Ill. Admin. Code tit. 35, pt. 370, subpt. L, app C
SPECIFICATION TIME (MIN:SEC) REQUIRED FOR PRESSURE DROP FROM 31/2 TO 21/2 PSIG WHEN TESTING ONE PIPE DIAMETER ONLY | |||||||||
Length of Sewer Pipe In Feet | |||||||||
PIPE DIAMETER, INCHES | |||||||||
4 | 6 | 8 | 10 | 12 | 15 | 18 | 21 | 24 | |
25 | 0:04 | 0:10 | 0:28 | 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 | |||
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 | ||
*From Standard Specifications for Water and Sewer Main Construction in Illinois, Fourth Edition, May, 1986. (Copies may be obtained from Illinois Society of Professional Engineers, Springfield, Illinois 62704.)
Ill. Admin. Code tit. 35, pt. 370, subpt. L, app C