A. Developments that only require approval of the soil erosion and sediment control provisions of this title and do not require approval for any other aspect of this title shall be reviewed and processed as a letter of permission (LOP). To be eligible for an LOP, in addition to the requirements of this title, the applicant must certify that he is aware of the design requirements of the IEPA NPDES ILR10 permit and certify that the plan meets those requirements.
B. For developments with less than one acre of land disturbance that are not part of a larger common plan, a qualified designer shall certify that the development meets the soil erosion and sediment control design criteria found in chapter 7 of this title. However, formal submittal of the information under subsection D of this section is unnecessary unless the director or administrator requests demonstration of compliance with these provisions.
C. For developments that disturb one or more acres of land area, or will disturb less than one acre of land, but are part of a larger common plan that will ultimately disturb one or more acres of land area, the applicant shall prepare and provide a copy of an SWPPP in accordance with the requirements of Illinois environmental protection agency general NPDES permit no. ILR10, part IV.D.1.a-f (contents of plan), part IV.D.2.a-d (controls), part IV.D.3 (maintenance) and part IV.D.4.a-f (inspections). The plan prepared for the SWPPP may be submitted as the SESC plan for the development.
D. If the SESC plan does not appear adequate to comply with the design requirements of chapter 7 of this title, in the opinion of the administrator or director, then the administrator or director may require submittal of any or all of the following to demonstrate the plan's compliance:
1. Site maps which indicate:
a. One foot (1') contours with delineated subbasins, and
b. Approximate slopes anticipated before and after major grading activities,
c. Locations where vehicles enter or exit the site and, controls to prevent off site sediment tracking areas, and concrete washout controls and procedures, limits of soil disturbance, and the location of major structural and nonstructural controls identified in the plan,
d. The location of areas where stabilization practices are expected to occur,
e. Surface waters (including wetlands), and locations where stormwater is discharged to a surface water; and
2. Developments that will extend through winter shall provide a description of winter specific soil erosion and sediment control measures to be implemented.
3. A description of the nature of the construction activity or demolition work.
4. A description of the intended sequence of major activities which disturb soils for major portions of the site (e.g., clearing, grubbing, excavation, grading) and construction stabilization schedule.
5. An estimate of the total area of the site, and the total area of the site that is expected to be disturbed by excavation, grading, or other activities. (Ord. G-976, 7-24-2012; Ord. G-1003, 6-11-2013)