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Coordinates: 36°19′10″S 148°28′13″E / 36.31944°S 148.47028°E / -36.31944; 148.47028
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{{Use Australian English|date=May 2013}}{{Use dmy dates|date=May 2013}}
{{Use Australian English|date=May 2013}}{{Use dmy dates|date=September 2022}}
{{Infobox dam
{{Infobox dam
| name = Island Bend Dam
| name = Island Bend Dam
| official_name =
| name_official =
| image =
| image =
| image_size = 250px
| image_size = 250px
| image_caption =
| image_caption =
| image_alt =
| image_alt =
| location_map = New South Wales
| location_map = New South Wales
| location_map_size =
| location_map_width =
| location_map_text = Location of the Island Bend Dam in<br />[[New South Wales]]
| location_map_caption = Location of the Island Bend Dam in<br />[[New South Wales]]
| coordinates = {{coord|36|19|10|S|148|28|13|E|type:landmark_region:AU-NSW|display=inline,title}}
| lat_d = 36
| lat_m = 19
| country = Australia
| location = [[Snowy Mountains]], [[New South Wales]]
| lat_s = 10
| lat_NS = S
| status = O
| long_d = 148
| construction_began =
| long_m = 28
| opening = 1965
| long_s = 13
| demolished =
| long_EW = E
| cost =
| owner = [[Snowy Hydro]]
| coordinates_type = type:landmark_region:AU-NSW
| dam_type = G
| coordinates_display= inline,title
| dam_height = {{Convert|49|m}}
| coordinates_ref =
| dam_height_thalweg =
| country = Australia
| dam_height_foundation=
| locale = [[Snowy Mountains]], [[New South Wales]]
| status = O
| dam_length = {{Convert|146|m}}
| dam_width_crest =
| construction_began =
| open = 1965
| dam_width_base =
| demolished =
| dam_volume = {{Convert|60400|m3}}
| dam_elevation_crest =
| cost =
| owner = [[Snowy Hydro]]
| dam_crosses = [[Snowy River]]
| type = G
| spillway_count = 1
| height = {{Convert|49|m}}
| spillway_type = [[Spillway#Types|Controlled]]
| spillway_capacity = {{convert|2832|m3/s}}
| height_thalweg =
| res_name = Island Bend Pondage
| height_foundation =
| length = {{Convert|146|m}}
| res_capacity_total = {{Convert|3084|ML}}
| res_capacity_active =
| crest_width =
| res_capacity_inactive=
| base_width =
| curve_radius =
| res_catchment = {{convert|221|km2}}
| volume = {{Convert|60400|m3}}
| res_surface = {{convert|327|ha}}
| crest_elevation =
| res_elevation =
| crosses = [[Snowy River]]
| res_max_depth =
| spillways = 1
| res_max_length =
| res_max_width =
| spillway_type = [[Spillway#Types|Controlled]]
| res_tidal_range =
| spillway_capacity = {{convert|2832|m3/s}}
| reservoir = Island Bend Pondage
| plant_operator =
| plant_commission =
| reservoir_capacity = {{Convert|3084|ML}}
| active_capacity =
| plant_decommission =
| plant_type =
| inactive_capacity =
| plant_turbines =
| reservoir_catchment= {{convert|221|km2}}
| plant_capacity =
| reservoir_surface = {{convert|327|ha}}
| plant_annual_gen =
| reservoir_elevation=
| website =
| reservoir_max_depth=
| reservoir_length =
| extra =
| reservoir_max_width=
| hydraulic_head =
| tidal_range =
| plant_owner =
| plant_operator =
| plant_commission =
| plant_licence_exp =
| plant_decommission =
| plant_type =
| turbines =
| installed_capacity =
| max_planned_cap =
| capacity_factor =
| average_annual_gen =
| net_generation =
| website =
| as_of = May 2013
| extra =
}}
}}
'''Island Bend Dam''' is a major ungated [[gravity dam|concrete gravity]] [[dam]] with a [[Spillway#Types|controlled spillway]] across the [[Snowy River]] in the [[Snowy Mountains]] region of [[New South Wales]], [[Australia]]. The dam's main purpose is for the generation of [[hydroelectricity|hydro-power]] and is one of the sixteen major dams that comprise the [[Snowy Mountains Scheme]], a vast hydroelectricity and [[irrigation]] complex constructed in south-east Australia between 1949 and 1974 and now run by [[Snowy Hydro]].
'''Island Bend Dam''' is a major gated [[gravity dam|concrete gravity]] [[dam]] with a [[Spillway#Types|controlled spillway]] across the [[Snowy River]] in the [[Snowy Mountains]] region of [[New South Wales]], [[Australia]]. The dam's main purpose is for the diversion of water for generation of [[hydroelectricity|hydro-power]] and is one of the sixteen major dams that comprise the [[Snowy Mountains Scheme]], a vast hydroelectricity and [[irrigation]] complex constructed in south-east Australia between 1949 and 1974 and now run by [[Snowy Hydro]].


The impounded [[reservoir (water)|reservoir]] is called the '''Island Bend Pondage'''.
The impounded [[reservoir]] is called the '''Island Bend Pondage'''.


==Location and features==
==Location and features==
Completed in 1965, Island Bend Dam is a major dam, located within the [[Snowy River Shire]], adjacent to the locality of Island Bend. The dam was constructed by Utah Construction and Engineering Pty Limited based on engineering plans developed under contract from the [[Snowy Mountains Hydroelectric Authority]].<ref name=ancold />
Completed in 1965, Island Bend Dam is a major dam, located within the [[Snowy Monaro Regional Council]], adjacent to the locality of Island Bend. The dam was constructed by Utah Construction and Engineering Pty Limited based on engineering plans developed under contract from the [[Snowy Mountains Hydroelectric Authority]].<ref name=ancold />


The dam wall comprising {{Convert|60400|m3}} of concrete is {{Convert|49|m}} high and {{Convert|146|m}} long. At 100% capacity the dam wall holds back {{Convert|3084|ML}} of water. The surface area of Island Bend Pondage is {{convert|327|ha}} and the catchment area is {{convert|221|km2}}. The controlled spillway is capable of discharging {{convert|2832|m3/s}}.<ref name=ancold>{{cite web|url=http://www.ancold.org.au/wp-content/uploads/2012/10/Dams-Australia-2010-v1-for-website.xls|format=Excel (requires download)|title=Register of Large Dams in Australia|publisher=The Australian National Committee on Large Dams Incorporated|year=2010|accessdate=12 May 2013|work=Dams information}}</ref><ref>{{cite web|title=Dams|url=http://www.snowyhydro.com.au/energy/hydro/dams/|work=Snowy Mountains Scheme|publisher=[[Snowy Hydro]]|accessdate=12 May 2013}}</ref>
The dam wall comprising {{Convert|60400|m3}} of concrete is {{Convert|49|m}} high and {{Convert|146|m}} long. At 100% capacity the dam wall holds back {{Convert|3084|ML}} of water. The surface area of Island Bend Pondage is {{convert|327|ha}} and the catchment area is {{convert|221|km2}}. The controlled spillway is capable of discharging {{convert|2832|m3/s}}.<ref name=ancold>{{cite web|url=http://www.ancold.org.au/wp-content/uploads/2012/10/Dams-Australia-2010-v1-for-website.xls|format=Excel (requires download)|title=Register of Large Dams in Australia|publisher=The Australian National Committee on Large Dams Incorporated|year=2010|access-date=12 May 2013|work=Dams information|archive-date=12 December 2013|archive-url=https://web.archive.org/web/20131212120804/http://www.ancold.org.au/wp-content/uploads/2012/10/Dams-Australia-2010-v1-for-website.xls|url-status=dead}}</ref><ref>{{cite web|title=Dams |url=http://www.snowyhydro.com.au/energy/hydro/dams/ |work=Snowy Mountains Scheme |publisher=[[Snowy Hydro]] |access-date=12 May 2013 |url-status=dead |archive-url=https://web.archive.org/web/20130503080615/http://www.snowyhydro.com.au/energy/hydro/dams/ |archive-date= 3 May 2013 }}</ref>

The dam receives water from [[Lake Jindabyne]] and [[Lake eucumbene|Lake Eucumbene]] through the Snowy-Island Bend and Snowy-Eucumbene tunnels respectively. The combined water is then sent West through the Snowy-Geehi trans-mountain tunnel to [[Geehi Dam]] for generation in the [[Murray Hydroelectric Power Station|Murray Power Stations]]. Water can flow the reverse direction, to Eucumbene and Jindabyne from Geehi for storage during periods of high river flow, or otherwise.<ref>{{Cite book |title=Engineering Features of the Snowy Mountains Scheme |publisher=Snowy Mountains Hydro-Electric Authority |year=1972 |isbn=0642955816 |edition=1st |location=Cooma}}</ref>

==Climate==

{{Weather box
|location = Island Bend, NSW (Island Bend Dam); 1,275 m AMSL; 36° 19′ 59.88″ S
|metric first = Yes
|single line = Yes
|Jan high C = 21.9
|Feb high C = 22.3
|Mar high C = 19.9
|Apr high C = 15.2
|May high C = 11.4
|Jun high C = 8.9
|Jul high C = 5.8
|Aug high C = 7.3
|Sep high C = 10.8
|Oct high C = 15.4
|Nov high C = 17.0
|Dec high C = 20.1
|year high C =
|Jan low C = 6.2
|Feb low C = 6.5
|Mar low C = 4.4
|Apr low C = 1.4
|May low C = -0.8
|Jun low C = -2.5
|Jul low C = -3.1
|Aug low C = -2.2
|Sep low C = -0.2
|Oct low C = 2.9
|Nov low C = 3.3
|Dec low C = 6.2
|year low C =
|precipitation colour = green
|Jan precipitation mm = 61.7
|Feb precipitation mm = 53.5
|Mar precipitation mm = 81.2
|Apr precipitation mm = 87.4
|May precipitation mm = 105.5
|Jun precipitation mm = 140.9
|Jul precipitation mm = 138.2
|Aug precipitation mm = 133.7
|Sep precipitation mm = 134.4
|Oct precipitation mm = 148.8
|Nov precipitation mm = 131.8
|Dec precipitation mm = 113.5
|year precipitation mm =
|source 1 = [http://www.weatherzone.com.au/climate/station.jsp?lt=site&lc=71031 Australian Bureau of Meteorology; Island Bend Dam]
}}


==See also==
==See also==
Line 92: Line 125:


==External links==
==External links==
* {{cite web|url=http://www.water.nsw.gov.au/ArticleDocuments/34/water_environment_snowy_report_snowy_flow_expert_panel_report.pdf.aspx|month=May|year=2009|publisher=NSW Department of Water and Energy|isbn=978-0-7347-5656-5|title=Expert panel environmental flow assessment of various rivers affected by the Snowy Mountains Scheme|author1=Bevitt, R.|author2=Erskine, W.|author3=Gillespie, G.|author4=Harriss, J.|author5=Lake, P.|author6=Miners, B.|author7=Varley, I.|format=PDF}}
* {{cite book|url=http://www.water.nsw.gov.au/ArticleDocuments/34/water_environment_snowy_report_snowy_flow_expert_panel_report.pdf.aspx|date=May 2009|publisher=NSW Department of Water and Energy|isbn=978-0-7347-5656-5|title=Expert panel environmental flow assessment of various rivers affected by the Snowy Mountains Scheme|author1=Bevitt, R.|author2=Erskine, W.|author3=Gillespie, G.|author4=Harriss, J.|author5=Lake, P.|author6=Miners, B.|author7=Varley, I.}}



{{Snowy Mountains Scheme |state=autocollapse}}
{{Snowy Mountains Scheme |state=autocollapse}}
Line 101: Line 133:


[[Category:Snowy Mountains Scheme]]
[[Category:Snowy Mountains Scheme]]
[[Category:Reservoirs and dams in Australia]]
[[Category:Gravity dams]]
[[Category:Gravity dams]]
[[Category:Dams in New South Wales]]
[[Category:Dams in New South Wales]]
[[Category:Dams completed in 1965]]
[[Category:Dams completed in 1965]]
[[Category:Water management in New South Wales]]
[[Category:Kosciuszko National Park]]
[[Category:Kosciuszko National Park]]
[[Category:Murray-Darling basin]]
[[Category:Murray-Darling basin]]

Latest revision as of 18:46, 12 November 2023

Island Bend Dam
Island Bend Dam is located in New South Wales
Island Bend Dam
Location of the Island Bend Dam in
New South Wales
LandAustralien
StandortSnowy Mountains, New South Wales
Coordinates36°19′10″S 148°28′13″E / 36.31944°S 148.47028°E / -36.31944; 148.47028
StatusOperational
Opening date1965
Owner(s)Snowy Hydro
Dam and spillways
Type of damGravity dam
ImpoundsSnowy River
Height49 metres (161 ft)
Length146 metres (479 ft)
Dam volume60,400 cubic metres (2,130,000 cu ft)
Spillways1
Spillway typeControlled
Spillway capacity2,832 cubic metres per second (100,000 cu ft/s)
Reservoir
CreatesIsland Bend Pondage
Total capacity3,084 megalitres (108.9×10^6 cu ft)
Catchment area221 square kilometres (85 sq mi)
Surface area327 hectares (810 acres)

Island Bend Dam is a major gated concrete gravity dam with a controlled spillway across the Snowy River in the Snowy Mountains region of New South Wales, Australia. The dam's main purpose is for the diversion of water for generation of hydro-power and is one of the sixteen major dams that comprise the Snowy Mountains Scheme, a vast hydroelectricity and irrigation complex constructed in south-east Australia between 1949 and 1974 and now run by Snowy Hydro.

The impounded reservoir is called the Island Bend Pondage.

Location and features

[edit]

Completed in 1965, Island Bend Dam is a major dam, located within the Snowy Monaro Regional Council, adjacent to the locality of Island Bend. The dam was constructed by Utah Construction and Engineering Pty Limited based on engineering plans developed under contract from the Snowy Mountains Hydroelectric Authority.[1]

The dam wall comprising 60,400 cubic metres (2,130,000 cu ft) of concrete is 49 metres (161 ft) high and 146 metres (479 ft) long. At 100% capacity the dam wall holds back 3,084 megalitres (108.9×10^6 cu ft) of water. The surface area of Island Bend Pondage is 327 hectares (810 acres) and the catchment area is 221 square kilometres (85 sq mi). The controlled spillway is capable of discharging 2,832 cubic metres per second (100,000 cu ft/s).[1][2]

The dam receives water from Lake Jindabyne and Lake Eucumbene through the Snowy-Island Bend and Snowy-Eucumbene tunnels respectively. The combined water is then sent West through the Snowy-Geehi trans-mountain tunnel to Geehi Dam for generation in the Murray Power Stations. Water can flow the reverse direction, to Eucumbene and Jindabyne from Geehi for storage during periods of high river flow, or otherwise.[3]

Climate

[edit]
Climate data for Island Bend, NSW (Island Bend Dam); 1,275 m AMSL; 36° 19′ 59.88″ S
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Mean daily maximum °C (°F) 21.9
(71.4) 		22.3
(72.1) 		19.9
(67.8) 		15.2
(59.4) 		11.4
(52.5) 		8.9
(48.0) 		5.8
(42.4) 		7.3
(45.1) 		10.8
(51.4) 		15.4
(59.7) 		17.0
(62.6) 		20.1
(68.2) 		14.7
(58.4)
Mean daily minimum °C (°F) 6.2
(43.2) 		6.5
(43.7) 		4.4
(39.9) 		1.4
(34.5) 		−0.8
(30.6) 		−2.5
(27.5) 		−3.1
(26.4) 		−2.2
(28.0) 		−0.2
(31.6) 		2.9
(37.2) 		3.3
(37.9) 		6.2
(43.2) 		1.8
(35.3)
Average precipitation mm (inches) 61.7
(2.43) 		53.5
(2.11) 		81.2
(3.20) 		87.4
(3.44) 		105.5
(4.15) 		140.9
(5.55) 		138.2
(5.44) 		133.7
(5.26) 		134.4
(5.29) 		148.8
(5.86) 		131.8
(5.19) 		113.5
(4.47) 		1,330.6
(52.39)
Source: Australian Bureau of Meteorology; Island Bend Dam

See also

[edit]

References

[edit]
  1. ^ a b "Register of Large Dams in Australia". Dams information. The Australian National Committee on Large Dams Incorporated. 2010. Archived from the original (Excel (requires download)) on 12 December 2013. Retrieved 12 May 2013.
  2. ^ "Dams". Snowy Mountains Scheme. Snowy Hydro. Archived from the original on 3 May 2013. Retrieved 12 May 2013.
  3. ^ Engineering Features of the Snowy Mountains Scheme (1st ed.). Cooma: Snowy Mountains Hydro-Electric Authority. 1972. ISBN 0642955816.
[edit]
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