Foothill Bypass & Associated Slope StabilisationWorks, Tuen Mun

This project included site formation and slope stabilisation at sections of the Foothill Bypass in Tuen Mun Area 19 (Pak Kok).

Key Plan

Location of the site concerned

Environmental Concern

Part of the construction site was located in the hinterland of Butterfly Beach, one of the most popular bathing beaches in the Northwestern region. Discharge of effluent arising from the construction activities, to the Castle Peak Bay area and the Butterfly Beach were major concerns.

Discharge of muddy effluent into stormwater drain

Measures Adopted

Treatment - Additional settling tank were provided to treat the wheel-washing effluent arising from the site.

Administration - On-site supervision was strengthened to ensure that all the effluent generated was treated and the treatment facilities were maintained in good working condition.

Additional settling tank for treating wheel washing effluent

Observations & Achievements

The quality of the discharge from the wheel-washing facilities was improved following the addition of settling tank, providing adequate protection to the downstream beaches.