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Statements

Subject Item
dbr:Welbedacht_Dam
rdf:type
yago:WikicatDamsCompletedIn1973 yago:Artifact100021939 yago:Whole100003553 yago:Structure104341686 yago:Object100002684 dbo:ArchitecturalStructure yago:WikicatDamsInSouthAfrica yago:Dam103160309 yago:PhysicalEntity100001930 yago:Barrier102796623 dbo:Dam owl:Thing dbo:Infrastructure yago:YagoPermanentlyLocatedEntity yago:YagoGeoEntity yago:Obstruction103839993 geo:SpatialThing wikidata:Q12323
rdfs:label
Welbedacht Dam
rdfs:comment
Welbedacht Dam is a concrete-gravity type dam situated in South Africa, and was established in 1973.Bloemfontein is the sixth-largest city in South Africa, with a population around 300 000. It is situated in the Modder River catchment, which has insufficient water resources to meet the growing water requirements. The water supply to Bloemfontein is, therefore, augmented from the adjacent Caledon River by means of the Caledon - Modder River Government Water Scheme (CMRGWS).
foaf:name
Welbedacht Dam
dbp:name
Welbedacht Dam
geo:lat
-29.85984992980957
geo:long
26.8906192779541
dbo:location
dbr:South_Africa dbr:Free_State_(province)
dcterms:subject
dbc:Dams_in_South_Africa dbc:Dams_completed_in_1973
dbo:wikiPageID
25505523
dbo:wikiPageRevisionID
1083639077
dbo:wikiPageWikiLink
dbr:Bloemfontein dbc:Dams_completed_in_1973 dbr:Modder_River dbr:South_Africa dbr:List_of_reservoirs_and_dams_in_South_Africa dbr:Vanderkloof_Dam dbc:Dams_in_South_Africa dbr:Department_of_Water_Affairs_and_Forestry_(South_Africa) dbr:Free_State_(province) dbr:Dam dbr:Caledon_River dbr:Knellpoort_Dam dbr:Orange_River
dbo:wikiPageExternalLink
n9:index.htm
owl:sameAs
dbpedia-fa:سد_ولبدچت dbpedia-af:Welbedachtdam yago-res:Welbedacht_Dam n17:4xBzj freebase:m.09rsv95 wikidata:Q7980513
dbp:wikiPageUsesTemplate
dbt:Infobox_dam dbt:Coord dbt:Reflist
dbp:location
dbr:Free_State_(province) dbr:South_Africa
dbp:opening
1973
dbp:operator
Department of Water Affairs
georss:point
-29.85985 26.89062
dbo:abstract
Welbedacht Dam is a concrete-gravity type dam situated in South Africa, and was established in 1973.Bloemfontein is the sixth-largest city in South Africa, with a population around 300 000. It is situated in the Modder River catchment, which has insufficient water resources to meet the growing water requirements. The water supply to Bloemfontein is, therefore, augmented from the adjacent Caledon River by means of the Caledon - Modder River Government Water Scheme (CMRGWS). Bloemfontein was originally envisaged to receive Orange River water from Vanderkloof Dam and the outlet works for the transfer scheme still exist at the dam wall. For various reasons, however, constructing a smaller scheme on the Caledon River was implemented before completion of the Vanderkloof Dam. The Welbedacht Dam on the Caledon River was constructed as the main storage element of the CMRGWS and water is abstracted from this dam for transfer to Bloemfontein and various smaller users along the way. The Welbedacht Dam is a concrete barrage-type dam on the Caledon River, which was designed and constructed by the Department of Water Affairs. The dam has a catchment area of some 15 245 km² with a natural mean annual runoff (MAR) around 1210 million m³/a (1920 to 1987) and was completed in 1973. Its purpose was to supply water to the city of Bloemfontein via the 115-km-long Caledon-Bloemfontein pipeline, which has a capacity around 1.157 m³/s. Due to the high sediment concentration in the water, the transfer from Welbedacht Dam is first purified at the Welbedacht Purification Plant, which is located just downstream of the dam. The purification plant has a capacity of 1.68 m³/s. The hazard potential of the dam has been ranked high. Due to siltation, the storage capacity of the Welbedacht Dam reduced rapidly from the original 115 million m³ to roughly 16 million m³ during the 20 years since completion. This reduction in storage created problems in meeting the Bloemfontein demand at an acceptable level of reliability and as a result, the 50-m-high Knellpoort Dam was completed in 1988.
dbp:damCrosses
dbr:Caledon_River
dbp:damHeight
32 m
dbp:damLength
230 m
dbp:damType
Concrete gravity
dbp:nameOfficial
Welbedacht Dam
dbp:resCapacityTotal
1.033E7
dbp:resCatchment
15270.0
dbp:resName
Welbedacht Dam Reservoir
dbp:resSurface
1017.5
dbo:lake
dbr:Welbedacht_Dam__Lake__1
dbo:part
dbr:Welbedacht_Dam__PowerStation__1
dbo:river
dbr:Caledon_River
gold:hypernym
dbr:Dam
prov:wasDerivedFrom
wikipedia-en:Welbedacht_Dam?oldid=1083639077&ns=0
n24:length
0.23
dbo:wikiPageLength
3417
dbo:description
Concrete gravity
dbo:height
32.0
dbo:length
230.0
dbo:openingYear
1973-01-01
foaf:isPrimaryTopicOf
wikipedia-en:Welbedacht_Dam
geo:geometry
POINT(26.890619277954 -29.85984992981)