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Emergency repair programme to extend life of African power station

MAJOR CRACKS in the Owen Falls power station at the source of the Victoria Nile, are scrutinised in the latest issue of the ICE Water, Maritime and Energy Journal.

Cracks up to 25mm wide have gradually appeared along the length of the machine room floor at the 45 year old African Hydro plant.

Though the cracks first started to appear in the mid-60s, it was not until 1990 that an alkali-silica reaction between the local alkali-rich cement and quartz-containing aggregates was diagnosed.

The report detailed an emergency repair and a long term monitoring programme. It is expected that the station - which supplies most of Uganda's electricity from its ten 18MW turbines - can continue to operate until 2030.

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