PLANNING AND DESIGN OF SURFACE IRRIGATION SYSTEM
AE ...
Lecture : 3 Year : IV
Tutorial : 1 Part : I
Practical : 1.5
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.
1. Introduction [2
hours]
1.1. Classification of Irrigation System
1.2. Comparison of Irrigation System and
Their Relative Merits
1.3. Selection of Irrigation System
2. Surface Irrigation System [5
hours]
2.1. Estimation of Water Requirement of
Selected Command Area
2.2. Delta, Base Period, Duty and Their
Relationship
2.3. Factors Affecting Canal Duty
2.4. Classification of Canals and Canal
Network
2.5. Nomenclature and Terminology Used in
Canal Distribution System
3. Planning Canal Irrigation System [3
hours]
3.1. Considerations in Canal Alignment
3.2. Curves in Canals
3.3. Optimal Layout of Canal Network
3.4. L-Section in Canal Network
4. Design of Irrigation Channels [7
hours]
4.1. Design Based on Maximum Permissible
Velocity
4.2. Kennedy's Silt Theory and Kennedy's
Method of Channel Design
4.3. Silt Carrying Capacity by Kennedy's
Theory
4.4. Limitations of Kennedy's Theory
4.5. Lacey's Regime Theory and Shock
Concept
4.6. Lacey's Theory Applied to Channel
Design
4.7. Comparison of Lacey's and Kennedy's
Theory
4.8. Garret's and Lacey's Diagram Applied
to Channel Design
4.8.1.
Components
of Canal Cross-Section: Side Slope, Berm,
4.8.1.1. Free Board, Bank Width, Barrow Pit,
Spoil Bank
4.9. Lining of Irrigation Channels, Types
of Lining,
4.9.1. Comparison of Different Lining
Materials
4.10. Design of Lined Canals
4.11. Maintenance of Irrigation Channels
5. Underground Pipe Line Conveyance [7
hours]
5.1. Purpose and Advantage
5.2. Materials of Underground Pipe Line
and their Properties
5.3. Design of Underground Pipeline:
5.3.1. Design Velocities
5.3.2. Pipe Diameter
5.3.3. Frictional Head Loss
5.3.4. Design of Pump Stand
5.3.5. Surge and Water Hammer Protection
5.3.6. Air Vents
5.4. Ancillary Structures and Devices in
Underground Pipeline
5.5. Installation of Underground Pipeline
6. Hydraulic Structures in Surface
Irrigation System
[12 hours]
6.1. Headworks:
6.1.1. Components of Headworks
6.1.2. Types of Diversion Works
6.1.3. Types of Weirs and their Location
6.1.4. Consideration in Weir Design
6.2. Head and Cross Regulators:
6.2.1. Purpose and Location of Head and
Cross Regulators
6.2.2. Design Considerations
6.3. Sediment Control and Exclusion
Devices:
6.3.1. Sediment Control and Exclusion at
Headworks
6.3.2. Design Criteria for Sediment
Excluders
6.4. Canal Drops and Drop Structures:
6.4.1. Types of Drops and Their Selection
6.4.2. Design Principle of Drop Structures
6.5. Cross-Drainage Works:
6.5.1. Purpose and Types of Cross-Drainage
Works
6.5.2. Selection of Cross Drainage Works
6.5.3. Design Considerations
6.6. Canal Outlets:
6.6.1. Types- Modular, Semi-Modular and
Non-Modular with their Salient Features
6.6.2. Parameters Governing Behaviour of
outlets
6.6.3. Design Consideration in Canal Outlet
7. Land Development [7
hours]
7.1. Purpose and Importance of Land
Development in Command Area
7.2. Land Grading and Farm Layout
7.3. Consolidation of Land Holding and
Its Importance
7.4. Conjunctive Use- Concept and Scope
7.5. Integrated Development of Command
Area
8. Preparation of Project Plan for
Command Area [2
hours]
Practical:
1.
Selection
of Optimal Cropping Pattern Based on Soil and Climatic Condition [1.5 hours.]
2.
Estimation
of Water Requirement of Selected Cropping Pattern for Given Command Area [1.5 hours.]
3.
Use
of CROPWAT model by FAO for irrigation scheduling [3 hours.]
4.
Delineation
of Optimal Canal Alignment on Topographical Map of Given Command Area [3 hours.]
5.
Design
of Canal Conveyance System for given Command Area [3 hours.]
6.
Design
of Underground Pipe Line for Given Command Area [3 hours.]
7.
Design
of Canal Outlet [1.5
hpurs.]
8.
Preparation
of Rotational Schedule for Given Canal Outlet [1.5
hours.]
9.
Design
Problems on Land Grading and Farm Layout [2 hours.]
References:
1.
Michael, A.M. Irrigation Theory and
Practice. Vikash Publishing House, New Delhi.
2.
Irrigation
Principles and Practices by O.W. Israelson and V.E. Hensen. John Wiley &
Sons.
3.
L.G.
James Farm Irrigation System Design. John Wiley & Sons, New York (latest
edition
4.
Reddi,
T. Yellamanda & Reddi, G.H. Sankara. Efficient Use of Irrigation Water
(1995)
5.
R. Lal. Irrigation Hydraulics
6.
S.K. Garg. Irrigation
Engineering and Hydraulic Structures. Khanna Publishers, New Delhi (8 copies)
7.
J.N.
Luthin. Drainage Engineering. Wiley Eastern Pvt. Ltd. New Delhi.
8.
International
Course on Land Drainage. Drainage Principles and Applications, Vol. I to IV.
International Land Reclamation Institute (ILRI), Wakhningen, the Netherlands.
9.
Walker,
W.R. and G.V. Skogerboe. Surface Irrigation: Theory and Practice. Prentice-Hall
Inc. USA
10.
Irrigation
Engineering. R. K. Sharma and T. K. Sharma. S. Chand & Co., New Delhi.
11.
Bruce
Withers and Stanley Vipond, B T Batsford limited, London, WiHoAH, Irrigation:
Design and Practice.
12.
Herman
J Finkel, CRC Press Inc, Florida, CRC Handbook of Irrigation Technology.
13.
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
|
Hour
|
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
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