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# 2008 walmi excel-worksheets

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### 2008 walmi excel-worksheets

1. 1. Presented by- Assistant Executive Engineer, Water Resources Department Government of Maharashtra. 15th Induction Training: WALMI A’bad. 29 April 2008 1 PPT Downloaded from http://www.pravinkolhe.com/
2. 2.  Worksheets for-  Computation of BCR according to CWC Guidelines.  Preliminary Irrigation Programme.  Design of Drip & Sprinkler Irrigation System.  Land leveling.  Rate of Infilteration 2 PPT Downloaded from http://www.pravinkolhe.com/
3. 3.  Feasibility tests:  Engineering/Technical feasibility  Economic feasibility  Financial feasibility  Social feasibility  Political feasibility  Environmental feasibility  Discounted Cash Flow Techniques:  Benefit-Cost Ratio (BCR) Method  Net Present Worth method  Internal Rate of Return (IRR) Method 3 PPT Downloaded from http://www.pravinkolhe.com/
4. 4. BCR continue…  Compounding: It is the process by which future values of the present payments can be determined with certain interest rate.  Discounting: It is the process by which future payments can be converted to present by a discount rate. Worksheet for BCR computatio n 4 PPT Downloaded from http://www.pravinkolhe.com/
5. 5. 5 PPT Downloaded from http://www.pravinkolhe.com/ Worksheet for PIP
6. 6. 6 PPT Downloaded from http://www.pravinkolhe.com/ Design of Sprinkler Irrigation Method Design of Drip Irrigation Method
7. 7.  Objective  Better Aeration  Efficient Water Application  Better drainage, without erosion. 7 PPT Downloaded from http://www.pravinkolhe.com/  What is Land Forming:  Process of providing planned grade for better aeration and efficient water application on farm.
8. 8. Land Forming Techniques 8 PPT Downloaded from http://www.pravinkolhe.com/ Land Smoothening: Process of forming uniform slope in the direction of irrigation without changing the natural land slope. Land Grading: Process of developing desired land slope in the direction of irrigation by changing natural land slope Land Leveling: It is the process of giving zero slope in the direction of irrigation and as well as in cross direction.
9. 9. Land Leveling  This technique is mainly used for basin irrigation where low land paddy is grown and field-to-field irrigation is practiced. 9 PPT Downloaded from http://www.pravinkolhe.com/ Worksheet for Land Leveling
10. 10.  Infilteration: It is the downward entry of water into the soil.  Infiltration rate (Ir): The actual rate at which the water enters the soil under specified conditions  Cumulative Infiltration (Y): It is the quantity of water that enters the soil in a given time  Measurement of Infilteration: 10 PPT Downloaded from http://www.pravinkolhe.com/ 1 • Concentric Cylinder Infiltrometer 2 • Basin Ponding Test. 3 • Blocked Furrow Infiltrometer
11. 11. Concentric Cylinder Infiltrometer Worksheet for Rate of Infilteration 11 PPT Downloaded from http://www.pravinkolhe.com/
12. 12.  www.pravinkolhe.com or  Google Search as ‘pravin kolhe’ 12 PPT Downloaded from http://www.pravinkolhe.com/
13. 13. Thank You…! © Pravin Kolhe, 2008 http://www.pravinkolhe.com/ 13 PPT Downloaded from http://www.pravinkolhe.com/