The flexible barriers were proposed as a landslide prevention and mitigation works. We were appointed by LPM’s contractors to design the flexible barriers near Ma On Shan treatment works, Tseung Kwan O – Lam Tin Tunnel, Fan Kam and at Sok Kwu Wan, etc… The design includes the assessment of the existing ground investigation, design soil parameters, groundwater conditions and the foundation design of the flexible barriers based on the proposed flexible barrier model with reference to the minimum barrier height and minimum energy absorption capacity.