Section 725.541  Assessment of Existing Drip Pad Integrity

a)         For each existing drip pad, the owner or operator must evaluate the drip pad and determine that it meets all of the requirements of this Subpart W, except the requirements for liners and leak detection systems of Section 725.543(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 725.543 are complete.  The evaluation must document the extent to which the drip pad meets each of the design and operating standards of Section 725.543, except the standards for liners and leak detection systems specified in Section 725.543(b).

b)         The owner or operator must develop a written plan for upgrading, repairing and modifying the drip pad to meet the requirements of Section 725.543(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.  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 725.543. The plan must be reviewed and certified by a qualified Professional Engineer.

c)         Upon completion of all 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)         If the drip pad is found to be leaking or unfit for use, the owner or operator must comply with the provisions of Section 725.543(m) or close the drip pad in accordance with Section 725.545.

(Source:  Amended at 42 Ill. Reg. 23725, effective November 19, 2018)