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- Knellpoort_Dam length "0.2".
- Knellpoort_Dam abstract "Knellpoort Dam is a combined gravity & arch type dam located on the Riet Spruit, near Wepener, Free State, South Africa. It was established in 1989.Due to siltation, the storage capacity of the Welbedacht Dam reduced rapidly from the original 115 million m3 to approximately 16 million m3 during the twenty years since completion. This reduction in storage created problems in meeting the Bloemfontein water demand at an acceptable level of reliability and as a result, the 50 m high Knellpoort Dam was completed in 1989. It was the first arch gravity Roller Compacted Concrete (RCC) dam in the world and comprises almost 64 600 m3 rollcrete and 14 200 m3 concrete with a gross storage capacity of 136 million m3.In order to prevent similar siltation problems to those experienced at the Welbedacht Dam, the Knellpoort Dam functions as an off-channel storage dam with a relatively small catchment area of only 764 km2 and corresponding Mean Annual Runoff (MAR) of approximately 20 million m3/a . Water from the Caledon River is pumped to Knellpoort Dam from the Tienfontein Pumping Station via a 2 km long canal which is equipped with a silt trap to reduce siltation in the main reservoir.The dams primary purpose is to serve for municipal and industrial use and its hazard potential has been ranked high (3).".
- Knellpoort_Dam description "gravity & arch".
- Knellpoort_Dam height "50.0".
- Knellpoort_Dam lake Knellpoort_Dam__1.
- Knellpoort_Dam length "200.0".
- Knellpoort_Dam location Free_State_(province).
- Knellpoort_Dam location South_Africa.
- Knellpoort_Dam openingYear "1989".
- Knellpoort_Dam river Riet_Spruit.
- Knellpoort_Dam wikiPageExternalLink index.htm.
- Knellpoort_Dam wikiPageID "25505348".
- Knellpoort_Dam wikiPageRevisionID "595636017".
- Knellpoort_Dam damCrosses Riet_Spruit.
- Knellpoort_Dam damHeight "50 m".
- Knellpoort_Dam damLength "200 m".
- Knellpoort_Dam damOperator "Department of Water Affairs and Forestry".
- Knellpoort_Dam damType "gravity & arch".
- Knellpoort_Dam hasPhotoCollection Knellpoort_Dam.
- Knellpoort_Dam location Free_State_(province).
- Knellpoort_Dam location South_Africa.
- Knellpoort_Dam name "Knellpoort Dam".
- Knellpoort_Dam nameOfficial "Knellpoort Dam".
- Knellpoort_Dam opening "1989".
- Knellpoort_Dam resCapacityTotal "1.36151E8".
- Knellpoort_Dam resCatchment "764.0".
- Knellpoort_Dam resName "Knellpoort Dam Reservoir".
- Knellpoort_Dam resSurface "985.4".
- Knellpoort_Dam subject Category:Dams_completed_in_1988.
- Knellpoort_Dam subject Category:Dams_in_South_Africa.
- Knellpoort_Dam point "-29.78361111111111 26.886111111111113".
- Knellpoort_Dam type Artifact100021939.
- Knellpoort_Dam type Barrier102796623.
- Knellpoort_Dam type Dam103160309.
- Knellpoort_Dam type DamsInSouthAfrica.
- Knellpoort_Dam type Object100002684.
- Knellpoort_Dam type Obstruction103839993.
- Knellpoort_Dam type PhysicalEntity100001930.
- Knellpoort_Dam type Structure104341686.
- Knellpoort_Dam type Whole100003553.
- Knellpoort_Dam type YagoGeoEntity.
- Knellpoort_Dam type YagoPermanentlyLocatedEntity.
- Knellpoort_Dam type ArchitecturalStructure.
- Knellpoort_Dam type Dam.
- Knellpoort_Dam type Infrastructure.
- Knellpoort_Dam type Place.
- Knellpoort_Dam type Wikidata:Q532.
- Knellpoort_Dam type Place.
- Knellpoort_Dam type Location.
- Knellpoort_Dam type SpatialThing.
- Knellpoort_Dam comment "Knellpoort Dam is a combined gravity & arch type dam located on the Riet Spruit, near Wepener, Free State, South Africa. It was established in 1989.Due to siltation, the storage capacity of the Welbedacht Dam reduced rapidly from the original 115 million m3 to approximately 16 million m3 during the twenty years since completion.".
- Knellpoort_Dam label "Knellpoort Dam".
- Knellpoort_Dam sameAs m.09rx0zk.
- Knellpoort_Dam sameAs Q6421943.
- Knellpoort_Dam sameAs Q6421943.
- Knellpoort_Dam sameAs Knellpoort_Dam.
- Knellpoort_Dam lat "-29.78361111111111".
- Knellpoort_Dam long "26.886111111111113".
- Knellpoort_Dam wasDerivedFrom Knellpoort_Dam?oldid=595636017.
- Knellpoort_Dam isPrimaryTopicOf Knellpoort_Dam.
- Knellpoort_Dam name "Knellpoort Dam".