As a preventive measure, the BD has engaged consultancy firms to inspect the drainage pipes at the external walls of some 20 000 private residential or composite buildings across the territory.

As a preventive measure, the BD has engaged consultancy firms to inspect the drainage pipes at the external walls of some 20 000 private residential or composite buildings across the territory.

As a preventive measure, the BD has engaged consultancy firms to inspect the drainage pipes at the external walls of some 20 000 private residential or composite buildings across the territory.