Engineer of the Hong Kong and Islands Division of the DSD, Mr LAU Yiu-man, says that one of the department’s challenges is that it has only two to three months to complete desilting and maintenance works of the drainage tunnels and underground stormwater tanks.

Engineer of the Hong Kong and Islands Division of the DSD, Mr LAU Yiu-man, says that one of the department’s challenges is that it has only two to three months to complete desilting and maintenance works of the drainage tunnels and underground stormwater tanks.

Engineer of the Hong Kong and Islands Division of the DSD, Mr LAU Yiu-man, says that one of the department’s challenges is that it has only two to three months to complete desilting and maintenance works of the drainage tunnels and underground stormwater tanks.