TABLE 2 Minimum Specified Time Required for a 0.5 psig Pressure
Drop for Size and Length of Pipe Indicated for Q = 0.0015
| |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Note - Consult with pipe and appurtenance manufacturer for maximum
test pressure for pipe size greater than 30 inches in diameter.
| |||||||||||
Pipe Diameter
(in)
|
Minimum Time
(min:sec)
|
Length for Minimum Time
(ft)
|
Time for Longer Length
(sec)
|
Specification Time for Length (L) Shown (min:sec)
| |||||||
100 ft
|
150 ft
|
200 ft
|
250 ft
|
300 ft
|
350 ft
|
400 ft
|
450 ft
| ||||
4
|
1:53
|
597
|
0.190 L
|
1:53
|
1:53
|
1:53
|
1:53
|
1:53
|
1:53
|
1:53
|
1:53
|
6
|
2:50
|
398
|
0.427 L
|
2:50
|
2:50
|
2:50
|
2:50
|
2:50
|
2:50
|
2:51
|
3:12
|
8
|
3:47
|
298
|
0.760 L
|
3:47
|
3:47
|
3:47
|
3:47
|
3:48
|
4:26
|
5:04
|
5:42
|
10
|
4:43
|
239
|
1.187 L
|
4:43
|
4:43
|
4:43
|
4:57
|
5:56
|
6:55
|
7:54
|
8:54
|
12
|
5:40
|
199
|
1.709 L
|
5:40
|
5:40
|
5:42
|
7:08
|
8:33
|
9:58
|
11:24
|
12:50
|
15
|
7:05
|
159
|
2.671 L
|
7:05
|
7:05
|
8:54
|
11:08
|
13:21
|
15:35
|
17:48
|
20:02
|
18
|
8:30
|
133
|
3.846 L
|
8:30
|
9:37
|
12:49
|
16:01
|
19:14
|
22:26
|
25:38
|
28:51
|
21
|
9:55
|
114
|
5.235 L
|
9:55
|
13:05
|
17:27
|
21:49
|
26:11
|
30:32
|
34:54
|
39:16
|
24
|
11:20
|
99
|
6.837 L
|
11:24
|
17:57
|
22:48
|
28:30
|
34:11
|
39:53
|
45:35
|
51:17
|
27
|
12:45
|
88
|
8.653 L
|
14:25
|
21:38
|
28:51
|
36:04
|
43:16
|
50:30
|
57:42
|
64:54
|
30
|
14:10
|
80
|
10.683 L
|
17:48
|
26:43
|
35:37
|
44:31
|
53:25
|
62:19
|
71:13
|
80:07
|
33
|
15:35
|
72
|
12.926 L
|
21:33
|
32:19
|
43:56
|
53:52
|
64:38
|
75:24
|
86:10
|
96:57
|
36
|
17:00
|
66
|
15.384 L
|
25:39
|
38:28
|
51:17
|
64:06
|
76:55
|
89:44
|
102:34
|
115:23
|
Sewer Size
(inches)
|
Minimum Slopes
(feet/feet)
|
---|---|
8
|
0.0050
|
10
|
0.0028
|
12
|
0.0022
|
15
|
0.0015
|
18
|
0.0012
|
21
|
0.0010
|
24
|
0.0008
|
27
|
0.00067
|
30
|
0.00058
|
36
|
0.00046
|
TABLE 1: Minimum Test Times for Various Manhole Diameters in
Seconds
| |||
---|---|---|---|
Manhole Depth
(feet)
|
Manhole Diameter
(in)
| ||
48
|
60
|
72
| |
Time
(seconds)
| |||
<4
|
10
|
13
|
16
|
6
|
15
|
20
|
25
|
8
|
20
|
26
|
33
|
10
|
25
|
33
|
41
|
12
|
30
|
39
|
49
|
14
|
35
|
46
|
57
|
16
|
40
|
52
|
67
|
18
|
45
|
59
|
73
|
20
|
50
|
65
|
81
|
22
|
55
|
72
|
89
|
24
|
59
|
78
|
97
|
26
|
64
|
85
|
105
|
28
|
69
|
91
|
113
|