Illinois State Toll Highway Authority Contract No. I-20-4720 Addendum 3 Page 1 of 7 5/11/2026

ADDENDUM NO. 3

TO

CONTRACT REQUIREMENTS

FOR CONTRACT I-20-4720

ILLINOIS STATE TOLL HIGHWAY AUTHORITY

Date: 5/11/2026

For which bids will be received by the Illinois State Toll Highway Authority through electronic bidding via BidBuy until 10:30:00 A.M. local time, May 29, 2026

NOTICE OF REVISION TO CONTRACT

NOTES:

1. A complete set of Schedule of Prices is included with this Addendum and must be inserted into the Contract Bid by the Bidder. The Bidder’s attention is called to pages P-5R, P-7R, P-9R, P-17R, P-18R, P-19R, P-24R, P-31R, P-32R, P-36R, P-37R, P-38R, P-39R, and P-40R which have been revised and included as part of the Schedule of Prices.

2. The following revised Special Provision pages are included in the Contract with this Addendum: J10R, J-24R through J-27R, J-49R, J-87R, J-89R, J-90R, J-198R, J-325R through J-329R, J-334R, J-385R through J-389R, and J- 635R through J-636R.

3. The following Special Provision pages will be issued to the successful Bidder:

Table of Contents Sheet iii and v

4. The following revised Contract Drawings are included in this Addendum:

Volume 1 – Drawing 5-6, 19, 121, 123, 150, 155, 187-188, 233, 241, 250, 259-260, 269, 294-295 Volume 2 – Drawing 351, 363-366, 371, 376 Volume 3 – Drawing 550, 572-573, 652 Volume 4 – Drawing 874-875, 934-935, 986

5. Revised Contract Drawings 20 through 28 will be issued to the successful Bidder. The revised drawings will reflect the quantity changes shown in the “Summary of Revisions to Pay Item Quantities” table included in this addendum.

6. The following revised Contract Drawings will be issued to the successful Bidder.

Volume 1 – Drawings 3, 12, 40.

7. The minutes and sign-in sheet from the Optional Pre-Bid Meeting held on April 9, 2026 are included in this

Addendum.

8. Responses to Request for Information received from the Plan Holders are included in this Addendum.

Addendum 3 Page 2 of 7 5/11/2026

CHANGES TO THE CONTRACT REQUIREMENTS

CHANGES TO THE SCHEDULE OF PRICES

SUMMARY OF REVISIONS TO PAY ITEMS QUANTITIES

SP.

PROV.

PAY ITEM NO. DESCRIPTION UNIT

ORIGINAL

QUANTITY

CHANGE

NEW

QUANTITY

40200300 AGGREGATE SURFACE COURSE, TYPE A 4” SQ YD 12,495 +265 12,760

51201600 FURNISHING STEEL PILES HP12X53 FOOT 2,468 +410 2,878

51201800 FURNISHING STEEL PILS HP14X73 FOOT 4,446 +1,679 6,125

51202305 DRIVING PILES FOOT 10,106 +2,089 12,195

550A0710 STORM SEWERS, CLASS A, TYPE 3 24” FOOT 627 +250 877

* X6640570 CHAIN LINK FENCE, 8’ (SPECIAL) FOOT 1,205 -36 1,169

* Z0075496 CONCRETE RETAINING WALL REMOVAL FOOT 176 -176 0

* JI512305 DRIVING PILES, SPECIAL FOOT 18,405 -2,490 15,915

** JS280210 FILTER FABRIC INLET PROTECTION, BASKET TYPE EACH 145 +6 151

* JT154092

CONTRACT ALLOWANCE FOR UNFORESEEN

STRUCTURE WORK

UNIT 0 +250,000 250,000

* JT512010 PILE SPLICE EACH 285 -28 257

* JT550524 STORM SEWERS, CLASS A, TYPE 5, 24” (SPECIAL) FOOT 250 -250 0

* Denotes Special Provision

Change #1 Required Documents, Volume I, page P-5 replaced with page P-5R. This replacement contains the following revisions (attached):

1.1. Revised the quantity for item 40200300 from 12,495 to 12,760.

Change #2 Required Documents, Volume I, page P-7 replaced with page P-7R. This replacement contains the

2.1. Revised the quantity for item 51201600 from 2,468 to 2,878.

2.2. Revised the quantity for item 51201800 from 4,446 to 6,125.

2.3. Revised the quantity for item 51202305 from 10,106 to 12,195.

Change #3 Required Documents, Volume I, page P-9 replaced with page P-9R. This replacement contains the

3.1. Revised the quantity for item 550A0710 from 627 to 877.

Change #4 Required Documents, Volume I, page P-17 replaced with page P-17R. This replacement contains the

4.1. Revised the quantity for item X6640570 from 1,205 to 1,169.

Change #5 Required Documents, Volume I, page P-18 replaced with page P-18R. This replacement contains the

5.1. Revised the quantity for item Z0075496 from 176 to 0.

Change #6 Required Documents, Volume I, page P-19 replaced with page P-19R. This replacement contains the

6.1. Revised the quantity for item JI512305 from 18,405 to 15,915.

Addendum 3 Page 3 of 7 5/11/2026

Change #7 Required Documents, Volume I, page P-24 replaced with page P-24R. This replacement contains the

7.1. Revised the quantity for item JS280210 from 145 to 151.

Change #8 Required Documents, Volume I, page P-31 replaced with page P-31R. This replacement contains the

8.1. Revised the quantity for item JT512010 from 285 to 257.

Change #9 Required Documents, Volume I, page P-32 replaced with page P-32R. This replacement contains the

9.1. Revised the quantity for item JT550524 from 250 to 0.

Change #10 Required Documents, Volume I, page P-36 replaced with page P-36R. This replacement contains the

10.1. Added the Pay Item JT154092 (CONTRACT ALLOWANCE FOR UNFORESEEN STRUCTURE WORK) and included a quantity of 250,000 UNITS.

Change #11 Required Documents, Volume I, page P-37 replaced with page P-37R. This replacement contains the

11.1. Changed the order of items JT154195 and JT154199 to be in numerical order.

Change #12 Required Documents, Volume I, page P-38 replaced with page P-38R. This replacement contains the

12.1. Revised the Unit Price for item 999NEG44.

12.2. Revised the Unit Price for item 999NEG46.

12.3. Revised the Unit Price for item 999NEG47.

Change #13 Required Documents, Volume I, page P-39 replaced with page P-39R. This replacement contains the

13.1. Revised the Unit Price for item 999ADJ45.

Change #14 Required Documents, Volume I, page P-40 replaced with page P-40R. This replacement contains the

14.1. Revised note.

CHANGES TO THE CONTRACT SPECIAL PROVISIONS

Change #15 Special Provisions, Volume II, page iii (issued to successful bidder)

15.1. Updated the Table of Contents for the removal of the “CONCRETE RETAINING WALL REMOVAL“ specification.

Change #16 Special Provisions, Volume II, page v (issued to successful bidder)

16.1. Updated the Table of Contents for the removal of the “STORM SEWERS (SPECIAL)” specification.

Change #17 Special Provisions, Volume II, replace page J-10 with page J-10R. This replacement contains the

17.1. S.P. 105.1.1 Liquidated Damages amount revised to $12,000.00 per day.

17.2. S.P. 105.1.3 Liquidated Damages amount revised to $13,500.00 per day.

17.3. S.P. 105.1.4 Liquidated Damages amount revised to $12,525.00 per day.

Addendum 3 Page 4 of 7 5/11/2026

Change #18 Special Provisions, Volume II, replace pages J-24 through J-27 with page J-24R through J-27R.

This replacement contains the following revisions (attached):

18.1. Added the UPRR Guidelines for Grade Separation Projects to the list of guidelines the Contractor shall adhere to.

18.2. Revised number 2 under the Contractor Right of Entry and Temporary Road Crossings section.

18.3. Text shifting as a result from the revisions to S.P. 106.14.

18.4. Revised number 8 under the Rail Traffic section.

Change #19 Special Provisions, Volume II, replace page J-49 with page J-49R. This replacement contains the

19.1. Update to the S.P.110 to include the incidental work for the Pay item Adjust Existing Mechanically Stabilized

Earth Retaining Wall, Location 1 (JI522801).

19.2. Update to the S.P.110 to include the incidental work for the Pay item Adjust Existing Mechanically Stabilized

Earth Retaining Wall, Location 2 (JI522802)

19.3. Update to the S.P.110 to include the incidental work for the Pay item Adjust Existing Mechanically Stabilized

Earth Retaining Wall, Location 3 (JI522803)

19.4. Update to the S.P.110 to include the incidental work for the Pay item Adjust Existing Mechanically Stabilized

Earth Retaining Wall, Location 4 (JI522804)

19.5. Update to the S.P.110 to include the incidental work for the Pay item Adjust Existing Mechanically Stabilized

Earth Retaining Wall, Location 5 (JI522805)

19.6. Update to the S.P.110 to include the incidental work for the Pay item Adjust Existing Mechanically Stabilized

Earth Retaining Wall, Location 6 (JI522806)

Change #20 Special Provisions, Volume II, add the following Special Provision J-49A. This new page contains the

20.1. Text shifting to the next page as a result from the revisions to the S.P. 110 Specification.

Change #21 Special Provisions, Volume II, replace page J-87 with page J-87R. This replacement contains the

21.1. S.P. 120 updated to include the Construction Safety and Phasing Plan (CSPP).

21.2. S.P. 120 updated to include the available shop drawings for the MSE wall and bridge abutments.

Change #22 Special Provisions, Volume II, add the following Special Provision J-87A. This new page contains the

22.1. S.P. 120 updated to include the available shop drawings for the MSE wall and bridge abutments.

22.2. S.P. 120 updated to include the available Test Pile Driving Records.

Change #23 Special Provisions, Volume II, add the following Special Provision J-87B. This new page contains the

23.1. S.P. 120 updated to include the available Test Pile Driving Records.

23.2. S.P. 120 updated to include the available Pile Driving Data.

Change #24 Special Provisions, Volume II, replace page J-89 with page J-89R. This replacement contains the

24.1. S.P. 121 Contractual Electronic Files updated to include the LandXML files.

Change #25 Special Provisions, Volume II, add the following Special Provision J-89A. This new page contains the

25.1. S.P. 121 Contractual Electronic Files updated to include the LandXML files.

Change #26 Special Provisions, Volume II, replace page J-90 with page J-90R. This replacement contains the

26.1. S.P. 125 MEASUREMENT OF QUANTITIES was added.

Addendum 3 Page 5 of 7 5/11/2026

Change #27 Special Provisions, Volume II, add the following Special Provision J-90A. This new page contains the

27.1. S.P. 125 MEASUREMENT OF QUANTITIES addition continuation.

Change #28 Special Provisions, Volume II, replace page J-198 with page 198R. This replacement contains the

28.1. Removed the “CONCRETE RETAINING WALL REMOVAL“ specification.

Change #29 Special Provisions, Volume II, replace page J-325 through J-329 with pages J-325R through J-

329R. This replacement contains the following revisions (attached):

29.1. Updates to the MECHANICALLY STABILIZED EARTH RETAINING WALL specification.

Change #30 Special Provisions, Volume II, replace page J-334 with page J-334R. This replacement contains the following revisions (attached):

30.1. Revised the Adjust Existing Mechanically Stabilized Earth Retaining Wall description

30.2. Added a Vegetation Removal and Select Fill Replacement section to Adjust Existing Mechanically

Stabilized Earth Retaining Wall

Change #31 Special Provisions, Volume II, add the following Special Provision J-334A. This new page contains the

31.1. Text shifting to the next page as a result from the revisions to the Adjust Existing Mechanically Stabilized Earth

Retaining Wall Specification.

Change #32 Special Provisions, Volume II, replace page J-385 through J-389 with pages J-385R through J-

389R. This replacement contains the following revisions (attached):

32.1. Updates to the DIGITAL UTILITY AS_BUILT specification.

Change #33 Special Provisions, Volume II, replace pages J-635 through J-636 with pages J-635R through J-

636R. This replacement contains the following revisions (attached):

Removed the “STORM SEWERS, (SPECIAL)” specification.

CHANGES TO THE CONTRACT DRAWINGS

Change #34 Contract Plans, Volume 1, Drawing 3. Signature Sheet (issued to successful Bidder).

34.1. Duplicate sheet number G-2 removed.

Change #35 Contract Plans, Volume 1, Drawing 5. Signature Sheet – 3D Model. This drawing contains the following revisions (attached):

35.1. Additional seal added to account for additional xml files sealed and included in this Addendum.

Change #36 Contract Plans, Volume 1, Drawing 6. General Notes. This drawing contains the following revisions

(attached):

36.1. Notes 5-6 revised. Notes 11-14 added.

Change #37 Contract Plans, Volume 1, Drawing 12. Stockpile 67A Plan (issued to successful Bidder).

37.1. Sheet number changed from G-10 to G-11.

Change #38 Contract Plans, Volume 1, Drawing 19. Suggested Progress Schedule. This drawing contains the

38.1. Notes 1-3 added.

Change #39 Contract Plans, Volume 1, Drawings 20 through 28. Schedule of Quantities (issued to successful Bidder).

39.1. These drawings have been revised in their entirety.

Addendum 3 Page 6 of 7 5/11/2026

Change #40 Contract Plans, Volume 1, Drawing 40. Alignment and Ties (issued to successful Bidder).

40.1. Revised Ramp W1 starting coordinates.

Change #41 Contract Plans, Volume 1, Drawing 121. Construction Access Notes. This drawing contains the following

41.1. Railroad General Notes 1, 2, and 4 revised.

Change #42 Contract Plans, Volume 1, Drawing 123. Suggested Access Plan, UPRR Temporary Use Crossing. This drawing contains the following revisions (attached):

42.1. Revised limits of Temporary Construction Access, Aggregate Surface Course, Type A 4”.

42.2. Revised Notes 1 and 2.

Change #43 Contract Plans, Volume 1, Drawing 150. Removal Plan. This drawing contains the following revisions

43.1. The removal of a 176 LF of CONCRETE RETAINING WALL REMOVAL (Z0075496).

Change #44 Contract Plans, Volume 1, Drawing 155. Removal Detail Building Removal. This drawing contains the

44.1. Clarification on the width of the 10” Concrete Foundation (Item “N”).

Change #45 Contract Plans, Volume 1, Drawings 187 and 188. W2 Ramp Roadway Profile. This drawing contains the

45.1. Missing roadway profile added.

Change #46 Contract Plans, Volume 1, Drawing 233. Drainage Schedule. This drawing contains the following

46.1. Pipe 308 changed from pay item JT550524 to 550A0710 and its note removed.

46.2. Note clarifying location of storm sewer (JT550524) to be utilized removed from schedule.

Change #47 Contract Plans, Volume 1, Drawing 241. Pipe Underdrains Plan. This drawing contains the following

47.1. Added pipe underdrain U409A.

47.2. Revised pipe underdrain U409.

Change #48 Contract Plans, Volume 1, Drawing 250. Pipe Underdrain Schedule. This drawing contains the following

48.1. Revised pipe underdrain schedule.

Change #49 Contract Plans, Volume 1, Drawings 259 and 260. Erosion Control Plan. This drawing contains the

49.1. Added Filter Fabric Inlet Protection, Basket Type (JS280210) to some drainage structures.

Change #50 Contract Plans, Volume 1, Drawing 269. Erosion and Sediment Control Schedule of Quantities. This

50.1. Quantity of pay item JS280210 changed from 114 to 120 in Locations 1-3 and from 145 to 151 total.

Change #51 Contract Plans, Volume 1, Drawings 294 and 295. Landscape Plan. This drawing contains the following

51.1. Added drainage structures.

Addendum 3 Page 7 of 7 5/11/2026

Change #52 Contract Plans, Volume 2, Drawing 351. Devon Avenue Traffic Signals, Temporary Interconnect

Schematic. This drawing contains the following revisions (attached):

52.1. Revised PTZ cameras and controller cabinets from proposed to existing.

Change #53 Contract Plans, Volume 2, Drawings 363 to 365. ITS Underground Infrastructure Plan. This drawing contains the following revisions (attached):

53.1. Revised Conduit Tag A and B notes.

Change #54 Contract Plans, Volume 2, Drawing 366. ITS Plan. This drawing contains the following revisions

54.1. Switched the locations of fiber and electric power lines.

Change #55 Contract Plans, Volume 2, Drawing 371. Conduit Detail at Bridge Abutment. This drawing contains the

55.1. Revised note regarding applicable bridge numbers.

Change #56 Contract Plans, Volume 2, Drawing 376. Communication Details. This drawing contains the following

56.1. Removed 3 redundant details.

Change #57 Contract Plans, Volume 3, Drawing 550. I-490 Over UPRR Mainline (1669/1670), General Data and Bill of

Material. This drawing contains the following revisions (attached):

57.1. Revised Total Bill of Materials

Change #58 Contract Plans, Volume 3, Drawing 572. I-490 Over UPRR Mainline (1669), South Abutment Plan. This

58.1. Revised BN 1669 South Abutment quantity of piles furnished by others.

Change #59 Contract Plans, Volume 3, Drawing 573. I-490 Over UPRR Mainline (1669), South Abutment Details. This

59.1. Revised BN 1669 South Abutment Bill of Material.

Change #60 Contract Plans, Volume 3, Drawing 652. I-490 Over UPRR Mainline (1670), North Approach Bent Plan &

Elevation. This drawing contains the following revisions (attached):

60.1. Revised BN 1670 North Approach Bent Bill of Material and associated note.

Change #61 Contract Plans, Volume 4, Drawings 874 and 875. Retaining Wall WA4.36R, NB General Plan &

61.1. Added Limits of Mechanically Stabilized Earth Retaining Wall (JI522500) and Mechanically Stabilized Earth

Retaining Wall, Special (JI522503).

Change #62 Contract Plans, Volume 4, Drawings 934 and 935. Retaining Wall WA4.61R, SB General Plan &

62.1. Added Limits of Mechanically Stabilized Earth Retaining Wall (JI522500) and Mechanically Stabilized Earth

Change #63 Contract Plans, Volume 4, Drawing 986. Retaining Wall WA4.67R, NB General Plan & Elevation. This

63.1. Added Limits of Mechanically Stabilized Earth Retaining Wall (JI522500) and Mechanically Stabilized Earth

END OF ADDENDUM CHANGE

S.P.

PAY ITEM

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

* 20100110 TREE REMOVAL (6 TO 15 UNITS DIAMETER) UNIT 1,132

* 20100210 TREE REMOVAL (OVER 15 UNITS DIAMETER) UNIT 102

* 20100500 TREE REMOVAL, ACRES ACRE 8.50

* 20200100 EARTH EXCAVATION CU YD 368,567

* 20201200

REMOVAL AND DISPOSAL OF UNSUITABLE

MATERIAL

CU YD 2,523

20800150 TRENCH BACKFILL CU YD 11,405

25000400 NITROGEN FERTILIZER NUTRIENT POUND 470

25000600 POTASSIUM FERTILIZER NUTRIENT POUND 1,406

25000750 MOWING ACRE 15.00

25100115 MULCH, METHOD 2 ACRE 2.50

BDE 25100630 EROSION CONTROL BLANKET SQ YD 55,929

25100900 TURF REINFORCEMENT MAT SQ YD 1,062

28000500 INLET AND PIPE PROTECTION EACH 17

28100105 STONE RIPRAP, CLASS A3 SQ YD 5,691

31101200 SUBBASE GRANULAR MATERIAL, TYPE B 4" SQ YD 408

31101600 SUBBASE GRANULAR MATERIAL, TYPE B 8" SQ YD 1,132

35102200 AGGREGATE BASE COURSE, TYPE B 10" SQ YD 4,829

40200300 AGGREGATE SURFACE COURSE, TYPE A 4" SQ YD 12,760

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

Contract I-20-4720 Addendum 3 P - 5 April 30, 2026 R May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

40200710 AGGREGATE SURFACE COURSE, TYPE A 10" SQ YD 706

40200800 AGGREGATE SURFACE COURSE, TYPE B TON 3,141

40600275 BITUMINOUS MATERIALS (PRIME COAT) POUND 75,149

D1 40603080

HOT-MIX ASPHALT BINDER COURSE, IL-19.0,

N50

TON 1,321

D1 40603085

HOT-MIX ASPHALT BINDER COURSE, IL-19.0,

N70

TON 525

D1 40604060

HOT-MIX ASPHALT SURFACE COURSE, IL-9.5,

MIX "D", N50

TON 126

D1 40604062

HOT-MIX ASPHALT SURFACE COURSE, IL-9.5,

MIX "D", N70

TON 350

42001300 PROTECTIVE COAT SQ YD 101,464

42300400

PORTLAND CEMENT CONCRETE DRIVEWAY

PAVEMENT, 8 INCH

SQ YD 79

42400200

PORTLAND CEMENT CONCRETE SIDEWALK 5

INCH

SQ FT 3,983

44000100 PAVEMENT REMOVAL SQ YD 11,763

44000500 COMBINATION CURB AND GUTTER REMOVAL FOOT 973

44000600 SIDEWALK REMOVAL SQ FT 533

44001980 CONCRETE BARRIER REMOVAL FOOT 1,512

44003510 MEDIAN REMOVAL PARTIAL DEPTH SQ FT 1,140

50104400 CONCRETE HEADWALL REMOVAL EACH 14

50200100 STRUCTURE EXCAVATION CU YD 12,401

50200450

REMOVAL AND DISPOSAL OF UNSUITABLE

MATERIAL FOR STRUCTURES

CU YD 5,683

Addendum 3 P - 6 April 30, 2026May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

* 50300225 CONCRETE STRUCTURES CU YD 3,178.7

* 50300255 CONCRETE SUPERSTRUCTURE CU YD 1,642.0

50300300 PROTECTIVE COAT SQ YD 32,155

50401330

FURNISHING AND ERECTING PRECAST

PRESTRESSED CONCRETE BEAMS, IL54

FOOT 1,496

50401340

FURNISHING AND ERECTING PRECAST

PRESTRESSED CONCRETE BEAMS, IL63

FOOT 2,883

50500105

FURNISHING AND ERECTING STRUCTURAL

STEEL

L SUM 1

50500505 STUD SHEAR CONNECTORS EACH 21,657

* 50800105 REINFORCEMENT BARS POUND 395,240

* 50800205 REINFORCEMENT BARS, EPOXY COATED POUND 3,052,640

* 50800530 MECHANICAL SPLICERS EACH 1,472

50901760 PIPE HANDRAIL FOOT 122

BDE 51100100 SLOPE WALL 4 INCH SQ YD 837

51201600 FURNISHING STEEL PILES HP12X53 FOOT 2,878

51201800 FURNISHING STEEL PILES HP14X73 FOOT 6,125

51201900 FURNISHING STEEL PILES HP14X89 FOOT 3,192

51202305 DRIVING PILES FOOT 12,195

51203600 TEST PILE STEEL HP12X53 EACH 6

51203800 TEST PILE STEEL HP 14X73 EACH 4

Addendum 3 P - 7 April 30, 2026 R May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

51203900 TEST PILE STEEL HP14X89 EACH 2

51204550 PILE LOAD TEST EACH 80

51204650 PILE SHOES EACH 321

GBSP 51602000 PERMANENT CASING FOOT 1,672

GBSP 51603000 DRILLED SHAFT IN SOIL CU YD 21.1

52100520 ANCHOR BOLTS, 1" EACH 160

52100540 ANCHOR BOLTS, 1 1/2 " EACH 80

52200700 PRECAST MODULAR RETAINING WALL SQ FT 6,904

* 52200900 CONCRETE STRUCTURES (RETAINING WALL) CU YD 4,146.3

5425A018

PIPE CULVERTS, CLASS A, TYPE 5 18"

(TEMPORARY)

FOOT 1,033

550A0050 STORM SEWERS, CLASS A, TYPE 1 12" FOOT 289

550A0070 STORM SEWERS, CLASS A, TYPE 1 15" FOOT 90

550A0120 STORM SEWERS, CLASS A, TYPE 1 24" FOOT 81

550A0340 STORM SEWERS, CLASS A, TYPE 2 12" FOOT 395

550A0360 STORM SEWERS, CLASS A, TYPE 2 15" FOOT 5,369

550A0380 STORM SEWERS, CLASS A, TYPE 2 18" FOOT 2,496

550A0400 STORM SEWERS, CLASS A, TYPE 2 21" FOOT 179

550A0410 STORM SEWERS, CLASS A, TYPE 2 24" FOOT 1,437

Addendum 3 P - 8 April 30, 2026May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

550A0430 STORM SEWERS, CLASS A, TYPE 2 30" FOOT 121

550A0450 STORM SEWERS, CLASS A, TYPE 2 36" FOOT 789

550A0470 STORM SEWERS, CLASS A, TYPE 2 42" FOOT 76

550A0480 STORM SEWERS, CLASS A, TYPE 2 48" FOOT 24

550A0500 STORM SEWERS, CLASS A, TYPE 2 60" FOOT 7

550A0660 STORM SEWERS, CLASS A, TYPE 3 15" FOOT 70

550A0680 STORM SEWERS, CLASS A, TYPE 3 18" FOOT 83

550A0710 STORM SEWERS, CLASS A, TYPE 3 24" FOOT 877

550A0750 STORM SEWERS, CLASS A, TYPE 3 36" FOOT 793

550A0780 STORM SEWERS, CLASS A, TYPE 3 48" FOOT 493

550A1050 STORM SEWERS, CLASS A, TYPE 4 36" FOOT 89

550A1080 STORM SEWERS, CLASS A, TYPE 4 48" FOOT 577

550A1640 STORM SEWERS, CLASS A, TYPE 6 42" FOOT 87

55100400 STORM SEWER REMOVAL 10" FOOT 32

55100500 STORM SEWER REMOVAL 12" FOOT 325

55100700 STORM SEWER REMOVAL 15" FOOT 236

55100900 STORM SEWER REMOVAL 18" FOOT 584

55101200 STORM SEWER REMOVAL 24" FOOT 647

Addendum 3 P - 9 April 30, 2026 R May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

55101400 STORM SEWER REMOVAL 30" FOOT 434

55101600 STORM SEWER REMOVAL 36" FOOT 81

55101900 STORM SEWER REMOVAL 48" FOOT 5

56103200 DUCTILE IRON WATER MAIN 10" FOOT 47

56103300 DUCTILE IRON WATER MAIN 12" FOOT 1,878

* 56400500 FIRE HYDRANTS TO BE REMOVED EACH 1

* 56400820

FIRE HYDRANT WITH AUXILIARY VALVE AND

VALVE BOX

EACH 2

* 56500500 DOMESTIC METER VAULTS EACH 1

58600101 GRANULAR BACKFILL FOR STRUCTURES CU YD 765

58700300 CONCRETE SEALER SQ FT 34,833

59100100 GEOCOMPOSITE WALL DRAIN SQ YD 826

60146304 PIPE UNDERDRAINS FOR STRUCTURES 4" FOOT 944

60146305

PIPE UNDERDRAINS FOR STRUCTURES

(SPECIAL) 4"

FOOT 180

60146306 PIPE UNDERDRAINS FOR STRUCTURES 6" FOOT 392

60200105

CATCH BASINS, TYPE A, 4'-DIAMETER, TYPE 1

FRAME, OPEN LID

EACH 3

60200805

CATCH BASINS, TYPE A, 4'-DIAMETER, TYPE 8

GRATE

EACH 2

60218400

MANHOLES, TYPE A, 4'-DIAMETER, TYPE 1

FRAME, CLOSED LID

EACH 9

60219000

MANHOLES, TYPE A, 4'-DIAMETER, TYPE 8

GRATE

EACH 3

Addendum 3 P - 10 April 30, 2026May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

60221100

MANHOLES, TYPE A, 5'-DIAMETER, TYPE 1

FRAME, CLOSED LID

EACH 6

60221700

MANHOLES, TYPE A, 5'-DIAMETER, TYPE 8

GRATE

EACH 7

60223800

MANHOLES, TYPE A, 6'-DIAMETER, TYPE 1

FRAME, CLOSED LID

EACH 4

60223810

MANHOLES, TYPE A, 6'-DIAMETER, TYPE 3

FRAME AND GRATE

EACH 1

60224005

MANHOLES, TYPE A, 6'-DIAMETER, TYPE 8

GRATE

EACH 1

60224446

MANHOLES, TYPE A, 7'-DIAMETER, TYPE 1

FRAME, CLOSED LID

EACH 2

60224458

MANHOLES, TYPE A, 8'-DIAMETER, TYPE 8

GRATE

EACH 1

60224459

MANHOLES, TYPE A, 8'-DIAMETER, TYPE 1

FRAME, CLOSED LID

EACH 4

60224469

MANHOLES, TYPE A, 9'-DIAMETER, TYPE 1

FRAME, CLOSED LID

EACH 1

60250200 CATCH BASINS TO BE ADJUSTED EACH 2

60252800 CATCH BASINS TO BE RECONSTRUCTED EACH 2

60500040 REMOVING MANHOLES EACH 9

60500050 REMOVING CATCH BASINS EACH 11

60500060 REMOVING INLETS EACH 1

60600095 CLASS SI CONCRETE (OUTLET) CU YD 9

60603800

COMBINATION CONCRETE CURB AND

GUTTER, TYPE B-6.12

FOOT 782

60605000

COMBINATION CONCRETE CURB AND

GUTTER, TYPE B-6.24

FOOT 447

* 66900530 SOIL DISPOSAL ANALYSIS EACH 8

Addendum 3 P - 11 April 30, 2026May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

67201000 SEALING ABANDONED WATER WELLS EACH 1

70301100

TEMPORARY PAVEMENT MARKING LETTERS

AND SYMBOLS - EPOXY

SQ FT 115

70301120

TEMPORARY PAVEMENT MARKING - LINE 4" -

EPOXY

FOOT 785

70301210

TEMPORARY PAVEMENT MARKING - LINE 24" -

EPOXY

FOOT 785

D1 72000100 SIGN PANEL - TYPE 1 SQ FT 33

D1 72000200 SIGN PANEL - TYPE 2 SQ FT 28

BDE 78005100

EPOXY PAVEMENT MARKING - LETTERS AND

SYMBOLS

SQ FT 80

BDE 78005110 EPOXY PAVEMENT MARKING - LINE 4" FOOT 1,809

BDE 78005130 EPOXY PAVEMENT MARKING - LINE 6" FOOT 35

BDE 78005150 EPOXY PAVEMENT MARKING - LINE 12" FOOT 681

BDE 78005180 EPOXY PAVEMENT MARKING - LINE 24" FOOT 77

78300202

PAVEMENT MARKING REMOVAL - WATER

BLASTING

SQ FT 350

D1 81028200

UNDERGROUND CONDUIT, GALVANIZED

STEEL, 2" DIA.

FOOT 1,475

D1 81028220

UNDERGROUND CONDUIT, GALVANIZED

STEEL, 3" DIA.

FOOT 24

D1 81028240

UNDERGROUND CONDUIT, GALVANIZED

STEEL, 4" DIA.

FOOT 511

D1 81100600

CONDUIT ATTACHED TO STRUCTURE, 2" DIA.,

GALVANIZED STEEL

FOOT 1,066

81300800

JUNCTION BOX, STAINLESS STEEL,

ATTACHED TO STRUCTURE, 18" X 12" X 6"

EACH 5

D1 81400100 HANDHOLE EACH 9

Addendum 3 P - 12 April 30, 2026May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

D1 81400300 DOUBLE HANDHOLE EACH 2

D1 85000200

MAINTENANCE OF EXISTING TRAFFIC SIGNAL

INSTALLATION

EACH 3

86400100 TRANSCEIVER - FIBER OPTIC EACH 1

D1 87300925

ELECTRIC CABLE IN CONDUIT, TRACER, NO.

14 1C

FOOT 1,773

D1 87301225

ELECTRIC CABLE IN CONDUIT, SIGNAL NO. 14

3C

FOOT 303

D1 87301245

ELECTRIC CABLE IN CONDUIT, SIGNAL NO. 14

5C

FOOT 3,319

D1 87301305

ELECTRIC CABLE IN CONDUIT, LEAD-IN, NO.

14 1 PAIR

FOOT 1,484

D1 87301805

ELECTRIC CABLE IN CONDUIT, SERVICE, NO.

6 2 C

FOOT 381

D1 87301900

ELECTRIC CABLE IN CONDUIT, EQUIPMENT

GROUNDING CONDUCTOR, NO. 6 1C

FOOT 640

D1 87502500

TRAFFIC SIGNAL POST, GALVANIZED STEEL

16 FT.

EACH 1

D1 87700170

STEEL MAST ARM ASSEMBLY AND POLE, 26

FT.

EACH 1

D1 87700230

STEEL MAST ARM ASSEMBLY AND POLE, 38

FT.

EACH 1

D1 87700300

STEEL MAST ARM ASSEMBLY AND POLE, 52

FT.

EACH 1

D1 87700420

STEEL MAST ARM ASSEMBLY AND POLE, 70

FT.

EACH 1

D1 87800100 CONCRETE FOUNDATION, TYPE A FOOT 4

D1 87800150 CONCRETE FOUNDATION, TYPE C FOOT 4

D1 87800400

CONCRETE FOUNDATION, TYPE E 30-INCH

DIAMETER

FOOT 24

D1 87800415

CONCRETE FOUNDATION, TYPE E 36-INCH

DIAMETER

FOOT 15

Addendum 3 P - 13 April 30, 2026May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

D1 87800420

CONCRETE FOUNDATION, TYPE E 42-INCH

DIAMETER

FOOT 25

87900200 DRILL EXISTING HANDHOLE EACH 1

D1 88030020

SIGNAL HEAD, LED, 1-FACE, 3-SECTION, MAST-

ARM MOUNTED

EACH 11

D1 88030050

SIGNAL HEAD, LED, 1-FACE, 3-SECTION,

BRACKET MOUNTED

EACH 4

D1 88200410

TRAFFIC SIGNAL BACKPLATE, LOUVERED,

FORMED PLASTIC

EACH 11

D1 88600100 DETECTOR LOOP, TYPE I FOOT 309

D1 88700200 LIGHT DETECTOR EACH 2

D1 88700300 LIGHT DETECTOR AMPLIFIER EACH 1

D1 89000100 TEMPORARY TRAFFIC SIGNAL INSTALLATION EACH 1

* A2002572

TREE, CARPINUS CAROLINIANA (AMERICAN

HORNBEAM), 1-1/2" CALIPER, TREE FORM

BALLED AND BURLAPPED

EACH 44

* A2005016

TREE, GYMNOCLADUS DIOICUS (KENTUCKY

COFFEETREE), 2" CALIPER, BALLED AND

BURLAPPED

EACH 10

* A2005616

TREE, OSTRYA VIRGINIANA (AMERICAN

HOPHORNBEAM), 2" CALIPER, BALLED AND

BURLAPPED

EACH 37

* B2006016

TREE, SYRINGA PEKINENSIS (PEKING LILAC),

2" CALIPER, TREE FORM, BALLED AND

BURLAPPED

EACH 26

* B2006316

TREE, SYRINGA RETICULATA IVORY SILK

(IVORY SILK JAPANESE TREE LILAC), 2"

CALIPER, TREE FORM, BALLED AND

BURLAPPED

EACH 14

* C2001636

SHRUB, CORNUS SERICEA (REDOSIER

DOGWOOD), 3' HEIGHT, BALLED AND

BURLAPPED

EACH 102

* C2011736

SHRUB, VIBURNUM DENTATUM

(ARROWWOOD VIBURNUM), 3' HEIGHT,

BALLED AND BURLAPPED

EACH 171

* K0036120 MULCH PLACEMENT 4" SQ YD 422

* K1005482 SHREDDED BARK MULCH 4" SQ YD 422

Addendum 3 P - 14 April 30, 2026May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

GBSP X0320051

CROSSHOLE SONIC LOGGING ACCESS

DUCTS

FOOT 1,752

GBSP X0320052 CROSSHOLE SONIC LOGGING TESTING EACH 16

D1 X0324085

EMERGENCY VEHICLE PRIORITY SYSTEM

LINE SENSOR CABLE, NO. 20 3/C

FOOT 312

D1 X0324599 ROD AND CLEAN EXISTING CONDUIT FOOT 252

* X0328019

REMOVEAND RE-ERECT MECHANICALLY

STABILIZED EARTH PANELS

SQ FT 350

* X0328027 SECURITY GATE EACH 5

D1 X1400150

SERVICE INSTALLATION, GROUND MOUNTED,

METERED

EACH 1

* X2011000 TEMPORARY FENCE (SPECIAL) FOOT 2,182

* X2090210 POROUS GRANULAR BACKFILL (SPECIAL) CU YD 20,344

* X2501845 SEEDING, CLASS 7 (SPECIAL) ACRE 8.25

* X2503000 MAINTENANCE MOWING ACRE 31.00

* X2503110 MOWING (SPECIAL) ACRE 1.00

* X4400070 CURB CUT FOOT 65

GBSP X5030250 BRIDGE DECK GROOVING (LONGITUDINAL) SQ YD 14,262

* X5030290 STAINING CONCRETE STRUCTURES SQ FT 20,813

GBSP X5080530 BAR TERMINATORS EACH 4,315

GBSP X5211455

HIGH LOAD MULTI-ROTATIONAL BEARINGS,

DISC, FIXED-1250K

EACH 4

GBSP X5211535

HIGH LOAD MULTI-ROTATIONAL BEARINGS,

DISC, NON-GUIDED EXPANSION-700K

EACH 16

Addendum 3 P - 15 April 30, 2026May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

GBSP X5211625

HIGH LOAD MULTI-ROTATIONAL BEARINGS,

DISC, GUIDED EXPANSION-500K

EACH 16

GBSP X5211655

HIGH LOAD MULTI-ROTATIONAL BEARINGS,

DISC, GUIDED EXPANSION-1250K

EACH 4

* X5510011

PROPOSED STORM SEWER CONNECTION TO

EXISTING MANHOLE

EACH 10

* X5537900 STORM SEWERS TO BE CLEANED 15" FOOT 1,053

* X5538000 STORM SEWERS TO BE CLEANED 18" FOOT 986

* X5538200 STORM SEWERS TO BE CLEANED 24" FOOT 409

* X5538400 STORM SEWERS TO BE CLEANED 30" FOOT 414

* X5538600 STORM SEWERS TO BE CLEANED 36" FOOT 281

* X5610004 DUCTILE IRON WATER MAIN FITTINGS POUND 1,849

* X5610712 WATER MAIN REMOVAL, 12" FOOT 1,345

* X5630712 CONNECTION TO EXISTING WATER MAIN 12" EACH 1

* X6020293

MANHOLES, TYPE A, 8'-DIAMETER, WITH 2

TYPE 1 FRAMES, CLOSED LID, RESTRICTOR

PLATE

EACH 1

* X6025300 CATCH BASINS TO BE ADJUSTED (SPECIAL) EACH 24

* X6026622 VALVE VAULTS TO BE REMOVED EACH 3

* X6026631 AUXILIARY VALVE AND VALVE BOX EACH 1

* X6028000

MANHOLES TO BE RECONSTRUCTED

(SPECIAL)

EACH 1

* X6050174 PLUG EXISTING STORM SEWERS CU YD 3

* X6050188 PLUG PIPE PENETRATION EACH 1

Addendum 3 P - 16 April 30, 2026May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

* X6050192

REMOVAL OF TEMPORARY STORM SEWER

PLUGS

EACH 2

* X6050218 FILLING EXISTING SEPTIC TANK EACH 1

* X6061310

CONCRETE MEDIAN SURFACE, 4 INCH

(SPECIAL)

SQ FT 6,944

* X6640104 FENCE REMOVAL FOOT 14,584

* X6640500 CHAIN LINK GATE ASSEMBLY (SPECIAL) EACH 2

* X6640570 CHAIN LINK FENCE, 8' (SPECIAL) FOOT 1,169

* X7010216

TRAFFIC CONTROL AND PROTECTION,

(SPECIAL)

L SUM 1

D1 X8570233

FULL-ACTUATED CONTROLLER AND TYPE

SUPER P CABINET (SPECIAL)

EACH 1

D1 X8620200

UNINTERRUPTABLE POWER SUPPLY

(SPECIAL)

EACH 1

D1 X8710024

FIBER OPTIC CABLE IN CONDUIT, NO.

62.5/125, MM12F SM24F

FOOT 1,780

D1 X8900104 TEMPORARY TRAFFIC SIGNAL TIMING EACH 1

* Z0007601 BUILDING REMOVAL NO. 1 L SUM 1

* Z0007602 BUILDING REMOVAL NO. 2 L SUM 1

D1 Z0033056 OPTIMIZE TRAFFIC SIGNAL SYSTEM EACH 2

GBSP Z0034809 MODULAR EXPANSION JOINT-SWIVEL 9" FOOT 572

* Z0056616

STORM SEWER (WATER MAIN

REQUIREMENTS) 24 INCH

FOOT 18

* Z0056620

STORM SEWER (WATER MAIN

REQUIREMENTS) 30 INCH

FOOT 85

FOOTSTEEL CASINGS 24"Z0067900* 376

Addendum 3 P - 17 April 30, 2026 R May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

* JI204005 FURNISHED EXCAVATION (SPECIAL) CU YD 5,810

* JI209040 SAND BACKFILL (SPECIAL) CU YD 1,137

* JI210100 GEOTECHNICAL FABRIC, SPECIAL SQ YD 60,493

* JI211110 TOPSOIL EXCAVATION AND PLACEMENT CU YD 28,459

* JI211112 TOPSOIL EXCAVATION AND DISPOSAL CU YD 12,722

* JI251010

EROSION CONTROL BLANKET,

BIODEGRADABLE NETTING

SQ YD 324,467

* JI282010 SUBGRADE FILTER FABRIC SQ YD 143,580

* JI312022 STABILIZED SUBBASE – WMA, 3” SQ YD 88,087

* JI406107 ASPHALT TACK COAT POUND 19,396

* JI406900

CONSTRUCTING WARM MIX ASPHALT TEST

STRIP

EACH 7

* JI420005

PORTLAND CEMENT CONCRETE PAVEMENT

10" (JOINTED)

SQ YD 24,836

* JI420040 BRIDGE APPROACH SLAB SQ YD 2,849

* JI420041 TRANSITION APPROACH SLAB SQ YD 4,716

* JI420046 TRANSITION APPROACH SHOULDER SLAB SQ YD 358

* JI481070 AGGREGATE SHOULDERS SPECIAL, TYPE C TON 600

* JI481130

AGGREGATE SHOULDERS WITH FILTER

FABRIC, TYPE B 4"

SQ YD 5,676

8SQ FT

COLORED CONCRETE SURFACE, 5"

(STAMPED)

JA424006*

Addendum 3 P - 18 April 30, 2026 R May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

* JI482104 WARM-MIX ASPHALT SHOULDERS (6 IN.) SQ YD 24,294

* JI482114 WARM-MIX ASPHALT SHOULDERS (10 IN.) SQ YD 26,468

* JI483500

PORTLAND CEMENT CONCRETE SHOULDERS

(JOINTED) 10"

SQ YD 260

* JI503010

HIGH PERFORMANCE CONCRETE

SUPERSTRUCTURE

CU YD 3,286.1

* JI503020

HIGH PERFORMANCE CONCRETE MOMENT

SLAB STRUCTURES

CU YD 3,112.0

* JI503230 MASS CONCRETE STRUCTURES CU YD 1,899.5

* JI512305 DRIVING PILES, SPECIAL FOOT 15,915

* JI516030 DRILLED SHAFT IN SOIL, MASS CONCRETE CU YD 2,055.0

* JI516040 DRILLED SHAFT IN ROCK, MASS CONCRETE CU YD 83.8

GBSP JI521879

HIGH LOAD MULTI-ROTATIONAL BEARINGS,

DISC, NON-GUIDED EXPANSION-1500K

EACH 8

* JI522500

MECHANICALLY STABILIZED EARTH

RETAINING WALL

SQ FT 37,887

* JI522503

MECHANICALLY STABILIZED EARTH

RETAINING WALL, SPECIAL

SQ FT 43,341

* JI522801

ADJUST EXISTING MECHANICALLY

STABILIZED EARTH RETAINING WALL,

LOCATION 1

L SUM 1

* JI522802

ADJUST EXISTING MECHANICALLY

STABILIZED EARTH RETAINING WALL,

LOCATION 2

L SUM 1

* JI522803

ADJUST EXISTING MECHANICALLY

STABILIZED EARTH RETAINING WALL,

LOCATION 3

L SUM 1

* JI522804

ADJUST EXISTING MECHANICALLY

STABILIZED EARTH RETAINING WALL,

LOCATION 4

L SUM 1

* JI522805

ADJUST EXISTING MECHANICALLY

STABILIZED EARTH RETAINING WALL,

LOCATION 5

L SUM 1

* JI522806

ADJUST EXISTING MECHANICALLY

STABILIZED EARTH RETAINING WALL,

LOCATION 6

L SUM 1

Addendum 3 P - 19 April 30, 2026 R May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

* JI599007

TEMPORARY SOIL RETENTION SYSTEM TO

REMAIN IN PLACE

SQ FT 3,836

* JI599021

FORM LINER TEXTURED SURFACE, LOCATION

EACH 1

* JI599023

FORM LINER TEXTURED SURFACE, LOCATION

EACH 1

* JI599040 FORM LINER TEXTURED SURFACE (SPECIAL) SQ FT 9,092

* JI601307

PIPE UNDERDRAINS, DIRECTIONALLY BORED,

8"

FOOT 380

* JI602115

CATCH BASINS, TYPE G-2, TYPE G-2 FRAME

AND GRATE

EACH 3

* JI602117

CATCH BASINS, TYPE G-2, TYPE G-2

MODIFIED FRAME AND GRATE

EACH 5

* JI602120

CATCH BASINS, TYPE G-3, TYPE G-3 FRAME

AND GRATE

EACH 8

* JI602128

CATCH BASINS, TYPE G-3 (MODIFIED), TYPE

20A FRAME AND GRATE

EACH 29

* JI602130

CATCH BASINS, TYPE G-4, TYPE G-3 FRAME

AND GRATE

EACH 1

* JI602184

CATCH BASINS, TYPE A, 4'-DIAMETER, TYPE

20A FRAME AND GRATE

EACH 21

* JI602190

CATCH BASINS, TYPE G-3 (MODIFIED), TYPE G-

3 FRAME AND GRATE

EACH 5

* JI602200

CATCH BASINS, TYPE A, 4'-DIAMETER,

SPECIAL

EACH 2

* JI602311

MANHOLE, TYPE A, 4 FT DIAMETER, TYPE 20A

FRAME AND GRATE

EACH 11

* JI602332

MANHOLE, TYPE A, 6 FT DIAMETER, TYPE G-3

FRAME AND GRATE

EACH 9

* JI602335

MANHOLE, TYPE A, 6 FT DIAMETER, TYPE 20A

FRAME AND GRATE

EACH 2

* JI602338

MANHOLE, TYPE A, 8 FT DIAMETER, TYPE G-3

FRAME AND GRATE

EACH 1

* JI602344

MANHOLE, TYPE A, 7 FT DIAMETER, TYPE 20A

FRAME AND GRATE

EACH 1

Addendum 3 P - 20 April 30, 2026May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

* JI602369

MANHOLE, TYPE A, 10 FT DIAMETER, TYPE G-

3 FRAME AND GRATE

EACH 1

* JI602508

DRAINAGE STRUCTURES TO BE ADJUSTED

WITH TYPE G-3 FRAME AND GRATE

EACH 1

* JI602518

DRAINAGE STRUCTURES TO BE ADJUSTED

WITH TYPE 20A FRAME AND GRATE

EACH 2

* JI602606

DRAINAGE STRUCTURES TO BE

RECONSTRUCTED WITH TYPE 20A FRAME

AND GRATE

EACH 11

* JI602740

DRAINAGE STRUCTURES, TYPE 4 WITH TWO

TYPE 20A FRAME AND GRATE

EACH 19

* JI602801

CATCH BASINS, TYPE G-4, TYPE 20A FRAME

AND GRATE

EACH 2

* JI602804

CATCH BASINS, TYPE G-4, WITH SPECIAL

FRAME AND GRATE WITH RESTRICTOR

PLATE

EACH 1

* JI606010 GUTTER, TYPE G-2 FOOT 1,023

* JI606015 GUTTER, TYPE G-2, MODIFIED FOOT 285

* JI606020 GUTTER, TYPE G-3 FOOT 3,188

* JI606030 GUTTER, TYPE G-3, MODIFIED FOOT 182

* JI606050 CONCRETE GUTTER (SPECIAL) FOOT 4,759

* JI631110

TRAFFIC BARRIER TERMINAL, TYPE T1

(SPECIAL) TANGENT

EACH 6

* JI637017 CONCRETE BARRIER BASE (SPECIAL) FOOT 191

* JI642012 ASPHALT SHOULDER RUMBLE STRIP, 8 INCH FOOT 15,120

* JI642014 ASPHALT SHOULDER RUMBLE STRIP, 16 INCH FOOT 6,533

* JI642020 CONCRETE SHOULDER RUMBLE STRIP FOOT 186

* JI642030 MOMENT SLAB RUMBLE STRIP FOOT 3,554

Addendum 3 P - 21 April 30, 2026May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

* JI664390

RIGHT-OF-WAY FENCE, TYPE 1, FUSED-

BONDED VINYL COATING

FOOT 1,128

* JI664392

CORNER POST, RIGHT-OF-WAY FENCE, TYPE

1, FUSED-BONDED VINYL COATING

EACH 2

* JI664393

PULL POST, RIGHT-OF-WAY FENCE, TYPE 1,

FUSED BONDED VINYL COATING

EACH 2

* JI664394

END POST, RIGHT-OF-WAY FENCE, TYPE 1,

FUSED-BONDED VINYL COATING

EACH 1

* JI664399

DOUBLE VEHICLE GATE, RIGHT-OF-WAY

FENCE, TYPE 1, FUSED-BONDED VINYL

COATING

EACH 1

* JI669016

REGULATED SUBSTANCES MONITORING AND

FIELD SCREENING

CAL DAY 60

* JI680004 HEADWALL TYPE I, 24" EACH 1

* JI680006 HEADWALL TYPE I, 30" EACH 1

* JI680070 HEADWALL TYPE III, 36", 1:3 EACH 3

* JI680071 HEADWALL TYPE III, 42", 1:3 EACH 1

* JI680072 HEADWALL TYPE III, 48", 1:3 EACH 2

* JI680103 SLOPED HEADWALL TYPE I, 15" EACH 4

* JI680120 SLOPED HEADWALL TYPE III, 6", 1:3 EACH 1

* JI680122 SLOPED HEADWALL TYPE III, 15", 1:3 EACH 1

* JI680123 SLOPED HEADWALL TYPE III, 18", 1:3 EACH 3

* JI680125 SLOPED HEADWALL TYPE III, 24", 1:3 EACH 3

* JI680127 SLOPED HEADWALL TYPE III, 30", 1:3 EACH 1

* JI680130 SLOPED HEADWALL TYPE III, 6", 1:4 EACH 3

Addendum 3 P - 22 April 30, 2026May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

* JI680135 SLOPED HEADWALL TYPE III, 24", 1:4 EACH 6

* JI680137 SLOPED HEADWALL TYPE III, 30", 1:4 EACH 1

* JI680140 SLOPED HEADWALL TYPE III, 6", 1:6 EACH 1

* JI680141 SLOPED HEADWALL TYPE III, 12", 1:6 EACH 1

* JI680220 DOUBLE SLOPED HEADWALL TYPE III, 2-6”,1:3 EACH 10

* JI680221 DOUBLE SLOPED HEADWALL TYPE III, 2-6”,1:4 EACH 8

* JI680222 DOUBLE SLOPED HEADWALL TYPE III, 2-6”,1:6 EACH 3

* JI720210 TEMPORARY SIGNING SQ FT 243

* JI811276

CONDUIT ATTACHED TO STRUCTURE, 2" DIA.,

STAINLESS STEEL

FOOT 50

* JI830030

GROUND MOUNTED LIGHT POLE, ALUMINUM,

18 FT., 6 FT. MAST ARM

EACH 5

* JI900100 CONCRETE COLLAR EACH 6

* JIA20091

TREE, ULMUS AMERICANA PRINCETON

(PRINCETON AMERICAN ELM), 1 ½” CALIPER,

BALLED AND BURLAPPED

EACH 18

** JS107360 DUST CONTROL WATERING UNIT 1,121

** JS120100

TRAILER MOUNTED FULL MATRIX PORTABLE

CHANGEABLE MESSAGE SIGNS

EACH 3

** JS120101

TRAILER MOUNTED FULL MATRIX PORTABLE

CHANGEABLE MESSAGE SIGNS

EACH/WEEK 1

** JS120102

TRAILER MOUNTED FULL MATRIX PORTABLE

CHANGEABLE MESSAGE SIGNS

EACH/MONTH 1

** JS120710 ENERGY ATTENUATOR EACH 5

** JS120715 ENERGY ATTENUATOR CONCRETE PAD SQ FT 529

Addendum 3 P - 23 April 30, 2026May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

** JS213004

EXPLORATION TRENCH, UTILITIES (HAND

EXCAVATION)

FOOT 700

** JS213006

EXPLORATION TRENCH, UTILITIES (VACUUM

EXCAVATION)

FOOT 2,200

** JS280020

MANAGEMENT OF EROSION AND SEDIMENT

CONTROL

CAL MO 36

** JS280040

EROSION AND SEDIMENT CONTROL-

CLEANOUT

CU YD 34

** JS280050 SILT FENCE FOOT 19,273

** JS280051 RE-ERECT SILT FENCE FOOT 3,985

** JS280070 STABILIZED CONSTRUCTION ENTRANCE SQ YD 1,724

** JS280100 SUPER SILT FENCE FOOT 550

** JS280140 TEMPORARY RIPRAP TON 756

** JS280151 SAME-DAY STABILIZATION SQ YD 9,680

** JS280180 RECTANGULAR INLET PROTECTION EACH 11

** JS280205

FILTER FABRIC INLET PROTECTION, COVER

TYPE

EACH 73

** JS280210

FILTER FABRIC INLET PROTECTION, BASKET

TYPE

EACH 151

** JS280305 TEMPORARY DITCH CHECKS FOOT 2,390

** JS285055

ARTICULATED CONCRETE BLOCK

REVETMENT SYSTEM, TYPE 1

SQ YD 1,065

** JS452200 JOINT ROUTING ASPHALT SHOULDER FOOT 41,128

** JS452300 JOINT SEALING ASPHALT SHOULDER POUND 6,875

* JS503160

DIAMOND GRINDING AND SURFACE

SMOOTHNESS FOR BRIDGE SECTIONS

SQ YD 14,157

Addendum 3 P - 24 April 30, 2026 R May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

** JS601300 PIPE UNDERDRAINS, 6" (SPECIAL) FOOT 2,146

** JS601320

PIPE UNDERDRAINS, FABRIC LINED TRENCH

6"

FOOT 27,322

** JS601325

PIPE UNDERDRAINS, FABRIC LINED TRENCH

8"

FOOT 4,362

** JS630002

GALVANIZED STEEL PLATE BEAM

GUARDRAIL, TYPE A 6 FOOT POSTS

FOOT 5,468

** JS631120 TRAFFIC BARRIER TERMINAL, TYPE T2 EACH 2

** JS631130 TRAFFIC BARRIER TERMINAL, TYPE T6 EACH 3

** JS631135 TRAFFIC BARRIER TERMINAL, TYPE T6B EACH 5

** JS631140 TRAFFIC BARRIER TERMINAL, TYPE T10 EACH 5

** JS664305 RIGHT-OF-WAY FENCE, TYPE 1, 6' FOOT 7,733

** JS664310

CORNER POST, RIGHT-OF-WAY FENCE, TYPE

EACH 8

** JS664315 PULL POST, RIGHT-OF-WAY FENCE, TYPE 1 EACH 11

** JS664320 END POST, RIGHT-OF-WAY FENCE, TYPE 1 EACH 7

** JS664335

DOUBLE VEHICLE GATE, RIGHT-OF-WAY

FENCE, TYPE 1

EACH 1

** JS670CM0 FIELD OFFICE, TYPE C (MODIFIED) CAL MO 42

** JS671020 MOBILIZATION, TOLLWAY (MODIFIED) L SUM 1

** JS701050

TEMPORARY INFORMATION SIGNING-

GROUND MOUNT, 24 SQ FT IN AREA OR LESS

SQ FT 30

* JS725000 TERMINAL MARKER - DIRECT APPLIED EACH 6

** JS733610

OVERHEAD SIGN STRUCTURE, AET RAMP

ENTRANCE MONOTUBE TYPE (STEEL)

FOOT 90

Addendum 3 P - 25 April 30, 2026May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

** JS733630

OVERHEAD SIGN STRUCTURE, AET RAMP

EXIT MONOTUBE TYPE (STEEL)

FOOT 90

** JS733710

OVERHEAD SIGN STRUCTURE, MAINLINE

ENTRANCE MONOTUBE TYPE (STEEL)

FOOT 190

** JS733750

OVERHEAD SIGN STRUCTURE, MAINLINE EXIT

MONOTUBE TYPE (STEEL)

FOOT 139

** JS734A10

FOUNDATION FOR OVERHEAD SIGN

STRUCTURE, SPAN TYPE

CU YD 907.6

** JS734B10

FOUNDATION FOR OVERHEAD SIGN

STRUCTURE, CANTILEVER TYPE

CU YD 125.4

** JS734E10

FOUNDATION FOR OVERHEAD SIGN

STRUCTURE, MAINLINE MONOTUBE TYPE

CU YD 138.8

** JS734F10

FOUNDATION FOR OVERHEAD SIGN

STRUCTURE, RAMP MONOTUBE TYPE

CU YD 83.2

* JS782014 GUARDRAIL BARRIER REFLECTORS, TYPE B EACH 73

** JS782022 BARRIER WALL REFLECTORS, TYPE C EACH 328

** JS804100 ELECTRIC SERVICE INSTALLATION EACH 4

** JS810100

UNDERGROUND CONDUIT, PVC COATED

GALVANIZED STEEL, 4” DIA.

FOOT 2,191

** JS810826

UNDERGROUND CONDUIT, GALVANIZED

STEEL, 6" DIA.

FOOT 687

** JS810835 UNDERGROUND CONDUIT, PVC, 2" DIA. FOOT 100

* JS810881

UNDERGROUND CONDUIT, COILABLE

NONMETALLIC CONDUIT, 6" DIA.

FOOT 225

** JS811051

CONDUIT ATTACHED TO STRUCTURE, 1 1/2"

DIA., PVC COATED GALVANIZED STEEL

FOOT 2,045

** JS811060

CONDUIT ATTACHED TO STRUCTURE, 2" DIA.,

PVC COATED GALVANIZED STEEL

FOOT 4,679

** JS811100

CONDUIT ATTACHED TO STRUCTURE, 4" DIA.,

PVC COATED GALVANIZED STEEL

FOOT 168

** JS811120

CONDUIT ATTACHED TO STRUCTURE, 6" DIA.,

PVC COATED GALVANIZED STEEL

FOOT 800

Addendum 3 P - 26 April 30, 2026May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

** JS812023

CONDUIT EMBEDDED IN STRUCTURE, 2" DIA.,

PVC

FOOT 6,020

** JS812027

CONDUIT EMBEDDED IN STRUCTURE, 4" DIA.,

PVC

FOOT 7,036

** JS813001

JUNCTION BOX, STAINLESS STEEL,

EMBEDDED IN STRUCTURE, 20" X 12" X 8"

EACH 11

** JS813022

JUNCTION BOX, STAINLESS STEEL,

ATTACHED TO STRUCTURE, 6" X 6" X 4"

EACH 52

** JS813053

JUNCTION BOX, STAINLESS STEEL,

ATTACHED TO STRUCTURE, 12" X 10" X 6"

EACH 20

** JS813083

JUNCTION BOX, STAINLESS STEEL,

ATTACHED TO STRUCTURE, 18" X 18" X 8"

EACH 15

** JS813096

JUNCTION BOX, STAINLESS STEEL,

ATTACHED TO STRUCTURE, 30" X 24" X 12"

EACH 10

** JS814001 HANDHOLE, TOLLWAY EACH 24

** JS814002 HEAVY-DUTY HANDHOLE, TOLLWAY EACH 30

** JS816076

UNIT DUCT, WITH 4-1/C NO. 2 AND 1/C NO. 4

GROUND, 600V (XLP-TYPE USE), 2" DIA. CNC

FOOT 29,321

** JS817211

ELECTRIC CABLE IN CONDUIT, 600V (XLP-

TYPE USE) 1/C NO. 10

FOOT 13,204

** JS817212

ELECTRIC CABLE IN CONDUIT, 600V (XLP-

TYPE USE) 1/C NO. 8

FOOT 1,156

** JS817213

ELECTRIC CABLE IN CONDUIT, 600V (XLP-

TYPE USE) 1/C NO. 6

FOOT 6,222

** JS817214

ELECTRIC CABLE IN CONDUIT, 600V (XLP-

TYPE USE) 1/C NO. 4

FOOT 13,285

** JS817215

ELECTRIC CABLE IN CONDUIT, 600V (XLP-

TYPE USE) 1/C NO. 2

FOOT 52,987

** JS817216

ELECTRIC CABLE IN CONDUIT, 600V (XLP-

TYPE USE) 1/C NO. 1/0

FOOT 300

** JS821100 LUMINAIRE, LED, HORIZONTAL MOUNT EACH 79

** JS821110 UNDERPASS LUMINAIRE, LED EACH 52

Addendum 3 P - 27 April 30, 2026May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

* JS821120

LUMINAIRE, LED, HORIZONTAL MOUNT,

SPECIAL

EACH 8

** JS825004 LIGHTING CONTROLLER, 200 AMPERE EACH 1

** JS825010 LIGHTING CONTROLLER. SPECIAL EACH 2

** JS828001

LIGHTING CONTROLLER FOUNDATION, TYPE

A

EACH 2

** JS830003

GROUND MOUNTED LIGHT POLE, ALUMINUM,

50 FT., 15 FT. MAST ARM

EACH 30

** JS830006

BRIDGE MOUNTED LIGHT POLE, ALUMINUM,

50 FT., 12 FT. MAST ARM

EACH 5

** JS830013

WALL MOUNTED LIGHT POLE, ALUMINUM, 50

FT., 12 FT. MAST ARM

EACH 24

** JS830015

WALL MOUNTED LIGHT POLE, ALUMINUM, 50

FT., TWO 6 FT. MAST ARMS

EACH 10

** JS830022

WALL MOUNTED LIGHT POLE, ALUMINUM, 25

FT., 12 FT. MAST ARM

EACH 4

** JS830050

GROUND MOUNTED LIGHT POLE, ALUMINUM,

25 FT., 12 FT. MAST ARM

EACH 4

** JS830051

GROUND MOUNTED LIGHT POLE, ALUMINUM,

30 FT., 15 FT. MAST ARM

EACH 19

** JS830076

WALL MOUNTED LIGHT POLE, ALUMINUM, 30

FT., TWO 6 FT. MAST ARM

EACH 10

** JS830077

WALL MOUNTED LIGHT POLE, ALUMINUM, 30

FT., 15 FT. MAST ARM

EACH 9

** JS836001

LIGHT POLE FOUNDATION (ROADWAY) STEEL

HELIX (7 FT) OR CONCRETE

EACH 67

** JS836003

LIGHT POLE FOUNDATION (ROADWAY)

CONCRETE

EACH 40

** JS836005

LIGHT POLE FOUNDATION (ROADWAY)

MEDIAN, TYPE 1

EACH 36

** JS846001 MAINTAIN LIGHTING SYSTEM L SUM 1

* JT130776 DIGITAL SURVEY QL-A FOOT 54,098

Addendum 3 P - 28 April 30, 2026May 6, 2026May 7, 2026May 11, 2026

NO.

DESIGNATION UNIT QUANTITY

UNIT PRICE

DOLLAR

AMOUNT

DOLLAR

THE ILLINOIS STATE TOLL HIGHWAY AUTHORITY

CONTRACT I-20-4720

SUPREME DRIVE TO I-90

MILE POST 3.9 TO MILE POST 6.3

ROADWAY AND BRIDGE CONSTRUCTION

ELGIN O'HARE WESTERN ACCESS TOLLWAY (I-490)

SCHEDULE OF PRICES

* JT131475 SPLICE BOX AND COVER,…