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The Coyote Dam Outlet Works Replacement Project: Hazard Reduction
The Santa Clara Valley Water District's Coyote Dam faced three major concerns: siltation of the existing outlet; a fault that crosses the existing outlet pipe; and the dam toe and the...

Hydraulic Performance of Culvert End Sections Designed for Collision Safety
A type of end section for pipe culverts that was designed for collision safety has some favorable hydraulic characteristics. These safety end sections are long and narrow with large steel...

Dam Safety Modifications for Clear Creek Dam Manuscript for ASCE Hydraulics Division 1993 National Conference on Hydraulic Engineering
Clear Creek Dam, an unsafe thin arch dam, was stabilized by constructing a concrete gravity buttress on the downstream face. During the Bureau of Reclamation's (Reclamation) Safety Evaluation...

Bartlett Dam Fuseplug Auxiliary Spillway
Bartlett Dam is located approximately 77 km northeast of Phoenix, Arizona on the Verde River. The Bureau of Reclamation (Reclamation) has determined that the structure is not capable of...

Development Strategies for Botswana's Okavango Delta
This paper contrasts two different development strategies for the Okavango Delta - the Government of Botswana's Southern Okavango Integrated Water Development Project and an IUCN-proposed...

The Dam Safety Process
A safe dam is one which performs its intended functions without imposing unacceptable risks to public safety, property, and welfare by its presence. Ensuring the safety of a dam requires...

Bureau of Reclamation Downstream Hazard Classification
An overview of the downstream hazard classification process used by the Bureau of Reclamation (Reclamation) and other U.S. Department of the Interior (DOI) agencies for the safety of dams...

Using Threat to Life Studies to Guide Dam Safety Decisions
Ensuring that Bureau of Reclamation (Reclamation) dams do not present unacceptable risks to public safety, prosperity, and welfare serves as a primary objective of Reclamation's Safety...

Economic Aspects of the Bureau of Reclamation Safety of Dams Program
The paper briefly examines economic aspects of the Bureau of Reclamation (Reclamation) Safety of Dams (SOD) program evaluation process. Procedures described include the downstream damage...

Emergency Action Plan
Although most dam owners have a high level of confidence in the structures they own and are certain their dams will not fail, the Bureau of Reclamation (Reclamation) included, history...

Scour Prediction Model at Bridge Abutments
A model to predict local abutment scour is presented. The model is based on a large number of laboratory experiments over the past half century. The dependent variable, a ratio that includes...

Assessment and Prediction of Debris-flow Hazards
Study of debris-flow geomorphology and initiation mechanism has led to better understanding of debris-flow processes. This paper reviews how this understanding is used in current techniques...

Research Needs for Debris Flow Disaster Prevention
A 'soft' disaster reduction strategy is proposed based on identification of hazard location, extent and maximum intensity; monitoring of antecedent catchment moisture, sediment and vegetation...

Debris Flows and Mass Wasting in Volcanic Torrents
Observation of debris flow and topographic survey for mass wasting in the volcanic torrents clarified that (1) mass wasting processes such as rock fall from the side-wall and toppling...

Interpreting Debris-Flow Hazard from Study of Fan Morphology
The deposits, stratigraphy, and surface morphology of debris-flow fans are a record of past debris-flow activity, and as such can provide useful information about debris-flow hazards....

Riprap Design at Bridges?Factor of Safety Approach
The factor of safety method offers a physically based methodology for design of riprap that relates the applied shear stress on the channel boundary to the stability of the riprap layer....

Confirmation of Seismic Safety at Stafford Dam
A critical aspect of the North Marin Water District's mission to maintain reliable water supply facilities and water service is periodic assessment and re-evaluation of the seismic safety...

Mapping Debris-Flow Hazard in Honolulu Using a DEM
A method for mapping hazard posed by debris flows has been developed and applied to an area near Honolulu, Hawaii. The method uses studies of past debris flows to characterize sites of...

Structural and Non-Structural Debris-Flow Countermeasures
Debris-flow can potentially occur for almost any torrents whose gradient is steeper than a given critical value and the frequency at which the debris-flow occurs depends on geological...

Large-Scale Embankment Overtopping Protection Tests
The U.S. Bureau of Reclamation (Reclamation), Colorado State University (CSU), and the Electric Power Research Institute (EPRI) have an ongoing cooperative research effort to determine...

 

 

 

 

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