Sewerage: The Designing, Construction, and Maintenance of Sewerage Systems

Front Cover
J. Wiley, 1901 - Sewerage - 459 pages
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Contents

Invertformer
10
Summary
12
Skeleton Sheathing
13
DISPOSAL BY DILUTION 8 Disposal and Sewage Defined
14
Aims of Disposal
15
Horizontal Sheathing
16
Sliding Rod for Measuring Braces
17
Principles Involved
18
Pipelaying Hook
19
Appliance for Entering Heavy Pipe
20
Pollution of Streams and Tidal Waters
21
Templet for Brick Sewers
22
Effects of Dilution
23
Masons Platform for Brick Sewers
24
Centre for Brick Sewers
25
Form for Concrete Arch
26
Sewerpipe Laid in Concrete
27
Sheathing a Badly Caved Trench
28
AMOUNT OF SEWAGE
29
Sewerage Conduits
30
Amount of Housesewage
31
Sheathing on Steep Slopes
32
Flange for Pipe in Embankment
33
Appliance for Cleaning Siphonsump
34
Disk for Cleaning Sewers
35
Method of Using Cleaningdisk
36
Data of Housesewage Flow
37
anterior of Champaign Septic Tank
38
8
42
Amount of Stormwater
44
Runoff Data
47
Formulas for Stormwater Runoff
52
Expediency of Providing for Excessive Storms
56
SPECIFICATIONS CONTRACT ESTIMATE OF Cost
58
FLOW IN SEWERS ART PAGE 21 Fundamental Theories
60
Relative Cost and Capacity of Sewers Washington D C
64
46
65
p a R Velocity and Discharge for Different Depths of Sew
70
Limits of Velocity
73
Size of the Sewer
77
Shape of the Sewer
81
FLUSHING AND VENTILATION 25 Necessity for Flushing
85
Methods of Flushing
88
Appliances for Flushing
93
Necessity for Ventilation
95
Methods of Ventilation
97
COLLECTING THE DATA 30 Data Required
103
Surveying and Plotting
106
THE DESIGN 32 General Principles
111
Subdivision into Districts
116
Locating the Sewer Lines
117
Volume of Housesewage I 20
120
Volume of Stormsewage
122
Grade Size and Depth of Sewers
131
Calculation of Sewer Sizes for Minimum Grades
134
Pipe Sewers
166
Manholes Lampholes Flushtanks etc
171
Interceptors and Overflows
183
Inverted Siphons Subdrains Foundations
185
Definition and Classification of Specifications
190
Specifications for Materials
192
Excavation
198
Construction
202
Backfilling and Cleaning
212
General Provisions Payments
216
Contract 57 Estimate of Cost 58 Methods of Assessment 212 216
223
Prices and Weights Vitrified Clay Sewerpipe
227
CONSTRUCTION CHAPTER X PREPARING FOR CONSTRUCTION 59 Contract Work or Day Labor
237
Obtaining Bids
239
Engineering Work Preliminary to Construction
241
Other Preliminaries 237 239 241
242
LAYING OUT THE WORK 63 Lining Out Trenches
244
Giving Grade 244
245
OVERSIGHT AND MEASUREMENT OF WORK 65 Inspection of Work
252
Duties of the Engineer
254
Measurements
256
Final Inspection 252 254 256
260
PRACTICAL SEWER CONSTRUCTION 69 Organizing the Force
265
Trenching by Hand 71 Excavating Machinery
270
Sheathing
279
285
285
Laying Sewer Pipe
291
292
292
Building Masonry Sewers
297
Building Manholes and Other Appurtenances
306
ART PAGR
309
Handling Wet and Quicksand Trenches C
315
River Crossings and Outlets 328
328
Crossing Railroads and Canals
335
Requirements of Sanitary Housedrainage
341
Sewer MAINTENANCE
347
Cleaning
354
Composition of Sewage
361
Amount of Excremental Organic Matter in Sewage
362
Sewage Analyses
368
Analyses of Sewage of Several Cities
371
Aims of Treatment
374
Results of Treating Sewage with Lime
379
Precipitating Plants
388
Analyses of Sewage Sludge
394
Cost of Precipitation
396
Broad Irrigation
407
Cost of Irrigation and Filtration
418
Other Purification Methods
429
279
450
362
453
291
455
306
458
ILLUSTRATIONS
461
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