The Works to be executed under this Contract comprise the construction of the following major items:
(a) Construction of a sewage treatment works at Yung Shue Wan on Lamma Island with a capacity of 2850m³/day (ADWF) to provide secondary treatment with degritting, screening, grease removal and nutrient removal including civil, E&M works and all other ancillary building services, architectural, landscape and establishment works.
(b) Construction of a submarine outfall of approximately 500m long at Yung Shue Wan of which a minimum 400m of submarine outfall from the coastline shall be constructed by Horizontal Directional Drilling;
(c) Construction of a sewage treatment works at Sok Kwu Wan on Lamma Island with a capacity of 1,430m³/ day (ADWF) to provide secondary treatment with degritting, screening, grease removal and nutrient removal including civil, E&M works and all other ancillary building services, architectural, landscape and establish works and approximately 600m rising main from Sok Kwu Wan Sewage Treatment Works to the outfall chamber;
(d) Construction of a submarine outfall of approximately 750m long at Sok Kwu Wan of which a minimum 650m of submarine outfall from the coastline shall be constructed by Horizontal Directional Drilling;
(e) Construction of two pumping stations at Sok Kwu Wan and approximately 500m rising main from Pumping Station to Sok Kwu Wan Sewage Treatment Works.