REFERENCES 1. Kort, I. de and Bijleveld, M and 1 Vos University ofTwente, 1st print (2002), Optimisation of the water usc from Samanala Wewa Reservoir, 2. Samanala Wewa (1992-2003), Reports to system control centre. 3. Nippon Koei Co. Ltd. Consulting Engineers (1999), Preliminary study report on stage-2 development ofSamanala Wewa Hydroelectric Project 4. Sir Alexander Gibb & Partners Ltd. ( 1993), Recoti Drawings, Tunnel & Power Station Volume II. 5. Sir Alexander Gibb & Partners Ltd. (June 1987), Design criteria for civil works 6. Electro watt Engineering Services Ltd/Switzerland (Jan 1985) ,Samanalawewa Hydro Electric Scheme Review report 7. J. Guthrhrie Brown , Hydraulic Engineering Practice 8. Andrew Chadwick & John Morfett, Hydraulics in civil Engineering 9. Dr. Nimal Gamage , of University of Moratuwa , Lecture Notes on Deterministic Hydrology 10. Dr. Nishantha Nanayakkara , Lecture Notes on Micro hydro development in Sri Lanka --- References 58