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DTIC ADA105843: National Dam Safety Program. Ischua Creek Watershed... |
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by Defense Technical Information Center |
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Examination of available documents and visual inspection |
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of Ischua Creek Watershed Dam No.2 and appurtenant |
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structures did not reveal conditions which constitute a |
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hazard to human life or property. However, the dam has |
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some deficiencies which require further investigation and |
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remedial action. Drainage gullies were observed across |
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the emergency spillway and emanating from the downstream |
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east toe of the embankment. In addition, a bulge or |
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slough was observed in the upper portion of the |
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downstream east slope. It is recommended that these |
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conditions be evaluated further by a qualified registered |
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professional engineer. Using the Corps of Engineers |
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screening criteria for review of spillway adequacy, it |
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has been determined that the dam would not be overtopped |
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under full PMF conditions. The PMF routed through the |
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reservoir required 97 percent of the spillway outflow |
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capacity. The spillway is, therefore, judged to be |
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adequate. The investigations recommended should be |
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completed within 12 months of notification to owner, and |
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remedial actions resulting from these investigations |
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completed in the subsequent 12 months. |
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Date Published: 2017-12-22 20:50:19 |
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Identifier: DTIC_ADA105843 |
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Item Size: 58033911 |
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Language: english |
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Media Type: texts |
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# Topics |
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DTIC Archive; Farrell,Robert J ; ERDM... |
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