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.