A. General: The improvements required by this section shall be constructed in accordance with the provisions of the IDOT "Standard Specifications For Road And Bridge Construction", unless otherwise modified in this section. The standards set forth herein are the minimum acceptable standards and are not intended to prevent the developer from constructing a higher type street structure. All access drives and driveways connected to village streets must be paved with bituminous concrete, Portland cement or paver bricks prior to issuance of final occupancy permit.
B. Parking Lot And Driveway Grades:
1. The maximum pavement slope shall not exceed eight percent (8%) for residential applications and five percent (5%) for nonresidential applications.
2. The minimum pavement slope shall be two percent (2%), except where the pavement is adjacent to and sloping toward a curb.
3. The minimum curb slope shall be five tenths of one percent (0.5%) when used to provide drainage.
C. Base Course Material:
1. Parking lots shall have a base course material conforming to gradation CA-6, grade 8 or 9 (100 percent crushed stone) which shall be placed with a minimum compacted thickness of ten inches (10") between curb faces.
2. Driveways shall have a base course material conforming to gradation CA-6, grade 9 (100 percent crushed stone or crushed gravel), which shall be placed with a minimum compacted thickness of ten inches (10") between curb faces.
3. In no instance shall subbase course material be placed on a soft subgrade. If a soft subgrade is encountered, it shall be removed to stable material. Backfill material shall consist of earthen material with an adequate supporting value or of granular material acceptable to the village engineer.
D. Surface Material:
1. Parking lots shall be improved with a minimum one and one half inch (1.5") thick bituminous binder course (class I), followed at a later date with one and one-half inch (1.5") thick bituminous concrete surface course (class I, type 2, mixture D).
2. Driveways shall be improved with a minimum five inch (5") thick bituminous concrete binder course (class I), followed at a later date with one and one-half inch (1.5") thick bituminous concrete surface course (class I, type 2, mixture D).
E. Curbs:
1. All parking lots and driveways shall have curbs except when approved by the Village where all of the following conditions exist:
a. Part of an existing parking lot.
b. Extension of an existing parking lot where there is no existing underground stormwater conveyance system.
c. The parking lot expansion is no more than 50% of the existing parking area.
d. Where Runoff Volume Reduction is not required as defined by the Lake County Watershed Ordinance, as amended from time to time.
2. All curbs shall be type B-6.12.
F. Parking Stall Dimensions:
1. All parking stalls shall be in accordance with the zoning ordinance.
2. Disabled parking shall be provided as required by state and federal laws and regulations.
G. Parking Lot Aisle Dimensions: All parking lot aisles shall be in conformance with the zoning ordinance.
H. Driveway Widths: Residential driveway widths shall not exceed eighteen feet (18") at the public right-of-way and twenty-four feet (24") at the street opening and non-residential driveway widths shall not exceed twenty-four feet (24") at the pubic right-of-way and thirty feet (30") at the street opening unless otherwise approved by the Village Engineer.
I. Other Requirements: For parking lots with anticipated heavy through traffic or truck traffic, the village may require a more substantial pavement cross section than that indicated. (Ord. 2022-O-11 § 2: Ord. 2006-O-22 § 1: Ord. 2004-O-14 § 1)