Recommended Minimum Requirements for Plumbing: Report of Subcommittee on Plumbing of the Building Code Committee

Front Cover
U.S. Government Printing Office, 1929 - Plumbing - 280 pages
 

Contents

Present status of plumbing regulations_
11
Supervision of plumbing inspection__
12
Basic plumbing principles
13
CHAPTER 4RECOMMENDED PLUMBING CODE
17
Definitions of terms
18
Main_
19
General regulations នននននននន Sec 19 Grades of horizontal piping Sec 20 Change in direction Sec 21 Prohibited fittings_ Sec 22 Dead ends __ Sec 23 Pr...
20
III
21
Sheet lead___
22
Soldering nipples and bushings
23
Joints and connections_ _ _
24
Increasers and reducers
25
Traps and clean outs
26
Trap levels and protection_
27
Water supply and distribution
28
Watersupply pipes and fittingsmaterial_
29
Plumbing fixtures
30
Ventilation of rooms and fixtures_
31
Soil waste and vent pipes
32
Soil and waste stacks fixture connections____
33
Distance of vent from trap seal_
34
Branch and individual vents__
35
House drains and sewers_
36
Material___
37
Combined storm and sanitary sewer systems
38
Motors compressors etc
39
Stormwater drains
40
Defective conductor pipes___
41
Refrigerator safe and special wastes
42
Maintenance_
43
Inspections and tests
44
b Air test __
45
Defective work____
46
EXPERIMENTAL INVESTIGATIONS STANDARDIZATION AD MINISTRATION AND COMMENTS Chapter 5 Experimental investigations
47
Unit of fixture discharge
48
Peak loads in house drainage systems
49
Capacities of house drains
50
Characteristics of fall of water in partially filled stacks
51
Vent requirements
52
Running trap
53
Effect of wind blowing over stack tops
54
Physics of plumbing systems Report of experimental
60
Photograph of fixturerating apparatus___ facing
62
Detailed section of fixturerating apparatus_
63
Plotted reproduction of dischargetime curve
64
Typical derivative curve for fixture discharge rate of discharge against time
65
Experimental system for rating watercloset discharges_
67
Experimental supply and discharge systems for rating waterclosets__
74
2025 Discharge curves for typical watercloset installations 7577
75
Supply line used for flush valves in rating watercloset discharges_
77
2738 Discharge curves for typical watercloset installations___ 7888
78
Supply tanks at top of stack for determining the capacity of fittings and stack
102
Pitot tube for measuring velocity of water at base of stack_
107
Chart for determining permissible length of main vent for a 3inch soil or waste stacks of known capacity
123
Experimental rain leader system_
125
Submerged outfall of house sewer
127
Apparatus for producing air current over stack top
128
Illustration of trail discharge from a flat bottom fixture_
131
selfsiphonage
132
Fixture and waste pipe to study effect of inclined waste pipe on self siphonage
135
pipes
138
Diagram to illustrate the effect of horizontal waste pipe on velocity and scour
139
Diagram to illustrate the effect of a vertical section of waste pipe on velocity and scour_
140
Diagram to illustrate type of venting liable to clog
142
Diagram to illustrate type of venting least liable to clog
143
Diagram to illustrate type of group venting in which vent is protected from clogging
144
Diagram to illustrate type of group venting in which the vent is pro tected___
145
Physics of plumbing systemsContinued Page
146
Diagram to illustrate type of yoke venting tending to increase the capacity of a system__
149
Diagram to illustrate type of yoke venting applied to larger toilet rooms
150
Arrangement of bathroom group of fixtures tested__
153
Illustration crowfoot fittings___
154
Arrangement of bathroom and kitchensink group tested_
155
Arrangement of stackvented bathroom group tested
156
Alternate arrangement of bathroom and kitchensink group tested___
157
Arrangement of stackvented bathroom and kitchensink group tested
158
Experimental plumbing system showing arrangement of pipes and location of fixtures___
165
Return bend used in house sewer_
166
Experimental plumbing system showing arrangement of pipes and location of fixtures____
169
Change in arrangement of basement fixtures of Figure 78
172
Experimental plumbing system erected for demonstration purposes
174
Recommended construction details
177
Approved design for stack and group vented fixtures__
178
Approved design showing one alternative arrangement of waste pipes for Figure 82_ _ _ _
179
Approved design for stackvented and groupvented fixtures_
180
Approved design for lower floor__
181
Approved design for duplex bathroom group
182
Approved venting for lavatory and watercloset_
183
Approved forms of venting single fixtures___
184
Types of onestory onefamily houses showing required venting
185
Types of twostory onefamily houses showing required venting
186
Types of twostory twofamily houses showing required venting
187
Sizes of soil waste and vent pipes in plumbing systems___
188
Relation of peak load to total number of fixture units___
192
Relation between soil and vent stack
200
Vent chart for 3inch soil stack__
202
Vent chart for 5inch soil stack
203
Standardization of plumbing materials
206
Explanatory notes and comments
212
Explanatory notes and commentsContinued Page
219
APPENDICES
225
A study of air currents in a horizontal waste pipe_
241
Arrangement of piping for the study of air currents in horizontal
242
Experiment F Evaporation of water in a 1½inch horizontal branch
250
Standard specifications of the American Society for Test
253

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Page 274 - Inspector, free of cost, all reasonable facilities to satisfy him that the rivets are being furnished in accordance with these specifications. All tests and inspection shall be made at the place of manufacture, prior to shipment, unless otherwise specified, and shall be so conducted as not to interfere unnecessarily with the operation of the works.
Page 280 - ... works which concern the manufacture of the material ordered. The manufacturer shall afford the inspector, free of cost, all reasonable facilities to satisfy him that the material is being furnished in accordance with these specifications. All tests (except check analyses) and inspection shall be made at the place of manufacture prior to shipment, unless otherwise specified, and shall be so conducted as not to interfere unnecessarily with the operation of the works.
Page 277 - Samples so prepared shall be divided into three equal parts, each of which shall be placed in a sealed package, one for the manufacturer, one for the purchaser, and one for an umpire, if necessary.
Page 256 - A plaster-of-Paris filet 1 in. wide shall be cast along the length of the crown of the pipe to equalize the lower bearing before the upper one is brought into contact. Both of the bearings shall be sufficiently rigid to transmit and receive uniform loads throughout their lengths without deflection, and shall be so attached to the machine as to transmit and receive the maximum stresses produced by the tests without lost motion, vibration or sudden shock.
Page 265 - ... tons or fraction thereof above this amount. In case of a change of mixture during the heat, one set of two bars shall also be cast for every mixture other than the regular one. Each set of two bars is to go into a single mold. The bars shall not be rumbled or otherwise treated, being simply brushed off before testing.
Page 256 - The test load shall be applied through the upper bearing block in such a way as to leave the bearing free to move in a vertical plane passing midway between the lower bearings. In testing a pipe which is "out of straight...
Page 6 - LO Howard, chief of the Bureau of Entomology of the United States Department of Agriculture, and...
Page 36 - Old house sewers and drains may be used in connection with new buildings or new plumbing only when they are found, on examination and test, to conform in all respects to the requirements governing new sewers or drains, as prescribed in this code.
Page 46 - The air test shall be used in testing the sanitary condition of the drainage or plumbing system of all buildings where there is reason to believe that it has become defective. In buildings...
Page 18 - A trap is a fitting or device so constructed as to prevent the passage of air or gas through a pipe without materially affecting the flow of sewage or waste water through it. Trap seal.

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