Tunnel Engineering undertakes detailed inspections and condition assessments of existing tunnels, shafts and other infrastructure projects.
Review of available drawings and asset information
Detailed visual inspection and defect mapping
Assessment of cast-iron, steel, concrete and masonry structures
Assessment of segmental tunnel linings, joints and bolts
Corrosion and material-deterioration assessment
Identification of cracking, leakage, displacement and joint defects
Review of previous repairs and maintenance interventions
Structural condition grading
Identification and prioritisation of significant defects
Recommendations for further investigation
Development of remedial and maintenance recommendations
Inspection and monitoring strategies