Sierra Construction

Project details

Construction Of Siyambalanduwa Water Supply Scheme

Water Supply & Sanitation Improvement Project

•Construction of 4000 m³ /day capacity water treatment plant which includes an Aerator, Flocculator, Sedimentation tank, (plate settlers) Rapid Sand filter, Granular Activated Carbon filter, clear water tank, 500 m³ capacity pump house (including generator room, fuel storage facilities), backwash recovery tank and sludge disposal system, Improvements for existing chemical house (Civil & M&E works).


•Raw water intake of 4,400m³/day capacity with Pontoon structure for abstraction from Muthukandiya Reservoir including all M&E works.

•Construction of 450 m³ capacity water tower at Muthukandiya.

•Construction of 225m³ capacity Ground Reservoir at Kiulayaya.

•Construction of caretaker quarters at site.

•Yard Piping and related MEP works.

  • Client: National Water Supplu & Drainage Board
  • Location: Siyambalanduwa, Sri Lanka