Queen Elizabeth II Dock
Construction of the dock began in 1949, adjacent to the entrance of the Manchester Ship Canal at Eastham Locks and opening directly onto the river. The dock was built to provide berthing facilities for large tankers that could not be accommodated on the existing canal due to their size. Simultaneously, Eastham Oil Terminal was built nearby and pipelines were laid to link the dock and storage facility to the Stanlow Oil Refinery near Ellesmere Port. The Queen Elizabeth II Dock became operational on 19 January 1954.  
The lock chamber measures 807 x 100 feet (246 x 30 metres) in size with a water depth of 40 feet (12 metres). Two steel gates are located at either end of the lock, with a further gate one third of the way along from the Mersey entrance. These gates open by retracting into the dock wall. The dock itself was constructed with four berths, each capable of handling tankers of up to 30,000 gross tons.
As part of the emergency procedures for the Manchester Ship Canal, an emergency siren located at the dock is tested every morning around 0845 and is audible in many parts of South Liverpool and Ellesmere Port.
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