NMWTRA_Drainage Surveys

Descriptions

Drainage surveys, in accordance with appropriate highway standards, including but not limited to;• All assets condition and connectivity survey• Validation survey• Priority Asset Survey• Filter drain condition survey by GPR• Pipework and chambers defect survey by CCTV• Pipework geometric survey by laser profiler• Pipework inclination survey by CCTV• Ditch defect and profile survey• Pipework indicative condition by acoustic survey• Chambers defect and geometric survey by laser scanner• All asset defect survey and connectivity survey