More than 128,000 tonnes of water has been pumped out from one of Portsmouth Naval Base’s dry…

via John Currin (JC ‘s Naval and Military) – Google+ Public Posts

More than 128,000 tonnes of water has been pumped out from one of Portsmouth Naval Base’s dry docks to make way for Type 23 frigate HMS St Albans.

The ship is undergoing essential repair works following her nine-month deployment – the process of which is made easier by removing all the water surrounding her in one of the 10 dry docks in Naval Base.

The water, which could fill around 1,068,333 bathtubs was slowly pumped out of the dock for over 11 hours while HMS St Albans was kept sitting central using laser alignment.

The ship is then kept upright by a series of large wooden beams that brace the ships side against the dock walls, with cranes levering them into position.



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