Completed Projects

Water supply



  Project Name        Design and Construction of a Raw Water Reservoir Across DeduruOya for Kurunegala Domestic Water Supply
  Location within Country DeduruOya near Kurunegala
  Start Date (Month/Year)  January 2013
  Completed Date (Month/Year) June 2014
  Client  National Water Supply & Drainage Board  

Description of Project :


A 5.0m high gravity typeconcrete weir across Deduruoya located near Kurunegala. Crest length of the spillway is 60.0m. The two abutments are each approximately 20m in length. The Spillway isbroad crested and the downstream chute consists of steps for energy dissipation. No stilling basin was provided due to competent rocky bed in the river. The two river embankments areprovided with Gabion wall protection.

Description of Services Provided:

• Detail Site Surveys.
• Detail Geological investigations.
• Detail Design of the dam, spillway and sluice gates.
• Environmental Impact Assessment study.
• Construction of the weir.