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South
African giant Shaft Sinkers achieves wonders
GANGTOK: In an engineering marvel at
ongoing Teesta-III hydro electric project, Shaft Sinking method has been
deployed to save as much as 15 months in the Project schedule.
The technique is being executed by Shaft
Sinkers of South Africa and this is their first such assignment in India.
Official sources say the results are “very
much encouraging”. Shaft Sinking method was adopted when all other traditional methods
are found either unsuitable or unfeasible.
This method usually applied in Mines. With
Teesta-III Shaft Sinkers diversified into hydro-electric schemes.
Teesta Urja is environmental friendly
and has got the most dependable hydrology as the major project component is
underground, having minimum impact on environment.
On winning the Sikkim contract, Shaft
Sinkers MD, Rob Schroder said the challenges involved in this project were immense:
“For one, the road is a single narrow track in the Himalayas and it will take
more than 14 hours to move equipment 15 kilometres to the site and the laydown
area is extremely narrow. It is similar to the conditions we worked in
previously at a job in Laos.
Shaft Sinkers has been sinking shafts
through every type of rock strata for more than 47 years and has achieved
worldwide acclaim helping cement South Africa’s reputation as one of the
world’s most advanced countries in shaft sinking and mining technology.Projects
include not only vertical shaft sinking but also a variety of excavations for
underground winders, pump chambers, rock silos, loading stations, settlers and
dams. The company is also involved in hydro-electric schemes, road and railway
tunnels and other major civil engineering projects.
Shaft Sinkers has been active
internationally in Lesotho, Zambia, the DRC, Namibia, Tanzania, Botswana,
Ghana, Sierra Leone, Mali, Zimbabwe Swaziland, Israel, Ireland, England,
France, Switzerland, Laos, Indonesia, Tasmania, Chile, Argentina, and Brazil.
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