CONTENTS

Certificate

Acknowledgement.................................................................................................................I

Abstract................................................................................................................................II

Contents..............................................................................................................................III

1.0 NEW TANK PROJECT 11.1 INTRODUCTION 2

1.2 SALIENT FEATURES OF THE PROJECT 2

1.3 TECHNICAL ASPECTS OF A PROJECT

1.4 INTRODUCTION FOR IRRIGATION

1.5 DEFINITION OF CANAL

1.6 BASIC PRINCIPLES OF IRRIGATION

1.7 INVESTIGATION FOR A NEW TANK PROJECT

1.8 PRELIMINARY INVESTIGATION

1.9 FACTORS CONSIDERED FOR SELECTION OF

SITE FOR EARTHEN DAM

1.10 FLY LEVELLING

1.11 LOCATION DETAILS

1.12 SURVEYS

1.12.1 BUND ALIGNMENT

1.12.2 CAPACITY CONTOURING

1.13 SELECTION BUND DIMENSIONS

1.13.1 RESERVOIR CAPACITY

1.13.2 TOTAL STORAGE

1.14 DESIGN OF BUND 1.14.1 HEIGHT OF BUND

1.14.2 TOP WIDTH

1.14.2 SIDE SLOPE

1.14.4 FREE BOARD

1.14.5 AREA CALCULATION AND VOLUME OF WATER

REQUIRED FOR CANAL

1.15 WEIR 1.15.1 DESIGN OF WASTE WEIR

1.15.2 DESIGN OF PROTECTION WORKS

1.15.3 DESIGN APRON OF THE WEIR

1.16 DESIGNS FOR TANK SLUICE 1.16.1 DESIGN OF SLUICE BARREL

1.16.2 DESIGN OF VENTWAY

1.17 DESIGN OF CANAL

1.18 PHREATIC LINE 1.18.1 CALCULATION FOR THE LENGTH OF THE FILTER

1.18.2 LENGTH OF THE FILTER

1.8.3 DETERMINATION OF SEEPAGE LINE

1.19 EARTHWORK CALCULATIONS

1.0 WATER SUPPLY PROJECT1.1 INTRODUCTION 26

2.2 NECESSITY

2.2.1 Sources 26

2.2.2 Recommendations 26

2.2.3 Water sample analysis report (KINAYE LAKE) 27

2.2.4 The various components of water supply 31

Project are as follows

2.3 POPULATION FORECAST

2.3.1 Geometric Increase method 31

2.4 WATER DEMAND 33

2.5 INTAKE STRUCTURE

2.5.1 Design of 1st stage rising main & its Pump house. 34

2.6 WATER TREATMENT PLANT 2.6.1 Screen 38

2.6.2 Sedimentation cum coagulation tank 40

2.6.3 Design of coagulation-cum Sedimentation tank 41

2.6.4 Filtration

2.6.7.1 Rapid sand gravity filter 42

2.6.5 Disinfection 43

2.7 DESIGN OF GROUND LEVEL STORAGE RESERVOIR (GLSR) 32

2.8 PUMP HOUSE

2.8.1 Design of elevated level Reservoir (ELSR) 33

2.9 DISTRIBUTION SYSTEM 47

3.0 SANITARY PROJECT

3.1 INTRODUCTION 50

3.2 RECOMMENDATIONS 51

3.3 SCOPE OF THE PROJECT 51

3.4 QUANTITY OF SEWAGE 54

3.5 PROPOSED SYSTEM 3.5.1 AEROBIC LAGOON 55

3.5.2 Design of Aerobic lagoon 56

3.5.2 GRIT CHAMBER 57

3.5.2.1 Design of Grit chamber 57

3.5.3 Distribution system 58

4.0 HIGHWAY PROJECT

4.1 Introduction 64

4.2 Characteristics of Road Transport 64

4.3 Neccessity 64

4.4 Objectives of the Project 65

4.5 ACTIVITES INVOLVED IN ROAD PROJECT 65 4.5.1 Map study 65

4.5.2 Reconnaissance survey 66

4.5.3 Preliminary survey 66

4.5.4 Final location and detailed survey 66

4.6 REVIEW OF LITERATURE 66

4.6.1 Alignment 66

4.6.2 Camber 66

4.6.2 Horizonatl curve 67

4.6.4 Vertical curve 67

4.6.5 Design speed 67

4.6.6 Sight distance 67

4.6.7 Super elevation 68

4.6.8 Gradient 68

4.7 GEOMETRIC DESIGN 68

4.8 DESIGN OF PAVEMENT

4.8.1 Design of flexible pavement 69

4.9 DESIGN OF ROAD AT CURVE 72

4.10 DESIGN OF ROAD AT CURVE 72

4.10.1 Stopping Sight distance (SSD) 72

4.10.2 Overtaking sight distance (OSD) 72

4.10.3 Design of horizontal curves 74

4.10.4 Design of spuperelevation 75

4.10.5 Design of extra widening 76

4.11 CALCULATION OF LENGTH OF TRANSITION CURVE 76

4.12 DESIGN FOR VALLEY CURVE 78

5.0 OLD TANK 5.1 OBJECT 86

5.2 LOCATION DETAILS 86

5.3 SURVEYS UNDER TAKEN 86

5.4 BUND ALIGNMENT 86

5.5 BUND DIMENSIONS 87

5.6 EARTHWORK CALCLATION 87

5.7 CAPACITY OF RESERVOIR 88

5.8 SLUICE DETAILS 89

6.0 REFERENCES 90