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ASCE Manual of Practice MOP 127: Hydraulics of Wells- Design, Construction, Testing, and Maintenance of Water Well Systems, 2014
- Cover
- CONTENTS
- CONTRIBUTORS
- PREFACE
- INTRODUCTION
- 1. FUNDAMENTAL CONCEPTS OF GROUNDWATER FLOW [Go to Page]
- 1.1 General
- 1.2 Hydrologic Cycle
- 1.3 Porous Media
- 1.4 Aquifer Systems
- 1.5 Aquifer Storage
- 1.6 Darcy Equation
- 1.7 Basic Equations of Groundwater Flow
- 1.8 Aquifer Flow
- 1.9 Summary
- 1.10 Solved Design Example 1
- 1.11 Solved Design Example 2
- 1.12 References
- 2. HEAD LOSSES, TOTAL DRAWDOWN, TOTAL DYNAMIC HEAD, AND EFFICIENCY OF WATER-WELL SYSTEMS [Go to Page]
- 2.1 General
- 2.2 Head Loss in the Suction Pipe
- 2.3 Head Loss in the Delivery Pipe
- 2.4 Total Dynamic Head
- 2.5 Efficiency of Water-Well Systems
- 2.6 Solved Design Example 1
- 2.7 Solved Design Example 2
- 2.8 Solved Design Example 3
- 2.9 References
- 3. DESIGN OF WATER WELLS [Go to Page]
- 3.1 General
- 3.2 Design of Borehole, Casing, and Screen
- 3.3 Design of Filter Pack
- 3.4 Design of Well Screen
- 3.5 Economic Considerations in Design
- 3.6 Summary
- 3.7 References
- 4. CONSTRUCTION, DEVELOPMENT, AND TESTING OF WATER WELLS [Go to Page]
- 4.1 General
- 4.2 Site Assessment for Potential Municipal Water Well Sites
- 4.3 Drilling, Installation, and Cementing of Conductor Casing
- 4.4 Drilling the Borehole
- 4.5 Geophysical Borehole Logging
- 4.6 Isolated Aquifer Zone Testing
- 4.7 Water Quality and Yield
- 4.8 Well Destruction Methods
- 4.9 Mechanical Grading Analyses
- 4.10 Lithologic Descriptions of Formation Materials Using Uni. ed Soil Classi. cation System
- 4.11 Preparation for Well Completion
- 4.12 Installation of Casing, Screen, and Filter Pack
- 4.13 Interaquifer Seals
- 4.14 Principles of Well Development
- 4.15 Final Development with Deep Well Turbine Pump (Vertical Line Shaft)
- 4.16 Pumping Tests
- 4.17 Flowmeter (Spinner) Survey
- 4.18 Collecting Water Quality Samples at the End of the Constant-Rate Test
- 4.19 Miscellaneous Final Tasks
- 4.20 Final Report including Analysis
- 4.21 Acknowledgments
- 4.22 References
- 5. CORROSION OF WATER WELLS [Go to Page]
- 5.1 General
- 5.2 Theory of Corrosion
- 5.3 Types of Corrosion
- 5.4 Corrosive Properties of Water
- 5.5 Corrosion of Water-Well Systems
- 5.6 Prediction of Corrosion
- 5.7 Evaluation of Corrosion Rate Data
- 5.8 Protective Measures for Corrosion
- 5.9 Troubleshooting for Well Corrosion
- 5.10 Solved Design Example 1
- 5.11 References
- 6. INCRUSTATION OF WATER WELLS [Go to Page]
- 6.1 General
- 6.2 Theory of Incrustation
- 6.3 Analysis of Groundwater
- 6.4 Forms of Incrustation
- 6.5 Causes of Incrustation
- 6.6 Effects of Velocity, Pressure, and Temperature Changes
- 6.7 Chemical Incrustation
- 6.8 Physical Incrustation
- 6.9 Biological Incrustation
- 6.10 Character of Iron Deposits
- 6.11 Field Testing of Incrustation
- 6.12 Timely Maintenance
- 6.13 Acid Treatment
- 6.14 Chlorine Treatment
- 6.15 Polyphosphate Treatment
- 6.16 Design Considerations to Prevent Well Fouling
- 6.17 References
- 6.18 Recommended Reading
- 7. WELLHEAD PROTECTION FOR WATER WELLS [Go to Page]
- 7.1 General
- 7.2 Wellhead Protection and Wellhead Protection Area
- 7.3 Fundamentals of Groundwater Flow and Contaminant Transport
- 7.4 Delineation Methods for the Wellhead Protection Area
- 7.5 A Case Study
- 7.6 Summary
- 7.7 References
- 8. MAINTENANCE OF WATER WELLS [Go to Page]
- 8.1 General
- 8.2 Causes of Well Performance: Problems and Failures
- 8.3 Preventive Material, Design, and Treatment Choices to Avoid Well Performance Decline and Failure
- 8.4 Preventive Maintenance, Monitoring Methods, and Records
- 8.5 Schedule of Well Maintenance Activities
- 8.6 Economics of Well Maintenance
- 8.7 The Future: Field and Laboratory Research on Well Maintenance
- 8.8 Solved Design Example 1
- 8.9 Solved Design Example 2
- 8.10 References
- APPENDIX A. EXAMPLE OF A WATER-WELL SYSTEM DESINGN [Go to Page]
- A.1 General
- A.2 Hydrogeology
- A.3 Groundwater
- A.4 Well Site Characteristics
- A.5 Technical Aspects of Water Wells
- A.6 Geophysical Logging and Aquifer Zone Testing
- A.7 Design Aspects of Water Wells
- A.8 Pumping Tests
- A.9 Video Survey, Plumbness, and Alignment
- A.10 Well Equipping, Operation, and Maintenance
- A.11 Acknowledgments
- APPENDIX B. TECHNICAL SPECIFICATIONS FOR DRILLING, CONSTRUCTING, AND TESTING OF WATER WELLS [Go to Page]
- B.1 General
- B.2 Drilling Method and Equipment
- B.3 Well Construction Sequence
- B.4 Testing For Yield and Drawdown
- B.5 Video Survey
- B.6 Well Disinfection
- B.7 Figures
- B.8 Attachments
- APPENDIX C. GLOSSARY
- APPENDIX D. NOTATION
- APPENDIX E. SI UNIT PREFIXES
- APPENDIX F. CONVERSION TABLE AND USEFUL CONSTANTS
- INDEX [Go to Page]
- A
- B
- C
- D
- E
- F
- G
- H
- I
- J
- L
- M
- N
- O
- P
- R
- S
- T
- U
- V
- W
- Z [Go to Page]