|Carries the A358. Main beams in weathering steel. ALan Hayward CHIEF ENGINEER FAIRFIELD MABEY March 1979 � February 1983 (4 years) chepstow In charge of design, temporary works, drawing office and fabrication works inspection and testing departments.Instigator of design and construct bridges as alternative more economic bridges than client original designs. Included M25 brook street 10 span viaduct, Obridge Viaduct taunton, Berwick on Tweed Bridge and Grimsby Gilbey Road Viaduct. These projects helped stimulate a resurgance of steel for bridges in the UK after most design engineers had designed in concrete after about 1960. The steel recovery was assisted by the automation of fabrication techniques and better erection procedures.