ildot 64P60-045.pdf

November 6, 2026 Letting

Notice to Bidders, Specifications and Proposal

Contract No. 64P60 BOONE County Section (6,15,14)R&HBR Routes FAP 525 & FAI 90 District 2 Construction Funds

Prepared by S

Checked by (Printed by authority of the State of Illinois)

NOTICE TO BIDDERS

1. TIME AND PLACE OF OPENING BIDS. Electronic bids are to be submitted to the electronic bidding system (iCX-Integrated Contractors Exchange). All bids must be submitted to the iCX system prior to 12:00 p.m.

November 6, 2026 prevailing time at which time the bids will be publicly opened from the iCX SecureVault.

2. DESCRIPTION OF WORK. The proposed improvement is identified and advertised for bids in the

Invitation for Bids as:

BOONE County Section (6,15,14)R&HBR Routes FAP 525 & FAI 90 District 2 Construction Funds

Bridge and roadway reconstruction on US 20 over I-90 from 0.4 miles west of Wheeler Rd to 0.1 miles east of Ipsen Rd. Approximately 2.59 miles in length.

3. INSTRUCTIONS TO BIDDERS. (a) This Notice, the invitation for bids, proposal and letter of award shall, together with all other documents in accordance with Article 101.09 of the Standard Specifications for Road and Bridge Construction, become part of the contract. Bidders are cautioned to read and examine carefully all documents, to make all required inspections, and to inquire or seek explanation of the same prior to submission of a bid.

(b) State law, and, if the work is to be paid wholly or in part with Federal-aid funds, Federal law requires the bidder to make various certifications as a part of the proposal and contract. By execution and submission of the proposal, the bidder makes the certification contained therein. A false or fraudulent certification shall, in addition to all other remedies provided by law, be a breach of contract and may result in termination of the contract.

4. AWARD CRITERIA AND REJECTION OF BIDS. This contract will be awarded to the lowest responsive and responsible bidder considering conformity with the terms and conditions established by the Department in the rules, Invitation for Bids and contract documents. The issuance of plans and proposal forms for bidding based upon a prequalification rating shall not be the sole determinant of responsibility. The Department reserves the right to determine responsibility at the time of award, to reject any or all proposals, to readvertise the proposed improvement, and to waive technicalities.

By Order of the Illinois Department of Transportation

Gia Biagi, Secretary

FAP Route 525 (US 20) & FAI Route 90 (I-90) Section (6, 15, 14) R&HBR

Boone County

INDEX

FOR

SUPPLEMENTAL SPECIFICATIONS

AND RECURRING SPECIAL PROVISIONS

Adopted January 1, 2026

This index contains a listing of SUPPLEMENTAL SPECIFICATIONS, frequently used RECURRING SPECIAL PROVISIONS, and LOCAL ROADS AND STREETS RECURRING SPECIAL PROVISIONS.

ERRATA Standard Specifications for Road and Bridge Construction (Adopted 1-1-22) (Revised 1-1-26)

SUPPLEMENTAL SPECIFICATIONS

Std. Spec. Sec. Page No.

109 Measurement and Payment 202 Earth and Rock Excavation 204 Borrow and Furnished Excavation 207 Porous Granular Embankment 211 Topsoil and Compost 214 Grading and Shaping Ditches 406 Hot-Mix Asphalt Binder and Surface Course 407 Hot-Mix Asphalt Pavement (Full-Depth) 420 Portland Cement Concrete Pavement 502 Excavation for Structures 504 Precast Concrete Structures 509 Metal Railings 522 Retaining Walls 540 Box Culverts 542 Pipe Culverts 550 Storm Sewers 586 Granular Backfill for Structures 601 Pipe Drains, Pipe Underdrains, and French Drains 630 Steel Plate Beam Guardrail 632 Guardrail and Cable Road Guard Removal 644 High Tension Cable Median Barrier 665 Woven Wire Fence 701 Work Zone Traffic Control and Protection 781 Raised Reflective Pavement Markers 782 Reflectors 801 Electrical Requirements 821 Roadway Luminaires

1003 Fine Aggregates 1004 Coarse Aggregates 1010 Finely Divided Minerals 1020 Portland Cement Concrete ……… 1030 Hot-Mix Asphalt 1040 Drain Pipe, Tile, and Wall Drain 1042 Precast Concrete Products 1061 Waterproofing Membrane System 1067 Luminaire ……… 1097 Reflectors 1102 Hot-Mix Asphalt Equipment

RECURRING SPECIAL PROVISIONS

The following RECURRING SPECIAL PROVISIONS indicated by an “X” are applicable to this contract and are included by reference:

CHECK SHEET # PAGE NO.

1 Additional State Requirements for Federal-Aid Construction Contracts 2 Subletting of Contracts (Federal-Aid Contracts)

3 X EEO

4 X Specific EEO Responsibilities Nonfederal-Aid Contracts 5 X Required Provisions - State Contracts 6 Asbestos Bearing Pad Removal 7 Asbestos Waterproofing Membrane and Asbestos Hot-Mix Asphalt Surface Removal 8 Temporary Stream Crossings and In-Stream Work Pads 9 X Construction Layout Stakes

10 Use of Geotextile Fabric for Railroad Crossing 11 Subsealing of Concrete Pavements 12 Hot-Mix Asphalt Surface Correction 13 Pavement and Shoulder Resurfacing 14 Patching with Hot-Mix Asphalt Overlay Removal 15 Polymer Concrete 16 Reserved 17 Bicycle Racks 18 Temporary Portable Bridge Traffic Signals 19 Nighttime Inspection of Roadway Lighting 20 English Substitution of Metric Bolts 21 Calcium Chloride Accelerator for Portland Cement Concrete 22 Quality Control of Concrete Mixtures at the Plant 23 X Quality Control/Quality Assurance of Concrete Mixtures 24 Reserved 25 Reserved 26 Temporary Raised Pavement Markers 27 Restoring Bridge Approach Pavements Using High-Density Foam 28 Portland Cement Concrete Inlay or Overlay 29 Portland Cement Concrete Partial Depth Hot-Mix Asphalt Patching 30 Longitudinal Joint and Crack Patching 31 X Concrete Mix Design – Department Provided 32 Station Numbers in Pavements or Overlays i

TABLE OF CONTENTS

LOCATION OF PROJECT

DESCRIPTION OF PROJECT

MAINTENANCE OF ROADWAYS

PUBLIC CONVENIENCE AND SAFETY

START DATE

HOT-MIX ASPHALT BINDER AND SURFACE COURSE

HOT-MIX ASPHALT – MIXTURE DESIGN VERIFICATION AND PRODUCTION

ENGINEER’S FIELD OFFICE TYPE A

TREE REMOVAL

EARTH AND ROCK EXCAVATION

SHOULDER RUMBLE STRIP REMOVAL

ASPHALT SHOULDER RUMBLE STRIP

DELINEATORS

SIGN INSTALLATION

MILEPOST MARKER INSTALLATION AND ASSEMBLY

REFLECTORS

RAISED PAVEMENT LANE MARKER

MAINTENANCE OF TRAFFIC

WORK ZONE PAVEMENT MARKING AND REMOVAL

TRAILER MOUNTED FULL MATRIX PORTABLE CHANGEABLE MESSAGE SIGN

WINTERIZED TEMPORARY ACCESS

TEMPORARY PAVEMENT

PAVEMENT MARKING AND MARKER REMOVAL

TRAFFIC CONTROL PLAN

TEMPORARY CONCRETE BARRIER, CROSS-BOLT CONNECTION

IMPACT ATTENUATORS, TEMPORARY

MULTI-POLYMER PAVEMENT MARKINGS

GROOVING FOR RECESSED PAVEMENT MARKING, LETTERS AND SYMBOLS

FULL ACTUATED CONTROLLER AND TYPE V CABINET

SLOTTED DRAIN

SLOTTED DRAIN REMOVAL

RELOCATE EXISTING MAILBOX

ii

AGGREGATE SURFACE COURSE FOR TEMPORARY ACCESS

RELOCATE MODULAR GLARE SCREEN SYSTEM

TRAFFIC CONTROL AND PROTECTION (SPECIAL)

TEMPORARY INFORMATION SIGNING

COMBINATION LIGHTING CONTROLLER

VIDEO VEHICLE DETECTION SYSTEM

REINFORCEMENT BARS

POROUS GRANULAR BACKFILL

PILE CASING, CORRUGATED METAL PIPE

APPROACH SLAB REMOVAL

PRECAST BRIDGE APPROACH SLAB

METAL LETTERING 13”

MECHANICALLY STABILIZED EARTH RETAINING WALL

FORM LINER SIMULATED LIMESTONE SURFACE AND FORM LINER MOCKUP

ERECTION OF GIRDERS

BRIDGE DRAINAGE SYSTEM

CONCRETE SEALANT (SPECIAL)

PIPE UNDERDRAIN OUTLET EXTENSION FOR 6” PIPE

REMOVAL OF EXISTING STRUCTURE

WEED CONTROL, NON-SELECTIVE AND NON-RESIDUAL

CONNECTION TO EXISTING SEWER

STABILIZED CONSTRUCTION ENTRANCE

DUST CONTROL WATERING

GUTTER TYPE G (ILLINOIS TOLLWAY)

CONCRETE GUTTER (SPECIAL)

CONCRETE BARRIER (ILLINOIS TOLLWAY) (I-90)

ASPHALT PAVEMENT CONSTRUCTION (ILLINOIS TOLLWAY) (I-90)

ASPHALT MIXTURES (ILLINOIS TOLLWAY) (I-90)

AGGREGATE SHOULDERS (ILLINOIS TOLLWAY)(I-90)

SUBGRADE AGGREGATE (ILLINOIS TOLLWAY)(I-90)

ARTICULATED CONCRETE BLOCK REVETMENT MAT (ILLINOIS TOLLWAY)(I-90)

ASPHALT SHOULDER RUMBLE STRIP, 16 INCH

ABOVE GRADE INLET FILTERS

MAINTENANCE OF EXISTING EROSION CONTROL

CONCRETE HEADWALL REPAIR

iii

REMOVE EXISTING FLARED END SECTION

ABANDON AND FILL EXISTING STORM SEWER

CHAIN LINK FENCE

CHAIN LINK FENCE, 4’ ATTACHED TO STRUCTURE

MAINTENANCE OF LIGHTING SYSTEM

JUNCTION BOX

UNDERPASS LUMINAIRE (SPECIAL)

TEMPORARY WOOD POLE, 60 FT., CLASS 4

REMOVAL OF UNDERPASS LIGHTING UNIT, NO SALVAGE

REMOVAL AND DISPOSAL OF REGULATED SUBSTANCES

CONCRETE MEDIAN TRANSITION

COMBINATION CONCRETE CURB AND GUTTER TRANSITION

ALLOWANCE FOR UNFORESEEN EROSION CONTROL MEASURES

UNFORESEEN ADDITIONAL MAINTENANCE OF TRAFFIC

TEMPORARY EROSION CONTROL (ILLINOIS TOLLWAY) (I-90)

DRAINAGE STRUCTURES FOR STORM SEWER SYSTEMS (ILLINOIS TOLLWAY)

HEADWALLS AND SLOPED HEADWALLS (ILLINOIS TOLLWAY)

SUBGRADE AGGREGATE (ILLINOIS TOLLWAY)(I-90)

HIGH LOAD MULTI-ROTATIONAL BEARINGS

CONCRETE WEARING SURFACE

STRUCTURAL ASSESSMENT REPORTS FOR CONTRACTOR’S MEANS AND METHODS

BRIDGE DECK CONSTRUCTION

HOT DIP GALVANIZING FOR STRUCTURAL STEEL

BAR SPLICERS, HEADED REINFORCEMENT

AGGREGATE SUBGRADE IMPROVEMENT (BDE)

AUTOMATED FLAGGER ASSISTANCE DEVICES (BDE)

BITUMINOUS MATERIALS COST ADJUSTMENTS (BDE)

CEMENT, FINELY DIVIDED MINERALS, ADMIXTURES, CONCRETE, AND MORTAR (BDE)

COMPENSABLE DELAY COSTS (BDE)

CONCRETE BARRIER (BDE)

DISADVANTAGED BUSINESS ENTERPRISE PARTICIPATION (BDE)

ENGINEER’S FIELD OFFICE (BDE)

EROSION CONTROL BLANKET (BDE)

iv

FUEL COST ADJUSTMENT (BDE)

GUARDRAIL (BDE)

HOT-MIX ASPHALT (BDE)

ILLINOIS WORKS APPRENTICESHIP INITIATIVE – STATE FUNDED CONTRACTS (BDE) 265

INLET FILTERS

PAVEMENT MARKING (BDE)

PERFORMANCE GRADED ASPHALT BINDER (BDE)

PREFORMED PLASTIC PAVEMENT MARKING (BDE)

RAISED REFLECTIVE PAVEMENT MARKERS (BDE)

REMOVAL AND DISPOSAL OF REGULATED SUBSTANCES (BDE)

SEEDING (BDE)

SHORT TERM AND TEMPORARY PAVEMENT MARKINGS (BDE)

SIGN PANELS AND APPURTENANCES (BDE)

SLOPE WALL (BDE)

SPEED DISPLAY TRAILER (BDE)

STEEL COST ADJUSTMENT (BDE)

SUBCONTRACTOR AND DBE PAYMENT REPORTING (BDE)

SUBCONTRACTOR MOBILIZATION PAYMENTS (BDE)

SUBMISSION OF BIDDERS LIST INFORMATION (BDE)

SUBMISSION OF PAYROLL RECORDS – STATE CONTRACT (BDE)

SURFACE TESTING OF PAVEMENTS – IRI (BDE)

SURVEYING SERVICES (BDE)

TEMPORARY CONCRETE BARRIER (BDE)

TRAFFIC SIGNAL BACKPLATE (BDE)

IDOT TRAINING PROGRAM GRADUATE ON-THE-JOB TRAINING SPECIAL PROVISION 299

VEHICLE AND EQUIPMENT WARNING LIGHTS (BDE)

WEEKLY DBE TRUCKING REPORTS (BDE)

WOOD SIGN SUPPORT (BDE)

WORK ZONE TRAFFIC CONTROL DEVICES (BDE)

WORK ZONE WIDTH RESTRICTION (BDE)

WORKING DAYS (BDE)

PROJECT LABOR AGREEMENT

SWPPP

STATE OF ILLINOIS

SPECIAL PROVISIONS

The following Special Provisions supplement the "Standard Specifications for Road and Bridge Construction", adopted January 1, 2022, the latest edition of the "Manual on Uniform Traffic Control Devices for Streets and Highways" and the "Manual of Test Procedures for Materials" in effect on the date of invitation for bids, and the "Supplemental Specifications and Recurring Special Provisions" indicated on the Check Sheet included herein which apply to and govern the construction of FAP Route 525 (US 20) & FAI Route 90 (I-90), Section (6, 15, 14) R&HBR, Boone County, Contract No. 64P60, and in case of conflict with any part, or parts, of said Specifications, the said Special Provisions shall take precedence and shall govern

LOCATION OF PROJECT

The work on this project is located is located on US Route 20 over I-90 and extends from Wheeler Road to Ipsen Road.

DESCRIPTION OF PROJECT

The work on this project consists of Removal and reconstruction of bridge no. BN 739 (IDOT SN 004-9900 WB) and bridge no. BN 739A (IDOT SN 004-0004 EB). Reconstruction of US Route 20 roadway and relocation of Wheeler Road and Ipsen Road. Installation of guardrail. Construction of retaining wall. Landscape and erosion control. Drainage improvements. Maintenance of traffic along the Illinois Tollway and US Route 20. Installation of traffic signals at Wheeler Road and Ipsen Road along US Route 20.

MAINTENANCE OF ROADWAYS

Effective: June 26, 2003 Revised: April 4, 2023

Beginning on the date that work begins on this project, the Contractor shall assume responsibility for normal maintenance of all existing roadways within the limits of the improvement. This normal maintenance shall include all repair work such as patching, intermittent resurfacing, sign maintenance, and shoulder work deemed necessary by the Engineer, but shall not include snow removal operations. Traffic control and protection for maintenance of roadways will be provided by the Contractor as required by the Engineer.

If items of work have not been provided in the contract, or otherwise specified for payment, such items, including the accompanying traffic control and protection required by the Engineer, will be paid for in accordance with Article 109.04 of the Standard Specifications.

PUBLIC CONVENIENCE AND SAFETY

Effective: May 1, 2012 Revised: July 15, 2012

Add the following to the end of the fourth paragraph of Article 107.09:

“If the holiday is on a Saturday or Sunday, and is legally observed on a Friday or Monday, the length of Holiday Period for Monday or Friday shall apply.”

Add the following sentence after the Holiday Period table in the fourth paragraph of Article 107.09:

“The Length of Holiday Period for Thanksgiving shall be from 5:00 AM the Wednesday prior to 11:59 PM the Sunday After”

Delete the fifth paragraph of Article 107.09 of the Standard Specifications:

“On weekends, excluding holidays, roadways with Average Daily Traffic of 25,000 or greater, all lanes shall be open to traffic from 3:00 P.M. Friday to midnight Sunday except where structure construction or major rehabilitation makes it impractical.”

START DATE

No work shall be started on this project until March 15, 2027.

HOT-MIX ASPHALT BINDER AND SURFACE COURSE

Effective: November 1, 2019 Revised: April 1, 2026

Add the following to the end of Article 406.06(c) of the Standard Specifications:

“ The amount of HMA binder course placed shall be limited to that which can be surfaced during the same construction season.”

Revise the fifteenth through eighteenth paragraphs of Article 406.14 of the Standard Specifications to read:

“ The mixture used in constructing acceptable HMA test strips will be paid for at the contract unit price. Unacceptable HMA test strips shall be removed and replaced at no additional cost to the Department.”

Revise Article 1004.03(c) to read:

“(c) Gradation. The coarse aggregate gradations shall be as listed in the following table.

Use Size/Application Gradation No.

Class A-1, A-2, & A-3 3/8 in. (10 mm) Seal CA 16 or CA 20 Class A-1 1/2 in. (13 mm) Seal CA 15 Class A-2 & A-3 Cover Coat CA 14

HMA High ESAL

IL-19.0;

Stabilized Subbase IL-19.0

CA 11 1/

SMA 12.5 2/ CA 134/, CA 14, or CA 16 SMA 9.5 2/ CA 133/4/ or CA 163/

IL-9.5 CA 16, CM 134/

IL-9.5FG CA 16

HMA Low ESAL

IL-19.0L CA 11 1/

IL-9.5L CA 16

1/ CA 16 or CA 13 may be blended with the CA 11.

2/ The coarse aggregates used shall be capable of being combined with the fine aggregates and mineral filler to meet the approved mix design and the mix requirements noted herein.

3/ The specified coarse aggregate gradations may be blended.

4/ CA 13 shall be 100 percent passing the 1/2 in. (12.5mm) sieve.”

Revise Article 1004.03(e) of the Standard Specifications to read:

“(e) Absorption. For SMA the coarse aggregate shall also have water absorption ≤ 2.0 percent.”

Revise the “High ESAL” portion of the table in Article 1030.01 to read:

“High ESAL Binder Courses

IL-19.0, IL-9.5, IL-9.5FG, IL-4.75,

SMA 12.5, SMA 9.5

Stabilized Subbase IL-19.0

Surface Courses IL-9.5, IL-9.5FG, SMA 12.5, SMA 9.5”

Revise Note 2. and add Note 6 to Article 1030.02 of the Standard Specifications to read:

“Item Article/Section

(g)Performance Graded Asphalt Binder (Note 6) 1032

(h) Fibers (Note 2)

Note 2. A stabilizing additive such as cellulose or mineral fiber shall be added to the SMA mixture according to Illinois Modified AASHTO M 325. The stabilizing additive shall meet the Fiber Quality Requirements listed in Illinois Modified AASHTO M 325. Prior to approval and use of fibers, the Contractor shall submit a notarized certification by the producer of these materials stating they meet these requirements. Reclaimed Asphalt Shingles (RAS) may be used in Stone Matrix Asphalt (SMA) mixtures designed with an SBA polymer modifier as a fiber additive if the mix design with RAS included meets AASHTO T305 requirements. The RAS shall be from a certified source that produces either Type I or Type 2. Material shall meet requirements noted herein and the actual dosage rate will be determined by the Engineer.

Note 6. The asphalt binder shall be an SBS PG 76-28 when the SMA is used on a full-depth asphalt pavement and SBS PG 76-22 when used as an overlay, except where modified herein. The asphalt binder shall be a SBS PG 76-22 for IL-4.75, except where modified herein..”

Revise table in Article 1030.05(a) of the Standard Specifications to read:

“MIXTURE COMPOSITION (% PASSING) 1/

Sieve Size

IL-19.0 mm SMA

12.5 SMA 9.5 IL-9.5mm IL-9.5FG IL-4.75 mm

min max min max min max min max min max min max 1 1/2 in

(37.5 mm) 1 in.

(25 mm) 100

3/4 in.

(19 mm) 90 100 100

1/2 in.

(12.5 mm) 75 89 80 100 100 100 100 100

3/8 in.

(9.5 mm) 65 90 100 90 100 90 100 100

#4 (4.75 mm) 40 60 20 30 36 50 34 69 60 756/ 90 100

#8 (2.36 mm) 20 42 16 24 4/ 16 324/ 34 5/ 52 2/ 45 606/ 70 90

#16 (1.18 mm) 15 30 10 32 25 40 50 65

#30 (600 µm) 12 16 12 18 15 30

#50 (300 µm) 6 15 4 15 8 15 15 30

#100 (150 µm) 4 9 3 10 6 10 10 18

#200 (75 µm) 3.0 6.0 7.0 9.0 3/ 7.5 9.5 3/ 4.0 6.0 4.0 6.5 7.0 9.0 3/

#635 (20 µm) ≤ 3.0 ≤ 3.0

Ratio Dust/Asphalt

Binder

1.0 1.5 1.5 1.0

1.0 1.0

1/ Based on percent of total aggregate weight.

2/ The mixture composition shall not exceed 44 percent passing the #8 (2.36 mm) sieve for surface courses with Ndesign = 90.

3/ Additional minus No. 200 (0.075 mm) material required by the mix design shall be mineral filler, unless otherwise approved by the Engineer.

4/ When establishing the Adjusted Job Mix Formula (AJMF) the percent passing the

#8 (2.36 mm) sieve shall not be adjusted above the percentage stated on the table.

5/ When establishing the Adjusted Job Mix Formula (AJMF) the percent passing the

#8 (2.36 mm) sieve shall not be adjusted below 34 percent.

6/ When the mixture is used as a binder, the maximum shall be increased by 0.5 percent passing.”

Revise Article 1030.05(b) of the Standard Specifications to read:

(b) Volumetric Requirements. The target value for the air voids of the HMA shall be 4.0 percent, for IL-4.75 and SMA mixtures it shall be 3.5 percent and for Stabilized Subbase it shall be

3.0 percent at the design number of gyrations. The voids in the mineral aggregate (VMA) and voids filled with asphalt binder (VFA) of the HMA design shall be based on the nominal maximum size of the aggregate in the mix and shall conform to the following requirements.

Voids in the Mineral Aggregate (VMA), % Minimum for Ndesign Mix Design 30 50 70 80 90

IL-19.0 13.5 13.5 13.5

IL-9.5 15.0 15.0

IL-9.5FG 15.0 15.0

IL-4.751/ 18.5

SMA-12.51/2/5/ 17.03//16.04/

SMA-9.51/2/5/ 17.03//16.04/

IL-19.0L 13.5

IL-9.5L 15.0

1/ Maximum draindown shall be 0.3 percent according to Illinois Modified AASHTO T 305.

2/ The draindown shall be determined at the JMF asphalt binder content at the mixing temperature plus 30°F.

3/ Applies when specific gravity of coarse aggregate is ≥ 2.760.

4/ Applies when specific gravity of coarse aggregate is < 2.760.

5/ For surface course, the coarse aggregate can be crushed steel slag, crystalline crushed stone or crushed sandstone. For binder course, coarse aggregate shall be crushed stone (dolomite), crushed gravel, crystalline crushed stone, or crushed sandstone”

Revise the last paragraph of Article 1102.01 (a) (5) of the Standard Specifications to read:

“IL-4.75 and Stone Matrix Asphalt (SMA) mixtures which contain aggregate having absorptions greater than or equal to 2.0 percent, or which contain steal slag sand, shall have minimum surge bin storage plus haul time of 1.5 hours.”

Revise the first and second paragraphs of Articles 1030.06(c)(2) of the Standard Specifications to read:

“(2) Personnel. The Contractor shall provide a QC Manager who shall have overall responsibility and authority for quality control. This individual shall maintain active certification as a Hot-Mix Asphalt Level II technician.

In addition to the QC Manager, the Contractor shall provide sufficient personnel to perform the required visual inspections, sampling, testing, and documentation in a timely manner. Mix designs shall be developed by personnel with an active certification as a Hot-Mix Asphalt Level III technician. Technicians performing mix design testing and plant sampling/testing shall maintain active certification as a Hot-Mix Asphalt Level I technician. The Contractor may provide a technician trainee who has successfully completed the Department’s “Hot-Mix Asphalt Trainee Course” to assist in the activities completed by a Hot-Mix Asphalt Level I technician for a period of one year after the course completion date. The Contractor may also provide a Gradation Technician who has successfully completed the Department's "Gradation Technician Course" to run gradation tests only under the supervision of a Hot-Mix Asphalt Level II Technician. The Contractor shall provide a Hot-Mix Asphalt Density Tester who has successfully completed the Department's "Nuclear Density Testing” course to run all nuclear density tests on the job site.”

Add Article 1030.06(d)(3) to the Standard Specifications to read:

“(3) The Contractor shall take possession of any Department unused backup or dispute resolution HMA mixture samples or density specimens upon notification by the Engineer.

The Contractor shall collect the HMA mixture samples or density specimens from the location designated by the Engineer and may add these materials to RAP stockpiles according to Section 1031.”

Revise the second paragraph of Articles 1030.07(a)(11) and 1030.08(a)(9) of the Standard Specifications to read:

“When establishing the target density, the HMA maximum theoretical specific gravity (Gmm) will be based on the running average of four available Department test results for that project. If less than four Gmm test results are available, an average of all available Department test results for that project will be used. The initial Gmm will be the last available Department test result from a QMP project. If there is no available Department test result from a QMP project, the Department mix design verification test result will be used as the initial Gmm.”

Revise the Quality Control Limits table in Article 1030.09(c) to read:

CONTROL LIMITS

Parameter

IL-19.0, IL-9.5,

IL-9.5FG, IL-19.0L,

IL-9.5L

SMA-12.5,

SMA-9.5

IL-4.75

Individual Test

Moving Avg. of 4

Individual Test

Moving Avg. of 4

Individual Test

Moving Avg. of 4

% Passing: 1/ 1/2 in. (12.5 mm) ± 6 % ± 4 % ± 6 % ± 4 % 3/8 in. (9.5mm) ± 4 % ± 3 % # 4 (4.75 mm) ± 5 % ± 4 % ± 5 % ± 4 % # 8 (2.36 mm) ± 5 % ± 3 % ± 4 % ± 2 % # 16 (1.18 mm) ± 4 % ± 2 % ± 4 % ± 3 % # 30 (600 µm) ± 4 % ± 2.5 % ± 4 % ± 2.5 % Total Dust Content # 200 (75 µm) ± 1.5 % ± 1.0 % ± 1.5 % ± 1.0 %

Asphalt Binder Content ± 0.3 % ± 0.2 % ± 0.2 % ± 0.1 % ± 0.3 % ± 0.2 %

Air Voids 2/ ± 1.2 % ± 1.0 % ± 1.2 % ± 1.0 % ± 1.2 % ± 1.0 % Field VMA 3/ -0.7 % -0.5 % -0.7 % -0.5 % -0.7 % -0.5 %

1/ Based on washed ignition oven or solvent extraction gradation.

2/ The air voids target shall be 3.2 to 4.8 percent.

3/ Allowable limit below minimum design VMA requirement.

Revise Article 1030.09(g)(1) of the Supplemental Specifications with the following:

“(1) The Contractor shall sample approximately 200 lb (91 kg) of mix as required for the

Department’s random mixture verification tests according to Article 1030.09(h)(1).”

Revise Article 1030.09(g)(2) of the Standard Specifications to read:

“(2) The Contractor shall complete split verification sample tests listed in the Limits of Precision table in Article 1030.09(h)(1).”

Revise the second sentence of Article 1030.09(h)(1) of the Supplemental Specifications with the following:

“The random verification mixture sampling interval will be a maximum of 3,000 tons (2,720 metric tons). The Engineer will randomly identify one sample per interval, with a minimum of one sample per mix. If the remaining mix quantity is 600 tons (544 metric tons) or less, the quantity will be combined with the previous interval in the Engineer’s random sample identification. If the required tonnage of a mixture for a single pay item is less than 250 tons (225 metric tons) in total, the Engineer will waive mixture verification sampling and testing.”

Revise the third paragraph of Article 1030.09(h)(1) of the Standard Specifications to read:

“If comparisons of the mixture verification test results are outside the above limits of precision, the Department will verify the results by testing the retained split sample.

The retest results will replace all the original results.”

In the Supplemental Specifications, replace the revision for the end of the third paragraph of Article 1030.09(h)(2) with the following:

“When establishing the target density, the HMA maximum theoretical specific gravity (Gmm) will be the Department mix design verification test result.”

Add after third sentence of Article 1030.09(b) to read:

“ If the Contractor and Engineer agree the nuclear density test method is not appropriate for the mixture, cores shall be taken at random locations determined according to the QC/QA document "Determination of Random Density Test Site Locations". Core densities shall be determined using the Illinois Modified AASHTO T 166 or T 275 procedure.”

Revise Table 1 and Note 4/ of Table 1 in Article 406.07(a) of the Standard Specifications to read:

Breakdown/Intermediate Roller

(one of the following)

Final Roller (one or more of the following)

Density Requirement

IL-9.5, IL-9.5FG,

IL-19.01/

VD, P , TB, 3W, OT, OB VS, TB, TF, OT As specified in Section 1030

IL-4.75 and SMA 3/ 4/

TB, 3W, OT TF, 3W As specified in Section 1030

Mixtures on Bridge Decks 2/

TB TF As specified in Articles 582.05 and

582.06.

“4/ The Contractor shall provide a minimum of two steel-wheeled tandem rollers (T B), and/or three-wheel (3W) rollers for breakdown, except one of the (TB) or (3W) rollers shall be 84 inches (2.14 m) wide and a weight of 315 pound per linear inch (PLI) (5.63 kg/mm) and one of the (TB) or (3W) rollers can be substituted for an oscillatory roller (OT). TF rollers shall be a minimum of 280 lb/in. (50 N/mm). The 3W and TB rollers shall be operated at a uniform speed not to exceed 3 mph (5 km/h), with the drive roll for TB rollers nearest the paver and maintain an effective rolling distance of not more than 150 ft (45 m) behind the paver.”

Add the following after the fourth paragraph of Article 406.13 (b):

“The plan quantities of SMA mixtures shall be adjusted using the actual approved binder and surface Mix Design’s Gmb.”

Revise first paragraph of Article 1030.10 of the Standard Specifications to read:

“A test strip of 300 ton (275 metric tons), except for SMA mixtures it will be 400 ton (363 metric ton), will be required for each mixture on each contract at the beginning of HMA production for each construction year according to the Manual of Test Procedures for Materials “Hot Mix Asphalt Test Strip Procedures”. At the request of the Producer, the Engineer may waive the test strip if previous construction during the current construction year has demonstrated the constructability of the mix using Department test results.”

Revise fourth paragraph of Article 1030.10 of the Standard Specifications to read:

“When a test strip is constructed, the Contractor shall collect and split the mixture according to the document “Hot-Mix Asphalt Test Strip Procedures”. The Engineer, or a representative, shall deliver split sample to the District Laboratory for verification testing. The Contractor shall complete mixture tests stated in Article 1030.09(a). Mixture sampled shall include enough material for the Department to conduct mixture tests detailed in Article 1030.09(a) and in the document “Hot-Mix Asphalt Mixture Design Verification Procedure“ Section 3.3. The mixture test results shall meet the requirements of Articles 1030.05(b) and 1030.05(d), except Hamburg wheel tests will only be conducted on High ESAL mixtures during production. To be considered acceptable to remain in place, the Department’s mixture test results shall meet the acceptable limits stated in Article 1030.09(i)(1). In addition, no visible pavement distress such as, but not limited to, segregation, excessive coarse aggregate fracturing outside of growth curves, excessive dust balls, or flushing shall be present as determined by the Engineer.”

HOT-MIX ASPHALT – MIXTURE DESIGN VERIFICATION AND PRODUCTION

Effective: January 1, 2019 Revised: January 1, 2026

Add to Article 1030.05 (d)(3) of the Standard Specifications to read:

“ During mixture design, prepared samples shall be submitted to the District laboratory by the Contractor for verification testing. The required testing, number and size of prepared samples submitted, shall be according to the following tables.

High ESAL – Required Samples for Verification Testing

Mixture Hamburg Wheel and I-FIT Testing 1/ 2/

Binder total of 3 - 160 mm tall bricks Surface total of 4 - 160 mm tall bricks

Low ESAL – Required Samples for Verification Testing

Mixture I-FIT Testing 1/ 2/

Binder 1 - 160 mm tall brick Surface 2 - 160 mm tall bricks

1/ The compacted gyratory bricks for Hamburg wheel and I-FIT testing shall be

7.5 ± 0.5 percent air voids.

2/ If the Contractor does not possess the equipment to prepare the 160 mm tall brick(s), twice as many 115 mm tall compacted gyratory bricks will be acceptable.

In the Supplemental Specifications, replace the addition of the paragraph between the third and fourth paragraphs of Article 1030.10 with the following:

“When a test strip is not required, each HMA mixture shall still be sampled on the first day of production: I-FIT and Hamburg wheel testing for High ESAL; I-FIT testing for Low ESAL. Within two working days after sampling the mixture, the Contractor shall deliver gyratory cylinders to the District laboratory for Department verification testing. The High ESAL mixture test results shall meet the requirements of Articles 1030.05(d)(3) and 1030.05(d)(4). The Low ESAL mixture test results shall meet the requirements of Article 1030.05(d)(4). The required number and size of prepared samples submitted for the Hamburg wheel and I-FIT testing shall be according to the “High ESAL - Required Samples for Verification Testing” table in Article 1030.05(d)(3) above.”

Replace the eleventh paragraph of Article 1030.10 of the Standard Specifications with the following:

“ If an initial Hamburg wheel or I-FIT test fails to meet the requirements of Article 1030.05(d), the Department will verify the results by testing the retained gyratory cylinders. Upon notification by the Engineer of a Hamburg wheel or I-FIT test failure on the retained gyratory cylinders, the Contractor shall substitute an approved mix design, submit a new mix design for mix verification testing according to Article 1030.05(d), or pave 250 tons with or without an adjustment and resample for Department Hamburg wheel and I-FIT testing as directed by the Engineer. Paving may continue as long as all other mixture criteria is being met. If Hamburg wheel or I-FIT tests on the resampled HMA fail, production of the affected mixture shall cease and the Contractor shall substitute an approved mix design or submit a new mix design for mix verification testing according to Article 1030.05(d).”

Add the following to the end of Article 1030.10 of the Standard Specifications to read:

“Mixture sampled during first day of production shall include approximately 60 lb (27 kg) of additional material for the Department to conduct Hamburg wheel testing and approximately 80 lb (36 kg) of additional material for the Department to conduct I-FIT testing. Within two working days after sampling, the Contractor shall deliver prepared samples to the District laboratory for verification testing. The required number and size of prepared samples submitted for the Hamburg wheel and I-FIT testing shall be according to the “High ESAL - Required Samples for Verification Testing” table in Article 1030.05(d)(3) above.”

ENGINEER’S FIELD OFFICE TYPE A

Effective: January 1, 2022

Revise the first paragraph of Article 670.02 to read:

670.02 Engineer's Field Office Type A (D1). Type A (D1) field offices shall have a ceiling height of not less than 7 feet and a floor space of not less than 1000 square feet with a minimum of two separate offices. The office shall also have a separate storage room capable of being locked for the storage of the nuclear measuring devices. The office shall be provided with sufficient heat, natural and artificial light, and air conditioning. Doors and windows shall be equipped with locks approved by the Engineer.

Add the following to Article 670.07 Basis of Payment.

The building or buildings, fully equipped, will be paid for at the contract unit price per calendar month or fraction thereof for ENGINEER'S FIELD OFFICE, TYPE A (D1).

TREE REMOVAL

Effective: April 1, 2016 Revised: September 2, 2020

Description. This work shall consist of the cutting, grubbing, removal, and disposal of trees in accordance with Section 201 of the Standard Specifications except as herein modified.

Add the following to Article 201.03:

Mechanical equipment shall not be used in areas of standing water. Written permission from the Engineer is required prior to opening, lowering or otherwise disturb existing right-of-way fencing or other permanent fencing to access work.

Add the following to Article 201.04:

The Contractor shall comply with Illinois Department of Agriculture (IDOA) and the United States Department of Agriculture (USDA) quarantine requirements, guidance and restrictions for tree removal and disposal of vegetation.

The Contractor shall maintain vigilance to minimize the spread of Emerald Ash Borer (EAB), other pests and invasive weeds during removal, storage and disposal operations.

Refer to the Illinois Department of Agriculture website at https://www2.illinois.gov/sites/agr/Insects/Pests/EmeraldAshBorer/Pages/default.asp x for additional information on Emerald Ash Borer.

Tree removal cannot occur between April 1st and October 31st due to Agencies commitment to protect bat pup season.

Pay Item Number

Designation Unit of Measure

20100110 TREE REMOVAL (6 TO 15 UNITS DIAMETER) UNIT

20100210 TREE REMOVAL (OVER 15 UNITS DIAMETER) UNIT

EARTH AND ROCK EXCAVATION

Effective: October 29, 2012 Revised: April 6, 2022

Description. This work shall consist of the excavation and transportation of suitable excavated material to embankment locations throughout the limits of the contract, or the excavation, transportation, and disposal of excavated material according to Section 202 of the Standard Specifications except as modified herein. This work also includes the placement of material at embankment locations in accordance with the Illinois Tollway Special Provision for Embankment.

This work does not include excavation for structures or channel excavation.

Revise Article 202.03 of the Standard Specifications to read:

“202.03 Removal and Disposal of Surplus, Unsuitable Materials, and Organic Waste.

Suitable excavated materials of any moisture content shall not be wasted without permission of the Engineer. The Contractor shall dispose of all surplus, unsuitable materials, and organic waste, in such a manner that public or private property will not be damaged or endangered. Suitable but excessively moist excavated materials if used for embankment may be treated in accordance with the Illinois Tollway Special Provision for Embankment to obtain the specified compaction levels.

Suitable earth, stones and boulders naturally occurring within the right-of-way may be placed in fills or embankments in lifts and compacted according to Section 205. Reclaimed Asphalt Pavement (RAP) may be used in embankment or in fill according to the Illinois Tollway Special Provision for Embankment. No material will be allowed for reuse within Tollway right-of-way outside contract limits without prior approval from the Tollway in accordance with Article 107.22 of the Supplemental Specifications.

Excavated Soils are classified for disposal and are also classified for reuse or non-reuse in accordance with the Illinois Tollway Special Provision for Disposal of Regulated Substances and Uncontaminated Soils. Soils approved for reuse may be used for embankment. Aside from the materials listed above, all other construction and demolition debris or waste shall be disposed of in a licensed landfill or otherwise disposed of as allowed by State or Federal laws and regulations.

Organic waste originating within the right-of-way limits may be chipped or shredded and placed as mulch around landscape plantings within the right-of-way when approved by the Engineer. Chipped or shredded material to be placed as mulch shall not exceed a depth of 6 inches.

When the Contractor proposes to dispose of uncontaminated surplus excavated material off the right-of-way, the Contractor shall obtain and file with the Engineer permission in writing, from the property owner, for the use of the property for this purpose. The approval of the proposed disposal site shall be according to Article 107.22 of the Illinois Tollway Supplemental Specifications. Any such disposal shall not create an unsightly or objectionable appearance or detract from the natural topographic features, nor be placed at an elevation higher than that of the adjacent roadway without permission from the Engineer.

A volume of excavated material from sewer trenches, electrical or ITS trenches, drainage structures, or other underground construction is shown on the plans for information.

At the approval of the Engineer, this material may be placed within the right-of-way according to the Illinois Tollway Special Provision for Embankment. Reuse of excavated material from trenches and drainage, electrical, or fiber structures or other underground construction is classified in accordance with the Illinois Tollway Special Provision for Disposal of Regulated Substances and Uncontaminated Soil.

If unsuitable material is present at or below the finished grade, it shall be removed and replaced with suitable material as directed by the Engineer. Unsuitable material shall be placed as approved by the Engineer within the right-of-way according to the Illinois Tollway Special Provision for Embankment.

Revise the first paragraph of Article 202.07(b) to read as follows:

“(b) Measured Quantities. Earth and rock excavation will be measured in their original positions, and the volumes in cubic yards computed by the method of average end areas. The volume of any unsuitable material removed will be measured for payment in cubic yards.”

Revise the second paragraph of Article 202.08 to read as follows:

“Removal and disposal of unsuitable material will be paid for at the contract unit price per cubic yard for REMOVAL AND DISPOSAL OF UNSUITABLE MATERIAL.”

Revise the fourth paragraph of Article 202.08 to read as follows:

When the contract does not contain a pay item for removal and disposal of unsuitable material, hazardous waste, or non-special waste disposal (Type 1) and the item is required, it will be paid for according to Article 109.04 of the Illinois Tollway Supplemental Specifications

Pay Item Number Designation Unit of

Measure

20200100 EARTH EXCAVATION CU YD

20201200 REMOVAL AND DISPOSAL OF UNSUITABLE MATERIAL CU YD

SHOULDER RUMBLE STRIP REMOVAL

Description. This work shall consist of the scarification of existing shoulder rumble strips constructed in hot-mix asphalt shoulders, and the furnishing and placement of warm-mix asphalt in the scarified area, prior to placing traffic onto the shoulder in a construction stage for the work along I-90. This work shall take place per the limits shown on the Plans and/or as directed by the Engineer.

General Requirements. The nominal depth of scarification of the hot-mix asphalt shoulders shall be 2 inches. Unless otherwise shown in the Plans, the width of scarification shall be three (3) feet.

After removing all millings from the scarified limits, the surface shall have a bituminous tack coat applied in accordance with Article 406.05(b) of the Standard Specifications.

The scarified area shall then be filled with warm-mix asphalt surface course and compacted flush with the adjoining pavement and shoulder surfaces. The mix to be used for this item shall be Warm Mix Asphalt Surface Course, Mix D, N70, as per the Illinois Tollway special provision for Asphalt Mixtures, unless otherwise specified in the Contract.

Method of Measurement. This work will be measured for payment in square yards. Any portion of this work constructed outside the dimensions shown on the Plans or as directed by the Engineer will not be measured for payment.

Basis of Payment. This work will be paid at the contract unit price per square yard for

SHOULDER RUMBLE STRIP REMOVAL.

Lane/shoulder closures required for this work will not be paid for separately, but shall be included in the Contract unit price for MAINTENANCE OF TRAFFIC.

ASPHALT SHOULDER RUMBLE STRIP

Description. This work shall consist of installing shoulder rumble strips in asphalt shoulders at locations shown in the plans and in accordance with applicable portions of Tollway Standard Drawing D6 and Section 642 of the Standard Specifications. Disposal of debris shall be performed according to Article 202.03 of the Standard Specifications.

Method of Measurement. This work shall be measured for payment in feet along the edge of shoulder where rumble strips are installed.

Basis of Payment. This work will be paid for at the contract unit price per foot for ASPHALT SHOULDER RUMBLE STRIP Of the width specified.

DELINEATORS

Materials. Materials for roadway delineators shall be in accordance with Article 635.02 of the Standard Specifications, except as modified herein.

Revise the title of Article 1097.03(d) of the Standard Specifications to read;

“Housings. Only Type B housing shall be used.”

CONSTRUCTION REQUIREMENTS

Installing New Delineator Posts and Reflectors. Revise Article 635.04 to read:

Only the Illinois Tollway’s specified type of reflector and geometric shape shall be permitted within the limits of a contract.

For qualification purposes only, ten (10) samples required for tests set forth in these Specifications shall be submitted by the Contractor. In addition, the Engineer will have the right to select 10 samples at random from each shipment for acceptance purposes.

The posts to which the delineator reflectors are fastened shall be vertical and oriented so that the face of the reflector shall be at 90 degrees to the adjacent pavement.

Delineator posts shall be driven to the prescribed depth by either hand or mechanical devices, using a suitable driving cap. Driven posts shall be firm and plumb above the ground. Any posts found battered, bent or damaged after driving or otherwise found not acceptable by the Engineer, shall be removed and replaced by the Contractor at no additional cost to the Illinois Tollway.

Delineator reflectors shall be fastened to the posts with vandal-proof fasteners approved by the Engineer.

The Contractor shall exercise care that the delineators are placed in a satisfactory and uniform alignment both horizontally and vertically. In addition to ordinary inspection, a night inspection shall be made by the Engineer and Contractor from an automobile. Delineators not having satisfactory and uniform night appearance shall be moved and adjusted by the Contractor until acceptable to the Engineer.

Method of Measurement.

This work shall be measured for payment in EACH.

Basis Of Payment.

This work shall be paid for at the contract unit price per EACH for DELINEATORS.

SIGN INSTALLATION

Delete Section 720 of the Standard Specifications and replace it with the following:

Description. This work shall consist of loading signs fabricated by the Tollway at the Tollway’s Sign Shop in Naperville, Illinois, transporting them to the job site and mounting them on overhead structures, bridge mount or ground mount supports, wood posts, telescoping steel posts and/or overhead canopy structures at toll plazas as shown in the Plans and herein specified.

The three types of sign installations are defined by surface area in accordance with the following descriptions:

TYPE 1 9 square feet or less TYPE 2 Greater than 9 square feet and less than 24 square feet TYPE 3 24 square feet or greater

Materials. Post clip bolts and sign panel stitch bolts shall be stainless steel conforming to ASTM A193, Class I Type 304, Grade 33. Aluminum flat washers shall conform to ASTM B209, Alloy 2024- T4 and shall be used under each nut to prevent gouging of the clip. Elastic stop nuts shall be stainless steel conforming to ASTM A194 (AASHTO M292), Grade B8. Aluminum hardware for sign mounting panels shall conform to ASTM B211, Alloy 2024-T4.

CONSTRUCTION REQUIREMENTS

Fabrication. New signs included with this provision will be fabricated in the Tollway’s sign shop in Naperville, Illinois. The Contractor shall obtain and load the signs on his hauling units at the sign shop and transport them to the various erection sites.

Installation. the signs will be made available to the Contractor upon written request. Request must be submitted 4 weeks in advance of when needed. Upon delivery the signs will become the responsibility of the Contractor. The Contractor shall assemble sign sections in the field as needed, erect and attach the signs to the supports. The Contractor shall supply the vertical supports and hardware for attaching the signs and supports to the structure. Extreme care shall be used in tightening elastic stop nuts to avoid excessive torque and cracking. Any nuts so damaged during installation shall be replaced. The Contractor shall exercise due care in handling the signs during all phases of this operation. Any sign that is damaged due to the Contractor’s handling or operations shall be repaired by the Contractor to the satisfaction of the Tollway, at no additional cost to the Illinois Tollway, and without cause for the Contractor claiming delay.

Method of Measurement. This work will be measured for payment in square feet of the actual total surface area of sign faces, including the edge molding, of all signs erected and accepted.

Basis of Payment. This work will be paid at the contract unit price per square foot for SIGN INSTALLLATION of type specified.

MILEPOST MARKER INSTALLATION AND ASSEMBLY

Delete Section 726 of the Standard Specifications and replace it with the following:

Description. This work shall consist of the following:

Loading milepost marker panels fabricated by the Illinois Tollway at the Illinois Tollway’s Sign Shop in Naperville, Illinois, transporting them to the job site and mounting them on telescoping steel posts ground mounted or barrier wall mounted and/or attaching them to light pole or sign structures as shown in the plans using the required mounting hardware.

Furnishing and installing a milepost marker assembly at a location specified in the plans for milepost marker panels furnished by the Illinois Tollway or the Contractor.

Materials. Materials shall be according to the following provisions of the Standard Specifications:

Item Article

(a) Metal Posts and Hardware for Highway markers, Signs and Delineators (Note 1) 1006.29

Note 1. Posts for milepost markers shall be galvanized, 12 gauge steel posts. Hardware for milepost markers shall be zinc coated unless otherwise indicated on the plans.

Construction Methods. New sign panels included with this provision will be fabricated by the Illinois Tollway’s sign shop in Naperville, Illinois. The Contractor shall obtain and load the signs on his hauling units at the sign shop and transport them to the various erection sites.

The Contractor shall exercise due care in handling the sign panels during all phases of this operation. Any sign that is damaged due to the Contractor’s handling or operations shall be repaired by the Contractor to the satisfaction of the Engineer, at no additional cost to the Illinois Tollway, and without cause for the Contractor claiming delay.

Any sign panel that is lost or damaged beyond use shall be replaced by the Contractor at no additional cost to the Illinois Tollway and without cause for the Contractor claiming delay.

The installation shall be as shown on the Illinois Tollway Standard Drawing F11. The assembly shall be installed using all required mounting hardware.

Method of Measurement. When supplied by the Illinois Tollway, the work for MILEPOST MARKER INSTALLATION will be measured for payment per square feet.

Sign panel will be measured in square feet according to Article 720.06 of the Standard Specifications when supplied by the Contractor.

Milepost Marker Assemblies will be measured in units of each.

Basis of Payment. When Tollway supplied, sign installation will be paid for at the Contract unit price per square foot for MILEPOST MARKER INSTALLATION.

When the Contractor supplies the sign panel, sign installation will be paid for at the contract unit price per square foot for SIGN PANEL, TYPE 1 according to Article 720.07 of the Standard Specifications.

Milepost marker assemblies will be paid for at the Contract unit price per square foot for

MILEPOST MARKERS ASSEMBLY, GROUND MOUNTED; MILEPOST MARKERS

ASSEMBLY, BARRIER WALL MOUNTED; or MILEPOST MARKERS ASSEMBLY, POLE

MOUNTED.

REFLECTORS

Replace Article 782.01 of the Standard Specifications with the following:

Description. This work shall consist of furnishing and installing barrier wall reflectors on concrete barrier wall, temporary concrete barrier and guard rail as shown in the Plans and/or as directed by the Engineer.

Add the following to Article 782.02 of the Standard Specifications:

Materials. Materials for reflectors shall be in accordance with Section 1097 of the Tollway Supplemental Specifications.

Adhesives: The adhesives shall be according to the reflector manufacturer’s specifications. For applying the adhesive to concrete, the concrete surface shall be cleaned of form oil, membrane curing compound, protective coat, concrete sealer, or other foreign material. Any laitance shall be removed by grinding, and the thin mortar layer from a normal or rubbed finish per Article 503.15 shall also be removed.

Guardrail and Barrier…