§ 57.037 CERTIFICATION.
   It shall be the responsibility of the pipe manufacturers to certify that pipe and joint materials furnished are capable of meeting the low pressure air test, infiltration test, and exfiltration test and are manufactured in conformance with the A.S.T.M., A.N.S.I., AWWA, or A.A.S.H.T.O. test(s) specified.
   (A)   Air test table. Based on equations from A.S.T.M. C 828.
   (B)   Specification time (min:sec) required for pressure drop from three and one-half to two and one- half psig when testing one pipe diameter only.
   (C)   Pipe diameter, inches:
LENGTH OF LINE, FEET
4
6
8
10
12
15
18
21
24
25
0:04
0:10
0:18
0:28
0:40
1:02
1:29
2:01
2:38
50
0:09
0:20
0:35
0:55
1:19
2:04
2:58
4:03
5:17
75
0:13
0:30
0:53
1:23
1:59
3:06
4:27
6:04
7:55
100
0:18
0:40
1:10
1:50
2:38
4:08
5:56
8:05
10:34
125
0:22
0:50
1:28
2:18
3:18
5:09
7:26
9:55
11:20
150
0:26
0:59
1:46
2:45
3:58
6:11
8:30
175
0:31
1:09
2:03
3:13
4:37
7:05
 
LENGTH OF LINE, FEET
4
6
8
10
12
15
18
21
24
200
0:35
1:19
2:21
3:40
5:17
12:06
225
0:40
1:29
2:38
4:08
5:40
10:25
13:36
250
0:44
1:39
2:56
4:35
8:31
11:35
15:07
275
0:48
1:49
3:14
4:43
9:21
12:44
16:38
300
0:53
1:59
3:31
10:12
13:53
18:09
350
1:02
2:19
3:47
8:16
11:54
16:12
21:10
400
1:10
2:38
6:03
9:27
13:36
18:31
24:12
450
1:19
2:50
6:48
10:38
15:19
20:50
27:13
500
1:28
5:14
7:34
11:49
17:01
23:09
30:14
 
(Ord. 07-57, passed 12-17-2007)