Rendel was appointed as engineer to the
London Dock Company in 1856, and was responsible for the enlargement of the
Shadwell Basin and the
construction of the Royal Albert Dock including the Connaught tunnel to divert the railway. He was also responsible for the Albert and Edinburgh Docks in
Leith, and the Workington Dock and Harbour in Cumbria. In 1857-1858 he visited
India, and was consulting engineer to the
India Office, the
East India Railway and other Indian railways, and was a member of the commission to determine narrow gauge for Indian Railways, in 1870. He designed the
Lansdowne Bridge Rohri at
Sukkur over the
Indus River, which was made and constructed in London then shipped out and when it was completed in 1889 was the largest cantilever bridge in the world. The climax of his bridge-building career was considered to be the
Howrah or Jubilee Bridge allowing trains to cross the Hooghly River near Calcutta; this was opened by the Viceroy on 21 February 1887. He was appointed a Knight Commander of the
Order of the Indian Empire (KCIE) in 1897. He was the designer of
Hardinge Bridge in Bangladesh. ==Personal life==