A46 Newark to Widmerpool Improvements, Farndon Underpass
CONTRACTOR: Balfour Beatty Civil Engineering
CLIENT: Highway England (Highways Agency)
CONSULTANT ENGINEER: Aecom (URS/Scott Wilson)
The A46 Newark to Widmerpool Improvement scheme is a major Highway’s Agency project in Nottinghamshire, the scheme provides a 17.5 mile (28km) section of dual carriageway replacing a substandard section of single carriageway trunk road.
At the northern end of the road, an underpass provides a pedestrian link between the village of Farndon and Newark. To allow the maintenance of maximum traffic flow during construction, ABM’s sectional Portal Frame System was installed in three phases.
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Design, manufacture and installation of the precast Portal Frame System to provide the 30.1m long, 5.5m span, 2.9m high underpass, wing walls and parapet beams using ABM’s Portal Frame system. The structure was supplied in 12, 2.5m long three part sections and installed in three phases to maintain traffic flows.