forms that may be used for a dam owner’s comprehensive EAP exercise. Suggestions for engaging external pla

May 1, 2018 - Nov 30, 2018

DSIG

Research

0243: CPF: Understanding the Incident Command System – Guidance to Dam Owners/Operators

This document introduces dam owners to the Incident Command System (ICS), which they may find themselves working in during an emergency. Understanding the reasoning and function of ICS will increase a dam owner’s efficiency and effectiveness when working with emergency responders. This document focuses on the ICS developed in the United States (commonly in use in North America). There is a need for common terminology when communication between dam owners/operators and the emergency respons

May 1, 2018 - Nov 30, 2018

DSIG

Research

0229: Multifractals and Physically Based Estimates of Extreme Floods

The overall goal of this project is to better (statistically) predict floods using a physically based approach, established on systems which respect scale symmetry over a wide range of space-time scales. In addition, this project aims to determine the relationship between flood magnitude and return period for a wide range of aggregation periods. Previous phases of this report have focused on developing this theory and demonstrating it on a data series. This phase of the project consisted of crea

Apr 1, 2012 - May 3, 2013

DSIG

Research

0244: CPF: Translation of Methodology for Analysing and Managing Floating Debris at Dams and Reservoirs

A methodology has been developed that can be used to analyse and categorise dam facilities in terms of their vulnerability to floating debris and provide guidance on prioritisation and choice of remedial action.The assessments can be performed by an individual with good local knowledge and understanding of the problem of floating debris or, alternatively, with the help of various in-depth analyses, such as spatial analysis.To prioritize the need for mitigation measures, the vulnerability of upst

Jan 15, 2019 - Apr 29, 2019

DSIG

Research

0212A-C: Multifractal and Physically Based Estimates of Extreme Floods (Phase 1)

The aim of this project is to better predict floods by using a physically-based approach established on systems that respect a scale symmetry over a wide range of space-time scales. This approach will determine the relationship between flood magnitude and return period for a wide range of aggregation periods.The major activities of the project include data selection, data analysis and methodology development. It aims to resolve several problems encountered in existing flood studies related to th

Feb 11, 2012

DSIG

Research

0246: CPF: Translation of Structural Safety of Cracked Concrete Dams

The question regarding how state assessments of cracked concrete structures should be performed has since long been very interesting for the Dam Safety R&D program at Energiforsk. This report builds upon the project “Investigating the structural safety of cracked concrete dams” which was conducted by CEATI’s Dam Safety Interest Group (DSIG) in 2015, a project that the program proposed and supported.This study aims to develop a Swedish guideline for assessing status as well as c

Sep 20, 2019 - Nov 19, 2019

DSIG

Research

0225: Comparison of Flood Hazard Estimation Methods for Dam Safety - Phase 1 Task 2

This project provides a structured review of the available and evolving methods for estimating flood flows, where they are used and, importantly, the assumptions and limitations they contain. The project outputs are provided in two task reports. The Task 1 report provides a review of the regulatory frameworks in place around the world and their impact on the estimation of flood flows. The Task 2 report focuses on the estimation approaches themselves and is covered here.The Task 2 report provides

Sep 13, 2011 - Nov 28, 2013

DSIG

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