Ill. Admin. Code tit. 77, pt. 905, app A, ILLUSTRATION I, exh. A
Current through Register Vol. 48, No. 45, November 8, 2024
Trench length, maximum length from point of discharge into seepage trench | 100 feet |
Trench bottom, minimum width | 8 in. |
Trench bottom, maximum width | 36 in. |
Trench bottom, minimum depth | 18 in. |
Trench bottom, maximum depth | 36 in. |
Trench bottom, slope | level |
Distribution line, minimum diameter | 4 in. |
Distribution line, minimum earth cover | 6 in. |
Distribution line, maximum earth cover | 24 in. |
Distribution line, maximum slope | level |
Ill. Admin. Code tit. 77, pt. 905, app A, ILLUSTRATION I, exh. A