PLANNING AND DESIGN OF SURFACE IRRIGATION SYSTEM
AE 725 01
Course Objective:
To familiarize and orient the students in theory, planning, technological development and management in engineering problem solving in the area of surface irrigation system.
- Introduction(2 hours)
- Classification of Irrigation System
- Comparison of Irrigation System and Their Relative Merits
- Selection of Irrigation System
- Surface Irrigation System(5 hours)
- Estimation of Water Requirement of Selected Command Area
- Delta, Base Period, Duty and Their Relationship
- Factors Affecting Canal Duty
- Classification of Canals and Canal Network
- Nomenclature and Terminology Used in Canal Distribution System
- Planning Canal Irrigation System
(3 hours)
- Considerations in Canal Alignment
- Curves in Canals
- Optimal Layout of Canal Network
- L‐Section in Canal Network
- Design of Irrigation Channels(7 hours)
- Design Based on Maximum Permissible Velocity
- Kennedy's Silt Theory and Kennedy's Method of Channel Design
- Silt Carrying Capacity by Kennedy's Theory
- Limitations of Kennedy's Theory
- Lacey's Regime Theory and Shock Concept
- Lacey's Theory Applied to Channel Design
- Comparison of Lacey's and Kennedy's Theory
- Garret's and Lacey's Diagram Applied to Channel Design
- Components of Canal Cross‐Section: Side Slope, Berm
- Free Board, Bank Width, Barrow Pit, Spoil Bank
- Lining of Irrigation Channels, Types of Lining
- Comparison of Different Lining Materials
- Design of Lined Canals
- Maintenance of Irrigation Channels
- Underground Pipe Line Conveyance
(7 hours)
- Purpose and Advantage
- Materials of Underground Pipe Line and their Properties
- Design of Underground Pipelinoe
- Design Velocities
- Pipe Diameter
- Frictional Head Loss
- Design of Pump Stand
- Surge and Water Hammer Protection
- Air Vents
- Ancillary Structures and Devices in Underground Pipeline
- Installation of Underground Pipeline
- Hydraulic Structures in Surface Irrigation System(12 hours)
- Headworks:
- Components of Headworks
- Types of Diversion Works
- Types of Weirs and their Location
- Consideration in Weir Design
- Head and Cross Regulators:
- Purpose and Location of Head and Cross Regulators
- Design Considerations
- Sediment Control and Exclusion Devices:
- Sediment Control and Exclusion at Headworks
- Design Criteria for Sediment Excluders
- Canal Drops and Drop Structures:
- Types of Drops and Their Selection
- Design Principle of Drop Structures
- Cross‐Drainage Works:
- Purpose and Types of Cross‐Drainage Works
- Selection of Cross Drainage Works
- Design Considerations
- Canal Outlets:
- Types‐ Modular, Semi‐Modular and Non‐Modular with their Salient Features
- Parameters Governing Behaviour of outlets
- Design Consideration in Canal Outlet
- Land Development
(7 hours)
- Purpose and Importance of Land Development in Command Area
- Land Grading and Farm Layout
- Consolidation of Land Holding and Its Importance
- Conjunctive Use‐ Concept and Scope
- Integrated Development of Command Area
- Preparation of Project Plan for Command Area
(2 hours)
Practical:
- Selection of Optimal Cropping Pattern Based on Soil and Climatic Condition(1.5 hours)
- Estimation of Water Requirement of Selected Cropping Pattern for Given Command Area(1.5 hours)
- Use of CROPWAT model by FAO for irrigation scheduling(3 hours)
- Delineation of Optimal Canal Alignment on Topographical Map of Given Command Area(3 hours)
- Design of Canal Conveyance System for given Command Area(3 hours)
- Design of Underground Pipe Line for Given Command Area(3 hours)
- Design of Canal Outlet(1.5 hours)
- Preparation of Rotational Schedule for Given Canal Outlet(1.5 hours)
- Design Problems on Land Grading and Farm Layout(2 hours)
References:
- Michael, A.M. Irrigation Theory and Practice. Vikash Publishing House, New Delhi.
- Irrigation Principles and Practices by O.W. Israelson and V.E. Hensen. John Wiley & Sons.
- L.G. James Farm Irrigation System Design. John Wiley & Sons, New York (latest edition)
- Reddi, T. Yellamanda & Reddi, G.H. Sankara. Efficient Use of Irrigation Water (1995)
- R. Lal. Irrigation Hydraulics
- S.K. Garg. Irrigation Engineering and Hydraulic Structures. Khanna Publishers, New Delhi (8 copies)
- J.N. Luthin. Drainage Engineering. Wiley Eastern Pvt. Ltd. New Delhi.
- International Course on Land Drainage. Drainage Principles and Applications, Vol. I to IV. International Land Reclamation Institute (ILRI), Wakhningen, the Netherlands.
- Walker, W.R. and G.V. Skogerboe. Surface Irrigation: Theory and Practice. Prentice‐Hall Inc. USA
- Irrigation Engineering. R. K. Sharma and T. K. Sharma. S. Chand & Co., New Delhi.
- Bruce Withers and Stanley Vipond, B T Batsford limited, London, WiHoAH, Irrigation: Design and Practice.
- Herman J Finkel, CRC Press Inc, Florida, CRC Handbook of Irrigation Technology.
- Larry G James, John Wiley and Sons, Principals of farm irrigation system design.
Evaluation Scheme:
The questions will cover all the chapters in the Syllabus. The evaluation scheme will be as indicated in the table below.
Chapters |
Hours |
Marks Distribution* |
1 |
2 |
4 |
2 |
5 |
8 |
3 |
3 |
4 |
4 |
7 |
12 |
5 |
7 |
12 |
6 |
12 |
24 |
7 |
7 |
12 |
8 |
2 |
4 |
Total |
45 |
80 |
*There may be minor variation in marks distribution
|