Water Supply, Drainage and Sewerage

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.