Drainage construction works

Tender description

Highways England is seeking to appoint contractors to deliver drainage surveys. Further details can be found in the information memorandum. Drainage surveys, in accordance with appropriate highways standards, including but not limited to: — validation survey, — priority asset survey, — filter drain condition survey by GPR, — all assets condition and connectivity survey, — pipework and chambers defect survey by CCTV, — pipework geometric survey by laser profiler, — pipework inclination survey by CCTV, — all asset defect survey and connectivity survey, — ditch defect and profile survey, — pipework indicative condition by acoustic survey, — chambers defect and geometric survey by laser scanner.