Sierra Construction

Project details

ADB Assisted Secondary Towns & Rural Community Based Water Supply & Sanitation Project

Design, Construction & Completion of Head Works, Raw Water Transmission Main and Treatment Plant in Muttur (Plant & Design Build)

Design and Construction of;


•Water treatment plant – 8,500 cum/day with high lifting pumping station, Aerator, Per-oxidation tank, Flocculation, Sedimentation Tank, Rapid Sand Filtration, Chemical Dosing, Chlorination and Sludge Treatment,  Backwash recovery and holding tank, Clear Water Tank,  Pump house with pumps, Chemical Building with Chemical Tanks, Automation System (SCADA) and ancillary buildings.

•Intake and Pumping Station.

•Supply & Installation of Raw Water Transmission Main of 500mm dia. HDPE Pipes/ 450mm dia. DI Pipes having an approximate length of 10.20km including yard piping.

•Supply and Laying of Treated Water Pumping Main.

•Supply of materials consists of Pipes, Valves, Fittings, Pumps, Electromechanical Equipment and Treatment Plant Items.

  • Client: National Water Suppluy & Drainage Board
  • Location: Muttur, Sri Lanka