Hydrology & Water Resources Engineering Syllabus Diploma in Civil Engineering

Hydrology & Water Resources Engineering Syllabus Diploma in Civil Engineering

  • To provide understanding on the influence of the climatic condition of Bangladesh on its ground water and surface water flow
  • To provide understanding of recharging of underground water and ascertain its necessity in Bangladesh.
  • To enable to select a suitable source of water and method of irrigation for particular situation.
  • To enable to select a suitable method of drainage for particular situation.
  • To enable to select a suitable method for control of rivers and flood in Bangladesh.
  • To understand rain water harvesting.

 

SHORT DESCRIPTION

Sources of water; Rainfall and run-off, Lifting of underground water; Recharging of ground water; Irrigation and its effect; Methods of irrigation; Well irrigation; Water requirements for crops; and quality of irrigation water; Storage reservoir; Dam and dyke; Irrigation canals; Silt deposit; Scouring; Canal works; Reclamation of salt affected water logged land; Drainage; River training works; Flood and flood management and flood control; rain water harvesting; Multipurpose project; Irrigation projects in Bangladesh.

DETAIL DESCRIPTION

Theory :

 

SOURCES OF WATER

1 Understand different hydrological terms

1.1 Explain with neat sketch the hydrological cycle.

1.2 Explain the meaning of the following:

  1. a) Rainfall
  2. b) Rainfall intensity and duration frequency relationship
  3. c) Run-off
  4. d) Infiltration
  5. e) Evaporation
  6. f) Transpiration
  7. g) Evapo -transpiration
  8. h) Permeable and impermeable strata of soil
  9. i) Ground water table
  10. j) Precipitation
  11. k) Aquifer

 

RAINFALL AND RUN-OFF

2 Understand the characteristics of rainfall and run-off in Bangladesh.

2.1 Mention the characteristics of rainfall and run-off in Bangladesh.

2.2 Describe with sketches the various types of rain gages.

2.3 List the factors affecting the run-off an area.

2.4 Determine average annual run-off of a catchments area from given data.

2.5 Define hydrograph.

2.6 Describe the feature of hydrograph

2.6 Identify the components of storm hydrograph.

 

3 Understand the features of a well.

3.1 State the following terms with neat sketches:

  1. a) The cone of depression
  2. b) The circle of influence
  3. c) The draw down curve

3.2 State the meaning of the following terms:

  1. a) Well screen
  2. b) Gravel packed well
  3. c) Critical velocity
  4. d) Critical head
  5. e) Depression head
  6. f) Specific yield of well

3.3 Express how to determine the yield of a well.

3.4 Solve the problems regarding lifting water from well.

3.5 Describe the different tests for yield of a well.

 

RECHARGING OF GROUND WATER

4 Understand the recharging of ground water.

4.1 State what is meant by recharging of ground water.

4.2 Mention the condition when recharging of ground water is required.

4.3 List the methods of recharging of ground water.

4.4 Mention the advantages and disadvantages of recharging of ground water.

4.5 Predict the need for recharging of ground water in Bangladesh.

 

  1. Understand the significance of irrigation and its effect.

5.1 State the meaning of irrigation.

5.2 Explain the necessity of irrigation in Bangladesh.

5.3 Mention the benefits of irrigation.

5.4 Mention the bad effects of irrigation.

5.5 Describe about the present development of irrigation in Bangladesh.

 

6 Understand the different methods of irrigation.

6.1 Name different types of irrigation including sub-divisions.

6.2 Describe flow irrigation including sub-divisions.

6.3 Distinguish between perennial and inundation irrigation.

6.4 Differentiate canal or direct irrigation with reservoir (tank) or indirect irrigation.

6.5 Relate natural and artificial irrigation.

6.6 Mention the advantages of natural irrigation.

6.7 Mention the disadvantages of natural irrigation.

6.8 State the meaning of lift irrigation.

6.9 Describe different methods for lifting water for irrigation manually and by power.

6.10 Mention different types of well irrigation.

6.11 Mention the advantages and disadvantages of well irrigation.

6.12 Explain the necessity of tube-well irrigation in Bangladesh.

6.13 Describe the favorable conditions for tube-well irrigation.

6.14 Mention the advantages and disadvantages of tube-well irrigation.

 

7 Understand the concept of water requirement for crops and quality of irrigation water.

7.1 State the meaning of water requirement for crops.

7.2 Define the terms duty, delta, base period and crop period.

7.3 Express the relation among duty, delta and base period.

7.4 Mention the factors for improvement of duty of water for irrigation.

7.5 Solve problems on duty, delta and base period.

7.6 Explain the various methods of applying irrigation water to the land.

7.7 Describe the quality of irrigation water.

7.8 List the impurities which make the water unfit for irrigation.

 

  1. Understand the concept of storage reservoirs.

8.1 State the meaning of storage reservoir.

8.2 Explain the necessity of storage reservoir

8.3 Mention the requirements of an ideal reservoir.

8.4 Explain the meaning of commendable area and irrigable area.

8.5 Calculate the capacity of a storage reservoir by using appropriate methods.

8.6 Mention the factors that determine the height of the dam of a reservoir.

8.7 Mention the section of a dam of reservoir with different components.

 

9 Understand the features of different types of dam.

9.1 State the meaning of dam.

9.2 Give classification of dam (rigid and non-rigid).

9.3 Mention the favorable conditions for location of an earthen dam.

9.4 Mention the favorable conditions for location of a masonry dam.

9.5 Mention the advantages and disadvantages & limitations of an earthen dam.

9.6 Mention the advantages and disadvantages of masonry dam.

9.7 Classify earthen dam.

9.8 Describe drainage system under a dam.

9.9 State the term core wall and line of saturation with sketches.

9.10 Describe the construction procedure of an earthen dam.

9.11 Mention the causes of failure of an earthen dam.

9.12 Mention the remedies for preventing the failure of an earthen dam.

9.13 Describe the different features of rubber dam

 

10 Understand the features of a dyke.

10.1 State the meaning of dyke.

10.2 Differentiate between dam and dyke.

10.3 Describe the construction procedure of a dyke.

10.4 Mention the causes of failure of a dyke.

10.5 Mention the remedies for preventing the failure of a dyke.

10.6 State the functions of core wall.

10.7 Mention the factors to be considered in determining the location of core wall.

10.8 State the meaning of barrage, weir, spillway, riprap and cut-off.

 

11 Understand different type of irrigation canals.

11.1 State the meaning of main, branch, distributor and field canal.

11.2 Mention the points to be considered in fixing the alignment of an irrigation canal.

11.3 Mention the factors to be considered for designing an irrigation canal.

11.4 Describe with sketches the distributor system of irrigation canals.

11.5 Describe the steps for excavating a new canal and old canal.

 

12 Understand the canal lining

12.1 State the meaning of canal lining.

12.2 Mention the necessity of canal lining.

12.3 Describe different types of canal lining.

12.4 Mention the advantages and disadvantages of canal lining.

12.5 Describe the process of canal lining.

 

13 Understand the causes of silt deposition& the causes of scouring.

13.1 State the meaning of silt and siltration.

13.2 Mention the causes of siltration.

13.3 Mention the merits and demerits of siltration.

13.4 Describe the methods of preventing entry of silt into canal.

13.5 Describe the methods of removing silt from the canal.

13.6 Differentiate between silt excluder and silt ejector.

13.7 State the meaning of scouring.

13.8 Mention the causes of scouring.

13.9 Describe the effect of scouring.

13.10 Describe the methods of preventing scouring.

14 Understand the features of head works.

14.1 State the meaning of head works.

14.2 Name the different components of a head works.

14.3 Explain the functions of each of the component of a head works.

 

15 Understand the principles of reclamation of salt affected water logged land.

15.1 State the meaning of land reclamation.

15.2 Explain the necessity of land reclamation.

15.3 Mention the steps for reclamation of salt affected land.

15.4 State the meaning of water logging.

15.5 Mention the effects of water logging.

15.6 Describe the remedial procedure of water logging.

15.7 Describe the procedure for reclamation of water logged land.

 

16 Understand the principles of drainage.

16.1 State the meaning of drainage.

16.2 Mention the different methods of drainage.

16.3 State the meaning of cross drainage works.

16.4 Mention the functions of cross drainage works.

16.5 Mention the difference between aqueduct and super passage.

16.6 Mention the need for drainage in Bangladesh.

 

17 Understand the necessity of river training works.

17.1 State the meaning of river training.

17.2 Outline the objectives of river training works.

17.3 Mention the different methods of river training works.

17.4 Mention the functions of guide bank, groyne, spur, afflux, marginal bund and stone apron.

17.5 Explain the necessity of river training works in Bangladesh.

 

18 Understand the concept of flood and flood control.

18.1 State the meaning of flood.

18.2 Mention the causes of flood.

18.3 Mention the different methods of controlling flood.

18.4 Specify the causes of flood in Bangladesh.

18.5 Suggest the suitable method(s) for flood control in Bangladesh.

18.6 Give introduction to coastal embankment project and inland river embankment project.

 

  1. Understand the rain water harvesting.

19.1 Define rain water harvesting.

19.2 Draw the sckemetric diagram of rain water harvesting system.

19.3 Component of rain water harvesting system.

  1. a) catchment area.
  2. b) filtration
  3. c) storage
  4. d) ground water research
  5. e) use of rain water

19.4 Potential an challenges of rain water harvesting in Bangladesh.

19.5 Rain water harvesting around the world.

 

20 Understand the concept of multipurpose project.

20.1 State the meaning of multipurpose project.

20.2 Give introduction of Karnaphuly Multipurpose Project.

20.3 Give introduction of Jamuna Multipurpose Bridge Project.

20.4 Give introduction of Borendra Project at Rajshahi.

 

21 Understand different irrigation projects in Bangladesh.

21.1 Write short history of irrigation in Bangladesh.

21.2 Give an overview of Ganga-Kapatakhha (G-K) Project.

21.3 Give an overview of Teesta Barrage Project.

21.4 Give an overview of Chalan Beel Project.

21.5 Give an overview of Chandpur Irrigation Project.

21.6 Give an overview of Barisal Irrigation Project.

21.7 Give an overview of North Bengal Deep Tube Well Project

 

Practical :

  1. Measure rainfall by rain gage and determine the intensity of rainfall.
  2. Observe tube well boring process in practical situation.
  3. Disassemble and assemble common hand pump, tara pump and centrifugal pump.
  4. Install hand pump, tara pump and centrifugal pump.
  5. Commission hand pump, tara pump and centrifugal pump.
  6. Draw neat sketch of cone of depression with draw down and circle of influence.
  7. Draw neat sketch of rain gauges commonly used in Bangladesh.
  8. Draw the section of a dam of a reservoir with components.
  9. Draw neat sketch of distribution system of irrigation.
  10. Draw neat sketch of head works with components.
  11. Draw neat sketch of guide bank, groyne, spur, afflux, marginal bund and stone apron.
  12. Prepare a model for a typical irrigation project.
  13. Visit an irrigation project in Bangladesh.
  14. Visit a drainage project in Bangladesh.
  15. Visit any multipurpose project in Bangladesh.
  16. Visit any rain gauge station for any area of Bangladesh.
  17. Visit the rain water harvesting project.

 

REFERENCE BOOKS

  1. Hydrology− Raghunath
  2. Irrigation Engineering and Hydraulic structure− Santosh Kumar Garg
  3. Introductory Irrigation− B C Punmia
  4. Irrigation − Esrailson
  5. Irrigation Engineering and Hydraulic Structure – Santosh Kumar Garg

6. Introductory Irrigation Engineering – B C Punnia