ildot 62W20-009.pdf

Letting July 31, 2026

Notice to Bidders, Specifications and Proposal

Contract No. 62W20 COOK County Section FAI 80 23 BRIDGE REPLACEMENT 2 Route FAI 80 Project NHPP-EU65(445) District 1 Construction Funds

Prepared by F

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.

July 31, 2026 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:

Contract No. 62W20 COOK County Section FAI 80 23 BRIDGE REPLACEMENT 2 Project NHPP-EU65(445) Route FAI 80 District 1 Construction Funds

(1.413-Mile) Bridge Superstructure Replacement (SN 016-0927) consists of widening shoulder widths, replaced approach slabs, continuation of the new shared use pedestrian path, removal and installation of new guardrail, striping ond drainage improvements. The project is in Oak Park Avenue (FAU Route 2774) over I-80 in Tinley Park, IL.

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 re-advertise the proposed improvement, and to waive technicalities.

By Order of the Illinois Department of Transportation

Gia Biagi, Secretary

FAI Route 80 (I-80)

Section FAI 80 23 Bridge Replacement 2 Cook 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

Section FAI 80 23 Bridge Replacement 2

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

3 X EEO

4 Specific EEO Responsibilities Nonfederal-Aid Contracts 5 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 X 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 Concrete Mix Design – Department Provided 32 Station Numbers in Pavements or Overlays

Section FAI 80 23 Bridge Replacement 2 i

TABLE OF CONTENTS

LOCATION OF PROJECT

DESCRIPTION OF PROJECT

MAINTENANCE OF ROADWAYS (D1)

PUBLIC CONVENIENCE AND SAFETY (D1)

EMBANKMENT I (D1)

HOT-MIX ASPHALT BINDER AND SURFACE COURSE (D1)

TRAFFIC CONTROL PLAN (D1)

STATUS OF UTILITIES (D-1)

CLEANING EXISTING DRAINAGE STRUCTURES (D1)

ENGINEER’S FIELD OFFICE TYPE A (D1)

TRAFFIC CONTROL AND PROTECTION (ARTERIALS) (D1)

FRICTION AGGREGATE (D1)

MINERALIZED CARBON DIOXIDE CONCRETE (D-1)

HOT-MIX ASPHALT – MIXTURE DESIGN VERIFICATION AND PRODUCTION (D1)

KEEPING THE EXPRESSWAY OPEN TO TRAFFIC

FAILURE TO OPEN TRAFFIC LANES TO TRAFFIC

TRAFFIC CONTROL AND PROTECTION (EXPRESSWAYS)

TRAFFIC CONTROL SURVEILLANCE (EXPRESSWAYS)

TEMPORARY INFORMATION SIGNING

TRAFFIC CONTROL FOR WORK ZONE AREAS

SPEED DISPLAY TRAILER (D1)

RAISED REFLECTIVE PAVEMENT MARKER, REFLECTOR REMOVAL

RAISED REFLECTIVE PAVEMENT MARKER, REFLECTOR REPLACEMENT

TEMPORARY TRAFFIC SIGNAL TIMING

GENERAL ELECTRICAL REQUIREMENTS

MAINTENANCE OF LIGHTING SYSTEMS

UNDERPASS LUMINAIRE, LED

UNIT DUCT

WIRE AND CABLE

WIREWAY AND CONDUIT SYSTEMS

COFFERDAM (TYPE 1) (IN-STREAM/WETLAND WORK) (D1)

AGGREGATE FOR CONCRETE BARRIER (D1)

APPROACH SLAB REMOVAL

BRIDGE APPROACH PAVEMENT CONNECTOR (SPECIAL)

Section FAI 80 23 Bridge Replacement 2 ii

REMOVAL AND DISPOSAL OF REGULATED SUBSTANCES (PROJECT SPECIFIC)

FIRE HYDRANTS TO BE RELOCATED

JUNCTION BOXES

PIPE DRAIN REMOVAL

PROPOSED STORM SEWER CONNECTION TO EXISTING STORM SEWER

PROTECTIVE SHIELD REMOVAL

SANITARY MANHOLES TO BE ADJUSTED OR RECONSTRUCTED

SHOULDER INLET WITH CURB

SHOULDER RUMBLE STRIP REMOVAL

UNDERDRAIN HEADWALL MARKER

UNDERGROUND CONDUIT, 3” DIA., COILABLE NONMETALLIC CONDUIT

UTILITY VAULTS

BRIDGE DECK CONSTRUCTION

HOT DIP GALVANIZING FOR STRUCTURAL STEEL

PREFORMED PAVEMENT JOINT SEAL

BAR SPLICERS, HEADED REINFORCEMENT

AGGREGATE SUBGRADE IMPROVEMENT (BDE)

BITUMINOUS MATERIALS COST ADJUSTMENTS (BDE)

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

COMPENSABLE DELAY COSTS (BDE)

CONCRETE BARRIER (BDE)

CONCRETE SEALER (BDE)

CONSTRUCTION AIR QUALITY – DIESEL RETROFIT (BDE)

EROSION CONTROL BLANKET (BDE)

FUEL COST ADJUSTMENT (BDE)

GUARDRAIL (BDE)

HOT-MIX ASPHALT – LONGITUDINAL JOINT SEALANT (BDE)

INLET FILTERS

PAVEMENT MARKING (BDE)

PAVEMENT PATCHING (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)

Section FAI 80 23 Bridge Replacement 2 iii

SOURCE OF SUPPLY AND QUALITY REQUIREMENTS (BDE)

STEEL COST ADJUSTMENT (BDE)

STRUCTURAL REPAIR OF CONCRETE (BDE)

SUBCONTRACTOR AND DBE PAYMENT REPORTING (BDE)

SUBCONTRACTOR MOBILIZATION PAYMENTS (BDE)

SUBMISSION OF BIDDERS LIST INFORMATION (BDE)

SUBMISSION OF PAYROLL RECORDS – FEDERAL AID CONTRACT (BDE)

SURFACE TESTING OF PAVEMENTS – IRI (BDE)

SURVEYING SERVICES (BDE)

TEMPORARY CONCRETE BARRIER (BDE)

TRAINING SPECIAL PROVISIONS (BDE)

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

VEHICLE AND EQUIPMENT WARNING LIGHTS (BDE)

WATERPROOFING MEMBRANE SYSTEM (BDE)

WORK ZONE TRAFFIC CONTROL DEVICES (BDE)

WORK ZONE WIDTH RESTRICTION (BDE)

WORKING DAYS (BDE)

DISADVANTAGED BUSINESS ENTERPRISE PARTICIPATION (BDE)

WEEKLY DBE TRUCKING REPORTS (BDE)

STORM WATER POLLUTION PREVENTION PLAN

PROJECT LABOR AGREEMENT

Section FAI 80 23 Bridge Replacement 2

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 FAI Route 80 (I-80), Project NHPP-EU65(445), Section FAI 80 23 Bridge Replacement 2, Cook County, Contract No. 62W20 and in case of conflict with any part or parts of said Specifications, the said Special Provisions shall take precedence and shall govern.

Section FAI 80 23 Bridge Replacement 2

LOCATION OF PROJECT

The project is located on Oak Park Avenue (FAU Route 2774) over I-80 in Tinley Park, IL.

DESCRIPTION OF PROJECT

The project primarily consists of a bridge superstructure replacement and widening of Oak Park Avenue over I-80 to accommodate increased shoulder widths and the addition of a shared pedestrian path in Tinley Park, IL. Additional project scope includes replaced approach slabs, continuation of the new shared use pedestrian path, removal and installation of new guardrail, striping, drainage improvements, and any other work necessary to complete the project as shown on the plans and as described herein.

Section FAI 80 23 Bridge Replacement 2

MAINTENANCE OF ROADWAYS (D1)

Effective: September 30, 1985 Revised: November 1, 1996

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 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 (D1)

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.”

Section FAI 80 23 Bridge Replacement 2

EMBANKMENT I (D1)

Effective: March 1, 2011 Revised: November 1, 2013

Description. This work shall be according to Section 205 of the Standard Specifications except for the following.

Material. All material shall be approved by the District Geotechnical Engineer. The proposed material must meet the following requirements.

a) The laboratory Standard Dry Density shall be a minimum of 90 lb/cu ft (1450 kg/cu m) when determined according to AASHTO T 99 (Method C).

b) The organic content shall be less than ten percent determined according to AASHTO T 194 (Wet Combustion).

c) Soils which demonstrate the following properties shall be restricted to the interior of the embankment and shall be covered on both the sides and top of the embankment by a minimum of 3 ft (900 mm) of soil not considered detrimental in terms of erosion potential or excess volume change.

1) A grain size distribution with less than 35 percent passing the number 75 um (#200) sieve.

2) A plasticity index (Pl) of less than 12.

3) A liquid limit (LL) in excess of 50.

d) Reclaimed asphalt shall not be used within the ground water table or as a fill if ground water is present.

e) The RAP used shall be according to the current Bureau of Materials and Physical Research Policy Memorandum, “Reclaimed Asphalt Pavement (RAP) for Aggregate Applications”. Gradation deleterious count shall not exceed 10% of total RAP and 5% of other by total weight.

CONSTRUCTION REQUIREMENTS

Samples. Embankment material shall be sampled, tested, and approved before use. The contractor shall identify embankment sources, and provide equipment as the Engineer requires, for the collection of samples from those sources. Samples will be furnished to the Geotechnical Engineer a minimum of three weeks prior to use in order that laboratory tests for approval and compaction can be performed. Embankment material placement cannot begin until tests are completed and approval given.

Section FAI 80 23 Bridge Replacement 2

Placing Material. In addition to Article 202.03, broken concrete, reclaimed asphalt with no expansive aggregate, or uncontaminated dirt and sand generated from construction or demolition activities shall be placed in 6 inches (150 mm) lifts and disked with the underlying lift until a uniform homogenous material is formed. This process also applies to the overlaying lifts. The disk must have a minimum blade diameter of 24 inches (600 mm).

When embankments are to be constructed on hillsides or existing slopes that are steeper than 3H:1V, steps shall be keyed into the existing slope by stepping and benching as shown in the plans or as directed by the engineer.

Compaction. Soils classification for moisture content control will be determined by the Soils Inspector using visual field examination techniques and the IDH Textural Classification Chart.

When tested for density in place each lift shall have a maximum moisture content as follows.

a) A maximum of 110 percent of the optimum moisture for all forms of clay soils.

b) A maximum of 105 percent of the optimum moisture for all forms of clay loam soils.

Stability. The requirement for embankment stability in Article 205.04 will be measured with a Dynamic Cone Penetrometer (DCP) according to the test method in the IDOT Geotechnical Manual. The penetration rate must be equal or less than 1.5 inches (38 mm) per blow.

Basis of Payment. This work will not be paid separately but will be considered as included in the various items of excavation.

HOT-MIX ASPHALT BINDER AND SURFACE COURSE (D1)

Effective: November 1, 2019 Revised: January 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.”

Section FAI 80 23 Bridge Replacement 2

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”

Section FAI 80 23 Bridge Replacement 2

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..”

Section FAI 80 23 Bridge Replacement 2

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 m) 12 16 12 18 15 30

#50 (300 m) 6 15 4 15 8 15 15 30

#100 (150 m) 4 9 3 10 6 10 10 18

#200 (75 m) 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 m)

≤ 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.”

Section FAI 80 23 Bridge Replacement 2

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.”

Section FAI 80 23 Bridge Replacement 2

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.”

Section FAI 80 23 Bridge Replacement 2

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)(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).”

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.”

Section FAI 80 23 Bridge Replacement 2

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.”

Section FAI 80 23 Bridge Replacement 2

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.”

TRAFFIC CONTROL PLAN (D1)

Effective: September 30, 1985 Revised: January 1, 2007

Traffic Control shall be according to the applicable sections of the Standard Specifications, the Supplemental Specifications, the "Illinois Manual on Uniform Traffic Control Devices for Streets and Highways", any special details and Highway Standards contained in the plans, and the Special Provisions contained herein.

Special attention is called to Article 107.09 of the Standard Specifications and the following Highway Standards, Details, Quality Standard for Work Zone Traffic Control Devices, Recurring Special Provisions and Special Provisions contained herein, relating to traffic control.

The Contractor shall contact the District One Bureau of Traffic at least 72 hours in advance of beginning work.

Section FAI 80 23 Bridge Replacement 2

STANDARDS:

701006 OFF-RD OPERATIONS, 2L, 2W, 15’ (4.5m) TO 24” (600mm) FROM PAVEMENT

EDGE

701106 OFF-ROAD OPERATIONS, MULTILANE, MORE THAN 15’ (4.5m) AWAY

701201 LANE CLOSURE, 2L, 2W, DAY ONLY, FOR SPEEDS ≥ 45 MPH

701301 LANE CLOSURE, 2L, 2W, SHORT TIME OPERATIONS

701311 LANE CLOSURE, 2L, 2W, MOVING OPERATIONS DAY ONLY

701400 APPROACH TO LANE CLOSURE FREEWAY EXPRESSWAY

701401 LANE CLOSURE FREEWAY EXPRESSWAY

701411 LANE CLOSURE MULTILANE ENTRANCE OR EXT RAMP ≥ 45 MPH

701428 TRAFFIC CONTROL SETUP REMOVAL FREEWAY EXPRESSWAY

701446 TWO LANE CLOSURE FREEWAY / EXPRESSWAY

701501 URBAN LANE CLOSURE, 2L, 2W, UNDIVIDED

701701 URBAN LANE CLOSURE MULTILANE INTERSECTION

701801 SIDEWALK, CORNER OR CROSSWALK CLOSURE

701901 TRAFFIC CONTROL DEVICES

704001 TEMPORARY CONCRETE BARRIER

782006 GAURDRAIL AND BARRIER WALL REFLECTOR MOUNTING DETAILS

DETAILS:

TC-08 ENTRANCE AND EXIT RAMP CLOSURE DETAILS

TC-09 TRAFFIC CONTROL DETAILS FOR FREEWAY & MULTI-LANE WEAVE

TC-10 TRAFFIC CONTROL AND PROTECTION FOR SIDE ROADS,

INTERSECTIONS, AND DRIVEWAYS

TC-11 TYPICAL APPLICATIONS RASIED REFLECTIVE PAVEMENT MARKERS

(SNOW-PLOW RESISTANT)

TC-12 MULTI-LANE FREEWAY PAVEMENT MARKING DETAIL

TC-13 DISTRICT ONE TYPICAL PAVEMENT MARKINGS

TC-14 TRAFFIC CONTROL AND PROTECTION AT TURN BAYS (TO REMAIN OPEN

TO TRAFFIC)

TC-16 SHORT TERM PAVEMENT MARKING LETTERS AND SYMBOLS

TC-17 TRAFFIC CONTROL DETAILS FOR FREEWAY SHOULDER CLOSURES

AND PARTIAL RAMP CLOSURES

TC-21 DETOUR SIGNING FOR CLOSING STATE HIGHWAYS

TC-22 ARTERIAL ROAD INFORMATION SIGN

Section FAI 80 23 Bridge Replacement 2

SPECIAL PROVISIONS:

MAINTENANCE OF ROADWAYS (D1)

PUBLIC CONVENIENCE AND SAFETY (D1)

TRAFFIC CONTROL & PROTECTION (ARTERIALS) (D1)

TRAFFIC CONTROL PLAN (D1)

KEEPING THE EXPRESSWAY OPEN TO TRAFFIC (D1)

FAILURE TO OPEN TRAFFIC LANES TO TRAFFIC (D1)

TRAFFIC CONTROL AND PROTECTION (EXPRESSWAYS) (D1)

TRAFFIC CONTROL SURVIELLANCE (EXPRESSWAYS) (D1)

TEMPORARY INFORMATION SIGNING (D1)

TRAFFIC CONTROL FOR WORK ZONE AREAS (D1)

SPEED DISPLAY TRAILER (D1)

RAISED REFLECTIVE PAVEMENT MARKER REFLECTOR REMOVAL

RAISED REFLECTIVE PAVEMENT MARKER REFLECTOR REPLACEMENT

TEMPORARY TRAFFIC SIGNAL TIMING

PAVEMENT MARKING (BDE)

PREFORMED PLASTIC PAVEMENT MARKING (BDE)

SHORT TERM & TEMPORARY PAVEMENT MARKINGS (BDE)

TEMPORARY CONCRETE BARRIER (BDE)

VEHICLE AND EQUIPMENT WARNING LIGHTS (BDE)

WORK ZONE TRAFFIC CONTROL DEVICES (BDE)

WORK SONE WIDTH RESTRICTIONS (BDE)

COMPLETION DATE PLUS WORKING DAYS (D1)

STATUS OF UTILITIES (D-1)

Effective: June 1, 2016 Revised: April 1, 2025

Utility companies and/or municipal owners located within the construction limits of this project have provided the following information regarding their facilities and the proposed improvements. The tables below contain a description of specific conflicts to be resolved and/or facilities which will require some action on the part of the Department’s contractor to proceed with work. Each table entry includes an identification of the action necessary and, if applicable, the estimated duration required for the resolution.

UTILITIES TO BE ADJUSTED

Conflicts noted below have been identified by following the suggested staging plan included in the contract.

The company has been notified of all conflicts and will be required to obtain the necessary permits to complete their work; in some instances, resolution will be a function of the construction staging. The responsible agency must relocate, or complete new installations as noted below; this work has been deemed necessary to be complete for the Department’s contractor to then work in the stage under which the item has been listed.

Section FAI 80 23 Bridge Replacement 2

Pre-Stage

STAGE /

LOCATION

TYPE DESCRIPTION

RESPONSIBLE

AGENCY

DURATION OF TIME

Stage 1

STAGE / LOCATION TYPE DESCRIPTION

RESPONSIBLE

AGENCY

DURATION OF TIME

STA 287+90 LT Junction Box Utility Junction Box AT&T

STA 307+37 LT, RT

Line pole w/ guy wire Line Pole Relocation ComEd 3 Days

Stage 2

STAGE / LOCATION TYPE DESCRIPTION

RESPONSIBLE

AGENCY

DURATION OF TIME

No conflicts to be resolved (or if there are conflicts, they are to be listed as noted above)

Pre-Stage: ________ Days Total Installation Stage 1: ________ Days Total Installation Stage 2: ________ Days Total Installation

The following contact information is what was used during the preparation of the plans as provided by the Agency/Company responsible for resolution of the conflict.

Agency/Company Responsible to

Resolve Conflict

Name of contact Phone E-mail address

AT&T Chris Cass 708-972-8993 Cc4361@att.com ComeEd Simone Harris 779-231-2671 Simone.Harris@ComEd.com

Section FAI 80 23 Bridge Replacement 2

UTILITIES TO BE WATCHED AND PROTECTED

The areas of concern noted below have been identified by following the suggested staging plan included for the contract. The information provided is not a comprehensive list of all remaining utilities, but those which during coordination were identified as ones which might require the Department’s contractor to take into consideration when making the determination of the means and methods that would be required to construct the proposed improvement. In some instances, the contractor will be responsible to notify the owner in advance of the work to take place so necessary staffing on the owner’s part can be secured.

All Stages

STAGE / LOCATION TYPE DESCRIPTION OWNER

STA 251+90 to 326+50 Aerial Lines Aerial Cable

AT&T

STA 251+90 to 326+50 Underground

Cables Buried Cables

Underground

Cables

1’4”, 2-4” & 5-4” PC

Manholes and pedestals

MH# 236, MH#237, MH# 238,

MH#239 & MH #240, Pedestals

STA 251+90 to 286+00 Gas Line 4” PE ’97 Gas Line

Nicor Gas

STA 284+00 to 286+00 Gas Line 4” PE ’97 Gas Line, 4” PE 2008 Gase Line

Nicor Gas

STA 310+00 to 326+50 Gas Line

2” PE ’96, 2” PE ’99, 2” PE 2000, 2”

PE 2002

Nicor Gas

STA 251+90 to 326+50 Line Pole Line pole w/ guy wire ComEd

STA 251+90 to 326+50 Sewer Line Existing sewer line and various manholes

MWRD

STA 313+00 to 326+50 Storm Sewer 66” CMP Storm Sewer MWRD

Note: Existing facilities within the limits of construction to be protected from damage by contractor. If excavation will be performed near poles or large equipment will be used near existing overhead lines, facility protection may be required. If facility protection is required, please call 1-800-334-7661 to create a ticket for line and/or pole protection as soon as possible.

No facilities requiring extra consideration (or listed as noted above)

Section FAI 80 23 Bridge Replacement 2

The following contact information is what was used during the preparation of the plans as provided by the owner of the facility.

Agency/Company Responsible to

Resolve Conflict

Name of contact Phone E-mail address

AT&T Chris Cass 708-972-8993 cc4361@att.com MWRD Paul Sobanski 708-588-4080 SobanskiP@mwrd.org Nicor Karey Johnson 224-471-9356 karejohn@sothernco.com

ComEd Simone Harris 779-231-2671 Simone.Harris@ComEd.com

The above represents the best information available to the Department and is included for the convenience of the bidder. The days required for conflict resolution should be considered in the bid as this information has also been factored into the timeline identified for the project when setting the completion date. The applicable portions of the Standard Specifications for Road and Bridge Construction shall apply.

Estimated duration of time provided above for the first conflicts identified will begin on the date of the executed contract regardless of the status of the utility relocations. The responsible agencies will be working toward resolving subsequent conflicts in conjunction with contractor activities in the number of days noted.

The estimated relocation duration must be part of the progress schedule submitted by the contractor. A utility kickoff meeting will be scheduled between the Department, the Department’s contractor, and the utility companies when necessary.

The contractor is responsible for contacting JULIE (or DIGGER within the City of Chicago) prior to any excavation work. Please note that IDOT electrical facilities are not part of the one-call locating services, such as JULIE or DIGGER.

If the contract requires the services of an electrical contractor, it is the contractor’s responsibility, at their own expense, to locate existing IDOT electrical facilities before commencing work. For contracts that do not require an electrical contractor, the contractor may request one free locate of IDOT electrical facilities by contacting the Department’s Electrical Maintenance Contractor. Additional locate requests will be at the contractor’s expense.

The Department’s Electrical Maintenance Contractor must be notified at least 72 hours in advance of the work by calling 773-287-7600 or emailing dispatch@meade100.com to arrange for the locating of underground electrical facilities.

Please note, the marking of underground facilities does not absolve the contractor of their responsibility to repair or replace any facilities damaged during construction at their expense.

Section FAI 80 23 Bridge Replacement 2

CLEANING EXISTING DRAINAGE STRUCTURES (D1)

Effective: September 30, 1985 Revised: May 1, 2022

All existing storm sewers, pipe culverts, manholes, catch basins and inlets shall be considered as drainage structures insofar as the interpretation of this Special Provision is concerned. When specified for payment, the location of drainage structures to be cleaned will be determined in the field by the Engineer.

All existing drainage structures which are to be adjusted or reconstructed shall be cleaned according to Article 602.15 of the Standard Specifications. This work will be paid for according to accordance with Article 602.16 of the Standard Specifications.

All other existing drainage structures which are specified to be cleaned by the Engineer will be cleaned according to Article 602.15 of the Standard Specifications.

Basis of Payment. This work will be paid for at the contract unit price each for DRAINAGE STRUCTURES TO BE CLEANED, and at the contract unit price per foot (meter) for STORM SEWERS TO BE CLEANED, of the diameter specified.

ENGINEER’S FIELD OFFICE TYPE A (D1)

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).

Section FAI 80 23 Bridge Replacement 2

TRAFFIC CONTROL AND PROTECTION (ARTERIALS) (D1)

Effective: February 1, 1996 Revised: March 1, 2011

Specific traffic control plan details and Special Provisions have been prepared for this contract.

This work shall include all labor, materials, transportation, handling and incidental work necessary to furnish, install, maintain and remove all traffic control devices required as indicated in the plans and as approved by the Engineer.

When traffic is to be directed over a detour route, the Contractor shall furnish, erect, maintain and remove all applicable traffic control devices along the detour route according to the details shown in the plans.

Method of Measurement: All traffic control (except “Traffic Control and Protection (Expressways)” and temporary pavement markings) indicated on the traffic control plan details and specified in the Special Provisions will be measured for payment on a lump sum basis.

Basis of Payment: All traffic control and protection will be paid for at the contract lump sum price for TRAFFIC CONTROL AND PROTECTION (SPECIAL).

Temporary pavement markings will be paid for separately unless shown on a Standard.

FRICTION AGGREGATE (D1)

Effective: January 1, 2011 Revised: December 1, 2021

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

“1004.03 Coarse Aggregate for Hot-Mix Asphalt (HMA). The aggregate shall be according to Article 1004.01 and the following.

(a) Description. The coarse aggregate for HMA shall be according to the following table.

Use Mixture Aggregates Allowed

Class A Seal or Cover Allowed Alone or in Combination 5/:

Gravel Crushed Gravel Carbonate Crushed Stone Crystalline Crushed Stone Crushed Sandstone Crushed Slag (ACBF) Crushed Steel Slag Crushed Concrete

Section FAI 80 23 Bridge Replacement 2

HMA

Low ESAL

Stabilized Subbase or Shoulders

Allowed Alone or in Combination 5/:

Gravel Crushed Gravel Carbonate Crushed Stone Crystalline Crushed Stone Crushed Sandstone Crushed Slag (ACBF) Crushed Steel Slag1/

Crushed Concrete

HMA

High ESAL Low ESAL

Binder

IL-19.0

or IL-19.0L

SMA Binder

Allowed Alone or in Combination 5/ 6/:

Crushed Gravel Carbonate Crushed Stone2/ Crystalline Crushed Stone Crushed Sandstone Crushed Slag (ACBF) Crushed Concrete3/

HMA

High ESAL Low ESAL

C Surface and Binder

IL-9.5

IL-9.5FG

or IL-9.5L

Allowed Alone or in Combination 5/:

Crushed Gravel Carbonate Crushed Stone2/ Crystalline Crushed Stone Crushed Sandstone Crushed Slag (ACBF) Crushed Steel Slag4/ Crushed Concrete3/

HMA

High ESAL

D Surface and Binder

IL-9.5

or IL-9.5FG

Allowed Alone or in Combination 5/:

Crushed Gravel Carbonate Crushed Stone (other than Limestone)2/ Crystalline Crushed Stone Crushed Sandstone Crushed Slag (ACBF) Crushed Steel Slag4/

Other Combinations Allowed:

Up to... With...

25% Limestone Dolomite

50% Limestone Any Mixture D aggregate other than Dolomite

75% Limestone Crushed Slag (ACBF) or Crushed Sandstone

Section FAI 80 23 Bridge Replacement 2

HMA

High ESAL

E Surface

IL-9.5

SMA

Ndesign 80 Surface

Allowed Alone or in Combination 5/ 6/:

Crushed Gravel

Crystalline Crushed Stone Crushed Sandstone Crushed Slag (ACBF) Crushed Steel Slag

No Limestone.

Other Combinations Allowed:

Up to... With...

50% Dolomite2/ Any Mixture E aggregate

75% Dolomite2/ Crushed Sandstone, Crushed Slag (ACBF), Crushed Steel Slag, or Crystalline Crushed Stone

75% Crushed Gravel2/

Crushed Sandstone, Crystalline Crushed Stone, Crushed Slag (ACBF), or Crushed Steel Slag

HMA

High ESAL

F Surface

IL-9.5

SMA

Ndesign 80 Surface

Allowed Alone or in Combination 5/ 6/:

Crystalline Crushed Stone Crushed Sandstone Crushed Slag (ACBF) Crushed Steel Slag No Limestone.

Other Combinations Allowed:

Up to... With...

50% Crushed Gravel2/ or Dolomite2/

Crushed Sandstone, Crushed Slag (ACBF), Crushed Steel Slag, or Crystalline Crushed Stone

Section FAI 80 23 Bridge Replacement 2

1/ Crushed steel slag allowed in shoulder surface only.

2/ Carbonate crushed stone (limestone) and/or crushed gravel shall not be used in SMA

Ndesign 80.

3/ Crushed concrete will not be permitted in SMA mixes.

4/ Crushed steel slag shall not be used as binder.

5/ When combinations of aggregates are used, the blend percent measurements shall be by volume.”

6/ Combining different types of aggregate will not be permitted in SMA Ndesign 80.”

MINERALIZED CARBON DIOXIDE CONCRETE (D-1)

Effective: January 1, 2026

Description. This work shall consist of the proportioning, mixing, placement, curing, and evaluation testing of portland cement concrete that utilizes an admixture which promotes carbon dioxide (CO 2) mineralization or an equivalent effect at the Contractor’s option.

Materials. Materials shall be according to the following.

Item Article/Section

(a) Portland Cement Concrete (Note 1) 1020

(b) Concrete Admixtures (Note 2) 1021

Note 1: Concrete shall meet the requirements of Class SI concrete used for the construction of curb and gutter, driveways, sidewalks and other applications as allowed by the Engineer.

However, the mix design cement content shall be reduced by 3 to 6 % and an admixture which promotes CO 2 mineralization, or an equivalent effect shall utilized.

Note 2: The admixture which promotes CO 2 mineralization, or an equivalent effect shall be food grade quality from a nearby supplier. In addition, it shall, at a minimum, be according to AASHTO M 194 , Type S (specific performance). The Department also reserves the right to require other testing, as determined by the Engineer, to show evidence of specific performance characteristics. Testing according to AASHTO M 194 and other testing if required by the Engineer shall be by an independent laboratory accredited by AASHTO re:source for Portland Cement Concrete. Test data required to be submitted to AASHTO Product Eval and Audit according to Article 1021.01 and other testing data, if required by the Engineer, shall be submitted to the Department. The independent accredited lab report shall show the results of physical tests conducted no more than five years prior to the time of submittal.

Section FAI 80 23 Bridge Replacement 2

Mix Design Verification and Evaluation. The mineralized CO 2 concrete mix design will be verified by the Engineer. Verification of a mix design shall in no manner be construed as acceptance of any mixture produced.

Equipment. Equipment shall be according to applicable portions of Sections 420, 424, 483, and 606; except special equipment needed for production of mineralized CO 2 concrete shall be approved by the Engineer.

Construction Requirements. Construction requirements shall be according to applicable portions of Sections 420, 424, 483, and 606.

The placement locations for the mineralized CO 2 concrete shall be according to the plans or as directed by the Engineer.

The same mixture proportions shall be used for the entire project, unless otherwise stated in the project documents. If during the project there is a change in the type or source of the cement, finely divided minerals, aggregates, or CO 2 mineralization admixture; the mixing shall be suspended, and a new mix design shall be developed, and re-verified.

The cost of this work shall be included in the contract unit price of the PCC pay item involved.

HOT-MIX ASPHALT – MIXTURE DESIGN VERIFICATION AND PRODUCTION (D1)

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

Section FAI 80 23 Bridge Replacement 2

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.