A Case Study from System H, Sri Lanka

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List of Figures1.2.3.4.5.Project-level organizational structure of the Mahaweli Authority of Sri LankaSystem areas of present Mahaweli ProgrammeOrganizatiMlal structure of the Mahaweli Economic Agency of the Mahaweli Authority of Sri LankaSubsystems of System H of Mahaweli Ganga Development ProjectSource of water and main delivery system of H4 & H5 areas of System H245a96. Water delivery system7. Subsystem H5 of System H8. Organizarional chart of the Training Unit, System H, Mahaweli Project9. Project water management communication structure10. Schematic diagram of two different soil types identified for each irrigable plot in a rotational area11. Distributary turnouts, flow monitoring and weather-gauging stations in the H5 area111214203237ix
Acknowledgements1 WlSH To express my appreciation to Dr. Roberto Lenton, Director General, International Irrigation ManagementInstitute, and the Professional Development Committee for having given me the opportunity to present this case study.I am particularly indebted to Drs. Senen M. Miranda and C.R. Panahokke who gave me much assistance andencouragement to complete this study successfully. 1 also wish to recordmy gratitude to theIIMI scientists andresearchstaff who helped me with their valuable comments. I also thank Miss Sujatha Akuressa who typed out numerous draftsof this document.My sincere thanks and appreciation are due especially to Mr. N.G.P. Panditharatne, former Director General, and Mr.K.H.S. Gunatilaka, Director General, both of the Mahaweli Authority of Sri Lanka. Mr. T.H. Karunatilleke, AdditionalSecretary to the Minishy of Mahaweli Development, and Mr. Jayantha Jayewardene, Managing Director. MahaweliEconomic Agency, for recommending my application to IIMI for the special award. The efforts of Mr. JayanthaJayewardene in promoting effective use of farmer organizations and his initiatives in forming distributary channelorganizations are also gratefully acknowledged.I am also obliged to the former heads of the Mahaweli Economic Agency, Messrs. M.L.J. Wickremarathne andJayathissaBandaragoda,iuExecutiveDirectorsandProjectCoordinators,andtheResidentProjectManagersofH5, whor d i the vital importance of water management, and gave me their fullest cooperation to implement this program. Ialso thank Messrs. Ananda Wickremarathne, Chief Irrigation Engineer, Mahaweli Economic Agency, and MahindaPanapitiya, Assistant Director, Mahaweli Engineering & Construction Agency, whose support was significant in solvingthe structural problems encountered in engineering a smooth operation of the system.My special thanks go to the entire operation and maintenance staff, leaders of the fanner organizations, and farmersintheH5areaofMahaweliSystemHwhoinonewayoranothercontributedmuchtoinnovateandimplementtherelevantconcepts and methods successfully.P. WeerakkodySenior Irrigation Engineer1989xi
Page 1 and 2: Farmer-Officer Coordination to Achi
Page 3 and 4: Table of ContentsList of TablesList
Page 5: List of Tables1. Complaints receive
Page 9 and 10: the H5 area and what IIMI's interve
Page 11 and 12: COORDINATED APPROACHUsing the lesso
Page 13 and 14: IMANAGERDEPUTY RESIDENTPROJECT MANA
Page 15 and 16: 4 IntroductionFigure 2. System area
Page 17 and 18: CHAPTER 2Project Description of Sys
Page 19 and 20: Fanner-Oficer Coordination To Achie
Page 21 and 22: Farmer-Oficer Coordination To Achie
Page 23 and 24: Farmer-Ojicer Coordination To Achie
Page 27 and 28: CHAPTER 4The Initial Approach in Wa
Page 29 and 30: Farmer-Oflcer Coordination To Achie
Page 31 and 32: Fanner-Ofleer Coordination To Achie
Page 33 and 34: 26 Consultuntd Recomnaendutions for
Page 35 and 36: 28Coordinated Approach in Operaiona
Page 37 and 38: 30 Coordinated Approach in Operatio
Page 39 and 40: 32Coordinated Approach tin Operatio
Page 41 and 42: CHAPTER 7Operational MechanismDISTR
Page 45 and 46: CHAPTER 8Results and Discussion~ o
Page 47 and 48: Fanner-Officer Coordinatwn To Achie
Page 51 and 52: 46 Summary and RecommendationsFarme
Page 53 and 54: Annex I: System H Training Manual (
Page 55 and 56: 16 17(em-inches)I0.511.011.5 IField
Page 57 and 58:
Annex IV. Disuibutary channel (DC)
Page 59 and 60:
Annex V. Main channel delivery sche
Page 61 and 62:
Page 63 and 64:
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A Case Study from System H, Sri Lanka

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