Posted on December 22, 2015
By Martin Delgado, The Mail on Sunday
More than £100 million is being spent on upgrading Portsmouth naval base because the harbour is too shallow to accommodate the two biggest warships ever built for the Royal Navy.
The complex and expensive operation is needed to deepen the harbour by 5ft so that the giant aircraft carriers HMS Queen Elizabeth and HMS Prince of Wales will be able to berth there.
Over the next seven months, about three million cubic metres of clay, sand and gravel will be excavated from the approach channel, the harbour itself and the berth – covering an area roughly equivalent to 200 football pitches.
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