A. Street Construction Specifications:
1. All new streets within the corporate limits of the village dedicated or platted after the effective date hereof shall be improved with roadway paving, in accordance with chapter 3 of this title.
2. Pavement improvements shall be in accordance with standards of the village as follows:
Classification
|
Subbase
|
Base
|
Surface
|
Classification
|
Subbase
|
Base
|
Surface
|
Arterial | 4" aggregate | 8" bitumen | 3" bitumen (class I) |
or | |||
Arterial | 4" aggregate | - | 8" PCC (reinforced) |
Collector and industrial | 4" aggregate | 6" bitumen | 3" bitumen (class I) |
or | |||
Collector and industrial | - | 15" aggregate | 3" bitumen (class I) |
or | |||
Collector and industrial | 4" aggregate | - | 7" PCC (reinforced) |
Local streets and alleys | - | 10" aggregate | 21/2" bitumen (class I) |
3. Aggregate for subbase, base and shoulders shall meet IDOT gradation CA-6 and shall be one hundred percent (100%) crushed stone or crushed gravel.
4. Subbase for all pavements shall have a minimum IBR of 3.0.
5. All pavements shall have a transverse slope of one-fourth inch (1/4") per foot.
6. All bituminous surface pavements shall be constructed using two (2) separate lifts.
7. Alternate pavement designs that provide equivalent structural design numbers may be submitted to the village engineer for review and approval.
8. All streets shall be designed using a "positive drainage principle" where possible. No low points shall be allowed which would cause greater than eight inches (8") of ponding in the event of a complete storm sewer failure.
B. Sidewalks: Sidewalks shall be provided to serve the following areas:
1. Commercial Areas: Commercial areas shall be provided with portland cement concrete sidewalks five inches (5") thick and a minimum of ten feet (10') wide.
2. Arterial And Collector Streets: Arterial and collector streets shall be provided with portland cement sidewalks five feet (5') wide, five inches (5") thick, and located one foot (1') off the property line within the street right of way, on both sides of the street.
3. Residential Properties: Residential properties shall be provided with continuous portland cement concrete sidewalks on two (2) sides of the street four inches (4") thick, four feet (4') wide, and located one foot (1') off the property line unless an alternate location is approved by the village engineer.
4. Driveways: All sidewalks shall be increased two inches (2") in thickness through driveway approaches.
5. Concrete: Portland cement concrete sidewalks shall be constructed using a "6-bag mix".
C. Street Signs, Guardrails And Landscaping:
1. Street Name Signs: Street name signs of the type approved by the village shall be installed at each intersection.
2. Guardrails: Guardrails shall be placed along the shoulder of any street where street construction has resulted in a drop off greater than six feet (6').
3. Parkway Trees: Parkway trees shall be planted by the subdivider. There shall be at least one tree of a species acceptable to the board of trustees and of at least two and one- half inches (21/2") in trunk diameter, measured eighteen inches (18") above grade, for every fifty feet (50') of frontage on all streets proposed to be dedicated. The required trees shall be planted halfway between the curb or edge of shoulder and the sidewalk or right of way line. Each tree shall be planted at least ten feet (10') from water and sewer services. A tree planting plan shall be submitted to the village showing the location and types of trees to be planted.
D. Street Grades: Street gradients shall be designed with proper continuity for collector, secondary, and major arteries without abrupt changes, and all intersections shall be properly platformed to prevent hazards. Said platform shall be subject to review by the village engineer. The adjustment of the grade of private driveways with the public roadways shall be subject to review and approval by the village engineer and shall avoid abrupt changes or drainage pockets.
E. Parkways: Parkways shall be graded in accordance with the grading plan and seeded upon completion of the underground and surface improvements.
F. Traffic Control Devices: Regulatory traffic control devices shall be installed as per the requirements of the "Manual On Uniform Traffic Control Devices", Illinois department of transportation standards, and at locations as directed by the village engineer. The traffic control devices may include, but are not limited to, speed limit, yield, right of way, stop, no parking, weight restrictions, pedestrian crossings, or other regulatory traffic signs and necessary traffic pavement markings. All signs and markings shall conform to the standards in the "Manual On Uniform Traffic Control Devices" and of the Illinois department of transportation. Signposts and fasteners shall be of a type equal to the current village standard. The village engineer shall make the determination as to when such signs shall be erected. All signs and pavement markings shall be maintained by the developer until the subdivision is accepted by the village board.
G. Curbs And Gutters:
1. Concrete curbs and gutters shall be provided in accordance with subsection G2 of this section.
2. All curbs and gutters installed on arterial streets shall meet the specifications applying to IDOT B6.24. All curbs and gutters installed on other streets shall meet the specifications applying to B6.12, and the thickness of the gutter shall be not less than nine inches (9").
H. Pavement Marking: Pavement marking shall be provided at locations determined by the village engineer. All pavement marking shall be thermoplastic conforming to the "Illinois Department Of Transportation Standard Specifications For Road And Bridge Construction In Illinois", latest edition. (1999 Code § 10.03)