35 Ill. Adm. Code 817.408
Leachate Collection System
Section 817
Section 817.408Â Leachate
Collection System
a)Â Â Â Â Â Â Â Â The leachate collection system shall be designed and
constructed to function for the entire design period.
b)Â Â Â Â Â Â Â Â Collection pipes shall be designed for open channel flow to
convey leachate under the conditions established in Section 817.407(b).
c)Â Â Â Â Â Â Â Â Collection pipes shall be of a cross-sectional area that
allows cleaning.
d)Â Â Â Â Â Â Â Â Materials used in the leachate collection system shall be
chemically resistant to the waste and the leachate expected to be produced.
e)Â Â Â Â Â Â Â Â The collection pipe material and bedding materials as placed
shall possess structural strength to support the maximum loads imposed by the
overlying materials and equipment used at the facility.
f)Â Â Â Â Â Â Â Â Collection pipes shall be constructed within a coarse gravel
envelope using a graded filter or geotextile as necessary to minimize clogging.
g)Â Â Â Â Â Â Â Â The system shall be equipped with a sufficient number of
manholes and cleanout risers to allow cleaning and maintenance of all pipes
throughout the design period.