Penarth Dock, South Wales - 150 years - the heritage and legacy  
Penarth Dock, South Wales - the heritage & legacy . . .

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Volume Three - The Pontoon Era - Construction of the pontoon . . .

An impressive image from the Newcastle Archives of construction in progress on the banks of the Tyne with the extent of the longitudinal joint chamber clear, as is the sectional framework of the flotation compartments, taken on a misty day in the Summer of 1909.

   

A close up view of the same image during construction of the intricate riveted internal framing and cross bracing to make up the 26 flotation compartments.

   

The lateral split runs vertically up the wall and right through the valve actuator house on the upper deck. The sectional floatation valves were operated from this house by a system of levers similar to that employed in actuating points from a railway signal box. The framed sections are at 10'- 0” centres with a keel block situated at 3'– 4” centres.

The “wall” referred too in the technical discussion documents is the superstructure housing the pumps and boiler plant.
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150 years of Penarth Dock History and Heritage

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