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Safety Design Flood for Too Wide Creek Dam

by Joseph S. Haugh, USDA, Washington, DC, USA,



Document Type: Proceeding Paper

Part of: Engineering Hydrology

Abstract:

This paper presents an example application of the procedure developed by the ASCE Task Committee on Spillway Design Floods for a dam on the Too Wide Creek. The example was developed from actual field data supplemented by use of reasonable assumptions for ease in illustrating the procedure. For dams where the consequences of failure are not considered catastrophic, the safety design can be determined by a consideration of several alternatives and displaying the results so that the trade-offs can be readily compared. In the case of Too Wide Creek, the economic analysis alone, even when considering the indemnification cost to the owner would have driven the decision to a flood smaller than the propable maximum flood. However, when all other effects were displayed, the decision can be based on all known facts especially the threat to human life.

Subject Headings: Floods | Dam failures | Hydraulic design | Rivers and streams | Wave overtopping | Dam safety | Spillways

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