Ill. Admin. Code tit. 77, pt. 905, app A, ILLUSTRATION I, exh. D
Current through Register Vol. 49, No. 2, January 10, 2025
SPACING FOR SEEPAGE FIELD CONSTRUCTION
(GRAVELLESS AND CHAMBER SYSTEMS)
Gravelless and Chamber Dimensions | Minimum Center to Center Spacing of Distribution Lines |
8 Inch Inside Diameter of Gravelless Pipe System | 7.0 feet |
10 Inch Inside Diameter of Gravelless Pipe System | 7.0 feet |
12 Inch Wide Chamber System | 7.0 feet |
18 Inch Wide or Wider Chamber System | 9.0 feet |
Ill. Admin. Code tit. 77, pt. 905, app A, ILLUSTRATION I, exh. D