The Fort Gibson Dam is a gravity dam on the Grand (Neosho) River in Oklahoma, 5.4 mi (9 km) north of the town of Fort Gibson. The dam forms Fort Gibson Lake. The primary purposes of the dam and lake are flood control and hydroelectric power production, although supply of drinking water to local communities, as well as recreation, are additional benefits.[4] The project was authorized by the Flood Control Act of 1941 and construction began the next year. During World War II construction was suspended and it recommenced in May 1946. In June 1949, the river was closed and the entire project was complete in September 1953 with the operation of the last of the power plant's four generators.[5] Rights to construct the project originally belonged to the Grand River Dam Authority, but were seized by the U.S. Army Corps of Engineers in 1946.[6]
Salient features
Release of floodwater in 2015
Dam
Dam
Type
Concrete gravity
Average Height
90 ft (27 m)
Crest length
2,850 ft (869 m)
Concrete
461,300 cu yd (352,689 m3)
Reinforcing steel
2,655,000 lb (1,204,288 kg)
Miscellaneous metal works and castings
300,000 lb (136,078 kg)
Tainter gates
3,120,000 lb (1,415,208 kg)
Tainter gate anchorages
901,000 lb (408,687 kg)
Emergency gate guides
160,000 lb (72,575 kg)
Dikes
Number
3
Type
Rolled earth filled topped by surfaced service roadway
Height
18 ft (5 m) (max)
Length (Total all dikes)
8,500 ft (2,591 m)
Width (At top)
16 ft (5 m)
Elevations (above sea level)
Top of dam
593 ft (181 m)
Top of gates
582 ft (177 m)
Spillway crest
547 ft (167 m)
Top of power pool
554 ft (169 m)
Flood control pool
582 ft (177 m)
Spillway
Spillway
Type
Gate-controlled concrete gravity ogee-weir with stilling basin
Gates
30 (40 feet by 35 feet tainter)
Length
1,490 ft (454 m)
Capacity - Pool at top of gates
915,000 cu ft/s (25,910 m3/s)
Capacity - Maximum pool
915,000 cu ft/s (25,910 m3/s)
Capacity - Power pool
69,000 cu ft/s (1,954 m3/s)
Outlet works
Outlet works
Number of sluices
10
Size of sluices
5 feet 8 inches by 7 feet
Capacity - Pool at top of gates
20,800 cu ft/s (589 m3/s)
Capacity - Power pool
16,500 cu ft/s (467 m3/s)
Capacity - Pool at WEIR crest
15,300 cu ft/s (433 m3/s)
Reservoir
Reservoir Capacities
Pool - at top of gates
1,287,000 acre-feet (1.587×109 m3)
Pool- at maximum stage
1,292,000 acre-feet (1.594×109 m3)
Top of power pool
365,000 acre-feet (450,000,000 m3)
Drainage area
12,615 sq mi (32,673 km2)
[7]
Contractors
First Contract: Al Johnson construction co. Winston brothers co. peter kiewit sons co. 608 Foshay Tower. Minneapolis, Minnesota
Second Contract: W. R. Grimshaw company. - Tulsa, Oklahoma
References
Wikimedia Commons has media related to Fort Gibson Dam.
^"American Governor Company Awarded U.S. Army Corps of Engineers Fort Gibson Modernization Project" (PDF). American Governor Company. Archived from the original (PDF) on 25 April 2012. Retrieved 25 October 2011.
^"Economic Appendix". Arkansas River Navigation Study. pp. B-14. Retrieved 25 October 2011.
^"Guide Book XII" (PDF). Oklahoma Geological Survey. p. 9. Retrieved 25 October 2011.
^"Fort Gibson Lake". U.S. Army Corps of Engineers. Retrieved October 19, 2019.
^Dilsaver, ed. by Lary M.; Colten, Craig E. (1992). The American environment : interpretations of past geographies. Lanham, Md.: Rowman and Littlefield Publishers. p. 185. ISBN 0-8476-7754-0. {{cite book}}: |first= has generic name (help)
^"Fort Gibson Dam and reservoir". 7 September 2011.
External links
Sequoyah State Park - Oklahoma Tourism and Recreation Department
Fort Gibson Lake Area - Oklahoma Tourism and Recreation Department