Engineer of the Electrical and Mechanical Project of the DSD, Mr LAWTsz-wai, David, says that the department had to consider quite a number of factors, such as the sewage system layout of the isolation facility, surrounding usable government land and daily maintenance of the pumping station.

Engineer of the Electrical and Mechanical Project of the DSD, Mr LAWTsz-wai, David, says that the department had to consider quite a number of factors, such as the sewage system layout of the isolation facility, surrounding usable government land and daily maintenance of the pumping station.

Engineer of the Electrical and Mechanical Project of the DSD, Mr LAWTsz-wai, David, says that the department had to consider quite a number of factors, such as the sewage system layout of the isolation facility, surrounding usable government land and daily maintenance of the pumping station.