Chapter II: Introduction

PAGES
1. Sewerage and the Sanitary Engineer. 2. Historical. 3.
Methods of Collection. 4. Methods of Disposal. 5. Methods of
Treatment. 6. Definitions. 1–8

CHAPTER II

WORK PRELIMINARY TO DESIGN

7. Division of Work. 8. Preliminary. 9. Estimate of cost.
METHODS OF FINANCING. 10. Bond Issues. 11. Special
Assessment. 12. General Taxation. 13. Private Capital.
PRELIMINARY WORK. 14. Preparing for Design. 15. Underground
Surveys. 16. Borings. 9–23

CHAPTER III

QUANTITY OF SEWAGE

17. Dry Weather Flow. 18. Methods for Predicting Population.
19. Extent of Prediction. 20. Sources of Information on
Population. 21. Density of Population. 22. Changes in Area.
23. Relation between Population and Sewage Flow. 24.
Character of District. 25. Fluctuations in Rate of Sewage
Flow. 26. Effect of Ground Water. 27. Résumé of Method for
Determination of Quantity of Dry weather Sewage. QUANTITY OF
STORM WATER. 28. The Rational Method. 29. Rate of Rainfall.
30. Time of Concentration. 31. Character of Surface. 32.
Empirical Formulas. 33. Extent and Intensity of Storms. 24–50

CHAPTER IV

HYDRAULICS OF SEWERS

34. Principles. 35. Formulas. 36. Solution of Formulas. 37. Use
of Diagrams. 38. Flow in Circular Pipes Partly Full. 39.
Sections Other than Circular. 40. Non-Uniform Flow. 51–77

CHAPTER V

DESIGN OF SEWERAGE SYSTEMS

41. The Plan. 42. Preliminary Map. 43. Layout of the Separate
System. 44. Location and Numbering of Manholes. 45. Drainage
Areas. 46. Quantity of Sewage. 47. Surface Profile. 48. Slope
and Diameter of Sewers. 49. The Sewer Profile. DESIGN OF A
STORM-WATER SEWER SYSTEM. 50. Planning the System. 51.
Location of Street Inlets. 52. Drainage Areas. 53.
Computation of Flood Flow by McMath Formula. 54. Computation
of Flood Flow by Rational Method. 78–98

CHAPTER VI

APPURTENANCES

55. General. 56. Manholes. 57. Lampholes. 58. Street Inlets.
59. Catch-basins. 60. Grease Traps. 61. Flush-tanks. 62.
Siphons. 63. Regulators. 64. Junctions. 65. Outlets. 66.
Foundations. 67. Underdrains. 99–126

CHAPTER VII

PUMPS AND PUMPING STATIONS

68. Need. 69. Reliability. 70. Equipment. 71. The Building. 72.
Capacity of Pumps. 73. Capacity of Receiving Well. 74. Types
of Pumping Machinery. 75. Sizes and Descriptions of Pumps.
76. Definitions of Duties and Efficiency. 77. Details of
Centrifugal Pumps. 78. Centrifugal Pump Characteristics. 79.
Setting of Centrifugal Pumps. 80. Steam Pumps and Pumping
Engines. 81. Steam Turbines. 82. Steam Boilers. 83. Air
Ejectors. 84. Electric Motors. 85. Internal Combustion
Engines. 86. Selection of Pumping Machinery. 87. Costs of
Pumping Machinery. 88. Cost Comparisons of Different Designs.
89. Number and Capacity of Pumping Units. 127–163

CHAPTER VIII

MATERIALS FOR SEWERS

90. Materials. 91. Vitrified Clay Pipe. 92. Cement and Concrete
Pipe. 93. Proportioning of Concrete. 94. Waterproofing of
Concrete. 95. Mixing and Placing Concrete. 96. Sewer Brick.
97. Vitrified Clay Sewer Block. 98. Cast Iron, Steel, and
Wood. 164–193

CHAPTER IX

DESIGN OF THE SEWER RING

99. Stresses in Buried Pipe. 100. Design of Steel Pipe. 101.
Design of Wood Stave Pipe. 102. External Loads on Buried
Pipe. 103. Stresses in Circular Ring. 104. Analysis of Sewer
Arches. 105. Reinforced Concrete Sewer Design. 194–210

CHAPTER X

CONTRACTS AND SPECIFICATIONS

106. Importance of the Subject. 107. Scope of the Subject. 108.
Types of Contracts. 109. The Agreement. 110. The
Advertisement. 111. Information and Instructions for Bidders.
112. Proposal. 113. General Specifications. 114. Technical
Specifications. 115. Special Specifications. 116. The
Contract. 117. The Bond. 211–232