Ball Plug

Ball Plug (HM1YOD)

Location: Cody, WY 82414 Park County
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Country: United States of America
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N 44° 30.027', W 109° 11.265'

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Inscription

—Buffalo Bill Dam —

Ball Plug

This large wood and concrete ball plug was one of two used to halt the flow of water through the 42-inch diameter power outlet works conduits, located in the base of the dam. The balls facilitated the repair and maintenance of downstream machinery and equipment. In order to access the submerged conduit openings on the upstream face of the dam, trash rack structures first had to be removed by divers and raised to the surface by a cableway winch. Then, assisted by divers, the ball plugs were lowered by the cableway winch into position, where water pressure forced the balls against the conduit openings, sealing off the flow of water. The construction of the ball plugs utilizing a combination of wood and concrete provided strength and also allowed easy maneuverability under water.
Two new ball plugs were obtained during the Buffalo Bill Dam modification project of (1985-1993), since the removal of the cableway winch in 1985, the installation of the of the new ball plugs must be accomplished using a barge mounted crane on the reservoir.
Details
HM NumberHM1YOD
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Marker ConditionNo reports yet
Date Added Thursday, June 1st, 2017 at 9:01pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)12T E 644069 N 4929056
Decimal Degrees44.50045000, -109.18775000
Degrees and Decimal MinutesN 44° 30.027', W 109° 11.265'
Degrees, Minutes and Seconds44° 30' 1.62" N, 109° 11' 15.9" W
Driving DirectionsGoogle Maps
Area Code(s)307
Which side of the road?Marker is on the right when traveling East
Closest Postal AddressAt or near US-20, Cody WY 82414, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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