Bideford Long Bridge
Fosroc's specialist repair solutions used on a Grade 1 historic structure at the very heart of North Devon.
Bideford Long Bridge is a Grade 1 historic structure sat at the very heart of North Devon. The bridge has been constructed and modified many times over the centuries, most recently parts were re-constructed after serious flood damage in 1968.
Reinforced concrete sections were suffering from the effects of chloride ingress, leading to corrosion of the reinforcement, in turn causing spalling and weakening of the structure.
Devon County Council demanded a repair solution that would meet the technical needs of the project without significantly altering the appearance of the historic structure. The bridge, being central to the town, had to remain in service as much as possible.
Due to the high chlorides and active corrosion, the designers selected to use an Impressed Current Cathodic Control system. This meant that compatibility and conductivity of repair materials were important selection criteria when looking to achieve a 25 year life.
Fosroc’s repair materials were selected because of their exceptional industry track record and their compatibility with the selected impressed current cathodic protection system.
The contractor demanded products that were easy to work with in enclosed scaffolding and for the dry spray, the very low rebound meant improved productivity, reduced wastage and no contamination of the river. The listed status of the bridge meant that the visual aspects of the repairs had high importance; Renderoc products’ quality finish meant that the contractor could achieve the desired effect.
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