Building Surveyor of the Buildings Department (BD), Ms MOK Wan-chi, Gigi, says that the BD has been primarily using drones to inspect external walls of buildings of seven storeys or above in recent years to assess the conditions of external walls of buildings posing higher potential risks.

Building Surveyor of the Buildings Department (BD), Ms MOK Wan-chi, Gigi, says that the BD has been primarily using drones to inspect external walls of buildings of seven storeys or above in recent years to assess the conditions of external walls of buildings posing higher potential risks.

Building Surveyor of the Buildings Department (BD), Ms MOK Wan-chi, Gigi, says that the BD has been primarily using drones to inspect external walls of buildings of seven storeys or above in recent years to assess the conditions of external walls of buildings posing higher potential risks.