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National Program for Inspection of Non-Federal Dams. Whiting River Dam (CT 00483), Housatonic River Basin, North Canaan, Connecticut. Phase I Inspection Report
The Whiting River Dam is a single purpose flood control dam. The dam consists of a zoned earth embankment with a maximum height of 80 feet. The dam is 580 feet long and has a grass-covered 250 foot emergency spillway excavated into the left abutment. The principal spillway is of the drop inlet type and discharges through a reinforced concrete conduit through the center of the dam. As the dam is used for flood control, the impoundment remains at the principal spillway level except during periods of heavy runoff. The impoundment has a maximum storage capacity of 5,000 Acre-Feet. Based on the visual inspection and a review of all available pertinent data, the condition of the dam is judged to be good. The impoundment has never been substantially filled so the behavior of the structure under full hydrostatic loading conditions is unknown. The future integrity of trhe dam could be affected by the construction of the right side of the emergency spillway on fill, the location of the emergency spillway in the vicinity of the downstream toe of the dam, and the settlement and erosion of the stone drains at the abutments. The spillway capacity with the water level at the top of the dam is 14,800 cfs, 88 percent of the routed Test Flood outflow. The Test Flood would overtop the dam by 0.5 feet.
National Program for Inspection of Non-Federal Dams. Whiting River Dam (CT 00483), Housatonic River Basin, North Canaan, Connecticut. Phase I Inspection Report
The Whiting River Dam is a single purpose flood control dam. The dam consists of a zoned earth embankment with a maximum height of 80 feet. The dam is 580 feet long and has a grass-covered 250 foot emergency spillway excavated into the left abutment. The principal spillway is of the drop inlet type and discharges through a reinforced concrete conduit through the center of the dam. As the dam is used for flood control, the impoundment remains at the principal spillway level except during periods of heavy runoff. The impoundment has a maximum storage capacity of 5,000 Acre-Feet. Based on the visual inspection and a review of all available pertinent data, the condition of the dam is judged to be good. The impoundment has never been substantially filled so the behavior of the structure under full hydrostatic loading conditions is unknown. The future integrity of trhe dam could be affected by the construction of the right side of the emergency spillway on fill, the location of the emergency spillway in the vicinity of the downstream toe of the dam, and the settlement and erosion of the stone drains at the abutments. The spillway capacity with the water level at the top of the dam is 14,800 cfs, 88 percent of the routed Test Flood outflow. The Test Flood would overtop the dam by 0.5 feet.
National Program for Inspection of Non-Federal Dams. Whiting River Dam (CT 00483), Housatonic River Basin, North Canaan, Connecticut. Phase I Inspection Report
1981
163 pages
Report
No indication
English