The Water Supply, Drainage and Sewerage section of Sierra has executed Large-scale water supply and sewerage projects including water treatment plants, transmission mains and distribution mains in Sri Lanka and Overseas.
Main Categories of Services
Structural design, construction & commissioning of water and sewerage treatment plants.
Laying of HDPE, DI and uPVC pipes in water and sewerage transmission and distribution networks.
Supply and installation of M & E equipment for water supply and sewerage projects.
RECENTLY COMPLETED PROJECTS
Colombo C1 Water Supply Project
Muttur Water Supply Project
Thirukkovil Water Supply Project
Tangalle Water Supply Project
Hambantota Water Supply Project
Colombo C2 Water Supply Project
Kalu Ganga Water Supply Project
Muttur Water Treatment Plant Project
Construction of Water Storage Structures in Mannar