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Last modified
1/25/2010 6:45:23 PM
Creation date
10/5/2006 12:21:34 AM
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Template:
Floodplain Documents
County
Statewide
Basin
Statewide
Title
Interim Procedures for Evaluating Scour at Bridges
Date
9/1/1988
Prepared By
Federal Highway Administration
Floodplain - Doc Type
Educational/Technical/Reference Information
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<br />A-a <br /> <br />.1 <br />I <br />( <br />'1 <br />I <br />I <br />I <br />I <br />I <br />I <br />I. <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br /> <br />'\_1 <br /> <br /> <br />I <br /> <br />Completion of the Final Re~ort <br /> <br />The final report will be completed after the final analysis of the data is <br />completed. The USGS review process will include an in-district colleague <br />review, an out-of-district colleague review, a regional review, a review at <br />the directors office, and a final review by [::>sponsoring agency<::]. After <br />passing through all reviews, the final report will be published. <br /> <br />Benefits <br /> <br />An investigation into bridge scour at this level of detail will be the first <br />of its type for [::>study area<::] and will provide insight to the severity of <br />the problem of bridge scour in [::>study area,.:]. The report published at <br />the end of the project will aid bridge designers by providing reliable onsite <br />research information that can be used to evaluate and select predictive <br />equations. This study also will provide a data base of bridge-scour data <br />collected at sites from different geographical areas of the state that <br />represent a wide range of drainage-basin sizes and streambed compostions. The <br />report will be a useful tool in helping to produce economical foundation <br />designs for bridge sites in [::>study area<..] <br /> <br />Reports <br /> <br />A U.S. Geological Survey Water-Resources Investigation Report wiil be <br />published summarizing the comparison between the observed local scour depths <br />at each site and the estimated local scour depths from the published <br />prediction equations. The preliminary title of the report is "Evaluation ot' <br />Bridge-Scour Data at Selected Sites in [..)study area<..]". It will contain a <br />complete review of the project objectives, methOds, and site descriptions, <br />graphic displays of observed scour at sites, and an evaluation of scour <br />prediction equations and geophysical ,teChniques in defining local scour. <br /> <br />Costs <br /> <br />Personnel Requirements <br /> <br />Work Schedule <br />
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