LONDON GATEWAY L o n d o n G a t e w a y D r e d g i n g a n d R o c k A r m o u r Phase One of the contract involved the recovery of 115,000 tonnes of temporary rock armour revetment in order to allow the removal of a (Phase two) temporary sand berm which was originally constructed as temporary works to facilitate the quay wall construction. Once recovered the rock was stockpiled for later re-use on the project’s permanent revetment. The

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