35 Ill. Adm. Code 811.506
Foundations and Subbases
Section 811
Section 811.506 Foundations
and Subbases
a) The CQA officer shall identify and ensure the site
investigation is carried out in accordance with the plans, identify unexpected
conditions and record all modifications to the plans and construction
procedures on the as-built drawings.
b) The CQA officer shall observe soil and rock surfaces for
joints, fractures and depressions, document the filling of all joints and
fractures and document the removal and filling of local sand deposits on the
as-built drawings.
c) The CQA officer shall ensure that there are no moisture seeps
and that all soft, organic or other undesirable materials are removed.