Intersection Modifications at North Roxboro Street and Avondale Drive Rebid.pdf

CITY OF DURHAM NORTH CAROLINA

DEPARTMENT OF TRANSPORTATION

September 1, 2026

NOTICE TO PROSPECTIVE BIDDERS

SUBJECT: Invitation for Bid

DESCRIPTION: [Re-advertisement] Intersection Modifications at North

Roxboro Street and Avondale Drive

Overview The City of Durham Department of Transportation is requesting bids for the project described above. This project consists of access management measures and a signal upgrade at a single intersection in the City of Durham, NC. Secondary work includes sidewalk reconstruction and a mill and fill. This project shall conform to the North Carolina Department of Transportation Standard Specifications for Roads and Structures, January 2024 and any addendum.

The completion date is 150 calendar days after receiving notice to proceed. Liquidated damages for this project are $600.00 per calendar day for failure to complete this project by the completion date.

Project-Specific Details A presubmittal meeting will be held for this project on September 10 at 2:00pm. The meeting will be held via Microsoft Teams. Email Jonathan Brown (jonathan.brown@durhamnc.gov) at least 24 hours in advance for the meeting link.

Submittal Sealed bids must be received in the Transportation Department (4th Floor) at 101 City

Hall Plaza, Durham, NC 27701 by 2:00pm on September 22, 2026. Bids must be submitted on the bid sheet included in the proposal and display the following statement on the front of the envelope:

mailto:jonathan.brown@durhamnc.gov

“QUOTATION FOR INTERSECTION MODIFICATIONS AT NORTH ROXBORO STREET AND

AVONDALE DRIVE”

THE BID PACKET CAN BE OBTAINED ON SEPTEMBER 1, 2026 AT THE CITY OF DURHAM

TRANSPORTATION DEPARTMENT.

The City of Durham Department of Transportation, in accordance with the provisions of Title VI of the Civil Rights Act of 1964 (78 Stat.252) and the Regulations of the North Carolina Department of Transportation (49 C.F.R., Part 21), issued pursuant to such act, hereby notifies all bidders that it will affirmatively insure that the contract entered into pursuant to this notice will be awarded to the lowest responsible bidder without discrimination on the grounds of sex, race, color or national origin.

If you have any questions or need additional information concerning this project, please contact me in writing at Jonathan.Brown@durhamnc.gov.

Sincerely, Jonathan Brown

Jonathan Brown, PE Senior Engineer mailto:Jonathan.Brown@durhamnc.gov

CONTRACT PROPOSAL

FUNDING: City Funding PROJECT: [Re-advertisement] Intersection Modifications at North Roxboro Street and

Avondale Drive COUNTY: Durham DESCRIPTION: Access Management and Signal Changes BID OPENING: September 22, 2026 at 2:00PM

NOTICE:

ALL BIDDERS SHALL COMPLY WITH ALL APPLICABLE LAWS REGULATING THE PRACTICE OF

GENERAL CONTRACTING AS CONTAINED IN CHAPTER 87 OF THE GENERAL STATUTES OF NORTH

CAROLINA WHICH REQUIRES THE BIDDER TO BE LICENSED BY THE N.C. LICENSING BOARD FOR

CONTRACTORS WHEN BIDDING ON ANY NON-FEDERAL AID PROJECT WHERE THE BID IS $50,000

OR MORE, EXCEPT FOR CERTAIN SPECIALTY WORK AS DETERMINED BY THE LICENSING BOARD OR

SBE PROJECT. BIDDERS SHALL ALSO COMPLY WITH ALL OTHER APPLICABLE LAWS REGULATING

THE PRACTICES OF ELECTRICAL, PLUMBING, HEATING AND AIR CONDITIONING AND

REFRIGERATION CONTRACTING AS CONTAINED IN CHAPTER 87 OF THE GENERAL STATUTES OF

NORTH CAROLINA.

THIS PROJECT IS CONSIDERED SPECIALTY WORK. THE CITY OF DURHAM DOES NOT REQUIRE A

GENERAL CONTRACTOR’S LICENSE TO BID ON THE SUBJECT PROJECT.

NAME OF BIDDER N.C. CONTRACTOR’S LICENSE NUMBER

ADDRESS OF BIDDER

RETURN BIDS TO: City of Durham Transportation Department Attention: Jonathan Brown, PE 101 City Hall Plaza (4th Floor) Durham, NC 27701

INSTRUCTIONS TO BIDDERS

PLEASE READ ALL THE INSTRUCTIONS CAREFULLY BEFORE PREPARING AND SUBMITTING

YOUR BID.

All bids shall be prepared and submitted in accordance with the following requirements. Failure to comply with any requirement shall cause the bid to be considered irregular and shall be grounds for rejection of the bid.

1. The bid sheet furnished by Durham DOT with the proposal shall be used and shall not be altered in any manner. DO

NOT SEPARATE THE BID SHEET FROM THE PROPOSAL!

2. All entries on the bid sheet, including signatures, shall be typed or written in ink.

3. The Bidder shall submit a unit price for every item on the bid form. The unit prices for the various contract items shall be written in figures.

4. An amount bid shall be entered on the bid sheet for every item. The amount bid for each item shall be determined by multiplying each unit bid by the quantity for that item, and shall be written in figures in the "Amount Bid" column of the sheet.

5. The total amount bid shall be written in figures in the proper place on the bid sheet. The total amount shall be determined by adding the amounts bid for each item.

6. Changes in any entry shall be made by marking through the entry in ink and making the correct entry adjacent thereto in ink. A representative of the Bidder shall initial the change in ink.

7. The bid shall be properly executed. All bids shall show the following information:

a. Name of individual, firm, corporation, partnership, or joint venture submitting bid.

b. Name and signature of individual or representative submitting bid and position or title.

c. Name, signature, and position or title of witness.

d. Federal Identification Number (or Social Security Number of Individual)

e. Contractor's License Number (if Applicable)

8. Bids submitted by corporations shall bear the seal of the corporation.

9. The bid shall not contain any unauthorized additions, deletions, or conditional bids.

10. The bidder shall not add any provision reserving the right to accept or reject an award, or to enter into a contract pursuant to an award.

11. THE PROPOSAL WITH THE BID SHEET STILL ATTACHED SHALL BE PLACED IN A SEALED ENVELOPE AND SHALL HAVE

BEEN DELIVERED TO AND RECEIVED BY THE TRANSPORTATION DEPARTMENT AT 101 CITY HALL PLAZA, DURHAM, NC 27701 BY 2:00PM ON SEPTEMBER 22, 2026.

12. The sealed bid must display the following statement on the front of the sealed envelope:

“QUOTATION FOR INTERSECTION MODIFICATIONS AT NORTH ROXBORO STREET AND AVONDALE

DRIVE”

13. If delivered by mail, the sealed envelope shall be placed in another sealed envelope and the outer envelope shall be addressed as follows:

City of Durham Transportation Department Attention: Jonathan Brown, PE 101 City Hall Plaza (4th Floor) Durham, NC 27701

AWARD OF CONTRACT

The award of the contract, if it be awarded, will be made to the lowest responsible Bidder in accordance with the Standard Specifications for Roads and Structures 2024. The lowest responsible bidder will be notified that his bid has been accepted and that he has been awarded the contract. City of Durham reserves the right to reject all bids.

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Table of Contents

STANDARD PROVISIONS

GENERAL

AUTHORITY OF THE ENGINEER

CLAIMS FOR ADDITIONAL COMPENSATION OR EXTENSION OF TIME

DEFAULT OF CONTRACT

EXTENSION OF CONTRACT TIME

INSPECTION

LIABILITY INSURANCE

MATERIALS AND TESTING

PAYMENT

SUPERVISION BY CONTRACTOR

SAFETY AND ACCIDENT PROTECTION

SUBLETTING OF CONTRACT

TEMPORARY SUSPENSION OF WORK

TRAFFIC CONTROL AND WORK ZONE SAFETY

UTILITY CONFLICTS

STANDARD SPECIAL PROVISIONS

PROSECUTION AND PROGRESS

CONTRACTOR’S LICENSE REQUIREMENTS GENERAL

CONSTRUCTION METHODS GENERAL

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APPENDIX A

PROJECT SPECIAL PROVISIONS

SUBMITTAL CHECKLIST

NON-COLLUSION AFFIDAVIT

CONTRACT SAFETY RECORD INFORMATION

BID FORM

APPENDIX B

SAMPLE CONTRACT AND EXHIBITS

APPENDIX C

BID BOND

PERFORMANCE BOND AND PAYMENT BOND

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STANDARD PROVISIONS

GENERAL

This contract is for intersection modifications at North Roxboro Street and Avondale Drive within the City of Durham. Primary objectives of the project include access management and traffic signal updates. Other objects are sidewalk and curb ramp repair, a mill and fill within the intersection, and new pavement markings and signage. All work and materials shall be in accordance with the provisions of the General Guidelines of this contract, the Project Special

Provisions, the 2024 North Carolina Department of Transportation Standard Specifications for

Roads and Structures, the 2024 North Carolina Department of Transportation Roadway

Standards Drawings, and the current edition of the Manual of Uniform Traffic Control Devices

(MUTCD).

The City will provide necessary markings to identify proposed site conditions. The Contractor will furnish all equipment, complete utility locate request, secure necessary permitting, furnish material, and labor necessary to complete this project.

The Contractor shall keep himself fully informed of all Federal, State and local laws, ordinances, and regulations, and shall comply with the provisions of Section 107 of the Standard Specifications.

NCDOT Standard Specifications – The 2024 North Carolina Department of Transportation Standard

Specifications for Roads and Structures, herein referred to as the ‘Standard Specifications’, and the 2024

Roadway Standard Drawings, shall apply to all portions of this project except as may be modified by this document.

Bidder Prequalification - Bidders are required to be prequalified with NCDOT for their specific discipline.

Contractors wishing to become prequalified may obtain information through the NCDOT website at:

https://connect.ncdot.gov/business/Pages/default.aspx

Award of Contract - The contract will be awarded to the lowest responsible, responsive bidder.

Alternate items will not be considered in determining the low bidder and will only be evaluated after the award of the contract is made.

All bidders shall comply with all applicable laws regulating the practice of general contracting as contained in Chapter 87 of the General Statutes of North Carolina which requires the bidder to be licensed by N.C. Licensing Board for Contractors when bidding on any non-federal aid project where the bid is $30,000 or more, except for certain specialty work as determined by the licensing board, bidders are required to become licensed by the N.C. licensing board. Bidders shall also comply with all other applicable laws regulating the practices of electrical, plumbing, heating and air conditioning and refrigeration contracting as contained in Chapter 87 of the General Statutes of North Carolina.

Traffic Control –The requirements of the Manual on Uniform Traffic Control Devices (MUTCD) – FHWA, 4 | P a g e as amended by the NCDOT Supplement to MUTCD, shall apply. Traffic Control, both vehicular and pedestrian, shall be maintained throughout the project as required by these specifications as modified by the project plans or special provisions.

CONTRACT TIME AND LIQUIDATED DAMAGES

The date of availability for this project will be given in the Notice to Proceed. The Contractor may begin work prior to this date upon approval of the Engineer or his duly authorized representative. If such approval is given, and the Contractor begins work prior to the date of availability, the City of Durham

Transportation Department will assume no responsibility for any delays caused prior to the date of availability by any reason whatsoever, and such delays, if any, will not constitute a valid reason for extending the completion date.

No work will be permitted and no purchase order will be issued until all required bonds and prerequisite conditions and certifications have been satisfied.

The Contractor shall submit his bid for ninety days. The start date will be given in the Notice to

Proceed, and the contract will end 150 days after the date indicated therein.

Liquidated damages for this contract are Six Hundred Dollars ($600.00) per calendar day, and will be charged for each calendar day, beyond the 150-day limit unless otherwise approved by the project engineer in writing.

AUTHORITY OF THE ENGINEER

The Engineer for this project shall be the City of Durham’s Traffic Engineer, acting directly or through his duly authorized representatives.

The Engineer will decide all questions that may arise as to the quality and acceptability of work performed and as to the rate of progress of the work; all questions that may arise as to the interpretation of the contract; and all questions as to the acceptable fulfillment of the contract on the part of the Contractor. The Engineer’s decision shall be final, and the Engineer shall have executive authority to enforce and make effective such decisions.

CLAIMS FOR ADDITIONAL COMPENSATION OR EXTENSION OF TIME

Any claims for additional compensation and/or extensions of the completion date shall be submitted to the City of Durham Traffic Engineer with detailed justification within thirty (30) days after receipt of the final invoice payment. The failure of the Contractor to submit the claim(s) within thirty days shall be a bar to recovery.

DEFAULT OF CONTRACT

The Department of Transportation shall have the right to declare default of contract for breach by the

Contractor of any material term or condition of the contract. Default of contract shall be in accordance with the terms, conditions, and procedures of Article 108-9 of the Standard Specifications.

EXTENSION OF CONTRACT TIME

Failure on the part of the Contractor to furnish bonds, or certifications or to satisfy preliminary requirements necessary to issue the purchase order will not constitute grounds for extension of

5 | P a g e the contract time. If the Contractor has fulfilled all preliminary requirements for the issuance of a purchase order, and the purchase order authorization is not available by the date of availability, the Contractor shall be granted an extension equal to the number of calendar days the purchase order authorization is delayed after the date of availability.

INSPECTION

All work shall be subject to inspection by the Engineer at any time. Routinely, the Engineer will make periodic inspections of the completed work. It will be the responsibility of the Contractor to keep the

Engineer informed of his proposed work plan and to submit written reports of work accomplished on a frequency to be determined by the Engineer.

LIABILITY INSURANCE

The Contractor agrees to maintain on a primary basis, at its sole expense, and at all times during the life of this contract the following applicable coverages and limits. The requirements contained herein, as well as the City’s review or acceptance of insurance maintained by the Contractor, is not intended to, and shall not in any manner, limit or qualify the liabilities or obligations assumed by the Contractor under this contract.

Commercial General Liability – Combined single limit of no less than $1,000,000 each occurrence and

$2,000,000 aggregate. Coverage shall not contain any endorsement excluding or limiting

Product/Completed Operations, Contractual Liability, Cross Liability, or Personal and Advertising

Injury Liability.

Automobile Liability – Limits of no less than $1,000,000 Combined Single Limit. Coverage shall include liability for Owned, Non-Owned, and Hired automobiles. In the event the Contractor does not own automobiles, the Contractor agrees to maintain coverage for Hired and Non-Owned Auto Liability, which may be satisfied by way of endorsement to the Commercial General Liability policy or by separate Auto Liability policy. Automobile coverage is necessary only if vehicles are used in the provision of services under this contract or are brought on a City site.

Umbrella or Excess Liability – The Contractor may satisfy the minimum liability limits required above under an Umbrella or Excess Liability policy. There is no minimum Per Occurrence limit of liability under the Umbrella or Excess Liability. However, the Annual Aggregate limits shall not be less than the highest “Each Occurrence” limit for required policies. The Contractor agrees to endorse the City as an

“Additional Insured” on the Umbrella or Excess Liability unless the certificate of insurance states the

Umbrella or Excess Liability provides coverage on a “Follow-Form” basis.

Workers’ Compensation & Employers Liability – The Contractor agrees to maintain Worker’s

Compensation Insurance in accordance with Chapter 97 of the North Carolina General Statutes and with Employer Liability limits of no less than $1,000,000 for each accident, each employee, and policy limit. This policy must include a waiver of subrogation.

Additional Insured – The Contractor agrees to endorse the City as an Additional Insured on the

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Commercial General Liability. The Additional Insured shall read “City of Durham as its interest may appear”.

Certificate of Insurance – The Contractor agrees to provide the City a certificate of insurance evidencing that all coverage, limits, and endorsements required herein are maintained and in full force and effect, and certificates of insurance shall provide a minimum thirty (30) day endeavor to notify, when available, by the Contractor’s insurer. If the Contractor receives a non-renewal or cancellation notice from an insurance carrier affording coverage required herein or receives notice that coverage no longer complies with the insurance requirements herein, the Contractor agrees to notify the City within five (5) Business Days with a copy of the non-renewal or the cancellation notice or with written specifics as to which coverage is no longer in compliance. The Certificate Holder address should appear as follows:

City of Durham

Attn: Transportation Department

101 City Hall Plaza

All primary insurance carriers must be authorized to do business in North Carolina. As used in this contract, “Business Day” is defined as any day other than Saturdays, Sundays, and any legal holiday recognized by the City pursuant to City Code Section 42-16, as amended.

Proof of insurance shall be furnished to the Engineer prior to beginning work.

MATERIALS AND TESTING

The Engineer reserves the right to perform all sampling and testing in accordance with Section 106 of the Standard Specifications and the Department's "Materials and Test Manual." However, the Engineer may reduce the frequency of sampling and testing where he deems it appropriate for the project under construction.

The Contractor shall furnish the applicable certifications and documentation for all materials as required by the Standard Specifications. Material that is not properly certified will not be accepted.

PAYMENT

The Contractor may submit a request for partial payment on a monthly basis, or other interval as approved by the Engineer. Compensation for all pay items shall be in accordance with the Standard

Specifications. The amount of partial payments will be based on the work accomplished and accepted as the last day of the approved pay period.

All requests for payment shall be made by Contractor’s invoice, the invoice shall be submitted to:

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City of Durham Transportation Department Attention: Jonathan Brown, PE 101 City Hall Plaza (4th Floor)

All invoice items and unit costs shall correspond to contract pay items. In the event of error or discrepancy in items or unit costs, the Department may return the invoice to the contractor for correction.

SUPERVISION BY CONTRACTOR

At all times during the life of the project the Contractor shall provide one permanent employee who shall have the authority and capability for overall responsibility of the project and who shall be personally available at the work site within 24 hours notice. Such employee shall be fully authorized to conduct all business with the subcontractors, to negotiate and execute all supplemental agreements, and to execute the orders or directions of the Engineer.

At all times that work is actually being performed, the Contractor shall have present on the project one competent individual who is authorized to act in a supervisory capacity over all work on the project, including work subcontracted. The individual who has been so authorized shall be experienced in the type of work being performed and shall be fully capable of managing, directing, and coordinating the work; of reading and thoroughly understanding the contract; and receiving and carrying out directions from the Engineer or his authorized representatives. He shall be an employee of the Contractor unless otherwise approved by the Engineer.

The Contractor may, at his option, designate one employee to meet the requirements of both positions.

However, whenever the designated employee is absent from the work site, an authorized individual qualified to act in a supervisory capacity on the project shall be present.

SAFETY AND ACCIDENT PROTECTION

In accordance with Article 107-22 of the Standard Specifications, the Contractor shall comply with all applicable Federal, State, and local laws, ordinances, and regulations governing safety, health, and sanitation, and shall provide all safeguards, safety devices, and protective equipment, and shall take any other needed actions, on his own responsibility that are reasonably necessary to protect the life and health of employees on the job and the safety of the public, and to protect property in connection with the performance of the work covered by the contract.

SUBLETTING OF CONTRACT

The Contractor shall not sublet, sell, transfer, assign or otherwise dispose of this contract or any portion thereof; or his rights, title, or interest therein; without written consent of the Engineer. Subletting of this contract or any portion of the contract shall conform to the requirements of Article of 108-6 of the

Standard Specifications.

TEMPORARY SUSPENSION OF WORK

In accordance with Article 108-7 of the Standard Specifications, the Engineer will have the authority to suspend the work wholly or in part, any written order for such periods as he may deem necessary for

8 | P a g e any of the following reasons.

• Conditions considered unfavorable for the suitable prosecution of the work, or The Contractor’s failure for correct conditions unsafe for workmen or the general public, or

• The Contractor has not carried out orders given to him by the Engineer, or

• The Contractor’s failure to perform any provisions of the contract.

• No extension of the completion date will be allowed for the above suspensions except as may be provided for in Article 108-10.

TRAFFIC CONTROL AND WORK ZONE SAFETY

The Contractor shall maintain traffic during construction and provide, install, and maintain all traffic control devices in accordance with these project guidelines, the Project Special Provisions, North

Carolina Department of Transportation Standard Specifications for Roads and Structures, and the current edition of the Manual of Uniform Traffic Control Devices (MUTCD).

The Contractor shall utilize complete and proper traffic controls and traffic control devices during all operations. All traffic control and traffic control devices required for any operation shall be functional and in place prior to the commencement of that operation. Signs for temporary operations shall be removed during periods of inactivity. The Contractor is required to leave the project in a manner that will be safe to the traveling public and which will not impede motorists.

Traffic movements through lane closures on roads with two-way traffic shall be controlled by flaggers stationed at each end of the work zone. In situations where sight distance is limited, the Contractor shall provide additional means of controlling traffic, including, but not limited to, two-way radios, pilot vehicles, or additional flaggers. Flaggers shall be competent personnel, adequately trained in flagging procedures, and furnished with proper safety devices and equipment, including, but not limited to, safety vests and stop/slow paddles.

All personnel when working in traffic areas or areas in close proximity to traffic shall wear an approved safety vest, or shirt or jacket which meets the color requirements of the Manual of Uniform Traffic

Control Devices (MUTCD).

The Contractor shall comply with all applicable Federal, State, and local laws, ordinances, and regulations governing safety, health, and sanitation, and shall provide all safeguards, safety devices, and protective equipment, and shall take any other needed actions, on his own responsibility that are reasonably necessary to protect the life and health of employees on the job and the safety of the public, and to protect property in connection with the performance of the work covered by the contract.

Failure to comply with any of the requirements for safety and traffic control of this contract shall result in suspension of work as provided in subarticle 108-7(2) of the Standard Specifications.

Traffic control items (section 1100) on the bid sheet are included for use with the TMP plan set only. Any other traffic control and work zone safety items needed to complete the project shall be incidental to other contract items.

UTILITY CONFLICTS

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It shall be the responsibility of the Contractor to contact all affected utility owners and determine the precise locations of all utilities prior to beginning construction. Utility owners shall be contacted a minimum of 48 hours prior to the commencement of operations. Special care shall be used in working around or near existing utilities, protecting them when necessary to provide uninterrupted service. In the event that any utility service is interrupted, the Contractor shall notify the utility owner immediately and shall cooperate with the owner, or his representative, in the restoration of service in the shortest time possible. Existing fire hydrants shall be kept accessible to fire departments at all times.

The Contractor shall adhere to all applicable regulations and follow accepted safety procedures when working in the vicinity of utilities in order to insure the safety of construction personnel and the public.

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STANDARD SPECIAL PROVISIONS

PROSECUTION AND PROGRESS

After receiving a list of installations The Contractor shall prepare and submit to the Engineer a proposed schedule of operations prior to beginning work on this project. The schedule should indicate the proposed chronological sequence of operations and may be revised within the limits of the contract with the approval of the Engineer. Two weeks’ advance notification is required for any modifications to the work schedule.

The Contractor's operations are restricted to daylight hours and no work may be performed on weekends and/or holidays unless otherwise approved by the Engineer. Work shall only be performed when weather and visibility conditions allow safe operations. The Contractor shall not close lanes or restrict traffic between the hours of 6:00 to 9:00 a.m. and 4:00 to 7:00 p.m. on weekdays.

The Contractor's vehicles and equipment shall not be parked within the State/City Roadway System right of way overnight or at other times when work has been suspended unless approved in writing by the

Engineer/Property Owner, and in no case within 30 feet of the edge of pavement. The Engineer may designate specific locations for parking equipment.

The work covered by this special provision consists of installing/removing pavement markings to the satisfaction of the City Engineer or representative.

The contractor shall conform to the plans, the 2024 North Carolina Department of

Transportation’s Standard Specifications for Roads and Structures, and the 2024 North Carolina

Department of Transportation’s Roadway Standard Drawings, the project special provision/details and local codes.

Copies of these publications may be obtained by writing or calling:

North Carolina Department of Transportation

Design Services Unit-Manual Distribution

P.O. Box 25201

Raleigh, NC 27611

Phone (919) 250-4128

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CONTRACTOR’S LICENSE REQUIREMENTS GENERAL (for traffic signal work):

The contractor shall be required to hold the proper license to perform the electrical work of this contract, in accordance with article 4 of Chapter 87 of the General Statutes (Licensing of Electrical

Contractors). IMSA Level II Certification is mandatory to enter any/all traffic signal cabinets. The contractor shall have prior traffic signal installation experience.

REQUIREMENTS GENERAL:

The contractor shall have proof of IMSA Work Zone Safety Certification (or equivalent as approved by the Engineer), which will enable them to properly install the markings with limited supervision.

All contractor supplied materials and all work performed on the project shall meet the latest requirements of all applicable local, state and federal guidelines. The contractor shall comply with all applicable local ordinances and regulations prior to beginning any work. The contractor shall obtain all permits and licenses required by state and local agencies having jurisdiction over same, and after completion of work shall have all work inspected.

CONSTRUCTION METHODS GENERAL:

DESCRIPTION:

The contractor shall be responsible for any/all damage to private and/or public property resulting from this work. The City of Durham assumes no liability regarding injury and/or property damage resulting from work performed by the contractor.

The Engineer or his representative will meet with the contractor for a pre-construction conference.

A. Notifying Utility Agencies:

The contractor shall be responsible for contacting all utility agencies for the purpose of locating all underground utilities, which might conflict with this work prior to beginning work. The contractor shall be responsible for any and all damages to utilities resulting from work performed by the contractor.

B. Distance from Utilities:

The contractor shall maintain minimum clearances from existing utilities having jurisdiction over same with the project limits or as prescribed by the Engineer or Inspector.

C. Traffic Control During Construction:

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The contractor shall maintain traffic through the work site in accordance with the current editions of the Manual of the Uniform Traffic Control Devices and the Standard Specifications for Roads and

Structures.

The contractor shall furnish and place all warning and directional signs and other traffic control devices required to direct, control and protect the traveling public while construction is in process.

All required traffic control devices shall be in place prior to beginning any work and shall be removed daily and/or when no longer needed.

No direct payment for flaggers, police assistance, signing and traffic control items will be made, as they shall be considered incidental to the contract.

D. Conformity with The Provisions of This Contract:

The presence of the Engineer or an inspector at the work site shall in no way lessen the Contractor’s responsibility for conformity with the provisions of this contract. Should the Engineer or inspector fail to point out work that does not conform to the plans and specifications, whether from lack of discovery or for any other reason, it shall in no way prevent later rejection or correction to the unsatisfactory work when discovered. The contractor shall have no claim for losses suffered due to any necessary removals or repairs resulting from unsatisfactory work.

E. Site Clean-up:

The contractor shall clean the site of excess excavation, waste packing materials, wire and all other debris which result from the work. At the end of each work day, the site shall be cleaned and cleared. The contractor will haul away any waste material to an approved public landfill.

F. Observation Period:

Upon completion of the work as defined in the plans and special provisions for the project and after the installations have been approved, inspected, the NCDOT Standard observation period shall begin.

The purpose of this observation period is to assess the adequacy of the installation and operation of the installation, completion and final acceptance of the project shall be contingent upon successful completion of the observation period.

G. Excavated Areas:

All excavated or otherwise damaged areas shall be repaired by shaping, smoothing, seeding and mulching per 2024 North Carolina Department of Transportation Standard Specifications for Roads and

Structures

APPENDIX A

PROJECT SPECIAL PROVISIONS

SUBMITTAL CHECKLIST

NON-COLLUSION AFFIDAVIT

City of Durham, NC TS-1 Durham County

Version 24.2D 1 print date: 08/28/26

Project Special Provisions

(Version 24.2D)

Prepared By: __JAB__

28-Aug-26

Contents

1. 2024 STANDARD SPECIFICATIONS FOR ROADS & STRUCTURES

1.1. ELECTRICAL JUNCTION BOXES (1091-5)

1.2. TRAFFIC SIGNAL ACTIVATION (1700-4)

2. SIGNAL HEADS

2.1. MATERIALS

A. General:

B. Vehicle Signal Heads:

C. Pedestrian Signal Heads:

D. Bus Rapid Transit Signal Heads:

E. Optically-Programmed Vehicle Signal Sections:

F. Louvers:

3. LED BLANKOUT SIGN

3.1. MATERIALS

4. PUSH BUTTON INTEGRATED ACCESSIBLE PEDESTRIAN SIGNAL (APS)

4.1. DESCRIPTION

4.2. MATERIALS

4.3. CONSTRUCTION METHODS

4.4. MEASUREMENT AND PAYMENT

5. EROSION CONTROL GENERAL REQUIREMENTS

5.1. STABILIZATION REQUIREMENTS

5.2. SEEDING AND MULCHING

5.3. TEMPORARY SEEDING

5.4. FERTILIZER TOPDRESSING

5.5. SUPPLEMENTAL SEEDING

6. EROSION CONTROL

6.1. DESCRIPTION

6.2. CONSTRUCTION METHODS

6.3. MEASUREMENT AND PAYMENT

7. REMOVE MONOLITHIC CONCRETE ISLANDS

7.1. DESCRIPTION

7.2. CONSTRUCTION METHODS

7.3. MEASUREMENT AND PAYMENT

8. MODIFY VEHICLE SIGNAL HEAD

8.1. DESCRIPTION

8.2. CONSTRUCTION METHODS

8.3. MEASUREMENT AND PAYMENT

S i g n a t u r e

D a t e

Document not considered final unless all signatures completed.

City of Durham, NC TS-2 Durham County

Version 24.2D 2 print date: 08/28/26

1. 2024 STANDARD SPECIFICATIONS FOR ROADS & STRUCTURES

The 2024 Standard Specifications are revised as follows:

1.1. ELECTRICAL JUNCTION BOXES (1091-5)

Page 10-209, revise paragraphs beginning on line 26 to read "Provide electrical junction boxes with covers of the type and size indicated by the contract or plans for the termination of conduits.

Boxes and covers shall meet all requirements and specifications of ANSI/SCTE 77. Structural load tests shall meet the Tier 15 application type.

Page 10-209, line 28, revise title of section 1091-5(B) from “Polymer Concrete (PC) Junction

Boxes” to “Polymer Concrete (PC), Composite, and Thermoplastic Junction Boxes”.

Page 10-209, revise paragraphs beginning on line 29 through line 41 to read “For PC junction boxes, use polymer concrete material made of an aggregate consisting of sand and gravel bound together with a polymer and reinforced with glass strands to fabricate box and cover components.

Provide junction boxes which have bolted covers and open bottoms. Provide vertical extensions of 6 inches to 12 inches as required by project provisions.

Provide the required logo on the cover. Provide at least two size 3/8 inch diameter hex head stainless steel cover bolts to match inserts in the box. Provide pull slot(s) with stainless steel pin(s).

Bodies of junction boxes shall be a single piece.

Polymer concrete, composite, and thermoplastic junction boxes are not required to be listed electrical devices.”

1.2. TRAFFIC SIGNAL ACTIVATION (1700-4)

Page 17-4, revise paragraph beginning on line 42 through line 46 to read “Prior to placing signal in the steady (stop-and-go) mode, the signal should be placed in yellow-red flashing mode for up to 7 days or as directed by the Engineer. Yellow-red flashing mode differs from the red-red flashing mode shown in the signal plan. Yellow-red flash mode includes flashing the yellow signal indications on all main street through movements while flashing the red signal indications on all side street signal heads and any left turn heads on the main street. The signal should not be placed in the steady (stop-and-go) mode on a Saturday or Sunday without prior approval from the Engineer. Do not place the signal in steady (stop-and-go) mode until inspected and without prior approval of the

Engineer.”

2. SIGNAL HEADS

2.1. MATERIALS

A. General:

Fabricate vehicle signal head housings and end caps from die-cast aluminum. Fabricate 12-inch and 16-inch pedestrian signal head housings and end caps from die-cast aluminum. Fabricate 9-inch pedestrian signal head housings, end caps, and visors from virgin polycarbonate material. Provide visor mounting screws, door latches, and hinge pins fabricated from stainless steel. Provide interior screws, fasteners, and metal parts fabricated from stainless steel.

Fabricate tunnel and traditional visors from sheet aluminum.

Paint all surfaces inside and outside of signal housings and doors. Paint outside surfaces of tunnel and traditional visors, wire outlet bodies, wire entrance fitting brackets and end caps when

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Version 24.2D 3 print date: 08/28/26 supplied as components of messenger cable mounting assemblies, pole and pedestal mounting assemblies, and pedestrian pushbutton housings. Have electrostatically-applied, fused-polyester paint in highway yellow (Federal Standard 595C, Color Chip Number 13538) a minimum of 2.5 to

3.5 mils thick. Do not apply paint to the latching hardware, rigid vehicle signal head mounting brackets for mast-arm attachments, messenger cable hanger components or balance adjuster components.

Have the interior surfaces of tunnel and traditional visors painted an alkyd urea black synthetic baking enamel with a minimum gloss reflectance and meeting the requirements of MIL-E-10169, “Enamel Heat Resisting, Instrument Black.”

Where required, provide polycarbonate signal heads and visors that comply with the provisions pertaining to the aluminum signal heads listed on the QPL with the following exceptions:

Fabricate signal head housings, end caps, and visors from virgin polycarbonate material. Provide

UV stabilized polycarbonate plastic with a minimum thickness of 0.1 ± 0.01 inches that is highway yellow (Federal Standard 595C, Color Chip 13538). Ensure the color is incorporated into the plastic material before molding the signal head housings and end caps. Ensure the plastic formulation provides the following physical properties in the assembly (tests may be performed on separately molded specimens):

Test Required Method

Specific Gravity 1.17 minimum ASTM D 792

Flammability Self-extinguishing ASTM D 635

Tensile Strength, yield, PSI 8500 minimum ASTM D 638

Izod impact strength, ft-lb/in [notched, 1/8 inch] 12 minimum ASTM D 256

For pole mounting, provide side of pole mounting assemblies with framework and all other hardware necessary to make complete, watertight connections of the signal heads to the poles and pedestals. Fabricate the mounting assemblies and frames from aluminum with all necessary hardware, screws, washers, etc. to be stainless steel. Provide mounting fittings that match the positive locking device on the signal head with the serrations integrally cast into the brackets.

Provide upper and lower pole plates that have a 1 ¼-inch vertical conduit entrance hubs with the hubs capped on the lower plate and 1 ½-inch horizontal hubs. Ensure that the assemblies provide rigid attachments to poles and pedestals so as to allow no twisting or swaying of the signal heads.

Ensure that all raceways are free of sharp edges and protrusions, and can accommodate a minimum of ten Number 14 AWG conductors.

For pedestal mounting, provide a post-top slipfitter mounting assembly that matches the positive locking device on the signal head with serrations integrally cast into the slipfitter. Provide stainless steel hardware, screws, washers, etc. Provide a minimum of six 3/8 X 3/4-inch long square head bolts for attachment to pedestal. Provide a center post for multi-way slipfitters.

For light emitting diode (LED) traffic signal modules, provide the following requirements for inclusion on the Department’s Qualified Products List for traffic signal equipment.

1. Sample submittal,

2. Third-party independent laboratory testing results for each submitted module with evidence of testing and conformance with all of the Design Qualification Testing specified in section 6.4 of each of the following Institute of Transportation Engineers (ITE) specifications:

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• Vehicle Traffic Control Signal Heads – Light Emitting Diode (LED) Circular Signal

Supplement

• Vehicle Traffic Control Signal Heads – Light Emitting Diode (LED) Vehicle Arrow

Traffic Signal Supplement

• Pedestrian Traffic Control Signal Indications –Light Emitting Diode (LED) Signal

Modules.

(Note: The Department currently recognizes two approved independent testing laboratories.

They are Intertek ETL Semko and Light Metrics, Incorporated with Garwood Laboratories.

Independent laboratory tests from other laboratories may be considered as part of the QPL submittal at the discretion of the Department,

3. Evidence of conformance with the requirements of these specifications,

4. A manufacturer’s warranty statement in accordance with the required warranty, and

5. Submittal of manufacturer’s design and production documentation for the model, including but not limited to, electrical schematics, electronic component values, proprietary part numbers, bill of materials, and production electrical and photometric test parameters.

6. Evidence of approval of the product to bear the Intertek ETL Verified product label for LED traffic signal modules.

Ensure LED traffic signal modules meet the performance requirements for the minimum period of 15 years, provide a written warranty against defects in materials and workmanship for the modules for a period of 15 years after installation of the modules. During the warranty period, the manufacturer must provide new replacement modules within 45 days of receipt of modules that have failed at no cost to the State. Repaired or refurbished modules may not be used to fulfill the manufacturer’s warranty obligations. Provide manufacturer’s warranty documentation to the

Department during evaluation of product for inclusion on Qualified Products List (QPL).

B. Vehicle Signal Heads:

Comply with the ITE standard “Vehicle Traffic Control Signal Heads”. Provide housings with provisions for attaching backplates.

Provide visors that are 8 inches in length for 8-inch vehicle signal head sections. Provide visors that are 10 inches in length for 12-inch vehicle signal heads.

Provide a termination block with one empty terminal for field wiring for each indication plus one empty terminal for the neutral conductor. Have all signal sections wired to the termination block.

Provide barriers between the terminals that have terminal screws with a minimum Number 8 thread size and that will accommodate and secure spade lugs sized for a Number 10 terminal screw.

Mount termination blocks in the yellow signal head sections on all in-line vehicle signal heads.

Mount the termination block in the red section on five-section vehicle signal heads.

Furnish vehicle signal head interconnecting brackets. Provide one-piece aluminum brackets less than 4.5 inches in height and with no threaded pipe connections. Provide hand holes on the bottom of the brackets to aid in installing wires to the signal heads. Lower brackets that carry no wires and are used only for connecting the bottom signal sections together may be flat in construction.

For messenger cable mounting, provide messenger cable hangers, wire outlet bodies, balance adjusters, bottom caps, wire entrance fitting brackets, and all other hardware necessary to make complete, watertight connections of the vehicle signal heads to the messenger cable. Fabricate messenger cable hanger components, wire outlet bodies and balance adjuster components from stainless steel or malleable iron galvanized in accordance with ASTM A153 (Class A) or ASTM

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A123. Provide serrated rings made of aluminum. Provide messenger cable hangers with U-bolt clamps. Fabricate washers, screws, hex-head bolts and associated nuts, clevis pins, cotter pins, U-bolt clamps and nuts from stainless steel.

For mast-arm mounting, provide rigid vehicle signal head mounting brackets and all other hardware necessary to make complete, watertight connections of the vehicle signal heads to the mast arms and to provide a means for vertically adjusting the vehicle signal heads to proper alignment.

Fabricate the mounting assemblies from aluminum, and provide serrated rings made of aluminum.

Provide stainless steel cable attachment assemblies to secure the brackets to the mast arms. Ensure all fastening hardware and fasteners are fabricated from stainless steel.

Provide LED vehicular traffic signal modules (hereafter referred to as modules) that consist of an assembly that uses LEDs as the light source in lieu of an incandescent lamp for use in traffic signal sections. Use LEDs that are aluminum indium gallium phosphorus (AlInGaP) technology for red and yellow indications and indium gallium nitride (InGaN) for green indications. Install the ultra bright type LEDs that are rated for 100,000 hours of continuous operation from 40°F to +165°F. Design modules to have a minimum useful life of 15 years and to meet all parameters of this specification during this period of useful life.

For the modules, provide spade terminals crimped to the lead wires and sized for a #10 screw connection to the existing terminal block in a standard signal head. Do not provide other types of crimped terminals with a spade adapter.

Ensure the power supply is integral to the module assembly. On the back of the module, permanently mark the date of manufacture (month & year) or some other method of identifying date of manufacture.

Tint the red, yellow and green lenses to correspond with the wavelength (chromaticity) of the

LED. Transparent tinting films are unacceptable. Provide a lens that is integral to the unit with a smooth outer surface.

1. LED Circular Signal Modules:

Provide modules in the following configurations: 12-inch circular sections, and 8-inch circular sections. All makes and models of LED modules purchased for use on the State Highway System shall appear on the current NCDOT Traffic Signal Qualified Products List (QPL).

Provide the manufacturer’s model number and the product number (assigned by the Department) for each module that appears on the 2024 or most recent Qualified Products List. In addition, provide manufacturer’s certification in accordance with Article 106-3 of the Standard Specifications, that each module meets or exceeds the ITE “Vehicle Traffic Control Signal Heads – Light Emitting

Diode (LED) Circular Signal Supplement” dated June 27, 2005 (hereafter referred to as VTCSH

Circular Supplement) and other requirements stated in this specification.

Provide modules that meet the following requirements when tested under the procedures outlined in the VTCSH Circular Supplement:

Module Type Max. Wattage at 165° F Nominal Wattage at 77° F

12-inch red circular 17 11

8-inch red circular 13 8

12-inch green circular 15 15

8-inch green circular 12 12

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For yellow circular signal modules, provide modules tested under the procedures outlined in the

VTCSH Circular Supplement to insure power required at 77° F is 22 Watts or less for the 12-inch circular module and 13 Watts or less for the 8-inch circular module.

Note: Use a wattmeter having an accuracy of ±1% to measure the nominal wattage and maximum wattage of a circular traffic signal module. Power may also be derived from voltage, current and power factor measurements.

2. LED Arrow Signal Modules

Provide 12-inch omnidirectional arrow signal modules. All makes and models of LED modules purchased for use on the State Highway System shall appear on the current NCDOT Traffic Signal

Qualified Products List (QPL).

Provide the manufacturer’s model number and the product number (assigned by the Department) for each module that appears on the 2024 or most recent Qualified Products List. In addition, provide manufacturer’s certification in accordance with Article 106-3 of the Standard Specifications, that each module meets or exceeds the requirements for 12-inch omnidirectional modules specified in the

ITE “Vehicle Traffic Control Signal Heads – Light Emitting Diode (LED) Vehicle Arrow Traffic

Signal Supplement” dated July 1, 2007 (hereafter referred to as VTCSH Arrow Supplement) and other requirements stated in this specification.

Provide modules that meet the following requirements when tested under the procedures outlined in the VTCSH Arrow Supplement:

Module Type Max. Wattage at 165° F Nominal Wattage at 77° F

12-inch red arrow 12 9

12-inch green arrow 11 11

For yellow arrow signal modules, provide modules tested under the procedures outlined in the

VTCSH Arrow Supplement to insure power required at 77° F is 12 Watts or less.

Note: Use a wattmeter having an accuracy of ±1% to measure the nominal wattage and maximum wattage of an arrow traffic signal module. Power may also be derived from voltage, current and power factor measurements.

3. LED U-Turn Arrow Signal Modules:

Provide modules in the following configurations: 12-inch left u-turn arrow signal modules and

12-inch right u-turn arrow signal modules.

Modules are not required to be listed on the ITS and Signals Qualified Products List. Provide manufacturer’s certification in accordance with Article 106-3 of the Standard Specifications, that each module meets or exceeds the ITE “Vehicle Traffic Control Signal Heads – Light Emitting

Diode (LED) Circular Signal Supplement” dated June 27, 2005 (hereafter referred to as VTCSH

Circular Supplement) and other requirements stated in this specification.

Provide modules that have minimum maintained luminous intensity values that are not less than

16% of the values calculated using the method described in section 4.1 of the VTCSH Circular

Supplement.

Provide modules that meet the following requirements when tested under the procedures outlined in the VTCSH Circular Supplement:

Module Type Max. Wattage at 165° F Nominal Wattage at 77° F

12-inch red u-turn arrow 17 11

12-inch green u-turn arrow 15 15

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For yellow u-turn arrow signal modules, provide modules tested under the procedures outlined in the VTCSH Circular Supplement to ensure power required at 77° F is 22 Watts or less.

Note: Use a wattmeter having an accuracy of ±1% to measure the nominal wattage and maximum wattage of a circular traffic signal module.