CONTENTS
Chapter 1: INTRODUCTION
1.1 GENERAL
1.2 HISTORY OF IRON AND STEEL PIPES 1
1.3 CHOICE OF PIPE MATERIALS 2
1.4 MECHANICAL PROPERTIES OF STEEL 4
Chapter 2: IRON AND STEEL PIPES
2.1GENERAL PRINCIPLES 5
2.2 GREY CAST IRON VS DUCTILE IRON 5
2.3 PROPERTIES & ADVANTAGES OF DUCTILE IRON PIPE 6
2.4 APPLICATION OF DUCTILE IRON PIPE 6
2.5 DESIGN ASPECTS OF STEEL PIPES 7
A. SPIRALWOCD PIPE 7
B. DUCTILE IRON PIPE 11
Preferred Material for the
Chapter 3: WATER PIPE MATERIAL SELECTION
3.1 INTRODUCTION 12
3.2 SELECTION CRITERIA 12
3.3 DI PIPE vs HDPE PIPE 15
Chapter 4: CORRUGATED STEEL PIPES
4.1 CORRUGATED STEEL PIPE AND STRUCTURAL 33
PLATE PIPE DATA
4.2 STRUCTURAL DESIGN OF CSP 34
4.3 APPLICATIONS OF CSP 51
4.4 CULVERT PRICE LIST 53
Chapter 5: DESIGNCONSIDERATIONSFORWATERCONVEYANCEPIPELINES 57
5.1 INTRODUCTION 57
5.2 CHECK LIST FOR PIPELINE DESIGN 58
5.3 WATER QUALITY PARAMETERS 59
5.4 HYDRAULICS OF CONDUITS 61
5.5 DARCY - WEISBACH'S FORMULA 62
5.6 MODIFIED HAZEN WILLIAM'S FORMULA 62
5.7 GENERAL CONSIDERATIONS FOR 64
STRUCTURAL DESIGN OF PIPES
5.8 WATER PIPE DESIGN MATERIALS AND TYPICAL DESIGN 72
DESIGN EXAMPLE 73
DUCTILE IRON PIPE 79
Chapter 6: COST BENEFIT, LCC ANALYSIS AND RECOMMENDATIONS 80
6.1 INTRODUCTION AND CONCEPTS 80
6.2 LIFE CYCLE COST ANALYSIS OF WATER SUPPLY AND 81
SEWERAGE PIPELINES
6.3 THE LCC EVALUATION TECHNIQUES 82
6.4 ENGINEERING ASSUMPTIONS 82
6.5 CONCLUSION 83
Chapter 7: INSTALLATION OF CORRUGATED STEEL PIPE 84
7.1 BASIC PRINCIPLES FOR PROPER 84
CONSTRUCTION AND INSTALLATION
7.2 PREPARING FOUNDATIONS 86
7.3 BACK FILLING 91
7.4 SUMMARY 92
Chapter 8: LCC ANALYSIS AND RECOMMENDATIONS OF SEWAGE PIPE 93
8.1 INTRODUCTION 93
8.2 VALUE ENGINEERING 93
8.3 LIFE CYCLE COST 94
8.4 METHODOLOGY AND CODES FOR LIFE CYCLE COST 95
8.5 ENGINEERING ASSUMPTIONS 96
8.6 ECONOMIC ASSUMPTION 97
8.7 COST BENEFIT ANALYSIS FOR SELECTION OF PIPE MATERIAL 98
8.8 LCC AN ECONOMIC APPROACH TO PIPE MATERIAL SELECTION 101
8.9 LCC CALCULATION AND EXAMPLES CORRUGATED STEEL PIPE, CSP DESIGN EXAMPLES 102
8.10 CORRUGATED STEEL PIPE, CSP DESIGN EXAMPLES 108
Chapter 9: RECOMMENDATIONS REGARDING DESIGN AND SELECTION OF PIPE MATERIAL 114
9.1 RECOMMENDATIONS FOR•WATERSUPPLY 114
9.2 RECOMMENDATIONS REGARDING QUALITY OF PIPES & FITTINGS 115
9.3 SPECIFIC RECOMMENDATIONS ABOUT USES OF DIFFERENT PIPE & MATERIALS IN WATER SUPPLY 116
9.4 RECOMMENDATIONS FOR SEWERAGE APPLICATIONS 120
REFERENCE 122