 In 1950, Atkins opted to discontinue contracting work to concentrate on design engineering and project management work.During the 1950s, the firm became involved in the engineering of the Berkeley Nuclear Power Station, which became the first exclusively civilian nuclear power station in the UK upon its completion; the company continued to be active in the nuclear sector both domestically and abroad.In the 1960s, Atkins provided tunneling designed for the fledgling Toronto subway network.