Letting September 18, 2026

Notice to Bidders, Specifications and Proposal

Contract No. 61M59 MCHENRY County Section 22-00071-00-RS (Harvard) Routes FAU 0006 & & (Marengo Road) Project 4QHB-278 () 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.

September 18, 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. 61M59 MCHENRY County Section 22-00071-00-RS (Harvard) Project 4QHB-278 () Routes FAU 0006 & & (Marengo Road) District 1 Construction Funds

Full-Depth reclamation, HMA binder and surface, aggregate shoulder, and the construction of a shared-use path from Airport Road to IL 23 in Harvard.

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

CONTRACT 61M59

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 EEO

4 Specific EEO Responsibilities Non Federal-Aid Contracts 5 Required Provisions - State Contracts 6 Asbestos Bearing Pad Removal 7 Asbestos Waterproofing Membrane and Asbestos HMA Surface Removal 8 Temporary Stream Crossings and In-Stream Work Pads 9 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 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

LOCAL ROADS AND STREETS RECURRING SPECIAL PROVISIONS

Table of Contents

CHECK SHEET # PAGE NO.

LRS 1 Reserved LRS 2 Furnished Excavation LRS 3 Work Zone Traffic Control Surveillance LRS 4 Flaggers in Work Zones LRS 5 Contract Claims LRS 6 Bidding Requirements and Conditions for Contract Proposals LRS 7 Bidding Requirements and Conditions for Material Proposals LRS 8 Reserved LRS 9 Bituminous Surface Treatments LRS 10 Reserved LRS 11 Employment Practices LRS 12 Wages of Employees on Public Works LRS 13 Selection of Labor LRS 14 Paving Brick and Concrete Paver Pavements and Sidewalks LRS 15 Partial Payments LRS 16 Protests on Local Lettings LRS 17 Substance Abuse Prevention Program LRS 18 Multigrade Cold Mix Asphalt LRS 19 Reflective Crack Control Treatment

City of Harvard Marengo Rd (FAU 0006/FAU 0205) Section No. 22-00071-00-RS McHenry County

Contract #:61M59 i

INDEX OF SPECIAL PROVISIONS

LOCATION OF PROJECT

PROJECT DESCRIPTION

SAWCUTTING

STATUS OF UTILITIES (D-1)

SHOULDER REMOVAL (SPECIAL)

MAILBOXES TO BE RELOCATED

TRENCH BACKFILL (SPECIAL)

AGGREGATE FOR TEMPORARY ACCESS

DRAINAGE STRUCTURES TO BE ADJUSTED

FULL-DEPTH RECLAMATION, 9” WITH CEMENT STABILIZATION

RELOCATE EXISTING MAILBOX

HOT-MIX ASPHALT DRIVEWAY PAVEMENT, 3”

PORTLAND CEMENT CONCRETE SIDEWALK, 5 INCH

CONSTRUCTION LAYOUT

PAVEMENT REMOVAL

TRAFFIC CONTROL AND PROTECTION, (SPECIAL)

REMOVE EXISTING FLARED END SECTION

MAILBOX REMOVAL AND REPLACEMENT

COMBINATION CONCRETE CURB & GUTTER TYPE B-6.12

FAILURE TO COMPLETE PLANT CARE AND ESTABLISHMENT WORK ON TIME

PLANTING WOODY PLANTS

PROTECTION OF EXISTING TREES

SUPPLEMENTAL WATERING

TEMPORARY TRAFFIC SIGNAL TIMING

ADJUSTMENTS AND RECONSTRUCTIONS (D1)

MINERALIZED CARBON DIOXIDE CONCRETE (D-1)

DRAINAGE AND INLET PROTECTION UNDER TRAFFIC (D-1)

FRICTION AGGREGATE (D-1)

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

HOT-MIX ASPHALT BINDER AND SURFACE COURSE (D1)

MAINTENANCE OF ROADWAYS (D-1)

PUBLIC CONVENIENCE AND SAFETY (D-1)

EMBANKMENT II (D1)

TEMPORARY INFORMATION SIGNING (D-1)

TRAFFIC CONTROL PLAN (D-1)

AVAILABLE REPORTS

LR 107-4..…………………………………………………………..……………………………………………………………55

LR 1030………………………………………………………………………..………………………………………….…..…56

Section No. 22-00071-00-RS McHenry County

Contract #:61M59 i

LR 1030-2…………………………………..……………….………………….……………………………………….………58

IEPA LPC-663 PERMIT…………………………………………………………………………….………………………..60

HARVARD STORMWATER PERMIT.………………………………………………………..………………….…….66

SWPPP PERMIT…………………………………………………………………..……………………….…………....……68

IEPA PERMIT…………………………..…………………………………………..……………………….…………….……80

N:\HARVARD\100's\110001.00115\Civil\Docs\Final Final Final Submittal July 21, 2026\3-Special Provisions Final.072126.docx

BDE SPECIAL PROVISIONS

The following special provisions indicated by an “X” are applicable to this contract. An * indicates a new or revised special provision for the letting.

File Name Pg. Special Provision Title Effective Revised 80099 Accessible Pedestrian Signals (APS) April 1, 2003 Jan. 1, 2022 _ 80274 85 Aggregate Subgrade Improvement April 1, 2012 April 1, 2022 80192 Automated Flagger Assistance Device Jan. 1, 2008 April 1, 2023 80173 Bituminous Materials Cost Adjustments Nov. 2, 2006 Aug. 1, 2017 80426 Bituminous Surface Treatment with Fog Seal Jan. 1, 2020 April 1, 2026 80475 Bridge Deck Concrete Overlays Jan. 1, 2026 80241 Bridge Demolition Debris July 1, 2009

5053I Building Removal Sept. 1, 1990 Aug. 1, 2022 5026I Building Removal with Asbestos Abatement Sept. 1, 1990 Aug. 1, 2022

80460 88 Cement, Finely Divided Minerals, Admixtures, Concrete, and Mortar Jan. 1, 2025 Jan. 1, 2026 80384 105 Compensable Delay Costs June 2, 2017 April 1, 2019 80198 Completion Date (via calendar days) April 1, 2008 80199 Completion Date (via calendar days) Plus Working Days April 1, 2008 80461 Concrete Barrier Jan. 1, 2025 80453 Concrete Sealer Nov. 1, 2023 80261 109 Construction Air Quality – Diesel Retrofit June 1, 2010 Jan. 1, 2025 80476 Deck Slab Repair Jan. 1, 2026

* 80029 111 Disadvantaged Business Enterprise Participation Sept. 1, 2000 July 2, 2026 80467 115 Erosion Control Blanket Aug. 1, 2025 80229 Fuel Cost Adjustment April 1, 2009 Aug. 1, 2017 80452 Full Lane Sealant Waterproofing System Nov. 1, 2023 80433 Green Preformed Thermoplastic Pavement Markings Jan. 1, 2021 Jan. 1, 2022 80471 Guardrail Nov. 1, 2025 80472 High Friction Surface Treatment Nov. 1, 2025 80456 Hot-Mix Asphalt Jan. 1, 2024 April 1, 2026 80446 Hot-Mix Asphalt – Longitudinal Joint Sealant Nov. 1, 2022 Aug. 1, 2023 80438 Illinois Works Apprenticeship Initiative – State Funded Contracts June 2, 2021 April 2, 2024 80483 118 Inlet Filters April 1, 2026

* 80477 Longitudinal Tining Jan. 1, 2026 July 1, 2026 80450 Mechanically Stabilized Earth Retaining Walls Aug. 1, 2023 Aug. 1, 2025 80478 Modified Longitudinal Construction Joint Jan. 1, 2026 80464 120 Pavement Marking April 1, 2025 Nov. 1, 2025 80468 Pavement Patching Aug. 1, 2025 80441 121 Performance Graded Asphalt Binder Jan 1, 2023 April 1, 2026 80459 Preformed Plastic Pavement Marking June 2, 2024 3426I Railroad Protective Liability Insurance Dec. 1, 1986 Jan. 1, 2022 80473 Raised Reflective Pavement Markers Nov. 1, 2025 80455 127 Removal and Disposal of Regulated Substances Jan. 1, 2024 April 1, 2026 80474 Residential Driveway Temporary Signal Nov. 1, 2025

* 80445 129 Seeding Nov. 1, 2022 July 1, 2026 80457 135 Short Term and Temporary Pavement Markings April 1, 2024 April 2, 2024 80462 139 Sign Panels and Appurtenances Jan. 1, 2025 Jan. 1, 2026 80479 Sinusoidal Rumble Strips Jan. 1, 2026 80469 Slope Wall Aug. 1, 2025 80448 141 Source of Supply and Quality Requirements Jan. 2, 2023 Jan. 1, 2026 80340 Speed Display Trailer April 2, 2014 Jan. 1, 2022 80127 Steel Cost Adjustment April 2, 2004 Nov. 1, 2025 80480 Structural Repair of Concrete Jan. 1, 2026 80397 143 Subcontractor and DBE Payment Reporting April 2, 2018 80391 144 Subcontractor Mobilization Payments Nov. 2, 2017 April 1, 2019 80463 145 Submission of Bidders List Information Jan. 2, 2025 Mar. 2, 2025

File Name Pg. Special Provision Title Effective Revised 80482 146 Submission of Payroll Records – Federal Aid Contract April 1, 2026 80437 Submission of Payroll Records – State Contract April 1, 2021 April 1, 2026 80435 Surface Testing of Pavements – IRI Jan. 1, 2021 Jan. 1, 2023 80465 148 Surveying Services April 1, 2025 80481 Temporary Concrete Barrier Jan. 1, 2026 80466 Temporary Rumble Strips April 1, 2025

* 80484 Tolerance in Thickness for Continuously Reinforced PCC Pavement July 1, 2026 80470 Traffic Signal Backplate Aug. 1, 2025 20338 Training Special Provisions Oct. 15, 1975 Sept. 2, 2021 80429 Ultra-Thin Bonded Wearing Course April 1, 2020 Jan. 1, 2022 80439 149 Vehicle and Equipment Warning Lights Nov. 1, 2021 Nov. 1, 2022 80458 Waterproofing Membrane System Aug. 1, 2024 80302 150 Weekly DBE Trucking Reports June 2, 2012 Jan. 2, 2025 80454 Wood Sign Support Nov. 1, 2023 80427 151 Work Zone Traffic Control Devices Mar. 2, 2020 Jan. 1, 2026

* 80485 154 Work Zone Width Restriction July 1, 2026 80071 155 Working Days Jan. 1, 2002

Section No. 22-00071-00-RS

STATE OF ILLINOIS

SPECIAL PROVISIONS

The following Special Provisions supplement the "Standard Specifications for Road and Bridge Construction", adopted January 1, 2022 (hereinafter referred to as the "Standard Specifications");

the latest edition of the "Illinois Manual on Uniform Traffic Control Devices for Streets and Highways" and the “Manual of Test Procedure of 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: Marengo Road (FAU 0006/FAU 0205), Section No. 22-00071-00-RS, Job No. C-91-129-23, Contract No. 61M59, in the City of Harvard, McHenry County, Illinois and in case of conflict with any part or parts of said specifications, said special provisions shall take precedent and shall govern.

LOCATION OF PROJECT

This improvement is located along Marengo Road, from Ill. Rte. 23 to Airport Road. The gross length is 5829 feet (1.104 miles) and net length is 5481 feet (1.038 miles). The project is located within the City of Harvard, McHenry County, Illinois.

PROJECT DESCRIPTION

This project consists of bituminous removal, full depth reclamation, HMA binder and surface course, aggregate shoulder, storm sewer work, bituminous bike path, new storm sewer and all incidental and collateral work necessary to complete the project shown on the plans and described in the special provision herein.

SAWCUTTING

All sawcutting shall be included in removal items and shall be performed prior to beginning removal. Any items of work removed prior to sawcutting will not be measured for payment.

Section No. 22-00071-00-RS

STATUS OF UTILITIES (D-1)

Effective: June 1, 2016 Revised: January 1, 2020

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.

Pre-Stage: No Conflicts Anticipated

Stage 1: Telephone Underground Cable at Sta 140+50 to 142+00 Gas Main at Sta 140+50 to 142+00

STAGE /

LOCATION

TYPE DESCRIPTION

RESPONSIBLE

AGENCY

DURATION

OF TIME

Marengo Road Sta 140+50 to 142+00

Telephone

Lower Depth or relocate Conflicts with proposed storm sewer

AT&T 5 days

Marengo Road Sta 140+50 to 142+00

Gas Main

Lower Depth Conflicts with proposed storm sewer

NiCor Gas 5 days

Marengo Road Sta 151+50

Telephone Lid Adjustment due to proposed bike path

AT&T 1 days

Marengo Road Sta 151+00 to 152+00

Gas Main Lid Adjustment due to proposed bike path

NiCor Gas 1 days

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.

Section No. 22-00071-00-RS

Agency/Company Responsible to Resolve Conflict

Name of contact

Phone E-mail address

Nicor Gas Slim Moutz 312-402-3875 mslim@milhouseinc.com AT&T (Distribution) Bobby Akhter (713) 830-7437 ba3817@att.com

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 for notifying the owner in advance of the work to take place so necessary staffing on the owner’s part can be secured.

Pre-Stage

None

Stage 1

None

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

Astound Paul Flinkow (630) 803-9660 paul.flinkow@astound.com Paul.Flinkow@wowinc.com

AT&T (Distribution) Bobby Akhter n/a ba3817@att.com AT&T (TCG) Teleport Communications

Tim Lapointe (713) 830-7437 tl0695@att.com

Charter Communications

Alan Zarecki (833) 949-0036 Alan.Zarecki@charter.com

Commonwealth Edison Deji Akosile 779-231-0781 Deji.Akosile@ComEd.com

MCI – Verizon Business Investigations – Team

(800) 492-3100 investigations@verizon.com

Nicor Gas Slim Moutz

312-402-3875 mslim@milhouseinc.com

Vero Fiber Networks Elliott Woods (847) 592-5785 ewoods@veronetworks.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

Section No. 22-00071-00-RS 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 and/or local agency 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 and/or the appropriate local agency electrical maintenance contractor.

Additional locate requests will be at the contractor’s expense.

For work on or near IDOT ROW on contracts without an electrical contractor, 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 No. 22-00071-00-RS

SHOULDER REMOVAL (SPECIAL)

General. This work shall be completed in accordance with Section 440 of the Standard Specifications, except as noted below.

Construction. The shoulder included to be removed under this pay item is aggregate shoulder of an unknown depth. The cost of removal to the designed removal depth, including any earthwork associated, shall be included in the cost of the work.

Method of Measurement. This work shall be paid for in accordance with Article 440.07 of the Standard Specifications.

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

REMOVAL AND DISPOSAL OF UNSUITABLE MATERIAL.

MAILBOXES TO BE RELOCATED

Description. If it is determined by the Engineer that the mailbox area needs to be relocated, the Contractor shall relocate the mailbox to the new location as directed by the Engineer. The Contractor shall use a post hole digger to reinstall the mailbox. If the existing post is set in concrete, the Contractor shall reset the post in concrete at the same depth as well. If the mailbox is damaged during construction, the Contractor will replace the mailbox.

Method of Measurement and Basis of Payment. This work will be paid for at the contract unit each price for MAILBOXES TO BE RELOCATED which shall include all labor, equipment and materials to complete the above work.

TRENCH BACKFILL (SPECIAL)

Description. The provisions of Section 208 of the "Standard Specifications for Road and Bridge Construction" shall be modified such that the material used for trench backfill shall be CA-6 coarse aggregate. The trench backfill shall be compacted only by Method 1, as defined in Article 550.07 of the Standard Specifications, which states the material shall be deposited in uniform lifts not exceeding 12 inches in depth (loose measure), and each lift shall be compacted by ramming or tamping with tools approved by the ENGINEER. Jetting of the trench will not be acceptable without prior written approval from the Public Works Department. All material and placement shall be in accordance with IDOT Policy Memorandum 11-08.4.

Materials. All materials shall be in accordance with Sections 208 and 1003 of the "Standard Specifications for Road and Bridge Construction" and shall be approved by the Engineer prior to placement. Furnished TRENCH BACKFILL, SPECIAL material shall be produced from an IDOT-approved site. All material must be of sound durable aggregate and completely free of all deleterious material, such as wood, wood chips, brush, plastic, etc. Non-mechanically blended RAP may be allowed up to a maximum of 5.0 percent.

Section No. 22-00071-00-RS

Removal of TRENCH BACKFILL, SPECIAL prior to PATCHES of the type and thickness specified, or reconstruction of the roadway, shall be considered incidental to this pay item.

Any material conforming to the requirements of Articles 1003.03 or 1004.05 which has been excavated from on-site trenches shall be used for backfilling the trenches. No compensation shall be made for TRENCH BACKFILL, SPECIAL for the portion of the trench backfilled with excavated material. Excavated material must meet all specifications and requirements as stated herein to the approval of the Engineer.

Method of Measurement and Basis of Payment. This work will be paid for at the contract unit price per cubic yard for TRENCH BACKFILL (SPECIAL) which price shall include all material, equipment, and labor necessary to place and compact the trench backfill as specified. The quantity of trench backfill for payment shall be determined by using the method of measurement defined in Article 208.03 (b) of the Standard Specifications. Material coming from an un-approved source shall not be paid for and shall be removed from the project site at no cost.

AGGREGATE FOR TEMPORARY ACCESS

Description. This work shall consist of the construction and maintenance of an aggregate base course for maintaining access to intersecting streets and driveways as specified in Article 107.09 of the Standard Specifications. The CONTRACTOR shall provide access for all emergency vehicles and school buses, and to all abutting properties at all times during construction.

Construction Requirements. The CONTRACTOR shall maintain ingress and egress to all abutting properties during construction operations. Temporary driveways and entrances shall be constructed of aggregate in accordance with the applicable portions of Section 351 of the Standard Specifications and to the dimensions determined by the ENGINEER. The coarse aggregate shall be crushed stone or crushed gravel, gradation CA-6.

Maintenance shall consist of placing and compacting additional aggregate of the same type and gradation as the base aggregate.

Once no longer necessary, the suitable aggregate shall be removed, and, at the direction and approval of the ENGINEER, utilized for other purposes, such as granular subbase, aggregate base course, and embankment construction for other driveway aprons or otherwise disposed of as specified in Article 202.03 of the Standard Specifications.

Method of Measurement. and Basis of Payment: This work will be paid for at the contract unit price per ton for AGGREGATE FOR TEMPORARY ACCESS which price shall be payment in full for furnishing, transporting, placing, maintaining, and removing, reusing or disposing of the aggregate, as herein specified and as directed by the ENGINEER.

Payment for aggregate will be determined by weight tickets and will be paid for its initial use only regardless of the number of times the aggregate is moved.

Section No. 22-00071-00-RS

DRAINAGE STRUCTURES TO BE ADJUSTED

ADD to Section 602:

Description: This work shall consist of adjusting storm sewer catch basins, manholes, and inlets using the existing frame and grate or replacing with a new frame and grate in accordance with Section 602 and Section 442 of the Standard Specifications and as specified herein.

For structures on radii, the Contractor shall be responsible for offsetting the existing back of curb to assure that the new frame is placed in the same location.

Tapered rings will be required to meet varying cross slopes of roadway pavements. A heavy-duty construction adhesive is to be applied in between each new or adjusted concrete or rubber ring including the interface with the precast structure and frame & grate.

Method of Measurement and Basis of Payment: This work will be measured and paid for at the contract unit price per each for DRAINAGE STRUCTURES TO BE ADJUSTED.

At locations where a new frame and grate is to be installed, this work will be measured and paid for at the contract unit price per each for FRAME AND GRATE (SPECIAL).

FULL-DEPTH RECLAMATION, 9” WITH CEMENT STABILIZATION

All references to Divisions, Sections, and Articles in this specification shall be construed to mean specific Divisions, Sections, and Articles in the Standard Specifications for Road and Bridge Construction adopted by the Illinois Department of Transportation.

Description: This work shall consist of pulverizing any remaining bituminous pavement layers and/or portions of the aggregate/pozzolanic base material to a specified depth and maximum size;

mixing cement, water and additives with the recycled material; and spreading and compacting the mixture to finished subgrade according to the proposed HMA pavement thickness.

Materials: Materials shall be according to the following Articles of Division 1000 – Materials.

Item Article/Section

(a) Portland Cement (Note 1)

(b) Water

(c) Fine Aggregate (Note 2)

(d) Coarse Aggregate (Note 2)

(e) Reclaimed Asphalt Pavement (Note 3)

(f) Cold Pulverized Material (Note 4)

(g) Mix Design (Note 5)

Note 1 Limit. The type and allowable percentage will be described in the mix design.

Section No. 22-00071-00-RS

Note 2. The mix design will specify gradation and quality of any additional aggregate. Any additional fine aggregate shall meet Class B quality as a minimum. Any additional coarse aggregate shall meet Class C quality as a minimum.

Note 3. The Engineer may allow reclaimed asphalt pavement (RAP) from Conglomerate

“D” Quality or better RAP stockpiles as specified in Article 1031.02 or from millings of the existing highway. The RAP material shall not exceed the maximum size requirement of the cold pulverized material, and when blended with the cold pulverized material, shall produce a product which meets the specifications of the mix design.

Note 4. After pulverization, the gradation of the cold pulverized material shall meet the following requirements.

COLD PULVERIZED MATERIAL GRADATIONS

Grad No. Sieve Size and Percent Passing

3 in.

(75 mm)

2 in.

(50 mm)

1 1/2 in.

(37.5 mm)

No 4 (4.75 mm)

PM 3 100 100 - 97

PM 4 100 95 55

Note 5. A mix design for each distinct section shall be submitted to the Department prior to construction using actual materials (in-situ sampled by the Contractor and new materials from the Contractor’s material suppliers) proposed for the project. The job mix formula shall meet the criteria in Attachment II-C (Cement) of Illinois Department of Transportation’s Geotechnical Manual and shall be approved by the Engineer.

FDR WITH CEMENT MIX DESIGN REQUIREMENTS

Test Method Requirement Gradation for Design Millings, AASHTO T 27 Report Liquid Limit, AASHTO T 89 Report Plasticity Index, AASHTO T 90

Report

Sand Equivalent, ASTM D2419, Method B Report Moisture Density Relationship Report

Compressive Strength, 3 day, (psi) Compressive Strength, 7 day, (psi)

300 min 500 min

Freeze Thaw Durability, Vacuum Saturation Test, 7 day (psi) 350 min

Additional Additive(s) 1

Coarse Aggregate Fine Aggregate

RAP

Report

Cement Percentage Report

Section No. 22-00071-00-RS

Notes: 1. Report shall include type/gradation and producer/supplier.

Equipment: Equipment shall be according to the following Articles of Division 1100 – Equipment.

Vibratory Roller (Note 1) .................................................................................... 1101.01(g) Mechanical Sweeper .............................................................................................. 1101.03 Motor Grader .......................................................................................................... 1101.05 Self-Propelled Milling Machine ........................................................................... 1101.16(a) Mechanical Spreader (Note 2) Self-Propelled Reclaimer (Note 3) Self-Propelled Vibratory Padfoot Roller (Note 4) Water Truck (Note 5)

Note 1. The double drum vibratory steel roller shall have a gross weight of not less than

10 tons (9 metric tons).

Note 2. Spreaders or distributors used to apply the stabilization chemical for FDR shall be cyclone, screw type or pressure manifold type. Spreaders or distributors used shall be able to demonstrate a consistent and accurate application rate while minimizing dust during construction. Imported granular material used for FDR may be tailgated with end dumps and spread to a uniform thickness with a motor grader or it may be spread with mechanical spreader or placed with a conventional paver.

Note 3. The self-propelled reclaimer shall be capable of fully pulverizing the existing pavement to the depth required mix the materials to produce a homogeneous material. The self-propelled reclaimer shall be capable of mixing in place to a minimum depth of 12 in. should be used. The cutting drum should be fitted with cutting teeth capable of trimming earth, aggregate and bituminous mixtures, and so designed that they may be accurately adjusted vertically and held in place. The machine shall weigh at least 12.5 tons (11.5 metric tons) and shall have such strength and rigidity that it will not develop a center deflection of more than 1/8 in (0.125 mm). Disc harrows, bucket teeth and other equipment that do not meet the above requirements shall not be used.

Note 4. The self-propelled vibratory pad foot roller shall have 84 in. (2133 mm) wide drums and gross weight of not less than 10 tons (9 metric tons). A front mounted blade is recommended for back-dragging. A self-propelled vibratory pad foot roller shall be required for each self-propelled reclaimer.

Note 5. Water trucks shall be set up for a controlled spray.

CONSTRUCTION REQUIREMENTS

General Conditions: This work consisting of cement application, mixing, spreading, compacting, and finishing shall be continuous and completed within 2 hours from the start of mixing. Any processed material that has not been compacted and finished shall not be left undisturbed for longer than 30 minutes.

Section No. 22-00071-00-RS

Weather Limitations: This work shall be performed when the atmospheric temperature in the shade and away from artificial heat is 40 °F (10 °C) and rising. Also, the weather forecast during cement application shall not be foggy, rainy or call for sustained wind speed in excess of 10 mph.

The weather forecast shall not call for freezing temperature within 7 days with after placement of any portion of the project and the annual average low temperature within 7 days of the end of the project shall be greater than 32 °F (0 °C).

Pre-pulverization and Initial Shaping: Moisture content shall be within ± 2.0 percent from the optimum moisture content determined by the mix design. If the moisture content is too low, water shall be added directly by a water truck. The existing pavement shall be pre-pulverized by the self-propelled reclaimer and/or shaped by the motor grader to correct for profile, crown, and contour, according to the plans, before the addition of the cement. Water, coarse aggregate, RAP Material, or other additives required may be added during this operation. The pre-pulverized and shaped material shall be compacted with a vibratory roller in static mode to support equipment and/or traffic and to provide depth control during processing. Depth of pre-pulverization and shaping shall be 1 in. (25 mm) to 2 in. (50 mm) less than the depth of final processing.

Processing: The quantity of cement specified in the mix design shall be spread on the finished surface of the pre-pulverized material using a mechanical spreader. If a slurry is being applied, the finished surface of the pre-pulverized material shall be scarified prior to spreading of the slurry to prevent excessive runoff or ponding.

Mixing shall begin as soon as possible after the cement has been spread; however, the time from cement placement on the finished surface of the pre-pulverized material to start of mixing shall not exceed 30 minutes. If a slurry is used, the time from first contact of cement with water to application on the finished surface of the pre-pulverized material shall not exceed 60 minutes.

Mixing shall continue until the entire mixture is pulverized so that the mixed material passes the gradation specified.

The final test shall be made at the conclusion of mixing operations. Prior to compaction, the mixture shall be at the required moisture content throughout. If using dry cement, water application shall only be done through the self-propelled reclaimer integrated fluid injection system during mixing.

Compaction: The recycled material shall be compacted according to the following.

(a) Growth Curve. Compaction shall be accomplished by performing a growth curve within the first one-half mile of production. If an adjustment is made to the cement or recycled depth, the Engineer reserves the right to request an additional growth curve. The growth curve, consisting of a plot of lb/cu ft (kg/cu m) versus number of passes with the project breakdown roller, shall be developed. Roller speed during the growth curve testing shall be the same as the normal paving operation. This curve shall be established by use of a nuclear gauge. Tests shall be taken after each pass until the highest lb/cu ft (kg/cu m) is obtained. This value shall be the target density.

Section No. 22-00071-00-RS

A new growth curve is required if the rollers used on the growth curve are replaced with a new roller during production. The target density shall apply only to the specific gauge used. If additional gauges are to be used to determine density specification compliance, the Contractor shall establish a unique minimum allowable target density from the growth curve location for each gauge.

(b) Rollers. Immediately after processing and final shaping the recycled material shall be compacted with equipment meeting the following requirements.

MINIMUM ROLLER REQUIREMENTS FOR FDR

Breakdown Roller (one of the following)

Intermediate Roller 1

Final Roller (one or more of the following)1

Density Requirement

P1, PF2 P, VD P, VS

95 - 102 percent of the target density obtained on the growth curve

Note(s): 1. Equipment definitions in Table 1 of Article 406.07.

2. PF - Self-propelled vibratory padfoot roller for breakdown rolling.

(c) Rolling. The breakdown roller shall be 500 ft (150 m) or less behind all self-propelled reclaimer units. The recycled material shall be compacted by the padfoot roller, applying high amplitude and low frequency, or the pneumatic-tired roller. Breakdown rolling shall be performed until the breakdown roller walks out of the material. Walking out for the padfoot roller is defined as light being clearly evident between all of the pads at the material–padfoot drum interface and being no more than 3/16 in. (5 mm) deep. Walking out for the pneumatic-tired roller is defined as no significant wheel impressions being left on the surface.

After the completion of breakdown rolling, the motor grader shall be used to cut the recycled material no deeper than necessary to remove breakdown roller marks from the initial compaction and to achieve desired cross slope.

The bladed recycled material shall be compacted by the intermediate and final rollers.

The number of passes and order of rollers may be altered to meet compaction requirements. Finish rolling shall not be done in vibratory mode. Water may be lightly sprayed by a water truck to aid in improving final density and appearance. A second water truck is required if water is also being added at the reclaimer.

Curing: Finished portions of the FDR base that are traveled on by equipment used in constructing an adjoining section shall be protected in such a manner as to prevent equipment from marring or damaging completed work.

After completion of final finishing, the surface shall be cured by being kept continuously moist for a period of 7 days with a water spray that will not erode the surface of the FDR base. Water shall be applied as soon as possible, but not later than 24 hours after completing finishing operations.

Section No. 22-00071-00-RS

Opening to Traffic: Completed portions of FDR base may be opened immediately to low speed local traffic and to construction equipment, provided the moist curing operations are not impaired and provided the FDR base is sufficiently stable to withstand marring or permanent deformation.

The section can be opened up to all traffic after the FDR base is sufficiently stable to withstand marring or permanent deformation, as directed by the Resident Engineer.

Maintenance: The finished surface shall be maintained in good condition until all work is completed and accepted. Immediate repairs of any defects that may occur shall be done at the contractor’s expense. If it is necessary to replace any processed material, the replacement shall be for full depth, with vertical cuts, using an approved material. No skin patches shall be permitted.

Quality Control/ Quality Assurance (QC/QA):

(a) Quality Control by the Contractor. The Contractor shall perform or have performed the inspection and tests required to assure conformance to contract requirements. Control includes the recognition of obvious defects and their immediate correction. This may require increased testing, communication of test results to the job site, modification of operations, suspension of the work, or other actions as appropriate.

The Engineer shall be immediately notified of any failing tests and subsequent remedial action. Passing tests shall be reported to the Engineer no later than the start of the next work day.

(b) Quality Assurance by the Engineer. The Engineer will conduct independent assurance tests on split samples taken by the Contractor for quality control testing. In addition, the Engineer will witness the sampling and splitting of these samples and will immediately retain witnessed split samples for quality assurance testing.

(c) Tests Methods and Frequency.

(1) Depth of Pulverization (Milling). The nominal depth at the centerline shall be required.

Anytime depth changes are made or equipment is idle, a depth check shall be taken.

(2) Pulverized Material Sizing and Gradation. A sample shall be obtained before cement addition and screened using a 3.0 in. (37.5 mm) sieve (or smaller sieve if required) to determine if meeting the maximum particle size requirement. Gradations shall be performed each day on the moist millings using the following sieves: 2.0, in. 1.5 in., 1.0 in., 3/4 in., 1/2 in., 3/8 in., No. 4, No. 8, No. 16, and No. 30. The resulting gradation shall be compared to the mix design gradations to determine any necessary changes to cement content.

Sampling procedures shall generally be in accordance with ASTM D 979 or

AASHTO T 168.

(3) Cement Application Rate. The Engineer shall be notified any time cement application rate is changed. The cement application rate shall be checked and recorded for each segment in which the percentage is changed.

Section No. 22-00071-00-RS

(4) Water Content. The Engineer shall be notified any time the water content is changed.

Water content at the milling head shall be checked and recorded for each segment in which the percentage is changed. This information shall be gathered from the water metering device, which can be checked from the belt scale totalizer to verify daily quantities used. Water content changes shall be made based on mixture consistency, coating, and dispersion of the recycled materials.

(5) Compacted Density. A dry density shall be determined using a nuclear moisture-density gauge generally following the procedures for ASTM D 2950, direct transmission measurement. This measurement shall be compared to the target density obtained by the growth curve.

(6) Frequency. The following table provides the minimum frequency for tests; however, the

Engineer may increase the testing frequency if the construction process is experiencing problems or unknown conditions are encountered.

QC/QA TESTING FREQUENCY

Test QC Frequency 1 QA Frequency 1

Depth of Pulverization 1 per 500 ft (150 m) 1 per 1000 feet (300 m)

Pulverized Material Gradation

1 per 0.5 day of production 1 per day of production

Cement Application Rate 1 per 500 ft (150 m) 1 per 1000 feet (300 m)

Water Content 1 per 500 ft (150 m) 1 per 1000 feet (300 m)

Compacted Density

Compacted Strength2

1 per 0.25 mile (0.4 km)

1 per 0.5 day of production

1 per mile (1.6 km) not required

Note: 1. The Contractor shall perform all quality control tests within the first 500 ft (150 m) after startup or any change in the mix. The Department will also run the split samples at these locations.

2. Strength specimens prepared in the field for testing after 3 days and 7 days cure or as prescribed by the engineer. Tests are for information only, not acceptance.

Method of Measurement:

Cement incorporated in the full-depth reclamation mixture will be measured for payment in ton, but payment will not be measured for cement in excess of 105 percent of the amount specified by the mix design or approved by the Engineer.

Full-depth reclamation will be measured in square yards of the reclaimed pavement base course.

Basis of Payment:

Section No. 22-00071-00-RS

The cement material will be paid for at the contract unit price per ton for PORTLAND CEMENT.

The full-depth reclamation will be paid for at the contract unit price per square yard for FULL- DEPTH RECLAMATION, of the thickness specified.

RELOCATE EXISTING MAILBOX

Description: This work shall consist of relocating an existing mailbox.

Construction Requirements: This work shall consist of relocating an existing mailbox to a location shown on the plans or as directed by the Engineer. If the existing mailbox is not immediately relocated to the new location, the contractor shall furnish temporary secure bracing of the mailbox for the duration of the time until the mailbox is relocated to the location proposed by the Engineer. The height of the mailbox shall be 41 to 45 inches from the adjacent pavement elevation, and the face of the mailbox shall be 12 inches offset from the back of curb or the edge of pavement if no curb is present. Installation of the relocated mailbox shall be subject to the approval of the Engineer. If the existing post is set in concrete, the Contractor shall reset the post in concrete to the original depth. If the mailbox and/or mailbox post is damaged during construction, as determined by the Engineer, the Contractor will replace the mailbox and/or post.

The relocated mailbox shall be installed on a new 4” x 4” square or 4½” diameter round treated wood post. The new post shall be embedded no more than 24” into the ground. The resulting hole shall be backfilled with suitable excavated material as approved by the Engineer. The old post shall be disposed of according to the requirements of Article 202.03 of the Standard Specifications.

Method of Measurement and Basis of Payment: This work will be paid for at the contract unit price per each for RELOCATE EXISTING MAILBOX. The removal and disposal of any damaged mailbox and/or mailbox post to be replaced as well as backfilling the existing mailbox post hole shall be included in the cost of this item.

HOT-MIX ASPHALT DRIVEWAY PAVEMENT, 3”

Description: This work shall consist of replacing existing HMA driveway pavement at locations shown on the plans, or as directed by the Engineer, in accordance with Sections 301, 351, 406 and 423 of the Standard Specifications and as specified herein.

Construction Requirements: The Contractor shall, if necessary, excavate in accordance with Sections 440 and 202 of the Standard Specifications to achieve appropriate finished grades.

Contractor shall add aggregate (CA-6) where necessary and compact prior to the placement of

HMA.

The proposed HMA driveway pavement shall consist of:

Hot-Mix Asphalt Surface Course, Mix “D”, N50 – 3” (placed in two lifts)

Section No. 22-00071-00-RS

All necessary aggregate placement and compaction, preparation and compaction of the existing aggregate base; Hot-Mix Asphalt Surface Course, Mix “D”, N50 pavement will not be paid for separately but shall be included in this pay item.

Method of Measurement and Basis of Payment: This work will be measured and paid for at the contract unit price per square yard for HOT-MIX ASPHALT DRIVEWAY PAVEMENT, 3”, which price shall be payment in full for constructing this item as specified, including all materials, labor and equipment.

PORTLAND CEMENT CONCRETE SIDEWALK, 5 INCH

Description: This work shall consist of placing Portland Cement Concrete sidewalk on a compacted subbase and shall be performed in accordance with Sections 311 and 424 of the Standard Specifications with the following alterations.

Construction Requirements: Sidewalks shall be placed on a minimum of 4 inches of Subbase Granular Material, Type B, of gradation CA-6, per detail included in the plans. Expansion joints shall be placed at intervals of not more than 50 feet. Tooled contraction joints shall be placed at 5 foot intervals unless otherwise directed by the Engineer. At driveway apron locations, the depth of concrete shall be increased to 6-inches. All required excavation to meet the aforementioned thickness, including subbase material, shall be included in the unit price.

Any tree roots encountered during sidewalk installation shall be sawcut and removed by the Contractor.

During sidewalk removal or replacement, any damage to the parkway from forms, concrete trucks, or construction traffic beyond the 12” maximum payment width shall be repaired by the Contractor at no cost to the City.

Method of Measurement: Portland Cement Concrete sidewalk will be measured for payment in place, and the area computed in square feet.

Basis of Payment: This work will be paid for at the contract unit price per square foot for PORTLAND CEMENT CONCRETE SIDEWALK, 5 INCH, which price shall include all required expansion joints, special texturing, variable height edge treatment at sidewalk ramps, additional thickness at driveway aprons, compacted subbase granular material, and any excavation required for ADA compliance, subbase material, and/or increased width of sidewalk.

CONSTRUCTION LAYOUT

General: Work shall be according to Check Sheet #9 of the Recurring Special Provisions in addition to the following:

Description. The Contractor shall be required to provide construction layout for Millstone Lane and Old Mill Lane.

Section No. 22-00071-00-RS

Construction Requirements. Existing edge of pavement/front of curb elevations and offsets shall be staked and noted, at intervals not to exceed 25 feet, prior to the removal of the existing curb and gutter. Proposed storm sewer structures shall also be staked and noted.

Measurement and Payment: This item will be paid for at the contract lump sum price for

CONSTRUCTION LAYOUT.

PAVEMENT REMOVAL

General. This work shall be completed in accordance with Section 440 of the Standard Specifications, except as noted below.

Construction. The shoulder included to be removed under this pay item is bituminous shoulder along Marengo Road. The cost of removal, including any earthwork associated, shall be included in the cost of the work.

Method of Measurement. This work shall be paid for in accordance with Article 440.07 of the Standard Specifications.

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

PAVEMENT REMOVAL.

TRAFFIC…