1915 - Reconstruction of No. 12 Tip - A design prepared and dated 23rd July 1915 by the Indented Bar & Concrete Engineering Company Limited for the ferro-concrete staging leading to the new tip of the East Ferry Road Engineering Company Limited. The company were based at Queen Anne's Gate, Westminster, London and were specialist structural engineers using their patented system of indented steel bars integrated within concrete known today as reinforced concrete.

The original of this drawing is held within the National Archives at Kew, London. [539] [National Archives Reference : RAIL 684/312] [20180527]