APPENDIX A

TABLES OF WATER-DISTRIBUTION SYSTEM PIPELINE CHARACTERISTICS,
DOVER TOWNSHIP AREA, NEW JERSEY, 1962–96

Table A-1. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19621

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

2,217

71.6

93.0

4,6,8,12

120

Cast iron (CI)

1950

53

1.6

2.1

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.1

2

130

Ductile iron (DI)

1950

77

2.4

3.1

6,8,12

130

Galvanized (GA)

1950

45

1.4

1.8

2

120

1Assumed in-service date for all pipelines is January 1, 1962.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 2,402

Total length of pipe segments in model network: 77.1 miles

Total number of pipe junctions (nodes) in model network: 2,272

Table A-2. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19631

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

2,535

81.4

93.3

4,6,8,10,12

120

Cast iron (CI)

1950

59

1.8

2.1

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.1

2

130

Ductile iron (DI)

1950

79

2.4

2.8

6,8,12

130

Galvanized (GA)

1950

45

1.4

1.6

2

120

Plastic (PVC)

1963

1

0.04

0.05

12

140

1Assumed in-service date for all pipelines is January 1, 1963.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 2,730

Total length of pipe segments in model network: 87.2 miles

Total number of pipe junctions (nodes) in model network: 2,571

Table A-3. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19641

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

2723

86.9

93.2

4,6,8,10,12

120

Cast iron (CI)

1950

60

1.8

1.9

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.1

2

130

Ductile iron (DI)

1950

86

2.9

3.1

6,8,12

130

Galvanized (GA)

1950

45

1.4

1.5

2

120

Plastic (PVC)

1963

1

0.04

0.04

12

140

1Assumed in-service date for all pipelines is January 1, 1964.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 3,068

Total length of pipe segments in model network: 93.2 miles

Total number of pipe junctions (nodes) in model network: 2,884

Table A-4. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19651

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

3,402

108.9

94.4

4,6,8,10,12

120

Cast iron (CI)

1950

63

1.8

1.6

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.1

2

130

Ductile iron (DI)

1950

89

2.9

2.5

6,8,12

130

Galvanized (GA)

1950

45

1.4

1.2

2

120

Plastic (PVC)

1963

2

0.2

0.2

12

140

1Assumed in-service date for all pipelines is January 1, 1965.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 3,613

Total length of pipe segments in model network: 115.3 miles

Total number of pipe junctions (nodes) in model network: 3,403

Table A-5. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19661

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

3,678

116.8

94.8

4,6,8,10,12

120

Cast iron (CI)

1950

63

1.8

1.5

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.1

2

130

Ductile iron (DI)

1950

89

2.9

2.4

6,8,12

130

Galvanized (GA)

1950

45

1.4

1.1

2

120

Plastic (PVC)

1963

2

0.2

0.2

12

140

1Assumed in-service date for all pipelines is January 1, 1966.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 3,892

Total length of pipe segments in model network: 123.2 miles

Total number of pipe junctions (nodes) in model network: 3,666

Table A-6. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19671

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

4,050

128.9

95.3

4,6,8,10,12,16

120

Cast iron (CI)

1950

63

1.8

1.3

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.1

2

130

Ductile iron (DI)

1950

89

2.9

2.1

6,8,12

130

Galvanized (GA)

1950

45

1.4

1.0

2

120

Plastic (PVC)

1963

2

0.2

0.1

12

140

1Assumed in-service date for all pipelines is January 1, 1967.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 4,267

Total length of pipe segments in model network: 135.3 miles

Total number of pipe junctions (nodes) in model network: 4,013

Table A-7. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19681

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
mode
lnetwork

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

4,371

138.6

95.4

4,6,8,10,12,16

120

Cast iron (CI)

1950

68

1.9

1.3

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.1

2

130

Ductile iron (DI)

1950

97

3.1

2.1

6,8,12

130

Galvanized (GA)

1950

45

1.4

1.0

2

120

Plastic (PVC)

1963

2

0.2

0.1

12

140

1Assumed in-service date for all pipelines is January 1, 1968.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 4,601

Total length of pipe segments in model network: 145.3 miles

Total number of pipe junctions (nodes) in model network: 4,327

Table A-8. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19691

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

4,868

150.9

95.3

4,6,8,10,12,16

120

Cast iron (CI)

1950

68

1.9

1.2

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.1

2

130

Ductile iron (DI)

1950

101

3.4

2.1

6,8,12

130

Galvanized (GA)

1950

45

1.4

0.9

2

120

Plastic (PVC)

1963

20

0.6

0.4

6,8,12

140

1Assumed in-service date for all pipelines is January 1, 1969.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 5,115

Total length of pipe segments in model network: 158.3 miles

Total number of pipe junctions (nodes) in model network: 4,808

Table A-9. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19701

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

5638

174.3

96.0

4,6,8,10,12,16

120

Cast iron (CI)

1950

68

1.9

1.0

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.1

2

130

Ductile iron (DI)

1950

98

3.2

1.8

6,8,12

130

Galvanized (GA)

1950

45

1.4

0.8

2

120

Plastic (PVC)

1963

24

0.7

0.4

6,12,16

140

1Assumed in-service date for all pipelines is January 1, 1970.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 5,891

Total length of pipe segments in model network: 181.6 miles

Total number of pipe junctions (nodes) in model network: 5,536

Table A-10. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19711

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

6,319

193.0

96.4

4,6,8,10,12,16

120

Cast iron (CI)

1950

68

1.9

0.9

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.05

2

130

Ductile iron (DI)

1950

98

3.2

1.6

6,8,12

130

Galvanized (GA)

1950

45

1.4

0.7

2

120

Plastic (PVC)

1963

24

0.7

0.3

6,12,16

140

1Assumed in-service date for all pipelines is January 1, 1971.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 6,584

Total length of pipe segments in model network: 200.3 miles

Total number of pipe junctions (nodes) in model network: 6,165

Table A-11. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19721

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

6,696

203.8

96.5

4,6,8,10,12,16

120

Cast iron (CI)

1950

75

2.0

0.9

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.05

2

130

Ductile iron (DI)

1950

98

3.2

1.6

6,8,12

130

Galvanized (GA)

1950

45

1.4

0.7

2

120

Plastic (PVC)

1963

24

0.7

0.3

6,12,16

140

1Assumed in-service date for all pipelines is January 1, 1972.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 6,970

Total length of pipe segments in model network: 211.2 miles

Total number of pipe junctions (nodes) in model network: 6,526

Table A-12. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19731

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

7,213

219.0

96.6

4,6,8,10,12,16

120

Cast iron (CI)

1950

75

2.0

0.9

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.04

2

130

Ductile iron (DI)

1950

108

3.5

1.5

6,8,12

130

Galvanized (GA)

1950

45

1.4

0.6

2

120

Plastic (PVC)

1963

24

0.7

0.3

6,12,16

140

Plastic (PE)

1973

1

0.01

0.0

2

140

1Assumed in-service date for all pipelines is January 1, 1973.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 7,488

Total length of pipe segments in model network: 226.7 miles

Total number of pipe junctions (nodes) in model network: 7,004

Table A-13. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19741

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

7,628

233.0

96.8

4,6,8,10,12,16

120

Cast iron (CI)

1950

76

2.0

0.8

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.04

2

130

Ductile iron (DI)

1950

108

3.5

1.5

6,8,12

130

Galvanized (GA)

1950

45

1.4

0.6

2

120

Plastic (PVC)

1963

24

0.7

0.3

6,12,16

140

Plastic (PE)

1973

1

0.01

0.0

2

140

1Assumed in-service date for all pipelines is January 1, 1974.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 7,904

Total length of pipe segments in model network: 240.7 miles

Total number of pipe junctions (nodes) in model network: 7,390

Table A-14. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19751

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

8,041

245.5

96.9

4,6,8,10,12,16

120

Cast iron (CI)

1950

77

2.0

0.8

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.04

2

130

Ductile iron (DI)

1950

109

3.5

1.4

6,8,12

130

Galvanized (GA)

1950

45

1.4

0.6

2

120

Plastic (PVC)

1963

24

0.7

0.3

6,12,16

140

Plastic (PE)

1973

1

0.01

0.0

2

140

1Assumed in-service date for all pipelines is January 1, 1975.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 8,320

Total length of pipe segments in model network: 253.3 miles

Total number of pipe junctions (nodes) in model network: 7,765

Table A-15. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19761

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

8,281

251.9

96.3

4,6,8,10,12,16

120

Cast iron (CI)

1950

77

2.0

0.8

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.04

2

130

Ductile iron (DI)

1950

142

5.1

1.9

6,8,12

130

Galvanized (GA)

1950

45

1.4

0.4

2

120

Plastic (PVC)

1963

24

0.7

0.3

6,12,16

140

Plastic (PE)

1973

5

0.1

0.04

2

140

1Assumed in-service date for all pipelines is January 1, 1976.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 8,565

Total length of pipe segments in model network: 259.7 miles

Total number of pipe junctions (nodes) in model network: 7,991

Table A-16. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19771

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

8,516

260.7

96.3

4,6,8,10,12,16

120

Cast iron (CI)

1950

77

2.0

0.7

2,4,6,6,10,12

130

Copper (CP)

1950

3

0.1

0.04

2

130

Ductile iron (DI)

1950

142

5.1

1.9

6,8,12

130

Galvanized (GA)

1950

45

1.4

0.4

2

120

Plastic (PVC)

1963

24

0.7

0.3

6,12,16

140

Plastic (PE)

1973

36

0.6

0.2

2

140

1Assumed in-service date for all pipelines is January 1, 1977.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 8,863

Total length of pipe segments in model network: 270.6 miles

Total number of pipe junctions (nodes) in model network: 8,262

Table A-17. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19781

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

8,983

273.3

96.3

4,6,8,10,12,16

120

Cast iron (CI)

1950

77

2.0

0.7

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.04

2

130

Ductile iron (DI)

1950

159

5.4

1.9

6,8,12

130

Galvanized (GA)

1950

45

1.4

0.5

2

120

Plastic (PVC)

1963

24

0.7

0.2

6,12,16

140

Plastic (PE)

1973

52

0.9

0.3

2

140

1Assumed in-service date for all pipelines is January 1, 1978.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 9,363

Total length of pipe segments in model network: 283.8 miles

Total number of pipe junctions (nodes) in model network: 8,718

Table A-18. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19791

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

9,295

283.3

95.9

4,6,8,10,12,16

120

Cast iron (CI)

1950

77

2.0

0.7

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.03

2

130

Ductile iron (DI)

1950

167

5.5

1.9

6,8,12

130

Galvanized (GA)

1950

45

1.4

0.5

2

120

Plastic (PVC)

1963

26

0.9

0.2

6,12,16

140

Plastic (PE)

1973

101

2.0

2.0

2

140

1Assumed in-service date for all pipelines is January 1, 1979.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 9,733

Total length of pipe segments in model network: 295.2 miles

Total number of pipe junctions (nodes) in model network: 9,056

Table A-19. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19801

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

9,431

287.7

95.7

4,6,8,10,12,16

120

Cast iron (CI)

1950

77

2.0

0.7

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.03

2

130

Ductile iron (DI)

1950

167

5.5

1.8

6,8,12

130

Galvanized (GA)

1950

45

1.4

0.5

2

120

Plastic (PVC)

1963

33

1.3

0.4

6,8,12,16

140

Plastic (PE)

1973

124

2.4

0.8

2

140

1Assumed in-service date for all pipelines is January 1, 1980.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 9,904

Total length of pipe segments in model network: 300.5 miles

Total number of pipe junctions (nodes) in model network: 9,212

Table A-20. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19811

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

9,495

289.7

93.8

4,6,8,10,12,16

120

Cast iron (CI)

1950

77

2.0

0.6

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.03

2

130

Ductile iron (DI)

1950

167

5.5

1.8

6,8,12

130

Galvanized (GA)

1950

45

1.4

0.5

2

120

Plastic (PVC)

1963

235

7.2

2.3

6,8,12,16

140

Plastic (PE)

1973

146

2.7

0.9

2

140

Plastic (IPS)

1981

10

0.1

0.03

2

140

1Assumed in-service date for all pipelines is January 1, 1981.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 10,199

Total length of pipe segments in model network: 308.8 miles

Total number of pipe junctions (nodes) in model network: 9,490

Table A-21. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19821

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

9,505

289.8

92.1

4,6,8,10,12,16

120

Cast iron (CI)

1950

77

2.0

0.6

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.03

2

130

Ductile iron (DI)

1950

167

5.5

1.7

6,8,12

130

Galvanized (GA)

1950

45

1.4

0.4

2

120

Plastic (PVC)

1963

378

12.4

3.9

6,8,12,16

140

Plastic (PE)

1973

172

3.2

1.0

2

140

Plastic (IPS)

1981

10

0.1

0.03

2

140

1Assumed in-service date for all pipelines is January 1, 1982.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 10,370

Total length of pipe segments in model network: 314.6miles

Total number of pipe junctions (nodes) in model network: 9,646

Table A-22. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19831

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

9,505

289.8

89.5

4,6,8,10,12,16

120

Cast iron (CI)

1950

77

2.0

0.6

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.03

2

130

Ductile iron (DI)

1950

168

5.5

1.7

6,8,12

130

Galvanized (GA)

1950

45

1.4

0.4

2

120

Plastic (PVC)

1963

672

21.0

6.5

2,6,8,12,16

140

Plastic (PE)

1973

202

3.9

1.2

2

140

Plastic (IPS)

1981

10

0.1

0.03

2

140

1Assumed in-service date for all pipelines is January 1, 1983.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 10,697

Total length of pipe segments in model network: 323.9 miles

Total number of pipe junctions (nodes) in model network: 9,944

Table A-23. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19841

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

9,505

289.8

85.3

4,6,8,10,12,16

120

Cast iron (CI)

1950

77

2.0

0.6

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.03

2

130

Ductile iron (DI)

1950

178

5.9

1.7

6,8,12,16

130

Galvanized (GA)

1950

45

1.4

0.4

2

120

Plastic (PVC)

1963

1,193

35.3

10.4

2,6,8,12,16

140

Plastic (PE)

1973

250

5.1

1.5

2

140

Plastic (IPS)

1981

10

0.1

0.03

2

140

1Assumed in-service date for all pipelines is January 1, 1984.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 11,276

Total length of pipe segments in model network: 339.8 miles

Total number of pipe junctions (nodes) in model network: 10,488

Table A-24. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19851

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

9,505

289.8

81.8

4,6,8,10,12,16

120

Cast iron (CI)

1950

77

2.0

0.6

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.03

2

130

Ductile iron (DI)

1950

181

6.0

1.7

6,8,12,16

130

Galvanized (GA)

1950

45

1.4

0.4

2

120

Plastic (PVC)

1963

1,675

48.8

13.8

2,6,8,12,16

140

Plastic (PE)

1973

276

5.9

1.7

2

140

Plastic (IPS)

1981

10

0.1

0.03

2

140

1Assumed in-service date for all pipelines is January 1, 1985.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 11,782

Total length of pipe segments in model network: 354.1 miles

Total number of pipe junctions (nodes) in model network: 10,962

Table A-25. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19861

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

9,505

289.8

73.3

4,6,8,10,12,16

120

Cast iron (CI)

1950

77

2.0

0.5

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.03

2

130

Ductile iron (DI)

1950

187

6.2

1.6

6,8,12,16

130

Galvanized (GA)

1950

45

1.4

0.4

2

120

Plastic (PVC)

1963

3,065

90.0

22.8

2,4,6,8,12,16

140

Plastic (PE)

1973

277

5.9

1.5

2

140

Plastic (IPS)

1981

10

0.1

0.03

2

140

1Assumed in-service date for all pipelines is January 1, 1986.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 13,180

Total length of pipe segments in model network: 395.5 miles

Total number of pipe junctions (nodes) in model network: 12,292

Table A-26. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19871

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

9,505

289.8

71.3

4,6,8,10,12,16

120

Cast iron (CI)

1950

77

2.0

0.5

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.02

2

130

Ductile iron (DI)

1950

188

6.2

1.5

6,8,12,16

130

Galvanized (GA)

1950

45

1.4

0.3

2

120

Plastic (PVC)

1963

3,331

100.7

24.8

2,4,6,8,12,16

140

Plastic (PE)

1973

278

5.9

1.5

2

140

Plastic (IPS)

1981

10

0.1

0.02

2

140

1Assumed in-service date for all pipelines is January 1, 1987.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 13,447

Total length of pipe segments in model network: 406.2 miles

Total number of pipe junctions (nodes) in model network: 12,545

Table A-27. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19881

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

9,505

289.8

67.9

4,6,8,10,12,16

120

Cast iron (CI)

1950

78

2.0

0.5

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.02

2

130

Ductile iron (DI)

1950

192

6.2

1.5

6,8,12,16

130

Galvanized (GA)

1950

45

1.4

0.3

2

120

Plastic (PVC)

1963

3,932

121.0

28.4

2,4,6,8,12,16

140

Plastic (PE)

1973

279

6.0

1.4

2

140

Plastic (IPS)

1981

10

0.1

0.02

2

140

1Assumed in-service date for all pipelines is January 1, 1988.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 14,050

Total length of pipe segments in model network: 426.6 miles

Total number of pipe junctions (nodes) in model network: 13,114

Table A-28. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19891

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

9,505

289.8

66.0

4,6,8,10,12,16

120

Cast iron (CI)

1950

78

2.0

0.5

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.02

2

130

Ductile iron (DI)

1950

193

6.3

1.4

6,8,12,16

130

Galvanized (GA)

1950

45

1.4

0.3

2

120

Plastic (PVC)

1963

4,408

133.5

30.4

2,4,6,8,12,16

140

Plastic (PE)

1973

280

6.0

1.4

2

140

Plastic (IPS)

1981

10

0.1

0.02

2

140

1Assumed in-service date for all pipelines is January 1, 1989.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 14,528

Total length of pipe segments in model network: 439.2 miles

Total number of pipe junctions (nodes) in model network: 13,543

Table A-29. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19901

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

9,505

289.8

65.4

4,6,8,10,12,16

120

Cast iron (CI)

1950

78

2.0

0.5

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.02

2

130

Ductile iron (DI)

1950

193

6.3

1.4

6,8,12,16

130

Galvanized (GA)

1950

45

1.4

0.3

2

120

Plastic (PVC)

1963

4,510

137.4

31.0

2,4,6,8,12,16

140

Plastic (PE)

1973

280

6.0

1.4

2

140

Plastic (IPS)

1981

10

0.1

0.02

2

140

1Assumed in-service date for all pipelines is January 1, 1990.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 14,629

Total length of pipe segments in model network: 443.1 miles

Total number of pipe junctions (nodes) in model network: 13,632

Table A-30. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19911

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

9,505

289.8

64.7

4,6,8,10,12,16

120

Cast iron (CI)

1950

78

2.0

0.4

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.02

2

130

Ductile iron (DI)

1950

193

6.3

1.4

6,8,12,16

130

Galvanized (GA)

1950

45

1.4

0.3

2

120

Plastic (PVC)

1963

4,646

142.2

31.7

2,4,6,8,12,16

140

Plastic (PE)

1973

280

6.0

1.3

2

140

Plastic (IPS)

1981

10

0.1

0.02

2

140

1Assumed in-service date for all pipelines is January 1, 1991.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 14,773

Total length of pipe segments in model network: 447.9 miles

Total number of pipe junctions (nodes) in model network: 13,770

Table A-31. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19921

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

9,505

289.8

64.2

4,6,8,10,12,16

120

Cast iron (CI)

1950

78

2.0

0.4

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.02

2

130

Ductile iron (DI)

1950

193

6.3

1.4

6,8,12,16

130

Galvanized (GA)

1950

45

1.4

0.3

2

120

Plastic (PVC)

1963

4,746

145.4

32.2

2,4,6,8,12,16

140

Plastic (PE)

1973

280

6.0

1.3

2

140

Plastic (IPS)

1981

10

0.1

0.02

2

140

1Assumed in-service date for all pipelines is January 1, 1992.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 14,874

Total length of pipe segments in model network: 451.2 miles

Total number of pipe junctions (nodes) in model network: 13,863

Table A-32. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19931

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

9,505

289.8

63.2

4,6,8,10,12,16

120

Cast iron (CI)

1950

78

2.0

0.4

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.02

2

130

Ductile iron (DI)

1950

193

6.3

1.4

6,8,12,16

130

Galvanized (GA)

1950

45

1.4

0.3

2

120

Plastic (PVC)

1963

4,986

152.5

33.3

2,4,6,8,12,16

140

Plastic (PE)

1973

280

6.0

1.3

2

140

Plastic (IPS)

1981

10

0.1

0.02

2

140

1Assumed in-service date for all pipelines is January 1, 1993.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 15,112

Total length of pipe segments in model network: 458.2 miles

Total number of pipe junctions (nodes) in model network: 14,083

Table A-33. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19941

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

9,505

289.8

62.1

4,6,8,10,12,16

120

Cast iron (CI)

1950

78

2.0

0.4

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.02

2

130

Ductile iron (DI)

1950

194

6.3

1.3

6,8,12,16

130

Galvanized (GA)

1950

45

1.4

0.3

2

120

Plastic (PVC)

1963

5,316

161.1

34.5

2,4,6,8,12,16

140

Plastic (PE)

1973

280

6.0

1.3

2

140

Plastic (IPS)

1981

10

0.1

0.02

2

140

1Assumed in-service date for all pipelines is January 1, 1994.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 15,444

Total length of pipe segments in model network: 466.9 miles

Total number of pipe junctions (nodes) in model network: 14,402

Table A-34. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19951

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

9,505

289.8

61.3

4,6,8,10,12,16

120

Cast iron (CI)

1950

78

2.0

0.4

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.02

2

130

Ductile iron (DI)

1950

194

6.3

1.3

6,8,12,16

130

Galvanized (GA)

1950

45

1.4

0.3

2

120

Plastic (PVC)

1963

5,560

166.9

35.3

2,4,6,8,12,16

140

Plastic (PE)

1973

280

6.0

1.3

2

140

Plastic (IPS)

1981

10

0.1

0.02

2

140

1Assumed in-service date for all pipelines is January 1, 1995.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 15,688

Total length of pipe segments in model network: 472.7 miles

Total number of pipe junctions (nodes) in model network: 14,629

Table A-35. Water-distribution system pipeline characteristics, Dover Township area, New Jersey, 19961

Pipe material
(model identification)2

Year
pipeline
first
installed

Numer of pipe
segments in
model
network

Length of pipe
segments in model
network
(miles)

Percentage of total
model network by
length
(percent)

Range of pipe
diameters in
model network
(inches)

Value of Hazen-
Williams "C-Factor"
used in model3
(dimensionless)

Asbestos cement (AC)

1950

9,505

289.8

60.1

4,6,8,10,12,16

120

Cast iron (CI)

1950

78

2.0

0.4

2,4,6,8,10,12

130

Copper (CP)

1950

3

0.1

0.02

2

130

Ductile iron (DI)

1950

194

6.3

1.3

6,8,12,16

130

Galvanized (GA)

1950

45

1.4

0.3

2

120

Plastic (PVC)

1963

5,920

176.4

36.6

2,4,6,8,12,16

140

Plastic (PE)

1973

280

6.0

1.2

2

140

Plastic (IPS)

1981

10

0.1

0.02

2

140

1Assumed in-service date for all pipelines is January 1, 1996.

2Data for pipe material, year first installed, year last installed, and range of pipe diameters from Flegal (1997).

3From Rossman (2000, Table 3.2).

 

Additional information

Total number of pipe segments (links) in model network: 16,048

Total length of pipe segments in model network: 482.1 miles

Total number of pipe junctions (nodes) in model network: 14,965