The following deletions, modifications and amendments to the DuPage County Stormwater and Flood Plain Ordinance shall be effective and applicable in the city:
(A) Sections 15-28A, 15-28B, 15-80H, and Appendix A are amended by deleting the phrase "one (1) foot" and substituting the phrase "two (2) feet".
(B) Section 15-30.A.3 is amended to read as follows:
15-30.A.3 Does not include 5,000 square feet or more of land-disturbing activities except that a Development that includes 500 square feet or more of land-disturbing activities shall be required, in addition to any other requirements that may be applicable, to submit a site grading plan if in the determination of the Director of Community and Economic Development a site grading plan is necessary to illustrate stormwater flow on the site.
(C) Section 15-146(4) is amended by adding at the end, the following additional sentence: "Retaining wall materials in Special Flood Hazard Areas are limited to cast-in-place concrete or concrete block."
(D) Section 15-553 (Permit Fees) is amended by deleting Item 3 Schedule A - Permit Fees and replacing it with the following:
In addition to the County review of all construction and development within a Special Management Area located within the corporate limits of the City, the Office of the City Engineer will review all requests for a Stormwater Management Permit under its partial waiver status, whether the request is for construction and development within or outside a Special Management Area. A review and inspection fee schedule for City Stormwater Management Permits is included in Chapter 154, §154.02 and §154.05(B) of the Code of Ordinances of the City of Oakbrook Terrace.
(E) Section 15-111 (General Information), Paragraph 3, is amended by deleting the introductory paragraph and replacing it with the following:
The Director or Administrator in a waiver community shall consider granting an exception to Section 15-111.2 of this Ordinance for those developments listed in subparagraphs a - h below, if specific requirements are met for such development as listed or required by the Administrator. For any exception from the requirements of Section 15-111.2 for developments described in subparagraph i of this paragraph 3, a stormwater variance shall be required, and shall be considered and granted only by the Oakbrook Terrace Stormwater Oversight Committee, in accordance with the provisions of this Ordinance for hearing applications for and granting variances.
(Ord. 03-06, passed 5-27-03; Am. Ord. 05-15, passed 8-9-05; Am. Ord. 09-11, passed 9-8-09; Am. Ord. 19-40, passed 7-23-19; Am. Ord. 21-21, passed 6-22-21; Am. Ord. 22-24, passed 8-23-22)