TeachMeFinance.com - explain Overall safety of dams classification
Overall safety of dams classification The term 'Overall safety of dams classification' as it applies to the area of reclamation can be defined as ' One of the following classifications is assigned to a dam following an onsite examination and subsequent analyses using available data and state-of-the-art knowledge: Satisfactory. - No existing or potential dam safety deficiencies are recognized. Safe performance is expected under all anticipated loading conditions, including such events as the maximum credible earthquake (MCE) and the probable maximum flood (PMF). Fair. - No existing dam safety deficiencies are recognized for normal loading conditions. Infrequent hydrologic and/or seismic events would probably result in a dam safety deficiency. Conditionally Poor. - A potential dam safety deficiency is recognized for unusual loading conditions that may realistically occur during the expected life of the structure. Conditionally Poor may also be used when uncertainties exist as to critical analysis parameters that identify a potential dam safety deficiency; further investigations and studies are necessary. Poor. - A potential dam safety deficiency is clearly recognized for normal loading conditions. Immediate actions to resolve the deficiency are recommended; reservoir restrictions may be necessary until the problem is resolved. Unsatisfactory. - A dam safety deficiency exists for normal loading conditions. Immediate remedial action is required for problem resolution'.
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