20250410_Addendum_1_with_Attachments.pdf

Bloomfield Hills Delhi Township Detroit Grand Rapids Howell Jackson Kalamazoo Traverse City Troy

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555 Hulet Drive Bloomfield Hills, MI 48302-0360

248-454-6300 www.hrcengr.com

ADDENDUM NO. 1

TO SPECIFICATIONS AND PLANS FOR THE

2025 SAFETY PATH PROGRAM (W. MAPLE ROAD)

BLOOMFIELD TOWNSHIP

OAKLAND COUNTY, MICHIGAN

Date: April 10, 2025, HRC Job No. 20240038

This Addendum is issued prior to receipt of bids to provide for certain changes and clarifications to the Specifications and/or the Plans, as herein specified, and is hereby made a part of the Contract Documents and shall be taken into consideration in preparing the Proposal. The General Conditions and Specifications for the original work and the Contract Drawings are to govern this work unless otherwise revised herein. All other conditions remain the same.

The Bidder shall acknowledge the receipt of this Addendum by signing this Addendum and enclosing it in the submission of his bids. This must also be acknowledged on Page 4 of the Proposal. The proposal included in this Addendum must be submitted for the bid to be considered responsive. Failure to enclose Addendum No. 1 in the submission of bids may be justification for the bid proposal being rejected as non-responsive.

The following lists the extent of this Addendum. Description of the changes or clarifications are given within each heading:

CONTRACT DOCUMENTS:

1. SECTION 00300 – PROPOSAL (Revised and Reissued) o Revise to add missing line numbers in DIVISION A and renumber subsequent line items, and to remove line item 58.

2. SECTION 02511 – HOT MIXED ASPHALT PAVEMENT (Revised and Reissued).

o Revised to change the requirements for binder used in leveling course.

3. SECTION 02520 – CONCRETE PAVING MATERIALS

o Revised to increase the minimum required cement quantity.

SUMMARY:

This Addendum No. 1 has been issued to revise the numbering on the proposal form, the requirements for HMA pavement, and the requirements for concrete paving materials. A copy of the amended pages of the Contract Documents noted in this Addendum

No. 1 have been posted online at http://www.hrcengr.com/bid-info, www.bidnetdirect.com/mitn and should be utilized during the preparation of bids and incorporated into the Bid Documents.

The Bidder shall acknowledge receipt of this Addendum No. 1 by signing in the location provided below and incorporating this Addendum No. 1 with the submission of his bid. Failure to include Addendum No. 1 and its attachments may result in rejection of the bid.

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Addendum No. 1

September 12, 2023

HRC Job Number 20220782

Respectfully submitted, HUBBELL, ROTH & CLARK, INC.

Karyn M. Stickel, P.E. Melissa Fickel Senior Associate Project Engineer pc: All plan holders Bloomfield Township; R.C. Almas, C. Markus HRC; File

Received and Acknowledged By:

Company:

Signature:

Printed Name:

Title:

Date: _________________________

BLOOMFIELD TOWNSHIP PROPOSAL

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PROPOSAL

FOR

2025 SAFETY PATH PROGRAM

TOWNSHIP OF BLOOMFIELD

OAKLAND COUNTY, MICHIGAN

TOWNSHIP OF BLOOMFIELD Bids Due: Thursday, April 17, 2025 DAVE PAYNE PUBLIC SERVICES BUILDING On or Before 2:00 Pm, Local Time 4200 TELEGRAPH ROAD HRC Job No. 20240038

BLOOMFIELD HILLS, MI 48302

To Prospective Bidders:

Name of Bidder:

Address:

Date: Telephone: Fax:

The above, as Bidder, hereby declares this bid is made in good faith without fraud or collusion with any persons bidding, and that the Drawings, Specifications, and all other information referenced in the Instructions to Bidders have been examined. Further, the Bidder is familiar with the location of the work described herein and is fully informed as to the nature of the work and the conditions relating to the performance of the Contract.

The Bidder acknowledges that no representations or warranties of any nature whatsoever have been received, or are relied upon from the TOWNSHIP OF BLOOMFIELD, its agents or employees, as to any conditions to be encountered in accomplishing the work and that the bid is based solely upon the Bidder�s own independent judgment.

The above, as Bidder, hereby certifies that the Drawings, Specifications, and other data provided by the Owner for bidding purposes have been examined. Further, the undersigned certifies that the proposed construction methods have been reviewed and found acceptable for the conditions which can be anticipated from the information provided for bidding.

The Bidder hereby affirms that the site of work has been inspected and further declares that no charges in addition to the Individual Unit Prices shall be made on account of any job circumstances or field conditions which were present and/or ascertainable prior to the bidding. In addition, The Contractor, as such and as Bidder, shall make the determination as to existing soil conditions and shall also complete the work under whatever conditions created by the Contractor/Bidder�s sequence of construction, construction methods, or other conditions the Contractor/Bidder may create, at no additional cost to the Owner.

The above, as Bidder, confirms knowledge of the location of the proposed 2025 SAFETY PATH PROGRAM and appurtenant construction in the TOWNSHIP OF BLOOMFIELD, OAKLAND County, Michigan, and the conditions under which it must be constructed; and also declares to have carefully examined the Drawings, Specifications, and Contract Documents which the Bidder understands and accepts as sufficient for the purpose of constructing said 2025 SAFETY PATH PROGRAM and appurtenant work, and agrees to contract with the TOWNSHIP OF BLOOMFIELD to furnish all labor, materials, tools, equipment, facilities and supervision

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W MAPLE ROAD � Grading and installation of approximately 3,323 linear feet of 5� wide concrete safety path along the north side of W Maple Road, between Franklin Road and Surrey Cross Road, including safety path, traffic control, tree/vegetation removals, landscaping and restoration.

Item Quantity Unit Price Total Cost

DIVISION A - CIVIL

1. Mobilization - Max 5% 1 LS @ $LUMP SUM = $

2. Color Audio-Video Route Survey 1 LS @ $LUMP SUM = $

3. Traffic Maintenance and Minor Traffic

Devices (Incl. Flag Control) 1 LS @ $LUMP SUM = $

4. Erosion Control, Silt Fence 505 LFT @ $ = $

5. Erosion Control, Inlet Protection Fabric Bag 29 EA @ $ = $

6. 4� Tree & Property Protection Fence 500 LFT @ $_________ = $____________

7. Tree Removal, 6� � 18� dbh 24 EA @ $ = $

8. Tree Removal, 19� � 36� dbh 1 EA @ $ = $

9. Tree Removal, 36� dbh or Greater 3 EA @ $ = $

10. Saw Cutting, Pvmt-Full Depth 884 LFT @ $_________ = $____________

11. Pavement, Rem, Full Depth 385 SYD @ $_________ = $____________

12. Safety Path, Rem, Full Depth 28 SYD @ $_________ = $____________

13. Curb and Gutter, Rem 415 LFT @ $ = $

14. Road Sign Remove/Relocate 17 EA @ $_________ = $____________

15. Culvert, 12-inch, Rem 5 LF @ $_________ = $____________

16. Dr Structure, Rem 1 EA @ $_________ = $____________

17. Boulder Remove/Relocate 1 EA @ $_________ = $____________

18. Station Grading, Special 33.5 STA @ $_________ = $____________

19. Structure Adjustment (+/- 6�) 24 EA @ $_________ = $____________

20. Modular Retaining Wall, Conc. Installed 1043 SFFT @ $_________ = $____________

21. Dr Structure, 60 Inch Dia 1 EA @ $_________ = $____________

22. Dr Structure Cover Type B 1 EA @ $_________ = $____________

23. Culv, RCP, 12 Inch 9 LFT @ $_________ = $____________

24. Aggregate Base, 4 Inch, MDOT 21AA 1981 SYD @ $_________ = $____________

25. Aggregate Base, 6 Inch, MDOT 21AA 505 SYD @ $_________ = $____________

26. HRC Base Repair, Curb Detail 87 LFT @ $_________ = $____________

27. Concrete Curb Opening, Safety Path 89 LFT @ $_________ = $____________

28. Concrete Curb and Gutter, MDOT Varies 373 LFT @ $_________ = $____________

29. Concrete Side Street Approach, 8 Inch 264 SYD @ $_________ = $____________

30. Concrete Drive, Nonreinforced, 6 Inch 70 SYD @ $_________ = $____________

31. Concrete, Safety Path, 4 Inch 13784 SFT @ $_________ = $____________

32. Concrete Safety Path, 6 Inch 1225 SFT @ $_________ = $____________

33. Slope Paving, Conc 20 SYD @ $_________ = $____________

34. HMA 5EML Course, RCOC 3 TON @ $_________ = $____________

35. Cold Milling HMA Surface, 1.5 Inch 348 SFT @ $_________ = $____________

36. Detectable Warning Surface, 2 ft. Wide 70 LFT @ $_________ = $____________

37. Evergreen Tree, 8�-10� 8 EA @ $__________ = $____________

38. Deciduous Shrub, 30�-36�, B&B 13 EA @ $__________ = $____________

39. Upright Evergreen Shrub, 4�-6� B&B 18 EA @ $__________ = $____________

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40. Turf Restoration, Seed and Straw Mulch, 2841 SYD @ $_________ = $____________ Inc. 2-inch Topsoil

41. Hardwood Bark Mulch, 4 Inch 350 SYD @ $_________ = $____________

42. RCOC Permit Allowance 1 LS @ $ 6,000.00 = $

43. Observation Crew Days ___ days @ $ 800.00 = $

DIVISION A � SUBTOTAL = $____________

AS-NEED CONTRACT UNITS (Not specified on drawing)

44. Mailbox Relocate 1 EA @ $__________ = $____________

45. Remove Stump, Greater than 8 Inch Dia. 1 EA @ $__________ = $____________

46. Structure Adjustment (>6�, up to 24�) 1 EA @ $__________ = $____________

47. Structure, Cover, Repl. 1 EA @ $_________ = $____________

48. Aggregate Base, 10 Inch, MDOT 21AA 150 SYD @ $__________ = $____________

49. Concrete Spillway 1 EA @ $__________ = $____________

50. Culv, RCP End Sect, 12 Inch 1 EA @ $__________ = $____________

51. Culv, CMP, 12 Inch 50 LFT @ $__________ = $____________

52. Culv, CMP End Sect, 12 Inch 2 EA @ $__________ = $____________

53. HMA 4EML Course, RCOC 5 TON @ $__________ = $____________

54. HMA 3EML Course, RCOC 5 TON @ $__________ = $____________

55. Deciduous Tree, 3� cal. 10 EA @ $__________ = $____________

56. Decorative Stone Mulch, w. Fabric 250 SYD @ $__________ = $____________

57. Groundcover Restoration, Match Ex. Plant Mat. 250 SYD @ $__________ = $____________

AS-NEEDED CONTRACT UNITS � SUBTOTAL = $

TOTAL AMOUNT OF BID (Division A & As-needed Contract Units) $_________________

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ALTERNATES

Voluntary Alternates proposed by the Bidder will not be considered. The Bidder shall submit a bid based on the information shown on the Drawings and Specifications.

The Owner, at its sole discretion, reserves the right to award to the Bidder who, in the sole determination of the Owner, will best serve the interest of the Owner. The Owner reserves the right to accept any bid, to reject any or all bids, to waive any and all informalities involving price, time, or changes in the work, and to negotiate contract terms with the successful Bidder, and the right to disregard all nonconforming, nonresponsive, unbalanced or conditional bids. However, it is the intention of the Owner to award to the low total bid to one bidder. Also, the Owner reserves the right to reject the bid of any Bidder if the Owner believes that it would not be in the best interest of the Project to make an award to that Bidder, whether because the bid is not responsive or the Bidder is unqualified, of doubtful financial ability, or fails to meet any other pertinent standard or criteria established by the Owner.

Each bidder agrees to waive any claim it has or may have against the Owner, the Architect/Engineer, and their respective employees, arising out of or in connection with the administration, evaluation, or recommendation of any bid.

Each Proposal must be accompanied by a bid deposit in the form of a certified check, cashier's check or bid bond, executed by the bidder and Surety Company, payable to the CHARTER TOWNSHIP OF BLOOMFIELD in the amount of FIVE Percent (5%) of the amount of the Proposal. See Instructions to Bidders � Bid Deposit for more information.

TAXES

The Bidder affirms that all applicable Federal, State and Local taxes of whatever character and description are included in all prices stated in this Form of Proposal.

ADDENDA

The Bidder acknowledges the following Addenda, covering revisions to the drawings or specifications and the cost, if any, of such revision has been included in the quoted proposal:

Addendum No.____________________________ Dated________________________

Addendum No.____________________________ Dated________________________

Addendum No.____________________________ Dated________________________

FEES

The Bidder shall refer to the General Conditions for allowable Fees for additional work performed, upon Owner�s written authorization, by Bidder�s own forces and/or for additional work, upon Owner�s written authorization, by Bidder�s subcontractors.

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TIME OF COMPLETION

If awarded the Contract for the 2024 SAFETY PATH PROGRAM, we agree to have all work substantially completed by the following dates:

Substantial Completion Final Completion

W Maple Road September 26, 2025 October 31, 2025

Substantial Completion is defined that the facility is ready to use for its intended purpose with all utility systems fully functional. For the safety path and sidewalk repair work, substantial completion includes having the safety path open to traffic, forms removed, backfill placed, and topsoil, seed and mulch installed. Final Completion is completing all restoration, clean-up and punch-list.

The Bidder hereby agrees to furnish the required Bonds, Insurance Certificates, and Policies within ten (10) days after acceptance of this Proposal. The execution of all work and specific constraints as described in the contract drawings and specifications, with particular reference to Section 01010 Special Project

Requirements, must be strictly adhered to.

LIQUIDATED DAMAGES

Time is of the essence for completion of this project in order to have the Project ready for the Township of Bloomfield. The Bidder guarantees that the work will be completed within the time limit stated herein before or within the time as extended as provided elsewhere in the Specifications. Inasmuch as the damage and loss to the Owner which will result from the failure of the Bidder to complete the work within the stipulated time, will be most difficult or impossible to accurately determine, it is mutually agreed that the damages to the Owner for such delay and failure on the part of the Bidder shall be liquidated in the amount of FIVE HUNDRED Dollars ($500.00), for each and every calendar day by which the Bidder shall fail to complete the work or any part thereof within the provisions hereof, and such liquidated damages shall not be considered as a penalty.

The Owner will deduct and retain out of any money due or to become due hereunder the amount of the liquidated damages, and in case those amounts are less than the amount of actual liquidated damages, the Bidder shall pay the difference upon demand of the Owner.

We understand that liquidated damages may be assessed should we fail to meet the stipulated completion dates. Specifically, liquidated damages will be assessed daily beginning September 26, 2025, until such a time that Substantial Completion is achieved and further if all work is not completed by the Final Completion Date.

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BIDS TO REMAIN FIRM

The price stated in this Proposal shall be guaranteed for a period of not less than sixty (60) days from the bid due date and if authorized to proceed within that period, the bidder agrees to complete the work covered by the Proposal at said price.

If this Proposal is accepted by the Owner and the undersigned shall fail to contract as aforesaid and to furnish the required surety bonds within fifteen (15) days after being notified of the acceptance of their bid, then the undersigned shall be considered to have abandoned the contract, and the Certified Check, Cashier�s Check or Bid Bond accompanying this Proposal shall be forfeited to the Township of Bloomfield.

If the undersigned enters into the contract in accordance with their proposal, or if their proposal is not accepted, then the accompanying bid guarantee shall be returned to the undersigned.

Company Name:

Signature: Title:

Address:

County: State:

Telephone No.: Fax No.:

Email Address:

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LEGAL STATUS OF BIDDER

This Bid is submittal in the name of:

(Print)

The undersigned hereby designates below the business address to which all notices, directions or other communications may be served or mailed:

Street

City

State Zip Code

The undersigned hereby declares the legal status checked below:

( ) INDIVIDUAL

( ) INDIVIDUAL DOING BUSINESS UNDER AN ASSUMED NAME

( ) CO-PARTNERSHIP

The Assumed Name of the Co-Partnership is registered in the County of , Michigan

( ) CORPORATION INCORPORATED UNDER THE LAWS OF THE STATE OF

. The Corporation is

( ) LICENSED TO DO BUSINESS IN MICHIGAN

( ) NOT NOW LICENSED TO DO BUSINESS IN MICHIGAN

The name, titles, and home addresses of all persons who are officers or partners in the organization are as follows:

A corporation duly organized and doing business under the laws of the State of

NAME AND TITLE HOME ADDRESS

Signed and Sealed this day of , 20__.

By (Signature)

Printed Name of Signer

Title

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BID BOND

We, the undersigned, As Principal, hereinafter called the Principal, and

A corporation duly organized under the laws of the State of

As surety, hereinafter called the SURETY, are held and firmly bound unto:

The Owner: ___________________________________________________________________________________ in the sum of Dollars ($ ), For the payment of which sum well and truly to be made, the said Principal and the said Surety, bind ourselves, our heirs, executors, administrators, successors and assigns, jointly and severally, firmly by these presents.

WHEREAS, the Principal has submitted a bid for

NOW, THEREFORE, if the OWNER shall accept the bid of the Principal and the Principal shall enter into a contract with the OWNER in accordance with the terms of such bid, and give such bond or bonds as may be specified in the

CONTRACT DOCUMENTS with good and sufficient surety for the faithful performance of such contract and for the prompt payment of labor and material furnished in the prosecution thereof, or in the event of the failure of the Principal to enter such contract and give such bond or bonds, if the Principal shall pay to the OWNER the difference not to exceed the penalty hereof between the amount specified in said bid and such larger amount for which the OWNER may in good faith contract with another party to perform the work covered by said bid, then the obligation of the Principal shall be null and void, otherwise to remain in full force and effect.

Signed and sealed this day of , 20

(Witness) (Principal) (Seal)

(Title)

(Witness) (Surety)

(Title)

END OF SECTION

CHARTER TOWNSHIP OF BLOOMFIELD HOT MIXED ASPHALT PAVEMENT

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SECTION 02511

HOT MIXED ASPHALT PAVEMENT

PART 1 GENERAL

1.1 SUMMARY

A. This Section shall include all work, materials, labor, and equipment necessary to furnish and install Hot Mix Asphalt (HMA) on a prepared base to the line, grade, thickness, and cross-section in accordance with these specifications and drawings.

B. Related Requirements:

1. Section 02223 � Safety Path Grading

2. Section 02530 � Concrete Curb and Gutter

3. Section 02539 � Special Provisions Cold Milling HMA Surfaces

4. Section 02540 � Sidewalk, Safety Path Paving

1.2 MEASUREMENT AND PAYMENT

A. Saw Cutting Pvmt, Full Depth (LFT)

The Owner will pay for the amount of Saw Cutting as specified in the drawings, according to MDOT 501.03, as measured in linear feet. The quantity of Saw Cutting will be measured in place by the Owner after saw cutting is complete.

B. Pavement Removal, Full Depth (SYD)

The Owner will pay for the amount of Pavement Removal as specified in the drawings..

The quantity of Pavement Removals will be measured in place by the Owner after removals are complete.

C. HMA 5EML Course (TON)

The Owner will pay for the amount of HMA specified based on the weight placed, as supported by the weigh tickets supplied by the Contractor, and by the quality assurance yield calculations and mat thickness depth checks conducted by the Owner. HMA, (5EML) will be paid for at the contract unit price per ton bid as called for in the Contract

Documents.

D. HMA 4EML (TON)

The Owner will pay for the amount of HMA specified based on the weight placed, as supported by the weigh tickets supplied by the Contractor, and by the quality assurance yield calculations and mat thickness depth checks conducted by the Owner. HMA, (4EML) will be paid for at the contract unit price per ton bid as called for in the Contract

Documents.

E. HMA 3EML (TON)

The Owner will pay for the amount of HMA specified based on the weight placed, as supported by the weigh tickets supplied by the Contractor, and by the quality assurance yield calculations and mat thickness depth checks conducted by the Owner. HMA, HOT MIXED ASPHALT PAVEMENT CHARTER TOWNSHIP OF BLOOMFIELD

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(3EML) will be paid for at the contract unit price per ton bid as called for in the Contract

Documents.

F. Aggregate Base, 4 inch, MDOT 21AA (SYD)

The Owner will pay for the amount of aggregate base specified based on the area placed, as measured in square yards. The quantity of aggregate base will be measured in place by the

Owner after placement, compaction, and depth have been verified by the Owner.

G. Aggregate Base, 6 inch, MDOT 21AA (SYD)

The Owner will pay for the amount of aggregate base specified based on the area placed, as measured in square yards. The quantity of aggregate base will be measured in place by the

Owner after placement, compaction, and depth have been verified by the Owner.

H. Aggregate Base, 10 inch, MDOT 21AA (SYD)

The Owner will pay for the amount of aggregate base specified based on the area placed, as measured in square yards. The quantity of aggregate base will be measured in place by the

Owner after placement, compaction, and depth have been verified by the Owner.

I. Bond coat payment shall be included in the payment of HMA, Ton or HMA, Square Yard.

J. Reductions to final pay amounts can be made for non-conforming work and HMA installation outside acceptable tolerances, as provided for in Section 3.6.

1.3 REFERENCES

A. Abbreviations and Acronyms

1. ASTM - American Society for Testing Materials

2. HMA � Hot Mix Asphalt

3. MDOT - Michigan Department of Transportation.

4. MIOSHA � Michigan Occupational Safety and Health Act

5. MMUTCD � Michigan Manual of Uniform Traffic Control Devices

6. JMF � Job Mix Formula

7. RAP � Reclaimed Asphalt Pavement

B. Definitions

1. Aggregate Correction Factor-The value applied to the test results of an Ignition

Furnace to correct for the aggregate and the oven being used.

2. Final Binder Grade � the resultant performance grade of the HMA binder from the combination of virgin binder and RAP binder.

3. Subgrade � Portion of the earth grade upon which the pavement structure is placed.

4. Subbase � Layer of granular material placed on the subgrade as a part of the pavement structure.

5. Open Graded Drainage Course � Layer of specified open-graded aggregate material placed on the subgrade as part of the pavement structure.

6. Aggregate Base � Layer of dense graded aggregate material placed on a subgrade, subbase or open graded drainage course as part of the pavement structure.

7. HMA base course � Layer below the leveling course for pavements in which there are three specified layers.

8. HMA leveling course - Layer below the top course for pavements in which there are two or three specified layers.

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9. HMA top course � Layer that forms the pavement surface.

10. HMA patch � an HMA repair of a small, localized defect in the pavement surface either as planned or as created by defective material that needs to be removed or replaced.

C. Where referenced, �MDOT Specifications� is a general term that shall include the current version of the MDOT Standard Specifications for Construction and all Supplemental

Specifications, Special Provisions, and Errata existing at the time of the award of the

Contract.

D. MDOT manuals that are referenced specifically by name shall be the current versions of said manuals existing at the time of the award of the Contract.

1.4 PREPRODUCTION MEETING

A. The Owner reserves the right to schedule a pre-production meeting. The pre-production meeting will be held a minimum of 7 calendar days prior to the start of HMA production and placement. The Owner will provide written notification to all parties a minimum of 14 calendar days prior to the meeting. Items of discussion shall include, but not be limited to:

1. Project safety.

2. Project mixture and testing Special Provisions.

3. Job Mix Formula.

4. HMA sampling and testing requirements and procedures.

5. Provision of Aggregates for Aggregate Correction Factor

6. Sequence of operations.

7. HMA placement methods.

8. The Contractor�s HMA-QC Plan.

9. The roles and responsibilities of all parties involved in the work.

10. HMA acceptance criteria.

11. Project documentation.

1.5 SUBMITTALS

A. Bond Coat supplier and manufacturer data that includes test results for the properties indicated in the Tables titled �Anionic (Cationic) Emulsified Asphalts� in the MDOT

Specifications.

B. Job Mix Formulas

1. Shall include all the information listed in Table 1-1 for each JMF.

2. Shall be submitted for review:

a. At least fourteen (14) calendar days prior to a Pre-Production Meeting if one is conducted.

b. At least fourteen (14) calendar days prior to the first placement of the asphalt if a Pre-Production Meeting is not conducted.

3. New and /or updated Job Mix Formula(s) are required if the asphalt work extends beyond the calendar year in which the work began.

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1.6 QUALITY CONTROL

A. Quality control of all materials used on the project and methods of installation shall be the responsibility of the Contractor. The Owner retains the right to perform random independent testing for the Owner�s assurance the project is compliant at his tested locations however contract compliance remains the responsibility of the Contractor.

B. It shall be the responsibility of the Contractor to correct or suspend operations, if necessary, when the work is not in compliance with these specifications.

1.7 QUALITY ASSURANCE

A. The Owner will inspect, sample, test and evaluate the HMA for compliance to these specifications for the following:

1. Delivery and Placement Temperature

a. The Owner will make periodic checks for temperature using a calibrated thermometer or temperature gun at locations within the truck, paver hopper or within the mat at the discretion of the Owner.

b. Refer to Section 3.5.A and Table 3-1 for allowable temperature ranges.

2. Layer Thickness and Yield

a. The Owner will conduct periodic mat thickness depth checks and yield calculations during placement of the HMA material.

b. Lower layers of HMA base course are to be constructed to a tolerance of ±

¾ inch and final layers of base course constructed to a tolerance of ± 3/8 inch.

c. HMA leveling course is to be constructed to a tolerance of ±¼ inch.

d. HMA top course is to be constructed to a tolerance of ±1/8 inch.

e. The cumulative pavement thickness shall be at least the planned thickness and not be more than ¼ inch greater than the planned thickness.

f. The pavement thickness of a single course pavement shall be at least the planned thickness and not be more than ¼ inch greater than the planned thickness.

3. Joint Quality: The Owner shall visually inspect the joint configuration and placement for tightness, smoothness and alignment to evaluate conformance to the requirements stated in PART 3, Sections 3.5 B.5 and 3.5 C.3.

4. Surface Texture (segregation)

a. The Owner shall visually inspect the surface texture to evaluate conformance to the requirements of PART 3, Section 3.5 B.6.

b. Areas that visually appear to be segregated shall be evaluated by the

Owner by taking a set of 6 to 15 tests with a nuclear density gauge in both the visually segregated area and in an adjacent non-segregated area with the mean value of density of the two areas compared using the MDOT

BITSEG2 computer program.

c. HMA that generates an output from the MDOT BITSEG2 program of

�Remove and Replace, take corrective action� or �take corrective action� shall be conserved to be segregated.

5. Surface Texture (foreign material)

a. The Owner shall visually inspect the surface for the occurrence of foreign material or deformities in the HMA.

6. Surface Smoothness:

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a. The Owner shall visually inspect and make measurements to evaluate conformance to the requirements of Article 3.5 B.6 and Article 3.5.C.5.

7. Density

a. HMA base, leveling and top course placed for both main line and hand patching shall be compacted to a minimum of 92.0% and a maximum of

96.0% of the density calculated from the theoretical maximum specific gravity (Gmm) indicated on the Owner-reviewed JMF for the mixture.

b. The compaction percentage shall be determined by a calibrated nuclear density gauge.

c. The compaction percentage may be determined by 6 inch diameter cores

(using dried back weights) at the discretion of the Owner.

8. Longitudinal Joint Density

a. Longitudinal Joints in HMA base, leveling and top course shall be constructed so that the density of the joint is a minimum of 85.0% of the density calculated from the theoretical maximum specific gravity (Gmm) indicated on the Owner-reviewed JMF for the mixture.

b. The compaction percentage shall be determined by a calibrated nuclear density gauge centered on the line where the joint between the two adjacent lifts abut at the surface.

c. Cores will not be permitted to establish the density and compaction % of longitudinal joints in HMA base, leveling or top course.

9. Unsupported Edges

a. The Owner shall inspect the Unsupported Edges of the HMA for compliance to these specifications within the planned pavement surface width.

10. Mixture Properties

a. The Owner shall obtain samples of the hot mixture from the plant and test the mixture to evaluate compliance to the Owner-reviewed JMF.

1) A single sample shall be obtained from each day�s placement for each mixture type being placed that is under 100 tons.

2) Two samples shall be obtained from each day�s placement for each mixture type being placed that exceeds 100 tons.

b. For testing that requires the extraction of the asphalt binder from the sample(s):

1) The Owner may perform the extraction using either Vacuum or

Ignition Furnace methods.

2) Should the Ignition Furnace method be selected, the Contractor shall provide the Owner with the appropriate aggregate samples needed to determine the Aggregate Correction Factor for each mixture tested.

c. The tested mixture properties during production shall be within the

Acceptance Limits from the target values on the Owner-reviewed JMF are indicated in Table 3-4.

B. Testing Agencies: The Owner may employ an independent testing agency for as-directed testing for in place density and mixture properties.

C. Destructive Testing: Destructive testing may be necessary during the term of the Contract to confirm that the acceptance test results are out of specification. The contractor shall be solely responsible for all costs incurred to perform destructive testing, including but not

02511 / 6 2025 SAFETY PATH PROGRAM

ADDENDUM #1 Hubbell, Roth & Clark, Inc.

Job 20240038

Y D e s i g n F i n a l B i d d i n g A d d e n d u m W o r k i n g D o c s H o t M i x e d A s p h a l t P a v e m e n t R w j w A limited to the costs related to the testing of the areas suspected of failing to meet the contract requirements in a means acceptable to the Owner, to retain experts to direct the method of testing, oversee the testing, and assist in the resolution of the deficient areas solely at the contractor�s expense. Should the destructive testing results provide supplemental information that the areas being tested were in compliance with the Contract requirements; the Contractor shall be compensated for the costs incurred in a method mutually selected by the Owner and the Contractor from Section 00700 � General

Conditions.

PART 2 PRODUCTS

2.1 BOND COAT

A. Shall meet the requirements of type SS-1h as specified in the table Titled �Anionic

Emulsified Asphalts� or type CSS-1h as specified in the table Titled �Cationic Emulsified

Asphalts� in the current version of the MDOT Specifications.

2.2 HMA MIXTURES

A. Mixing Plants

1. Shall meet the current requirements by MDOT or appropriate state agency.

B. Composition of Mixture

1. Provide the HMA mix type and the performance grade of asphalt binder as shown on the project plans and as described on the Owner-reviewed JMF.

2. Aggregates

a. Shall be natural aggregates, iron blast furnace slag, reverberatory blast furnace slag or steel furnace slag.

b. Gradation shall be within the range for each sieve size as indicated Table

2-1.

c. Physical Requirements shall be as indicated in Table 2-2.

d. The minimum Aggregate Wear Index (AWI) for aggregates used in HMA

Top Course mixtures shall be 250, unless otherwise specified.

e. The Owner reserves the right to request test results for and/or sample and test aggregates used in HMA Mixtures to establish compliance to these requirements prior to or during the production of HMA mixtures.

3. Binder

a. Shall comply with the requirements indicated in Table 2-3.

b. Shall be from a supplier listed on the MDOT �Asphalt Binder Suppliers

List� existing at the time of the contract award:

c. The Owner reserves the right to request test results for and/or sample and test binders used in HMA Mixtures to establish compliance to these requirements prior to or during production of HMA mixtures.

4. Mineral Filler

a. Shall be 3MF mineral filler consisting of limestone dust, dolomite dust, fly ash collected by an electrostatic precipitation method, slag, or hydrated lime.

b. Shall have a gradation with 100 percent passing the No. 30 sieve and 75 to

100 percent passing the No. 200 sieve.

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c. Free carbon content of the fly ash sample shall not exceed 12 percent by weight as measured by the loss on ignition tests in accordance with ASTM

C311.

C. Mix Design Criteria and Volumetric Properties shall meet the requirements indicated in

Table 2-4.

D. Substitution of Reclaimed Asphalt Pavement (RAP) Substitution for virgin binder is permitted as follows, unless otherwise indicated on the project plans:

1. 0% to 17% RAP binder, by weight of the total binder for HMA topping.

2. 18% to 27% of RAP binder, by weight of the total binder for HMA leveling and base course.

3. A binder blending chart shall be provided to show that the combination of virgin binder and RAP binder meets the specified Final Binder Grade.

2.3 PAVING EQUIPMENT

A. Paving equipment shall be in good working order and capable of constructing HMA pavement in accordance with the specifications. Should the HMA paving indicate that an equipment problem is causing the construction to be out of specification, the Owner has the right to request the equipment be repaired or replaced.

B. If maintaining traffic in the work area during construction, all self-propelled equipment within the construction influence area shall be with all safety devices as required by

MIOSHA, MMUTCD, MDOT, or the local any governmental agencies within the construction influence area.

PART 3 EXECUTION

3.1 EXAMINATIONS

A. Each layer of HMA shall not be placed until the surface upon which it is to be placed has been inspected by the Contractor immediately prior to continuing construction.

B. The Owner provides independent testing at random locations to assist in determining the conditions at the point the test is performed, but the Contractor shall remain solely responsible for compliance to the contract provisions throughout the entire project area.

3.2 PREPARATION OF SURFACES

A. Subgrade

1. Prepare subgrade in accordance with Section 2200 and Section 2214 of the

Specifications.

2. Grade subgrade to within one-half inch in ten feet of the design grade.

3. Compact the subgrade, to a depth of not less than nine inches, to not less than 95% of the maximum unit weight as determined by the method described in the MDOT

Density Testing and Inspection Manual appropriate for the subgrade material.

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ADDENDUM #1 Hubbell, Roth & Clark, Inc.

Job 20240038

Y D e s i g n F i n a l B i d d i n g A d d e n d u m W o r k i n g D o c s H o t M i x e d A s p h a l t P a v e m e n t R w j w A

4. Proof roll all subgrade using rubber-tired equipment of sufficient size and weight, as determined by the Engineer, to identify any soft or yielding soils that require improvement.

5. Complete any improvements needed to the subgrade using the specified materials and to the limits as directed by the Owner.

B. Subbase

1. Grade the subbase to within three-eighths of an inch in ten feet of the design grade.

2. Compact the subbase to not less than 97% of the maximum unit weight as determined by the method in the MDOT Density Testing and Inspection Manual appropriate for the subbase material.

C. Open Graded Drainage Course: Grade and compact the open graded drainage course to the design grade so that the finish surface is smooth and uniform in appearance without, depressions, ruts or ridges.

D. Aggregate Base

1. Place the aggregate base to the line and grade as shown on the contact documents to within a tolerance of +/- 3/8 inch, unless otherwise specified.

2. Compact the aggregate base to not less than 98% of the maximum unit weight as determined by the method in the MDOT Density Testing and Inspection Manual appropriate for the aggregate base material.

E. Existing Pavement Surfaces

1. An existing pavement surface may include a newly placed layer of pavement, the surface of an existing pavement without modification, or the existing pavement that has been removed in part with the use of a cold milling machine or by other means acceptable to the Owner.

2. Adjust all structures to finished grade prior to placement of HMA top course, matching both the design longitudinal and transverse cross slopes.

3. Remove existing cold patch.

4. Remove existing joint sealants to a depth of up to one inch, vegetation, or such dirt and debris from transverse and longitudinal joints and from cracks by mechanical or hand methods.

5. Thoroughly clean the surface of the pavement and paved shoulders of all dirt and debris. All cracks and joints shall be blown with compressed air to remove any loose material. A self-contained vacuum sweeper shall be used to pick up all loose material.

6. Full Depth Patch Removal: Remove full depth existing patches, when directed by the Owner, by providing a full depth saw cut around the area to be removed and remove existing materials and dispose of off-site.

7. Hand Patching

a. Fill in holes and depression and replace full depth existing patches and joint repairs when directed by the Owner using the HMA mixture specified in the contract documents. Compact the full depth hand patching material in layers no greater than 3 inches to the adjacent pavement grade by the use of a roller or by vibratory plate compactors or other means acceptable to the Owner for areas not accessible to a roller.

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b. The Contractor shall use an HMA top course material acceptable to the

Owner. HMA mixtures 2C, 11A, and 700B shall not be permitted for hand patching.

F. Other Surfaces: Where included in the design pavement cross-section on the Contract

Drawings, HMA pavement may be placed on other surfaces for certain road rehabilitation projects, which may include cold milling, and pulverized or rubblized HMA or concrete pavement. For these projects, special provisions or specifications are included in the

Contract Documents detailing the requirements for preparation of those surfaces.

3.3 BOND COAT

A. Uniformly apply bond coat to the surfaces against which new HMA is to be placed with a pressure distributor.

B. The surfaces against which new HMA is to be placed shall be clean and dry. Contact surfaces that have become coated with dust, sand, or other objectionable material shall be cleaned by brushing, blowing with compressed air, or cut back with a power saw or other mechanical means to achieve a smooth clean edge, as directed by the Owner.

C. The bond coat shall be applied far enough in advance of placement of the fresh mixture to insure adequate curing. Reapplication of the bond coat may be required at the direction of the Engineer if it becomes contaminated prior to placement of the HMA mixture.

D. At no time shall bond coat be applied to the vertical face of concrete curb and gutter or monolithically poured face curb.

3.4 TRANSPORTATION OF MIXTURES

A. Each load of HMA mixture delivered to the project shall be weighed to the nearest 20 pounds on a certified scale having an automatic print out system.

B. Trucks used for hauling HMA mixtures shall have tight, clean, smooth beds and shall be adequately covered to protect from the weather and foreign objects.

C. Trucks used to haul HMA mixtures when the air temperature is below 50 degrees F. shall be insulated. The insulation shall be continuous along the bottom and four sidewalls.

D. A release agent, as permitted by the Owner shall be applied to the hauling units with atomizing spray equipment. Excessive use of release agent will be cause for rejection of the load.

3.5 INSTALLATION

A. Weather Limitations

1. Do not place HMA when the temperature of the surface being paved is less than 35

Degrees F.

2. For temperatures of the surface being overlaid between 35 Degrees F and 49

Degrees F, follow the restrictions on lift sizes indicated in Table 3-1.

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ADDENDUM #1 Hubbell, Roth & Clark, Inc.

Job 20240038

Y D e s i g n F i n a l B i d d i n g A d d e n d u m W o r k i n g D o c s H o t M i x e d A s p h a l t P a v e m e n t R w j w A

B. Placing HMA Mixtures

1. Pavers

a. HMA shall be placed by a self-propelled mechanical paver to such a depth that when compacted it will have the thickness specified or as directed by the Owner. The mixture shall be dumped into the center of the hopper and care shall be exercised to avoid overloading the paver and spilling the mixture.

b. Pavers will be required to have an automatically controlled and activated screed and strike off assembly except when placing HMA mixtures for:

1) Variable width sections.

2) The first course of an HMA base course mixture on a subgrade, subbase or aggregate base.

3) HMA base course mixtures for shoulders and widening less than

10.5 feet in width or as directed by the Owner.

2. HMA Shoulders: Shoulder widths within the tolerance of the equipment shall be placed with the main line HMA Top Course mixture. Shoulder widths exceeding the capabilities of the equipment shall be placed with an acceptable paver as directed by the Owner.

3. HMA Wedging

a. When necessary to take out irregularities in the existing road surface, wedging with HMA mixture shall be done by placing several layers with the paver.

b. The nominal maximum aggregate size for the material used shall not exceed ¾ inch and the maximum lift thickness shall be 2 inches. HMA

Mixtures 2C, 11A and 700B will not be permitted for wedging.

c. Any corrections made by wedging with HMA mixture shall be placed, compacted, and allowed to cool prior to placing leveling, or top course mixtures. If the surface temperature of the wedging material falls below

150° F then a bond coat shall be applied prior to placement of the next layer of pavement.

4. HMA Lift Thickness

a. Place HMA in lift thickness that are within the application rates in Table

3-2.

b. When the planned lift thickness exceeds 2 inches for HMA top course mixtures and 2 ½ inches for HMA leveling course mixtures, the pavement shall be constructed in two or more courses, unless otherwise specified in the contract documents.

5. HMA Joints

a. When placing the HMA top course, or the top 2 courses of multi-level pavement on the traveled portion of the roadway, the paving operation shall be conducted in a combination of widths which will cause the final course longitudinal joint lines to coincide with the proposed painted lane lines.

b. In placing HMA mixture adjacent to all joints, hand raking or brooming will be required to provide a dense smooth connection.

c. All joints shall have the same texture and smoothness as other sections of the layer.

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d. The interface between the HMA mixture and concrete surfaces shall be full depth saw cut to a minimum width of ¼ inch and sealed with a hot poured rubber sealant.

e. Transverse Joints

1) The roller shall pass over the unprotected end of freshly placed mixture only when placing of the layer is discontinued or when delivery of the HMA mixture is interrupted.

2) In all cases, the edge of the previously placed layer shall be cut back to expose a clean, even, vertical surface for its full thickness.

3) In continuing placement of a strip, the mechanical hot mixture will be spread to obtain a joint after rolling which conforms to the required density and smoothness specified.

f. Longitudinal Joints

1) Longitudinal joints shall be vertically aligned to be within 1 inch of the underlying course and aligned with the final pavement markings.

2) Inclusion of pay items for �HMA Longitudinal Joint � ft� and/or

�HMA Plane of Weakness Joint � ft.� indicates that longitudinal and /or plane of weakness joints in the HMA top course shall be saw cut and sealed with hot poured rubber sealant, as shown in the project plans.

3) Edges of previously placed strips that have cooled or are irregular, honeycombed, poorly compacted, damaged, or otherwise defective, and unsatisfactory sections of the joint shall be cut back to expose a clean, sound, vertical surface for the full thickness of the course as directed by the Owner.

4) When placing HMA over a concrete pavement, the longitudinal joints shall align with the joints in the concrete pavement. It shall be the responsibility of the contractor to provide the precise location of the existing longitudinal joints prior to placement of the HMA. In no case shall the variance between the underlying longitudinal joints and the HMA longitudinal joints exceed 1 inch.

The longitudinal joints in the HMA shall be saw cut and sealed with hot poured rubber sealant.

g. When the temperature of a previously placed HMA mixture mat falls below 170 degrees F,

1) The edges of the previously placed HMA mixture mat shall be coated with bond coat material.

2) The adjacent HMA shall not be placed until the bond coat has

�broken�.

6. HMA Surface.

a. A sufficient number of experienced shovelers and rakers shall follow the machine, adding hot HMA mixture and raking the HMA mixture as required to produce a course that, when completed, will conform to all requirements specified herein.