Isambard Kingdom Brunel to produce a solution. Brunel was working on the "Great Eastern" amongst other projects, but accepted the task in February 1855 of designing and building the War Office requirement of a temporary, pre-fabricated hospital that could be shipped to Crimea and erected there. In 5 months the team he had assembled designed, built, and shipped pre-fabricated wood and canvas buildings, providing them complete with advice on transportation and positioning of the facilities. Brunel had been working with Gloucester Docks-based William Eassie on the launching stage for the "Great Eastern"; Eassie had designed and built wooden prefabricated huts used in both
Marc Isambard Brunel others. Each frame contained three compartments, one above the other, each big enough for one man to excavate the tunnel face, and the whole frame accommodated 36 miners. When enough material had been removed from the tunnel face, the frame was moved forward by large jacks. As the shield moved forward, bricklayers followed, lining the walls. The tunnel required over 7,500,000 bricks. Brunel was assisted in his work by his son, Isambard Kingdom Brunel, now 18 years old. Brunel had planned the tunnel to pass no more than fourteen feet below the riverbed at its lowest point. This caused problems