Tender: Structural Monitoring for M6 Lune Gorge – Six Bridges and Temporary Piling/Retaining Walls

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Monitoring contractor needed to provide structural monitoring across the M6 Lune Gorge Structures scheme covering six bridges and central reserve temporary piling and embedded retaining wall works. The package is split into three parts: monitoring existing bridge substructures during demolition and replacement deck installation; monitoring new construction for settlement, tilt and vibration through construction and into post-construction; and monitoring central reserve temporary embedded retaining walls associated with piling and retaining wall construction. Tenderers must propose efficient manual and/or automated monitoring methodologies that meet the stated frequencies, data capture and reporting requirements aligned with trigger and mitigation actions; considerations around access and sequencing will be discussed. The scope includes control points, baselining, routine monitoring (ranging from daily to weekly) and maintenance.