WATER RESOURCES ENGG 4TH SEMESTER SEMESTER CIVIL ENGINEERING/ CIVIL D'SHIP

Department of Technical Education

DIPLOMA IN CIVIL ENGINEERING

FOURTH SEMESTER CIVIL ENGINEERING/ CIVIL D’SHIP

SUBJECT:  WATER RESOURCES ENGG

 

 

 

Contact Hrs/Week: 4 Hrs.                                                 Contact Hrs/Sem:64 Hrs.

 

CHAPTER NO

CONTENTS

NO OF HOURS

MARKS WEIGHTAGE IN EXAM

PART-A

1

Introduction to water resources engineering

02

05

2

Hydrology

06

17

3

Irrigation water requirements for crops

04

12

4

Irrigation system and methods of irrigation

06

16

 

 

 

 

PART-B

5

Reservoirs and Dams

12

30

6

Distribution works

06

16

PART-C

 

 

 

 

7

Cross drainage works

04

10

8

Diversion and river training works

06

15

9

Ground water engineering

04

12

10

Water resource management

05

12

 

 

 

 

10

Seminars, field/technical visit, inventions/innovations, demonstrations, workshops etc

05

----

 

 

 

 

11

Tests and revision

04

----

 

 

 

 

 

 

64

145

 

 

 

 

 

 

 

 

 

 

 

FOURTH SEMESTER CIVIL ENGINEERING

SUBJECT:  WATER RESOURCES ENGINEERING

 

 

DETAILS OF CONTENTS

 

PART-A

 

  1. INTRODUCTION TO WATER RESOURCES ENGINEERING

 

            Introduction and objects of  water resource development, world water resources, water resources of India and Karnataka

            Advantages and disadvantages of irrigation

 

  1. HYDROLOGY

            Introduction and importance of hydrology

            Hydrologic cycle

            Precipitation and its types

            Rainfall and its distribution

            Measurement of rainfall , rain gauges types (Simon’s rain gauge and floating type rain gauge ).

            Mean annual rainfall and method of computation of average rainfall , (simple problems)

            Water losses

            Run-off and its measurements (no problems), factors affecting run-off

 

  1. IRRIGATION WATER REQUIREMENT OF  CROPS

            Quality of irrigation water

            Base period, duty, delta and their relationship (simple problems)

            Crop seasons – Rabi and Kharif

            Factors affecting duty, methods of improving duty

            Irrigation efficiency

 

  1. IRRIGATION SYSTEM AND METHODS OF IRRIGATION

            Introduction to irrigation systems and methods of irrigation

            Gravity irrigation, lift irrigation, well irrigation tank irrigation and tube well irrigation

            Subsurface irrigation, surface irrigation, sprinkler irrigation, drip irrigation , advantages and disadvantages of various methods

            Tube wells , open wells and their types

 

 

 

 

 

 

 

 

 

PART-B

 

  1. RESERVOIRS AND DAMS

            Introduction , site selection for reservoirs and dams

            Earthen dams, gravity dams

            Typical cross section of a gravity dam and earthen dam

            Forces acting on gravity dams

            Spillways and spillway gates

            Reservoir sedimentation

            Maintenance and restoration of tanks

 

  1. DISTRIBUTION WORKS

            Canal and its classification

            Different methods of canal alignment

            Layout of canal system

            Canal lining , types

            Canal drops, sluices and escapes

            Maintenance of canals

PART-C

 

  1. CROSS DRAINAGE WORKS

            Definitions  functions and necessity of cross drainage works

            Selection of site for cross drainage works

            Types of cross drainage works, aqueduct , siphon , super passage, level crossing, inlet and outlet

 

  1. DIVERSION AND RIVER TRAINIG WORKS

            Definition of various diversion head works

            Location , layout and components of diversion head works

            Weirs, barrage and their differences

            Body wall of  a weir, divide wall- sketches and description

            Approach channel , canal head regulator, Fish ladder

            Marginal bunds, guide banks, weir protection works

            Definition , importance and necessity of river training works

 

  1. GROUND WATER ENGINEERING

            Introduction , occurrence of ground water, importance

            Aquifer, aquiclude, aquitard , aquifuge

            Definition of porosity, ground water yield, specific yield, specific retention, permeability, transmissibility

            Types of aquifers

            Measurement of yield, methods of  measurement

            Artificial recharge of ground water and its methods

            Ground water pollution

             protection of wells

 

 

 

  1.  WATER RESOURCE MANAGEMETN

            water conservation- rain water conservation, rain water harvesting

            Methods of rain water harvesting

            Flood water management, water quality management,  fresh water management , waste water management and ground water management

            Cloud seeding- definition , technique of operation

            Watershed management and its importance

 

Text Books: 1. Water Resource Engineering By H S Vishwanath, Sapna Publications.

 

REFERENCE BOOKS

 

  1. Irrigation and water power engineering-by B.C.Punmia, Pande, B.B.Lal

            Lakshmi Publications, 7/21, Ansari Raod, Daryaganj, New Delhi - 110 002.

  1. Principles and practice of irrigation engineering S.K.Sharma (S.Chand and company Pvt. Ltd. Ramnagar, New Delhi - 110 055
  2. Irrigation and Hydraulic structures S.K.Garg (Khanna Publishers, Delhi)
  3. Irrigation Engineering - voi I, II and III K.R. Sharma
  4. Theory and design of irrigation structures Varshney, S.C., Gupta And R.L.Gupta
  5. A text book of irrigation engineering and Hydraulics structures R.K.Sharma

(Oxford - IBH publishing Co.,)

  1. Ground water- H.M.Raghunath, New age international publisher
  2. Hydrology – Principles, Analysis and design, New age international publisher

           

 

 

*  *  *  *  * *  *  *  *  *

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Department of Technical Education

DIPLOMA IN CIVIL ENGINEERING

FOURTH SEMESTER

SUBJECT: WATER RESOURCES ENGINEERING

Contact Hrs/Week: 4 Hrs.                                                                Contact Hrs/Sem:64

 

GENERAL EDUCATIONAL OBJECTIVES:

 

Upon the completion of the study of the subject the student should be able to:

 

  1. Know the importance of water resources and irrigation in India
  2. Understand the concept of hydrology and its components
  3. Estimate the water requirements of different crops and duty of water
  4. Understand the various systems and methods of irrigation.
  5. Understand the various types of dams, and their constructional aspects
  6. Understand the methods of canal alignment, distribution systems and maintenance of canals
  7. Know the various types of cross drainage works and their importance
  8. Understand the functions of various components of diversion and river training works
  9. Know the importance of ground water and various parameters of ground water engineering
  10. Understand the importance of water conservation and water management

 

 

SPECIFIC INSTRUCTIONAL OBJECTIVES:

 

 

1.0 Know the importance of water resources and irrigation in India

     1.1 Objects of water resource development and irrigation

     1.2 World water resources.

     1.3 Water resources projects of India and Karnataka

     1.4 List the advantages and disadvantages of irrigation.

 

2.0 Understand the concept of hydrology and its components

     2.1 Definition of Hydrology and its importance and scope

     2.2 Concept of Hydrologic cycle and its components and process

     2.3 Definition of precipitation and forms of precipitation.

     2.4 Definition of Rainfall interception, infiltration , depression storage and overland flow

     2.5 Measurement of rainfall using rain gauges, non recording rain gauges(symon’s  rain 

           gauge), recording type rain gauge (floating type rain gauge used by Indian

           Meteorological Dept)

2.6    Definition of Mean annual rainfall and method of computation of average rainfall , 

By arithmetic average method and Thiessen polygon method(simple Problems)

2.7    Water losses due to evaporation, infiltration , transpiration and evapo- transpiration

2.8    Components of runoff  , list the methods of estimating of runoff (no problems)

2.9    List the various factors affecting runoff

3.0 Estimate the water requirements of different crops and duty of water

.

      3.1 Quality of irrigation water and the impurities of irrigation.

      3.2 Definition of crop period or base period , duty and delta of a crop.

      3.3 Crop seasons in India , definition of rabi and Kharif season and crops grown

      3.3 Duty of water , relationship between duty and delta – simple problems

      3.4 List the factors on which duty depends.

      3.5 Brief explanation of various methods of improving duty

      3.6 Definition of irrigation efficiency and kinds of irrigation efficiency and their

            definition

 

4.0 Understand the various systems and methods of irrigation

    4.1 List the different types of irrigation systems and methods of irrigation

    4.2 Brief explanation of gravity irrigation, lift irrigation ,well irrigation, tank irrigation  and

          tube well irrigation their advantages and disadvantages

    4.3 Definition and brief explanation of Sub surface irrigation and surface irrigation-  

          sprinkler irrigation and drip irrigation  their advantages and disadvantages

    4.4 Types and construction of open wells, various types of tube wells.

 

5.0 Understand the various types of dams, and their constructional aspects

 

      5.1 List the types of reservoirs and dams

      5.2 Factors governing the selection of dam site.

      5.3 Explain brief with sketches the construction of earthen and gravity dams

      5.4 Forces acting on dams- water pressure, uplift pressure, earthquake pressure, silt

             pressure, wave pressure , weight of dam and combination of forces

      5.5 Definition ,types of spillways and spillway gates.

      5.6 Reservoir sedimentation- definition and ill effects of sedimentation in reservoirs

      5.7 Explain the maintenance aspect of a tank and method of restoring an old tank

.

6.0 Understand the methods of canal alignment, distribution systems and maintenance  of  canals

 

6.1 Definition and classification of canals.

6.2 List the various methods of canal alignment with brief explanation

6.3 Explain the layout of canal system

6.4 Explain the  various methods of canal lining

6.5 Explain with sketches of canal drop, canal sluice and canal escape .

6.6 Explain the maintenance aspect of canals

 

7.0 Know the various types of cross drainage works and their importance

 

 7.1 Definition and necessity of cross drainage work sand their function

 7.2 Factors affecting the selection of site for cross drainage works.

 7.3 Explain aqueduct, Canal siphon, super passage, level crossing inlet and outlets 

       with  sketches

8.0 Understand the functions of various components of diversion and river training

      works

.

  8.1 Definition of various diversion head works.

  8.2 Explain with sketches the various components of diversion head works.

        8.3 Explain the construction of the body wall of a weir and divide wall

  8.4 Explain approach channel, canal head regulator and fish ladder with sketches.

  8.5 Definition of river training works, their importance and necessity .

  8.6 Sketch and explain marginal bunds, guide banks and weir protection works

 

9.0 Know the importance of ground water and various parameters of ground water

      engineering

.

      9.1 Introduction , Occurrence of ground water – saturate zone , aerated zone

      9.2 Define aquifer, aquitard, aquiclude and aquifuge.

      9.3 Define aquifer  properties like porosity, specific yield , specific retention ,    

            permeability , water table ,co-efficient of permeability and transmissibility

      9.4 Types  of aquifers – confined and unconfined aquifers

      9.5 Define yield of a well and list the methods of measurement of yield of a well

      9.6 Define recharge and artificial recharge of ground water and methods of artificial

            recharge

      9.7 Explain causes of ground water pollution.

      9.8 Explain protection of wells ,    

 

10.0 Understand the importance of water conservation and water management

 

      10.1 Introduction to rainwater conservation and rain water harvesting

      10.2 Explain the small scale and small tank harvesting and urban rainwater

              harvesting

            Explain flood water management , water quality management,  fresh water

        management , waste water management and ground water management

            Definition and techniques of  cloud seeding

            Definition of watershed management and its importance

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