35 Ill. Adm. Code 724.671
Assessment of Existing Drip Pad Integrity
Section 724
Section 724.671Â Assessment
of Existing Drip Pad Integrity
a)Â Â Â Â Â Â Â Â For each existing drip pad, the owner or operator must evaluate
the drip pad and determine whether it meets all of the requirements of this
Subpart W, except the requirements for liners and leak detection systems of
Section 724.673(b). The owner or operator must obtain and keep on file at the
facility a written assessment of the drip pad, reviewed and certified by a
qualified Professional Engineer that attests to the results of the evaluation.
The assessment must be reviewed, updated, and re-certified annually until all
upgrades, repairs or modifications necessary to achieve compliance with all the
standards of Section 724.673 are complete. The evaluation must document the
extent to which the drip pad meets each of the design and operating standards
of Section 724.673, except the standards for liners and leak detection systems,
specified in Section 724.673(b).
b)Â Â Â Â Â Â Â Â The owner or operator must develop a written plan for
upgrading, repairing, and modifying the drip pad to meet the requirements of
Section 724.673(b) and submit the plan to the Agency no later than two years
before the date that all repairs, upgrades and modifications will be complete. Â This
written plan must describe all changes to be made to the drip pad in sufficient
detail to document compliance with all the requirements of Section 724.673. Â The
plan must be reviewed and certified by a qualified Professional Engineer.
c)Â Â Â Â Â Â Â Â Upon completion of all upgrades, repairs, and modifications,
the owner or operator must submit to the Agency, the as-built drawings for the
drip pad, together with a certification by a qualified Professional Engineer
attesting that the drip pad conforms to the drawings.
d)Â Â Â Â Â Â Â Â If the drip pad is found to be leaking or unfit for use, the
owner or operator must comply with the provisions of Section 724.673(m) or
close the drip pad in accordance with Section 724.675.