AWWA M22 2024 4ed

$75.29

AWWA Manual M22 Sizing Water Service Lines and Meters, Fourth Edition

Published By	Publication Date	Number of Pages
AWWA	2024

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Category: AWWA

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Description

This fourth edition of M22 provides a new approach for sizing residential water meters and adjusts the sizing curves for nonresidential meters.

PDF Catalog

PDF Pages	PDF Title
14	Chapter 1 Introduction OVERVIEW M22 TARGET AUDIENCE
15	UPDATES
16	CONSIDERATIONS WHEN SIZING WATER METERS AND SERVICE LINES
18	REFERENCES
20	Chapter 2 Consumer Water Demands, Trends, and Considerations INTRODUCTION
21	WATER-USE TRENDS
22	Table 2-1 National fixture standards and specifications
24	WATER USE PATTERNS Table 2-2 Per-capita residential indoor use
25	REFERENCES Table 2-3 �Average per-account consumption and monthly peaking factors* for selected customer types in Oakland, Calif., area and Westminster, Colo.†
28	Chapter 3 Demand Profiling for Optimal Meter Sizing ACCURATELY MEASURING CUSTOMER USAGE
31	RECORDER DESIGN
32	Figure 3-2 �Flow recorder (right) collecting and storing a demand profile from a 3-in. water meter (left)
34	Table 3-1 Meter maximum flowrate range example
36	Figure 3-4 Compound adapter and sensor Figure 3-3 Depiction of 4-min and 1-min data storage intervals
37	Figure 3-5 Recording demand profiles from large compound meters may require an adapter.
38	RECORDING DATA
39	Figure 3-6 Verification of data accuracy
40	Figure 3-7 Data presentation options
41	USING CUSTOMER USAGE DATA Figure 3-8 Flow data from an apartment building served by oversized 8-in. turbo meter
42	REFERENCES
44	Chapter 4 Estimating Peak Water Demands for Service Lines and Meters INTRODUCTION
47	ESTIMATING PEAK DEMAND FOR NONRESIDENTIAL BUILDINGS
80	Chapter 5 Service-Line Sizing INTRODUCTION
81	DATA REQUIRED
83	HEAD LOSS
85	Table 5-1 Actual internal diameter versus nominal diameter
87	Table 5-2 Minor loss k-values
89	Table 5-3 Minor loss through meters
93	Figure 5-1 Head loss versus flow rate curves
95	Table 5-4 Minor loss through backflow prevention assemblies
96	PERFORMING SIZING CALCULATIONS
97	Figure 5-2 Head loss from water main to customer
98	Figure 5-3 Steps for determining pipe, meter, and other fitting sizes
100	Figure 5-4 Compound-meter pressure drop versus flow curves
101	Figure 5-5 RPBP assembly pressure drop versus flow curves
102	Table 5-5 Service-line sizing calculation spreadsheet (L = 200 ft, Q = 75 gpm)
103	REFERENCES
104	Chapter 6 Meter Sizing INTRODUCTION REVENUE IMPLICATIONS
105	SYSTEM COMPONENTS POLICY REVIEW
106	WATER METER SELECTION
107	Table 6-1 Minor loss through meters
110	Table 6-2 Typical uses for each type of meter classification
111	METER ARRANGEMENTS FOR FIRE SERVICES
116	SUMMARY REFERENCES
118	Appendix A Software to Size a Meter INTRODUCTION
119	SUMMARY OF SOFTWARE OPERATION SETUP
120	SIZING A METER
121	Figure A-2 Customer information screen (sample from MeterSizer®)
122	Figure A-4 Graphical analysis screen (sample from MeterSizer®) Figure A-3 Initial results screen (sample from MeterSizer®)
124	Appendix B Flow Friction Loss Tables
125	Table B-1 Copper water tube properties—C=130—¾ in. nominal diameter Table B-2 Copper water tube properties—C=130—1 in. nominal diameter
126	Table B-3 Copper water tube properties—C=130—1¼ in. nominal diameter Table B-4 Copper water tube properties—C=130—1½ in. nominal diameter
127	Table B-5 Copper water tube properties—C=130—2 in. nominal diameter Table B-6 Copper water tube properties—C=130—2½ in. nominal diameter
128	Table B-7 Copper water tube properties—C=130—3 in. nominal diameter Table B-8 Copper water tube properties—C=130—3½ in. nominal diameter
129	Table B-9 copper water tube properties—C=130—4 in. nominal diameter
130	Table B-10 Copper water tube properties—C=130—5 in. nominal diameter Table B-11 Copper water tube properties—C=130—6 in. nominal diameter
131	Table B-12 Copper water tube properties—C=130—8 in. nominal diameter Table B-13 Polyvinyl chloride (PVC) pipe—C=130—¾ in. nominal diameter
132	Table B-14 Polyvinyl chloride (PVC) pipe—C=130—1 in. nominal diameter
133	Table B-15 Polyvinyl chloride (PVC) pipe—C=130—1¼ in. nominal diameter Table B-16 Polyvinyl chloride (PVC) pipe—C=130—1½ in. nominal diameter
134	Table B-17 Polyvinyl chloride (PVC) pipe—C=130—2 in. nominal diameter Table B-18 Polyvinyl chloride (PVC) pipe—C=130—2½ in. nominal diameter
135	Table B-19 Polyvinyl chloride (PVC) pipe—C=130—3 in. nominal diameter
136	Table B-20 Polyvinyl chloride (PVC) pipe—C=130—3½ in. nominal diameter Table B-21 Polyvinyl chloride (PVC) pipe—C=130—4 in. nominal diameter
137	Table B-22 Polyvinyl chloride (PVC) pipe—C=130—5 in. Nominal Diameter
138	Table B-23 Polyvinyl chloride (PVC) pipe—C=130—6 in. nominal diameter
139	Table B-24 Polyvinyl chloride (PVC) pipe—C=130—8 in. nominal diameter
140	Table B-25 Polyethylene pipe—C=130—¾ in. nominal diameter Table B-26 Polyethylene pipe—C=130—1 in. nominal diameter
141	Table B-27 Polyethylene pipe—C=130—1¼ in. nominal diameter
142	Table B-28 Polyethylene pipe—C=130—1½ in. nominal diameter Table B-29 Polyethylene pipe—C=130—2 in. nominal diameter
143	Table B-30 Polyethylene pipe—C=130—3 in. nominal diameter
144	Table B-31 Cross-linked polyethylene (PEX) pipe—C=130—½ in. nominal diameter, 0.625 Table B-32 Cross-linked polyethylene (PEX) pipe—C=130—⅝ in. nominal diameter, 0.75 Table B-33 Cross-linked polyethylene (PEX) pipe—C=130—¾ in. nominal diameter, 0.875
145	Table B-34 Cross-linked polyethylene (PEX) pipe—C=130—1 in. nominal diameter, 1.125
146	Table B-35 Cross-linked polyethylene (PEX) pipe—C=130—1¼ in. nominal diameter, 1.375 Table B-36 Cross-linked polyethylene (PEX) pipe—C=130—1½ in. nominal diameter, 1.625
147	Table B-37 Cross-linked polyethylene (PEX) pipe—C=130—2 in. nominal diameter, 2.125
148	Table B-38 Cross-linked polyethylene (PEX) pipe—C=130—2½ in. nominal diameter, 2.625 Table B-39 Cross-linked polyethylene (PEX) pipe—C=130—3 in. nominal diameter, 3.125
149	REFERENCES