The Cost of Rehabilitating Our Nation's Dams. A Methodology ...

Concrete/Masonry ConditionSpalls/exposed rebar/exposedaggregate 0.10Moderate to wide cracks 0.20Noted movement 0.30< 25% loss of section 0.25 50% loss of section/calculatedunstable 0.75SeepageClear seepage noted/clogged drain 0.10Muddied seepage noted 0.25Some boiling downstream 0.50Seepage w/sinkholes 0.75Vigorous boiling downstream 0.90MiscellaneousMiscellaneous minor defectsnoted in report 0.05Importance FactorsIdle/inactive dam 0.80Normal use 1.00Critical 1.2049