565232 - Post Tensioning Special Inspection A1/492.10 - River Coquet Bridge

Undertake PTSI Site Investigations to determine the current condition of the post-tensioning systems (VH), to include determination of: - The condition of the longitudinal ducts and tendons at critical sections and in areas of deterioration. - The condition of the end anchorages. - The condition of the grout (samples for cement, chloride ion and sulphate contents and the presence of voids at a representative number of locations). "