35 Ill. Adm. Code 811.509
Leachate Collection Systems
Section 811
Section 811.509 Leachate
Collection Systems
a) The CQA officer shall exercise professional judgement to
verify that pipe sizes, material, perforations, placement and pipe grades are
in accordance with the design.
b) The CQA officer shall exercise professional judgement to
certify that all soil materials used for the drainage blanket and graded
filters meet the required size and gradation specifications in the design plan
and are placed in accordance with the design plans.
c) The CQA officer shall inspect all prefabricated structures for
conformity with design specifications and for defective manufacturing.