1000x1607 Tunnel Picture"> -

Identify damp patches or active water ingress on the lining.

[e.g., High-resolution DSLR or Panoramic Laser Imaging ] 1000x1607 Tunnel Picture">

If the image is part of a larger survey, mention how it was processed. For instance, point cloud registration or seam carving methods can be used to enhance visual quality for better defect identification. 5. Conclusion & Recommendations Identify damp patches or active water ingress on the lining

[e.g., Normal / Monitoring Required / Urgent Repair] a tunnel cross-section

Provide a brief description of what the 1000x1607 image captures. Since the aspect ratio is vertical, it likely focuses on a specific section of the tunnel wall, a tunnel cross-section , or the portal entrance. Viewpoint: [e.g., Facing North at Chainage 1+250]