§ 26-47. Application for permit.

The owner or his agent shall file the application for a permit with the Village on forms provided by the Village. The owner or his agent shall supply the number of copies of application documents as provided in the application. Each application shall be accompanied by the following information:

(1)

Existing site conditions map. A map of existing site conditions on a scale, of at least one inch equals 100 feet, showing the project area and immediately adjacent areas and the locations of the following site information:

a.

Site boundaries and adjacent lands which accurately identify site location.

b.

Lakes, streams, wetlands, channels, ditches, and other watercourses on and immediately adjacent to the site.

c.

Floodways and/or Zone A of the floodplain as determined on the flood insurance rate map (FIRM), indicating the map panel number.

d.

All off-site drainage onto or through the project site.

e.

Location and dimension of stormwater management components on or adjacent to site.

f.

Locations and dimensions of structures, roads, highways, easements and paved areas.

g.

Site topography. Show contours at vertical intervals as follows:

1.

Slope of six percent or less, at two-foot interval.

2.

Slope of over six percent but less than 15 percent, at five-foot interval.

3.

Slope of over 15 percent, at ten-foot or 20-foot intervals.

(2)

Plan of final site conditions. A plan of final site conditions drawn to the same scale as the existing site map submitted, and which includes information to accurately depict post-construction appearance of site, e.g., paved areas, buildings, landscaping, and other changes to the site, along with other predominate site features, e.g., open areas, bodies of water.

(3)

Sediment and erosion control practices. A site construction plan including:

a.

Locations and dimensions of all proposed land disturbing activities;

b.

Locations and dimensions of all temporary soil and aggregate stockpiles;

c.

Locations, dimensions and construction details of all construction site management control measures necessary to meet the requirements of this Article and including proposed revegetation of disturbed areas;

d.

Statement regarding provisions for maintenance and maintenance requirements of construction site management control measures during construction.

(4)

Stormwater management plans and controls. Design calculations and information related to the permanent stormwater management system for any project with a net increase of impervious area greater than one-half of an acre. For example, in year one, a commercial site increases the parking lot by 20,000 square feet. In year two, the same commercial site adds a building with an area of 20,000 square feet. In year one, no permanent stormwater control measures or calculations are required by this Article. In year two, stormwater calculations shall be submitted and shall be based on the total increase of 40,000 square feet of impervious area. However, for any project with a net increase of impervious area (as defined above) between one-half of an acre and one acre, the Erosion Control Administrator may allow the design calculations and information known as the Rational Method. When considering whether to allow the Rational Method, the Erosion Control Administrator shall consider the parcel's topography, downstream conditions, and any history of drainage issues. The following information shall also be provided by the applicant:

a.

A map showing the drainage area boundaries, including off-site drainage areas that drain into or onto the site.

b.

Location and identification of soil types for all drainage areas.

c.

Location and identification of vegetative cover for all drainage areas.

d.

Runoff curve number calculations for both pre- and post-project conditions for each drainage area.

e.

Time of concentration calculations for both pre- and post-project conditions for each drainage area, and include a map showing hydraulic flow lengths used.

f.

Peak flow-rate calculations for two-year and 25-year storms for both pre- and post-project conditions.

g.

Design calculations for detention basin outlets for both two-year and 25-year storms, include stage storage table and discharge rating curve data or outflow calculations. (Refer to Section 26-77.)

h.

Location dimensions, and construction details of proposed detention basins and outlets.

i.

Detention volume calculations.

j.

Summary of peak flow-rates for pre-project, post-project and proposed conditions with detention showing that the requirements of this Article are met. (Refer to Section 26-77.)

(5)

Schedule or sequence of development or installation of the elements of the site management control measures proposed in Subsection (3) of this Section.

(6)

A detailed estimate of quantities and estimated costs, prepared by a registered professional engineer, of all control measures required under this Section.

(7)

A plan of the continued management and maintenance of such permanent control measures.

(8)

Application fee. An application fee, in an amount established from time to time by the Village Board, shall be submitted at the time of the application. A fractional acre shall be rounded to the nearest whole acre. There shall be no refund of any fees paid and no application shall be accepted for filing unless the fee has been paid in full.

(9)

NPDES permit. If the permit site requires a National Pollutant Discharge Elimination System (NPDES) permit through the State Environmental Protection Agency, such permit must be submitted to the Village at the time of application, or immediately upon receipt of such permit, if said permit not issued at the time the application is made to the Village.

(Ord. No. 1552, § 4, 2-14-2008; Ord. No. 1756, § 2.A., 1-9-2017)