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Achievements in environmental pollution control on construction activities

Foundation works at a construction site in Ma On Shan

The project involved foundation works at a construction site in Ma On Shan.


Environmental Concern

The water quality of Tolo Harbour would be seriously affected should muddy water from the construction site be freely discharged without treatment. Moreover, high level of suspended solids in the water body would also affect aquatic lives.

Location plan of the construction site
Location plan of the construction site

A construction site in Ma On Shan with discharge of muddy effluent to Tolo Harbour found on 26 June 2000
A construction site in Ma On Shan with discharge of muddy effluent to Tolo Harbour found on 26 June 2000 

Measures Adopted

Treatment - Wastewater generated from the construction site was pumped to a sedimentation tank for treatment before discharging to the communal storm drain.

Training - Internal training was provided to the workers to strengthen their awareness to avoid polluting the environment.

 

Sedimentation tank installed for treatment of wastewater
Sedimentation tank installed for treatment of wastewater
No muddy effluent was further found discharged from the site to Tolo Harbour
No muddy effluent was further found discharged from the site to Tolo Harbour

Observations & Achievements

Through proper installation & operation of the wastewater treatment system, the suspended solids in the wastewater was effectively reduced. There was also improvement in the site management as well as the employees' awareness towards environmental protection.

 

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Last revision date: 24 April 2003