Tunnel inspection in Bangladesh is becoming increasingly significant as the country develops underground infrastructure, such as the Bangabandhu Sheikh Mujibur Rahman Tunnel under the Karnaphuli River. Regular inspections ensure tunnel safety, durability, and compliance with engineering standards.

The process involves structural evaluations, ventilation assessments, and fire safety checks. Engineers inspect for cracks, water leaks, material deterioration, and lighting efficiency. Advanced methods, such as thermal imaging, laser scanning, and ultrasonic testing, are used to detect hidden defects. Proper ventilation and drainage systems are also assessed to prevent hazards like toxic gas buildup and water seepage.

Tunnels in Bangladesh must withstand environmental challenges such as heavy rainfall, soil erosion, and potential seismic activity. Routine inspections help prevent infrastructure failures and ensure smooth transportation flow.

The Karnaphuli Tunnel, Bangladesh’s first underwater tunnel, undergoes meticulous assessments to maintain its operational efficiency. With the expansion of urbanization, more tunnels may be developed, increasing the importance of systematic inspection and maintenance. Implementing global best practices in tunnel safety management will enhance Bangladesh’s infrastructure development and long-term sustainability.