Rhodesia's Dams
Booklet on Rhodesia's Dams.
FOREWORD
Although Rhodesia's mean rainfall is above world average, its distribution is so irregular and variable during the rainy season (October to April) that uncontrolled river flow alone would not ensure a constant supply of water for domestic, industrial and irrigation purposes. Dams are essential for permanent water supplies and are built to store water and to provide a balanced supply for all seasons and conditions.
Rhodesia is well endowed with suitable sites having favourable storage basins and with ample supplies of construction materials available.
Matopos, the first of our large dams, was built in 1901, and from that date construction has kept pace with the demand generated by economic growth.
Kariba, the country's largest and most spectacular dam, was completed in I960, and harnesses the waters of the Zambezi River to generate power hydro-electrically. The Zambezi River marks the northern boundary of Rhodesia and represents a vast potential of water but its distance from the main centres of development make it uneconomic for further exploitation at the present time.
Up to the commencement of 1973, Rhodesia had 62 dams exceeding 15 metres in height and more than 7 000 smaller dams built mostly within the last 25 years. Advance planning has been made for further installations to ensure adequate supplies for the future. Rhodesia is proud of its dam construction achievements, some of which are illustrated in this publication, and gratefully acknowledges the assistance received from engineers of many countries who have made their contributions, both directly and through the International Commission on Large Dams, to the country's progress in engineering
Chairman, Rhodesian National Committee,
INTERNATIONAL COMMISSION ON LARGE DAMS
MAZOE DAM (1919)
Constructed to provide irrigation water to "The Chartered Company." Raised and strengthened by the "Coyne" process of post stressing in 1961.
Owner: Anglo American Corporation.
Original Engineering: Douglas Fox and partners.
Raising by The Cementation Co., (Rhod) Pvt. Ltd and Coyne et Bellier.
UMSHANDIGE DAM (1938)
Owner: Rhodesia Government.
Engineering: Ministry of Water Development.
NCEMA DAM (1943)
Owner: City of Bulawayo.
Engineering: Watermeyer, Legge, Presold and Uhlmann (formerly Kanthack and Partners), and City Engineer, Bulawayo.
NCEMA DAM (1943)
Owner: City of Bulawayo.
Engineering: Watermeyer, Legge, Presold and Ulilmann (formerly Kanthack and Partners), and City Engineer, Bulawayo.
NGESI DAM (1945)
Owner: Rhodesia Government.
Engineering: Ministry of Water Development.
HUNYANI POORT DAM (1952)
For the water supply of Salisbury City and for irrigation.
Owner: Rhodesia Government.
Engineering: Ministry of Water Development.
HUNYANI POOR! DAM (1952)
Side channel spillway in operation.
SEBAKWE DAM (1957)
For Water supply of Que Que and for irrigation.
Owner: Rhodesia Government.
Engineering: Ministry of Water Development.
SEBAKWE DAM (1957)
For water supply of Que Que and for irrigation.
Owner: Rhodesia Government.
Engineering: Ministry of Water Development.
UMZINGWANE DAM (1958)
Owner: City of Bulawayo.
Engineering: Watermeyer, Legge, Presold and
Uhlmann (formerly Kanthaek and Partners).
Spillway Guide Walls.
GWENORA DAM (1958)
For water supply to City of Gwelo.
Owner: Rhodesia Government.
Engineering: Ministry of Water Development.
KARIBA (1959)
Owner: Central African Power Corporation.
Engineering: Gibb, Coyne and Sogei (Kariba) Pvt. Ltd.
KARIBA (1959)
Owner: Central African Power Corporation.
Engineering: Gibb, Coyne and Sogei (Kariba) Pvt. Ltd.
KYLE (I960)
For irrigation of the Lowveld Sugar Estates.
Owner: Sabi Limpopo Authority.
Engineering: Coyne et Bellier and Ministry of Water Development.
KYLE (1960)
For irrigation of the Lowveld Sugar Estates.
Owner: Sabi Limpopo Authority.
Engineering: Coyne et Bellier and Ministry of Water Development.
POOLE DAM (1961)
Owner: Rhodesia Government.
Engineering: Ministry of Water Development.
ESQUILINGWE WEIR
Raised three times.
Final raising (1961)
Owner: Sabi Limpopo Authority.
Engineering: Ministry of Water Development.
BANGALA (1963)
For Irrigation of Lowveld Sugar Estates.
Cylindrical Arch Length/Height ratio = 8,0.
Owner: The Sabi IJmpopo Authority.
Engineering: Coyne et Bellier and Ministry of Water Development.
BANGALA (1963)
For Irrigation of Lowveld Sugar Estates.
Cylindrical Arch Length/Height ratio = 8,0.
Owner: The Sabi Limpopo Authority.
Engineering: Coyne et Bellier and Ministry of Water Development.
To view a photo of the Rhodesian Air Force aircraft over this dam please visit the link below:-
http://www.ourstory.com/thread.html?t=329132#384131
BANGALA (1963)
Flood 18 months after start of construction.
ODZANI DAM (1966)
For water supply to City of Umtali.
Owner: Rhodesia Government.
Engineering: Ministry of Water Development.
TULI MAKWE (1966)
For Irrigation.
Owner: Rhodesia Government.
Engineering: Ministry of Water Development.
TULI MAKWE (1966)
Under construction
MANJIRENJI DAM (1967)
For irrigation of Lowveld Estates.
Owner: Sabi Limpopo Authority.
Engineering: Ministry of Water Development.
MANJIRENJI DAM (1967)
Tunnel outlets under construction.
MANJIRENJI DAM (1966)
Spillway under construction.
MANJIRENJI DAM
Spillway Float-operated automatic gates.
SILALABUHWA DAM (1967)
Owner: Rhodesia Government.
Engineering: Ministry of Water Development.
INYANKUNI DAM (1972)
Outlet Tower.
Owner: Bulawayo City Council.
Engineering: Waterineyer, Legge, Presold and Uhlmann (formerly Kenthack and Parners).
LESAPI DAM (1972)
Owner: Rhodesia Government.
Engineering: Ministry of Water Development.
LESAPI DAM (1972)
Spillway radial gates
CLAW DAM (1973)
Designed for raising at a later stage.
Designed for raising at a later stage.
For water supply to town of Gatooma.
Owner: Rhodesia Government.
Engineering: Ministry of Water Development.
Engineering: Ministry of Water Development.
UPPER NCEMA DAM (1973)
Under construction.
Owner: Bulawayo City Council.
Engineering: Watermeyer, Legge, Presold and Uhlmann (formerly Kanthack and Parners).
Sadly the working documents were not of a great calibre and as such the drawings that follow are not great, My apologies for this.
Sadly the working documents were not of a great calibre and as such the drawings that follow are not great, My apologies for this.
Prepared for the XI Congress of the International Commission on Large Dams to be held in Madrid, from 11-15 June,
1973.
Prepared for the Ministry of Water Development by the Ministry of Information, Immigration and Tourism,
P.O. Box 8232, Causeway, Salisbury, Rhodesia, and printed by the Government Printer.
APRIL, 1973.
TRIANGLE CANAL SYPHON
BACK COVER!
MANJIRENJI CANAL
End of Booklet
Recompiled, by Eddy Norris, from scanned copies of the booklet made available by Diarmid Smith. Thanks Diarmid
The recompilation was done for no or intended financial gain but rather as a ORAFs initiative to record the memories of Rhodesia.
Thanks to:-
My son, Paul Norris, for the ISP sponsorship.
Paul Mroz for the image hosting sponsorship.
Robb Ellis for his assistance.
Should you wish to contact Eddy Norris please mail me on orafs11@gmail.com
posted by Rhodesia Remembered @ 11:14
7 Comments
7 Comments:
Interresting articles
Why do former Rhodesians always assume they did the africans more good than harm. If think it should always be phrsaed like with an I think or I believe because you can never know for sure if one's acts of kindness are appreciated or received in gratitude. This is clearly shown by the fact that the native aficans felt oppressed and thats why they ended up fighting. And the white rhodesians called them REBELS. In simple terms let me say that one can never speak for or clearly express how one feels without consulting them for they are the ones who know how they truely feel.
The graph showing the exponential growth of dam building from the 50-70's is quite remarkable.
My father played an instrumental part in spear heading the building of Sebakwe Dam outside Que Que which came to fruition in 1957 in anticipation of all the secondary industries connected with RISCO and the adjacent limeworks.
These struggles are outlined in my blog stories, Challenge, Change, and Perseverance http://www.oncecalledhome.com/
I post weekly in conjunction with a novel I am writing about those times. Diana Polisensky
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