A. Generally:
1. All developments shall be provided with street pavements and appurtenances designed in accordance with this appendix.
2. All roadway improvements shall be installed in accordance with the material, installation and testing requirements of the latest edition of the “Standard Specifications for Road and Bridge Construction in Illinois”, and the latest edition of the “Supplemental Specifications and Recurring Special Provisions”, unless otherwise modified in this section.
3. Specification references made herein for manufactured items, such as pipe, cement, aggregates, etc., refer to designations of the American Society for Testing and Materials (ASTM). Design references made herein refer to the American Association of State Highway and Transportation Officials (AASHTO).
4. All contractors constructing public roads in the City shall be prequalified with the Illinois Department of Transportation. Bituminous and concrete plants supplying materials shall be IDOT certified.
5. A permit is required prior to the start of any construction on public easement or right-of-way that would cut, alter, grade or excavate the surface or support for the surface of any street, road, highway, parkway, curb, sidewalk or way within the City. A permit may be obtained at the City Hall, 201 Brianna Drive, Watseka, IL 60970.
B. Basic Design Standards: The design of roadways in the City shall be in accordance with the general guidelines and typical cross-sections found in appendix B, section 13-8-2 of this chapter. Variations from these guidelines are required to be approved by the City in advance.
C. Material Specifications: All pavement elements shall conform to the following specifications:
1. Bituminous concrete binder courses shall meet HOT-MIX ASPHALT BINDER COURSE IL-19, N-50. Up to twenty five percent (25%) RAP will be allowed in binder course.
2. Bituminous concrete surface courses shall meet HOT-MIX ASPHALT SURFACE COURSE IL-19, Mix D N-50 unless approved in advance by the Subdivision Administrator. Up to fifteen percent (15%) RAP will be allowed in surface course.
3. Mix designs and material suppliers shall be submitted to the City thirty (30) days prior to work.
4. Bituminous pavers shall have a minimum closed screened width of ten feet (10') and shall be equipped with electronic grade control.
5. All concrete roadway construction materials for curb and gutter, concrete pavement, lighting base foundations, etc., shall meet IDOT material requirements for Class SI concrete as applicable.
6. Paint and thermoplastic materials used for pavement markings and roadway striping shall meet applicable articles of IDOT Standard Specifications. This work shall be undertaken in accordance with IDOT allowable calendar dates and weather conditions unless approved in advance by the City.
D. Testing And Acceptance:
1. The contractor shall notify the Subdivision Administrator and the materials testing firm forty eight (48) hours prior to work or test being performed. If an existing street is to be partially or totally closed, the developer is to notify the City Public Works Department, Fire Department, Police Department, and all school districts forty eight (48) hours in advance prior to closing.
2. Pavement observation procedures (including bike paths) shall be as follows:
a. Proof roll sub-grade: (Acceptable proof roll vehicle-14 ton (50,000 gross) semitruck 21 ton (73,000 gross)).
(1) Before curb and gutter is installed.
(2) One inch (1") rut and one inch (1") roll maximum.
(3) Repair sub-grade until an acceptable proof roll is obtained.
b. String-line sub-grade: Plus one-half inch (1/4") maximum.
c. Proof roll sub-base (if applicable):
(1) No movement rutting or rolling allowed.
(2) Repair sub-base and other underlying layers if necessary until an acceptable proof roll is obtained.
d. String-line sub-base (if applicable): Plus one-fourth inch (1/4") maximum.
e. Proof roll aggregate base course (if applicable).
(1) No movement rutting or rolling allowed.
(2) Repair aggregate base course and other underlying layer if necessary until an acceptable proof roll is obtained.
f. String-line aggregate base course (if applicable): Plus one-fourth inch (1/4") maximum.
g. Proof roll bituminous base course (if applicable).
(1) No movement rutting or rolling allowed.
(2) Repair bituminous base course and other underlying layer if necessary until an acceptable proof roll is obtained.
h. Density test bituminous base course (if applicable). On-site density testing is performed by an independent testing firm acceptable to the Subdivision Administrator and cores taken to check thickness per the Subdivision Administrator.
i. String-line bituminous base course (if applicable): Plus one-fourth inch (1/4") maximum.
j. Check condition of pavement/aggregate prior to base course.
(1) Bituminous material (prime coat) must be cured prior to placement of binder.
(2) Priming immediately in front of paver is not allowed.
k. Density test binder course.
(1) On-site density testing performed by an independent testing firm acceptable to the Subdivision Administrator and, if needed, cores taken to check thickness.
(2) Repair bituminous binder course by removal and replacement for failed areas or a method acceptable to the Subdivision Administrator.
l. (1) Check conditions of pavement binder course prior to surface course. The developer is responsible for pavement maintenance including filling potholes when requested by the City.
(A) Only after one winter season and seventy five percent (75%) of occupancy permits issued.
(B) Surfacing shall be completed within three (3) years of installation of the binder.
(2) Clean pavement and curbs prior to proof roll.
(A) Proof roll bituminous binder course. No movement rutting or rolling allowed. Repair binder course by removal and replacement.
(B) If cracks are greater than one-half inch (1/4") wide and occur over twenty five percent (25%) of the pavement, then repair bituminous binder course and other underlying layers until an acceptable proof roll is obtained.
(C) If cracks are less than one-half inch (1/4") wide, and occur over twenty five percent (25%) of the pavement, then repair bituminous binder course by HEATER SCARIFY, overlay method, or a method acceptable to the Subdivision Administrator.
(i) If cracks are less than one-half inch (1/4") and less than twenty five percent (25%) of the area, then repair binder and base course as necessary.
(ii) If longitudinal and transverse cracking are less than ten percent (10%) of the length, then repair with mix for cracks.
(iii) If longitudinal and transverse cracks are greater than ten percent (10%) of the length, then repair with crack fill acceptable to the Subdivision Administrator.
(D) Remove and replace damaged curb and gutter. The minimum length of removal and replacement is ten feet (10').
(3) (A) Two (2) rebar dowels are required in replacement sections.
(B) Replacement curb requires two (2) dowel bars at each end. Maximum diameter is three-fourths inch (3/4").
(C) Any pavement disturbed by curb replacement shall be saw cut a minimum of eighteen inches (18") wide. Length to be determined by the Subdivision Administrator,
(D) Bituminous driveway aprons disturbed by curb removal shall be saw cut a minimum twenty four inches (24") wide and replaced full width.
(E) Any concrete driveway aprons disturbed by curb removal shall be saw cut at the closest joint and replaced full width.
(4) Remove cold patch and replace with hot mix. Place level binder in binder irregularities, trench settlement, etc.
(5) Bituminous material (tack coat) will be placed only if the Subdivision Administrator accepts the conditions of the pavement.
(6) Bituminous surface course placed on pavement not accepted by the Subdivision Administrator will be removed and replaced.
(7) Bituminous material (tack coat) must be cured prior to placement of surface. Priming immediately in front of the paver is not allowed.
m. Density test bituminous surface course (if applicable).
(1) On-site density testing performed by an independent testing firm acceptable to the Subdivision Administrator and cores taken to check thickness.
(2) Repair bituminous surface course by removal and replacement areas or a method acceptable to the City.
3. Material Testing:
a. Generally: The City will observe all testing performed.
Test Items | Test | Who Performs Test | Number Of Tests | Test Paid By | Test Ordered By |
Sub-grade | Proof roll String-line | Contractor Contractor | Entire project Entire project | Developer Developer | Developer Developer |
Aggregate | Proof roll String-line | Contractor Contractor | Entire project Entire project | Developer Developer | Developer Developer |
Structural | Concrete See IDOT Stand. | Testing firm | Concrete See IDOT Stand. | Developer | Developer |
Bituminous concrete | Rolling pattern | Testing firm | Bit. concrete See IDOT Stand. | Developer | Developer |
Asphalt temperature | Testing firm | Bit. concrete See IDOT Stand | Developer | Developer | |
Nuclear density text | Testing firm | Bit. concrete See IDOT Stand. | Developer | Developer |
*The thickness of the completed pavement will be verified by the cores. A minimum of 4 core specimens per day are required.
All firms used for bituminous and concrete testing shall be approved or chosen by the Subdivision Administrator at the developer's cost. The testing firms shall be agreed upon at the preconstruction conference meeting. The developer shall notify the Subdivision Administrator a minimum of forty eight (48) hours prior to any bituminous paving or concrete placement.
b. Asphalt Testing Requirements:
(1) Testing shall consist of all applicable site testing. Site testing shall include establishing a rolling pattern, asphalt temperature, nuclear density test (see the IDOT Non-QC/QA Testing Requirements), and any other testing deemed necessary by the Subdivision Administrator. The testing company’s technician shall provide verbal test results while paving, and written results within forty eight (48) hours, to the Subdivision Administrator.
(2) If any individual street has an average density per IDOT requirements of less than minimum requirements, that street shall be deemed as having failed, and further testing and/or replacement shall be required.
(3) The developer will supply the Subdivision Administrator with a list of plants that will be used for work on-site. The plant list will include a list of plant codes as they correlate to IDOT approved mixes. This list must be delivered to the Subdivision Administrator ten (10) working days prior to asphalt being placed. The testing firm's inspector shall fill out the City form, and return it to the Subdivision Administrator, along with a copy of field and lab reports. The testing firm is responsible for all field and lab tests and reports.
c. Concrete Testing Requirements:
(1) Structural concrete to be tested per the IDOT Non-QC/QA Testing Requirements shall include, but not be limited to, bridges, box culverts, beams, retaining walls, and items noted by the Subdivision Administrator. Nonstructural items, such as curbs and sidewalks, will be visually inspected by the City and will also be subject to additional testing as described in the IDOT Non-QC/QA Testing Requirements. The developer must notify the City forty eight (48) hours prior to all concrete placement.
(2) The developer will supply the Subdivision Administrator with a list of batch plants that will be used for work on the site. The batch plant list will also include a list of plant codes as they correlate to IDOT approved mixes. The list must be delivered to the Subdivision Administrator prior to any concrete being placed.
(3) The testing firm’s inspector shall fill out the City form and return it to the Subdivision Administrator, along with a copy of field and lab reports. The testing firm is responsible for all field and lab tests, making, picking up, and breaking of cylinders, and reports.
E. Striping:
1. Raised reflective pavement markers will be required for major collectors, minor and major arterials on centerline skip dash, double yellow centerline turn lanes.
2. Stop bars shall be twenty four inches (24") wide and required at all sop sign locations.
3. Crosswalks shall have six inch (6") wide lines at intersections and twelve inch (12") wide bars at school crossings.
4. All permanent striping shall be thermoplastic.
5. Temporary paint striping shall be required after binder placement on all collector or greater streets.
(Ord. 2420, 6-24-2014)