IFB_250139_Special_Provisions.pdf

HSIP INTERSECTION IMPROVEMENTS

T0493 – VARIOUS SIGNALIZED LOCATIONS, TUCSON

FLASHING YELLOW ARROW

TRAFFIC SIGNAL UPGRADES

SPECIAL PROVISIONS

COT Job No. - T0493 01C

Federal Aid No. – TUC-0(284)D

COT Plan No. U-2025-005

APRIL 2025

Page II

CONTRACT SPECIAL PROVISIONS FOR:

COT Job No. T0493 01C / Fed Aid No. TUC-0(284)D / COT Plan No. U-2025-005

T0493 – VARIOUS SIGNALIZED LOCATIONS, TUCSON

FLASHING YELLOW ARROW UPGRADES AT:

1. 29th Street and Craycroft Road

2. 29th Street and Swan Road

3. Golf Links Road and Swan Road

4. Grant Road and Swan Road

5. River Road and Hacienda Del Sol Road

6. Roger Road and Flowing Wells Road

7. Valencia Road and Santa Clara Avenue

8. Via Ingresso and Mission Road

9. Wrightstown Road and Pantano Road

PROFESSIONAL SEALS

These specifications were prepared under the direction of the following individuals:

Their seals, affixed above, attest that those portions of these specifications which relate to the plan sheet numbers appearing next to the seal were prepared under their direction.

Page III

TABLE OF CONTENTS

GENERAL REQUIREMENTS

SECTION 101 - ABBREVIATIONS AND DEFINITIONS

SECTION 104 - SCOPE OF WORK

SECTION 105 - CONTROL OF WORK

SECTION 107 - LEGAL RELATIONS AND RESPONSIBILITY TO PUBLIC

SECTION 109 - MEASUREMENT AND PAYMENT

SECTION 202 - REMOVAL OF STRUCTURES AND OBSTRUCTIONS

ITEM 2020034 - REMOVAL OF SIGNS AND DELINEATORS

ITEM 2020039 - REMOVE AND RELOCATE SIGN

ITEM 2020205 - REMOVE AND SALVAGE TRAFFIC SIGNAL FACE

SECTION 607 - SIGN SUPPORTS

ITEM 6072001 - SIGN MOUNT ASSEMBLIES (FLAG MOUNTED)

SECTION 608 - SIGN PANELS

ITEM 6080051 - METRO NAME SIGN WITH FLAG MOUNT

SECTION 701 - MAINTENANCE AND PROTECTION OF TRAFFIC

SECTION 732 - ELECTRICAL MATERIAL AND SERVICE

SECTION 733 - SIGNAL INDICATIONS AND MOUNTING ASSEMBLIES

SECTION 734 - TRAFFIC SIGNAL CONTROLLER ASSEMBLY

SECTION 735 - DETECTORS

SECTION 737 - INCIDENTAL ELECTRICAL WORK

ITEM 7370200 - REMOVE AND SALVAGE EXISTING ELECTRICAL

EQUIPMENT

SECTION 924 - CONTRACTOR QUALITY CONTROL

SECTION 1007 - RETROREFLECTIVE SHEETING

GENERAL REQUIREMENTS

For the purpose of these Special Provisions, the terms City, City of Tucson and Engineer are synonymous.

1. Project Objectives

The objective of this contract is to complete construction as quickly as possible while minimizing the impact to the Stakeholders. Stakeholders include, but are not limited to, adjacent businesses, commuters, buses, emergency services, maintenance, pedestrians, bicyclists, adjacent schools, and adjoining neighborhoods.

The contractor shall maintain access to all side streets, access roads, driveways, alleys, parking lots, and adjacent businesses during their hours of operations.

The contractor shall maintain access for and protection of pedestrians across the work zone at all times.

Access to neighborhoods, businesses, and schools shall be maintained at all times.

2. Prebid Meeting

A pre-bid meeting is a part of the bid process and will be held at the location determined in the

Invitation for Bids solicitation.

The contractor shall field verify all existing conditions shown on plans prior to beginning construction. Any significant deviations to the conditions that may affect the timely construction of improvements shall be brought to the attention of the Engineer.

The contractor shall not store equipment, supplies, materials, or debris on the sidewalks or bike paths.

Before undertaking work, at any location covered by this project, the contractor shall obtain all applicable permits, from the City of Tucson, as needed.

3. Contract Time

The contract time for the construction phase of the project shall be 180 calendar days.

4. Maintenance and Protection of Traffic

The contractor shall prepare and submit traffic control plans to the Engineer for review and approval two weeks prior to the start of the project construction activities (or at the Preconstruction

Meeting).

The traffic control plans shall conform to requirements of Part 6 of the Manual on Uniform Traffic

Control Devices (MUTC), edition adopted by the Arizona Department of Transportation (ADOT), Section 701 of the Standard Specifications, and these Special Provisions.

Construction work activities that impact traffic shall not begin until the traffic plan, days, and duration have been approved by the Engineer. No separate measurement or payment will be made for preparation and submittal of traffic control plans for review and approval, it will be considered included the price of the contract bid items.

Changes or revisions to the traffic control plan (TCP) and specifications shall be submitted and approved by the Engineer in advance of implementation.

The contractor shall not store equipment, supplies, materials, or debris on the sidewalks or bike paths.

The contractor shall be required to check on all traffic control barricading, signing, message board twice daily and maintain, as needed.

Residential and commercial driveway access shall be continuously maintained.

The contractor is advised of the Civil Sanctions for Temporary Traffic Control Violations included in Section 20 of the Additions by the City of Tucson to the Manual on Uniform Traffic Control

Devices, for Temporary Traffic Control.

The contractor shall provide a clear and safe pedestrian access travel way at all times during construction. Safe pedestrian access through the construction site shall be provided during and after regular work hours.

The contractor shall contact local law enforcement, local fire department and local ambulance services a minimum of 72 hours in advance of any roadway restrictions. The contractor shall ensure that emergency vehicles have access to the project area and each residence at all times.

The existing traffic signal operations at the various intersections identified in the plans shall be operational and continuous twenty-four (24) hours per day, seven (7) days a week. Any periods of time for which the signals are temporarily out of service shall be controlled by uniformed law enforcement agency personnel.

The contractor shall not schedule any traffic restrictions during weekends or recognized holidays, unless otherwise approved by the Engineer. Holidays are from 12:00 \PM of the last working day prior to the holiday until 6:00 AM of the first working day following the holiday. When the holiday falls on a Tuesday, the Monday before the holiday is considered part of the holiday.

The contractor shall provide all safety equipment, barricades, proper lighting and all other items to perform nighttime work when deemed necessary by the Engineer.

5. Project Limits and Restrictions

The contractor shall perform all work within the public right-of-way. The contractor shall assume all responsibility and liability for any encroachment upon private property. The use of private property for construction yards will be allowed only if zoning requirements allows its use for this purpose. Under no circumstances shall any equipment, vehicles or other construction items, not specifically required or needed for the immediate construction at hand, be stored or left on private property without the express permission of the property owner.

The contractor shall not block or impede access to any business services including but not limited to fuel islands and drive thru.

6. Material Sources

Material sources shall be as specified in the project plans, Section 1004 and 1007 of the Standard

Specifications.

7. Salvaged Items

All materials identified as on the plans to be salvaged as part of this project shall be delivered to a location as directed by the Engineer.

Signs shall be removed and salvaged in accordance with the plans and these Special Provisions.

Salvaged signs shall be delivered to the City of Tucson Sign Shop at 4004 S. Park Avenue, Building 6 (West End). The contractor shall contact April Ormsby (april.ormsby@tucsonaz.gov)

(529-791-3154) at least 5 working days in advance to coordinate the time and location for delivery of salvaged signs.

Traffic signal equipment shall be removed and salvaged in accordance with the plans and these

Special Provisions. Salvaged traffic signal equipment shall be delivered to the City of Tucson

Streets and Traffic Maintenance Division yard. The contractor shall contact Armando Bracamonte

(armando.bracamonte@tucsonaz.gov) one week prior to delivery to coordinate the time and location for delivery of the salvaged traffic signal equipment.

The contractor shall be responsible for all loading, unloading, and hauling of all salvaged materials at the location specified. No measurement of direct payment will be made for this work, the cost being considered as included in the price of contract items.

SECTION 101 - ABBREVIATIONS AND DEFINITIONS

101-3 TERMS: of the Standard Specifications are revised as follows:

Supplemental Agreement – Add the following: “All supplemental agreements will be issued in compliance with City of Tucson Procurement Code.”

SECTION 104 - SCOPE OF WORK

104-1 INTENT OF CONTRACT: of the Standard Specifications is modified to add:

(A) Covenant of Good Faith and Fair Dealing

This contract imposes an obligation of good faith and fair dealing in its performance and enforcement.

The contractor and the Department, with a positive commitment to honesty and integrity, agree to the following mutual duties:

1. Each will function within the laws and statutes applicable to their duties and responsibilities.

2. Each will assist in the other's performance.

3. Each will avoid hindering the other's performance.

4. Each will proceed to fulfill its obligations diligently.

5. Each will cooperate in the common endeavor of the contract.

(A) Communication Chain and Escalation Ladder:

The City of Tucson Department of Transportation and Mobility intends to encourage the foundation of a cohesive partnership with the contractor and its principal subcontractors and suppliers. This partnership will be structured to draw on the strengths of each organization to identify and achieve reciprocal goals. The objectives are effective and efficient contract performance and completion within budget, on schedule, and in accordance with plans and specifications.

Should issues arise that will affect performance, budget, or schedule, the contractor’s superintendent shall discuss and attempt to work out a solution that is agreeable to the assigned inspector. If no resolution is possible in one day, the issue shall be escalated to the contractor’s

Project Manager and the City of Tucson’s Project Manager.

The two project managers shall attempt to work out a solution. If no solution can be agreed upon within three days, the issue shall be escalated to the contractor owner and the City’s Field

Engineering Manager.

104-5 Maintenance of Traffic

The contractor shall maintain access to all side streets, access roads, businesses, residences, driveways, alleys and parking lots.

Throughout the duration of construction, access by Emergency Services, Sun Tran and mail delivery shall be maintained.

The contractor shall not store equipment, supplies, materials, or debris on the sidewalks or bike paths. Pedestrian access shall be maintained on at least one side of the street throughout the duration of the project.

The existing traffic signal operations at the various intersections identified in the plans shall be operational and continuous twenty-four (24) hours per day seven (7) days a week. Any periods of time for which the signals are temporarily out of service shall be controlled by Uniformed Law

Enforcement personnel and marked car.

The contractor shall not schedule any traffic restrictions during weekends or recognized holidays, unless otherwise approved by the Engineer. Holidays are from 12:00 PM of the last working day prior to the holiday until 6:00 AM of the first working day following the holiday. When the holiday falls on a Tuesday, the Monday before the holiday is considered part of the holiday.

The contractor shall provide all safety equipment, barricades, proper lighting and all other items to perform nighttime work when deemed necessary by the Engineer.

104-6 Maintenance of the Project Site: of the Standard Specifications is modified to add:

Any existing or salvaged materials damaged by the contractor during construction shall be repaired and/or replaced. The cost of such repair and replacement shall be at the Contractors expense. It is the responsibility of the contractor to become thoroughly familiar with all visible features of the site before preparing his proposal.

104-8 Final Clean Up: of the Standard Specifications is added:

No accumulation of materials, debris, rubbish, etc., shall be left at any site overnight. All areas

(sites) shall be left reasonably clean (as determined by the project inspector) at the end of each day.

SECTION 105 - CONTROL OF WORK

105-6 Cooperation with Utility Companies: the sixth paragraph of the Standard

Specification is modified to add:

The contractor will acknowledge and agree that no monetary compensation will be given to the contractor by the Agency as a result of the impacts or delays to his operations that are caused by the utility companies.

105-17.02 Substantial Completion: the Standard Specification is modified to add:

Once substantial completion is granted, the contractor shall actively work to achieve Final

Acceptance of the construction phase of the Contract within 21-calendar days from the

Substantial Completion date of that phase. Failure to prosecute the remaining work within this time period will result in the resumption of time charges and the application of liquidated damages from the date scheduled for final acceptance.

The contractor is responsible for maintenance and repairs of any project work until final acceptance, at which time the City will accept the improvements for operation and maintenance.

105-17.04 Final Acceptance: the thrid paragraph of the Standard Specification is modified to add:

In addition, final acceptance will not be made until all completed record drawings and working drawings, as required in Subsection 105-2, have been submitted and deemed acceptable by the

Engineer.

105-18 Claims: of the Standard Specification is modified to add:

The administrative process for resolution of disputes and claims is sequential in nature and is composed of the following steps:

Step I Review by City of Tucson DTM

Step II Review by Procurement

Step III Review by the City Attorney’s Office

If the contractor rejects the decision of DTM, the dispute or claim will be forwarded to the

Procurement for resolution in accordance with the Procurement Code.

105-18.01 Notice of Claims: of the Standard Specifications is modified to add:

Reference to the authorized representative shall mean the Procurement Contract Officer.

References to submissions to the Engineer or authorized representative shall be modified to include submissions to both the Engineer and authorized representative.

105-18.02 Submission of Claims: of the Standard Specifications is modified to add:

Reference to the authorized representative shall mean the Procurement Contract Officer.

References to submissions to the Engineer or authorized representative shall be modified to include submissions to both the Engineer and authorized representative.

Content of the Claim: The claim shall be in writing and shall include the following information:

(a) The name, address, telephone number and email address of the claimant;

(b) The signature of the claimant or its representative

(c) Identification of the solicitation or contract number

(d) A detailed statement of the legal and factual grounds of the claim including copies of relative documents as described in Section A and Section B of the

Standard Specifications; and

(e) The form of relief requested.

105-18.03 Decision on Claims: of the Standard Specifications is revised to read:

The decision of claims shall be made by the Procurement Department’s Contract Officer in accordance to Tucson Code Section 28-92.

105-20 MEDIATION OF CLAIMS AND DISPUTES: of the Standard Specifications is modified to add:

Notwithstanding Section 105-18.03of the Standard Specifications, if the contractor is not satisfied with the decision of the Engineer, and prior to filing for arbitration or litigation, the contractor may request a non-binding mediation by filing a request for mediation in writing with the Engineer.

The Engineer will then arrange for a mutually agreeable mediator. Such request for mediation shall be made within 30 calendar days from actually receiving the Engineer’s decision as provided for in this section.

In connection with the mediation, each party shall bear its own costs, and any fees and expenses assessed by the mediator shall be borne equally by both parties.

SECTION 107 - LEGAL RELATIONS AND RESPONSIBILITY TO PUBLIC

107-21 CONTRACTOR’S RESONSIBILITY FOR UTILITY PROPERTY AND

SERVICES of the Standard Specifications is modified to add:

The following utility companies have facilities in the project area but are not anticipated to be in conflict:

Utility Agency Contact Phone

American Telephone & Telegraph Van Bake/NDCI Group (800) 252-1133

Arizona Dept. of Transportation - Tucson Traffic Signals Gustavo Ruiz (520) 262-5909

Arizona Dept. Of Transportation- Tucson David Quiroz (520) 262-0328

Boldyn Networks Us Llc (Fka Mobilitie) Tamara Zaki (470) 240-3287

City Of Tucson Dept of Transp. - Traffic Eng Cesar Salmeron (520) 334-8160

City Of Tucson Dept of Transp. - Traffic Eng Irrig Francisco Fragozo (520) 668-7995

City Of Tucson Inet Fiber Theo Christenson (520) 437-3083

City Of Tucson Park and Recreation Kevin Heilman (520) 401-6962

Cogent Communications (Fka Sprint Comm Co) Control Center (800) 521-0579

Comcast Communications USIC Dispatch Center (800) 778-9140

Cox Communications - Tucson Jacob Horsman (623) 238-2202

Crown Castle Solutions Corporation Fiber Dig Team (800) 654-3110

Centurylink/Lumen Jason Jensen (801)-735-2464

First Digital Kevin Head (520) 449-3960

Flowing Wells Irrigation District Scott Perkins/Lisa Ware (520) 887-4192

MCI - (Verizon Business) Supervisor On Duty (800) 624-9675

Pima County Wastewater Management Carl Joy (520) 437-3774

Southwest Gas - Tucson - Distribution Stephanie Rodriguez (520) 289-0481

Southwest Gas – Tucson – High Pressure Stephanie Rodriguez (520) 289-0481

Tucson Electric Power Tep Dispatch (520) 917-2617

Tucson Water Tucson Water Dispatch (520) 791-5511

Verizon Wireless Nat. Fac. Locate Center (800) 624-9675

Zayo group, LLC Zayo Locate Desk (800) 961-6500

This project consist of non-ground disturbing construction activities. Underground utility locations are not shown on the project plans. The contractor shall follow the Arizona 811 Laws to locate and coordinate prior to start of any construction activities at each location.

The following utility companies have aerial facilities in close proximity with the proposed construction and anticipate certain possible safety requirements to work near them:

Cox Communications – Aerial Comm - No conflict

Lumen – Aerial Comm - No Conflict

Tucson Electric Power – No Conflict

Utility Contact – Miranda Jackson (520) 449-4309

Company Conflict(s) Conflict Resolution

TEP Possible overhead protection needed.

Access and review the following websites for overhead and underground protection requirements in advance of construction activity to ensure all protection needs are addressed:

https://www.tep.com/Customer/Construction/ESR/

And https://www.tep.com/Resources/Safety/Overhead/

Please contact TEP directly at 520-917-2617 a minimum of 10 working days in advance to request overhead protection if needed.

Overhead protection is billable to the contractor.

The project has a network of underground and overhead power lines. All work at or in close proximity to said lines shall be performed in accordance with all Federal, State, and local laws and regulations, including but not limited to:

https://www.tep.com/Customer/Construction/ESR/ https://www.tep.com/Resources/Safety/Overhead/

(1) Arizona law regarding “Underground Facilities” (A.R.S. 40-360.21, .22, .24, .26 and

.28).

(2) Arizona law regarding “High Voltage Power Lines and Safety Restrictions” (A.R.S.

40-360.41-.45).

(3) The Occupational Safety and Health Administration.

(4) The National Electric Safety Code

Both Lumen and COX have underbuilt communication lines on TEP’s existing poles in various locations. Although they are not in direct conflict, if utilities interfere with the contractor's normal progress towards completion of the project, the City of Tucson Department of Transportation may, at its option, authorize the contractor to relocate said conflicting utilities in accordance with the provisions of subsection 109-5.02 of the Standard Specifications and these Special Provisions.

In accordance with Lumen and COX’s Clearance Letters it will be the Contractor’s repsibility to ensure a 12” minimum cleareance from any traffic equipment that will be installed as part of this project. In addition, it will be the Contractor’s resposibility to immediately notify the utility comapnaies if any changes to the project scope have the potential impact any existing utility infrastructure.

SECTION 109 - MEASUREMENT AND PAYMENT

109-1 MEASUREMENT OF QUANTITIES of the Standard Specifications is modified to add:

The term “Dollar” or its abbreviation “USD” (US Dollar) when included in the bidding schedule as a unit of measurement, shall mean an allowance for the payment of the work in conformance with the provisions of Subsection 109-5.01.

SECTION 202 - REMOVAL OF STRUCTURES AND OBSTRUCTIONS

ITEM 2020034 - REMOVAL OF SIGNS AND DELINEATORS

1. DESCRIPTION:

The work under this item consists of removing existing sign panels, metro street name signs, and the associated mounting assemblies and hardware at the locations shown in the project plans.

2. CONSTRUCTION REQUIREMENTS:

Removals shall conform to Sections 202-3.06 of the standard specifications.

The contractor shall carefully dismantle signing designated to be removed in a manner as to prevent any damage to the removed items.

The removed signing items shall be salvaged and delivered to the following location:

City of Tucson – Sign Shop

4004 S. Park Avenue, Building 6 (West End)

Tucson, Arizona

(520) 791-3154

Any salvaged items that are damaged or destroyed from the contractor’s operations shall be repaired or replaced by the contractor at no additional cost to the City.

3. METHOD OF MEASUREMENT:

REMOVAL OF SIGNS AND DELINEATORS shall be measured as a complete unit of work as described above.

4. BASIS OF PAYMENT:

The accepted quantity of REMOVAL OF SIGNS AND DELINEATORS, measured as provided above, shall be paid for at the contract Lump Sum price, which shall be full compensation for the work, complete in place.

ITEM 2020039 - REMOVE AND RELOCATE SIGN

1. DESCRIPTION:

The work under this item consists of removal and relocation of existing sign panes at the locations specified in the project plans.

2. CONSTRUCTION REQUIREMENTS:

The contractor shall carefully dismantle the signs and associated hardware designated to be removed and relocated, in a manner to prevent any damage to the removed items.

The signs designated for relocation shall be carefully stockpiled or stored by the contractor. Any signs identified to be relocated that are damaged or destroyed by the contractor shall be replaced by the contractor at the contractor’s expense.

The contractor shall install the relocated signs on utilizing the Sign Mount Assemblies (Flag

Mounted) covered in Item 6072001 at the locations identified in the project plans.

3. METHOD OF MEASUREMENT:

REMOVE AND RELOCATE SIGN shall be measured by unit Each (EA) for the removal, handling, stockpiling, and relocation (installation) of the signs as described above.

4. BASIS OF PAYMENT:

The accepted quantity of REMOVE AND RELOCATE SIGN, measured as provided above, shall be paid at the contract unit price, which shall be full compensation for the work completed in place.

ITEM 2020205 - REMOVE AND SALVAGE TRAFFIC SIGNAL FACE

1. DESCRIPTION:

The work under this item consists of removal, salvage and/or reinstall existing traffic signal indications and their associated mounting assemblies at the locations specified in the project plans.

2. MATERIALS:

Existing materials to be relocated and found to be unsatisfactory by the Engineer shall be replaced with new material and will be paid for in accordance with the requirements of Subsection 109-4.

3. CONSTRUCTION REQUIREMENTS:

The contractor shall carefully dismantle and remove the existing signal head in such a manner to protect existing signal conductors in place.

The contractor shall protect in place all existing mounting assemblies defined to remain in place, unless otherwise specified in the project plans.

The contractor shall carefully remove, salvaged and stored the existing signal heads designated in a manner as to prevent any damage. Existing signal heads identified to be salvaged or reinstalled that are damaged by the contractor shall be replaced by the contractor at the contractor’s expense at no additional cost to the City.

Existing signal heads identified for relocation shall be installed at the locations shown in the plans.

All signal heads identified to be removed shall be salvaged and delivered to the following location:

City of Tucson - Electric Shop at West 40 Storage Area

4004 S. Park Avenue

Tucson, Arizona

(520) 791-3194

The contractor shall notify the City Electric Shop 72-hours in advance of delivery of salvaged material.

4. METHOD OF MEASUREMENT:

REMOVE AND SALVAGE TRAFFIC SIGNAL FACE shall be measured by unit Each (EA) for the removal, salvaging, and/or reinstallation.

5. BASIS OF PAYMENT:

The accepted quantity for REMOVE AND SALVAGE TRAFFIC SIGNAL FACE, measured as provided above, will be paid for at the contract unit price, which shall be full compensation for the work, including costs to storage, hauling, coordination, and delivery of salvaged material.

SECTION 607 - SIGN SUPPORTS

ITEM 6072001 - SIGN MOUNT ASSEMBLIES (FLAG MOUNTED)

1. DESCRIPTION:

The work under this item consists of furnishing and installing flag pole mounted assemblies required for the installation of metro street name signs at the locations identified on the project plans.

2. MATERIALS:

All material shall conform to the requirements of these special provisions and in accordance with

Pima County and City of Tucson Signing and Pavement Marking Manual, Sheet 4.6A.

The materials include (but are not limited to) back brace assemblies, horizontal sign supports, sign hangers, and sign bracing equipment.

The back-brace assembly shall consist of two half-circle galvanized clamps, sized appropriately to fit on the traffic signal pole. Traffic signal pole type is specified in the project plans. The two clamps shall be 8 inches in height, fabricated from ¼ inch thick galvanized steel, and assembled together utilizing four ½ inch galvanized bolts with appropriate washers. One side of the back-brace assembly shall have a 5/8-inch x 1 ¼ inch cup point set screw for securing the brace to the traffic signal pole. The street side of the two-part back-brace assembly shall be reinforced for support by ¼-inch steel gussets welded to both the back-brace assembly and the horizontal sign support as shown in Chapter 4 of the Pima County / City of Tucson Signing and Pavement Marking

Manual. Clamp connecting bolts shall be high strength ASTM designation A325. Clamp material to be ASTM designation A36. (36.0 KSI minimum yield strength).

The horizontal sign support shall be comprised of a 2 ½” schedule 40 galvanized pipe, 9 feet in length, in general conformance to the project plans and Detail 4.6 of the Pima County / City of

Tucson Signing and Pavement Marking Manual.

The complete back brace assembly and horizontal sign support shall be hot dip galvanized.

The metro street name sign panel shall be suspended by two hangers, banded to the 2 ½ inch diameter horizontal sign support. The hangers shall be a minimum of 1/4” thick and shall be manufactured from 6061-T6 aluminum or better. All hardware used to attach the hangers to the signs, such as bolts, screws, and locking devices shall be 304 or 305 stainless steel. The nuts shall be nylon or polymer insert lock nut types. The mast arm bracket shall be a Z.A.P. SA-1000 (ZAP

Manufacturing, Inc.) or approved equal.

The metro sign panel shall be stabilized by bracing equipment, consisting of a metal stabilizing bar, min. 72 inches in length and 1.5 inches wide, and two 12 inch by 1.25 inch flat metal braces, as shown on the project plans and Chapter 4 of the Pima County / City of Tucson Signing and

Pavement Marking Manual. The thickness of the metal bar shall span the entire length of the sign and be sufficient to prevent the sign from bowing, waving or bending while suspended from the hangers. Chapter 4 of the Pima County / City of Tucson Signing and Pavement Marking Manual illustrates a flat metal bar, however, the metal stabilizing bar may be an angle iron. The method for stabilizing and holding the sign rigid shall be approved by the Engineer prior to fabrication and installation.

The contractor shall submit shop drawings and/or equipment lists to the engineer for approval prior to the installation of any new equipment.

3. CONSTRUCTION DETAILS:

The horizontal sign support attached to the back brace shall be installed so that the sign is horizontally mounted. Minimum mounting height shall be 24 ft from roadway surface to the horizontal sign support.

The back-brace assembly shall be firmly attached to the traffic signal pole and set in place using the set screw.

The metro sign panel shall be sandwiched between the stabilizing bar and the two 12-inch metal braces, so as to prevent the sign from bowing, waving or bending while being supported by the hangers, as shown on the project plans and Chapter 4 of the Pima County / City of Tucson Signing and Pavement Marking Manual. The sign panel and the bracing equipment shall be centered between two hangers, as shown on the project plans and Detail 4.6 of the Pima County / City of

Tucson Signing and Pavement Marking Manual. A minimum of six 3/8” bolts shall affix the sign to the bracing equipment and hangers.

The hangers for the metro sign shall be banded to the 2 ½ inch diameter horizontal sign supports.

The hangers shall be configured in such a manner so that the centerline of the horizontal sign support is on the centerline of the sign itself. The sign mounted with the hangers shall suspend perfectly vertical relative to the roadway. The entire unit will be able to swivel to 75 degrees in both directions, have hinges that are self-lubricating and with anti-rotation for pivot bolts and assemblies. The mast arm bracket shall be a Z.A.P. SA-1000 (ZAP Manufacturing, Inc.) or approved equal.

4. METHOD OF MEASUREMENT:

The SIGN MOUNT ASSEMBLIES (FLAG MOUNTED) will be measured by the unit EACH.

The metro street name sign panels shall be measured and paid for separately under a separate item.

5. BASIS OF PAYMENT:

The accepted quantities of the sign mount assembly, measured as provided above, will be paid for at the contract unit price, complete in place.

SECTION 608 - SIGN PANELS

ITEM 6080051 - METRO NAME SIGN WITH FLAG MOUNT

1. DESCRIPTION:

The work under this item consists of supplying and installing metro street name sign panels at the locations identified in the project plans.

2. MATERIALS:

All materials shall conform to the requirements of Section 608 and these special provisions.

Sign panels shall be fabricated from 0.125-inch thick, 5052-H38 Aluminum Alloy conforming to the requirements of ASTM B 209.

Retroreflective sheeting shall conform to the requirements of Section 1007, specified herein and shall be ASTM Type XI. The contractor shall apply white reflective sheeting to the stabilizing bar and 12-in braces to provide a uniform rectangular border for the sign.

Signs shall be double-faced, such that the reflective material and legend are visible from both approaches.

Sign formats and layout shall conform to the details shown in the project plans and conform to the requirements below. Sign formats shall be approved by the Engineer prior to fabrication.

- Use of the cardinal direction in the upper left corner;

- All street names will have initial capital letters followed by lower case lettering;

- Block numbering

The standard panel will be 18-inches. Lettering size shall be as indicated on the plans.

3. CONSTRUCTION DETAILS:

Construction shall conform to the requirements of Section 608 and these Special Provisions.

The Metro Street Name sign panels shall be mounted on flag mount assemblies as described in

ITEM 6072001, SIGN MOUNT ASSEMBLIES (FLAG MOUNTED).

Signs shall be mounted so they are leveled vertically relative to the roadway. The entire unit will be able to swivel to 75 degrees in both directions, have hinges that are self-lubricating and with anti-rotation for pivot bolts and assemblies.

4. METHOD OF MEASUREMENT:

METRO NAME SIGN PANELS WITH FLAG MOUNT will be measured by the Square Foot for each sign panel. Each sign panel will be measured to the nearest square foot. Measurement will be made only once for two-sided sign panels.

5. BASIS OF PAYMENT:

The accepted quantities of each type of METRO NAME SIGN PANELS WITH FLAG MOUNT, measured as provided above, will be paid for at the contract unit price, complete in place. Payment shall be made on the total area of each type of sign panel to the nearest square foot.

SECTION 701 - MAINTENANCE AND PROTECTION OF TRAFFIC

701-1 DESCRIPTION: of the Standard Specifications is revised to add:

The contractor shall be responsible for the control, direction, and safety of vehicular and pedestrian traffic in all work areas, and shall provide all necessary equipment and personnel for this work.

Traffic control and site access arrangements shall be subject to the approval of the owner and governmental agency with jurisdiction of the jobsite.

701-4 METHOD OF MEASUREMENT: of the Standard Specifications is revised to read:

Basic Maintenance and Protection of Traffic, Construction Elements, Flagging Services, and

Provide Detours will be measured as a single, complete, lump sum Item 7010005 – TRAFFIC

CONTROL.

Basic maintenance and protection of traffic shall consist of the preparation and approval of a traffic control plan, flagging services and furnishing, installing, maintaining, moving, and removing barriers, barricades, warning signs, delineators, lights, cones, installation of temporary pavement markings for the maintenance of traffic and/or construction sequencing, the removal of existing pavement markings and raised pavement markers by obliteration, the covering of any existing signs, impact attenuation devices, and other traffic control devices in order to provide safe and efficient passage through and/or around the project construction site and protect the public and workers from injuries and property damage for the duration of the project. The cost for maintaining all traffic control materials, labor and equipment is included under lump sum Item

7010005 - Traffic Control, except for bid Items 7010025 - FLASHING ARROW PANNEL, 7010027 - CHANGEABLE MESSAGE BOARD, and 7010077 - FLAGGING SERVICES

(UNIFORMED OFFICER) (OFF DUTY). Flashing Arrow Panel and Changeable Message Board will be measured separately as Each/Day, and Flagging Services will be measured as Hour.

701-5 BASIS OF PAYMENT: of the Standard Specifications is revised to read:

The accepted quantity of Basic Maintenance and Protection of Traffic and Construction Area

Elements will be paid for at the contract lump sum price under Item 7010005, TRAFFIC

CONTROL. The lump sum bid price submitted by the contractor shall be full compensation for the work of maintenance and protection of traffic and work site access planning and control. The lump sum bid price shall also be estimated for the entire duration of the contract time that accounts for both the contract working days and non-working calendar days.

The accepted quantities for Flashing Arrow Panel, Changeable Message Board and Flagging

Services, measured as provided above, will be paid for at the contract unit price included in the bidding schedule. Price adjustment for variation in total bid quantity per Subsection 109-3 and

109-4 of the Standard Specifications do not apply to work under these bid items.

Adjustments in compensation for the original contract period will not be made to the lump sum

Item 7010005 - Traffic Control. The lump sum amount of this item of work will be paid to the contractor for the original contract period regardless of the contractor’s construction schedule;

early construction completion; impacts to the contractor’s construction schedule critical path;

increase or decrease in line item quantities; weather limitations; utility conflict; material change in the character of the work; etc.

Adjustments in compensation for work performed after the expiration of the original contract period and within an approved contract time extension will be made at the discretion of the

Engineer for the approved time extension period.

SECTION 732 - ELECTRICAL MATERIAL AND SERVICE

732-3 CONSTRUCTION DETAILS:

732-3.01 Conduit: of the Standard Specifications is modified to add: All unused conductors and cables shall be removed from existing conduits.

732-3.01(G) Placement: of the Standard Specifications is modified to add:

732-3.04(C)(3) Pre-Empt Cable: of the Standard Specifications is revised to read:

Each preempt cable shall be identified with one wrap of colored tape to indicate the direction of travel. Taping shall be color coded in the same manner as detector lead in cables.

732-3.04(D) Testing: of the Standard Specifications is modified to add:

The installation shall be free from short circuits. Tests shall be made in the presence of the project inspector. The entire system shall have an insulation test with a 1000-Volt “megger” system. In no case shall the insulation test be less than five megohms.

732-3.04(E) Unused Conductors: is hereby added to the Standard Specifications:

Pull all unused conductors out of circuits.

732-5.02 Conductors (For Signals and Integral Street Lighting): of the Standard

Specifications is modified to add:

The contractor shall provide all electrical conductors for the traffic signal including pre-empt, as indicated on the plans.

Measurement and payment for the installation of all electrical conductors shall be paid for as a lump sum for each traffic signal location and there shall be full compensation for all equipment, labor, and incidentals necessary to accomplish the intent of this work.

ITEM 7320601- CONDUCTORS, SIGNAL/LIGHTING (29TH AND CRAYCROFT)

ITEM 7320602- CONDUCTORS, SIGNAL/LIGHTING (29TH AND SWAN)

ITEM 7320604- CONDUCTORS, SIGNAL/LIGHTING (GOLF LINKS AND SWAN)

ITEM 7320605- CONDUCTORS, SIGNAL/LIGHTING (GRANT AND SWAN)

ITEM 7320606- CONDUCTORS, SIGNAL/LIGHTING (RIVER AND HACIENDA

DEL SOL)

ITEM 7320607- CONDUCTORS, SIGNAL/LIGHTING (ROGER AND FLOWING

WELLS)

ITEM 7320608- CONDUCTORS, SIGNAL/LIGHTING (VALENCIA AND SANTA

CLARA)

ITEM 7320609- CONDUCTORS, SIGNAL/LIGHTING (VIA INGRESSO AND

MISSION)

ITEM 7320610- CONDUCTORS, SIGNAL/LIGHTING (WRIGHTSTOWN AND

PANTANO)

1 DESCRIPTION:

The work under these items consists of furnishing and installing traffic signal/lighting conductors, intersection lighting conductors, detector cable, and other necessary conductors at each location and as specified in the project plans.

2 MATERIALS:

Materials shall conform to the requirements in Subsection 732-2 of the Standard Specifications.

3 CONSTRUCTION REQUIREMENTS:

Conductors shall be installed in accordance with the requirements of Subsection 732-3 of the

Standard Specifications and as specified in the project plans for each location.

New conductors are required for installation within existing signal poles and/or arms due to new and relocated signal heads.

No new conductors shall be pulled through existing conduit, except for the Roger and Flowing

Wells location.

The contractor shall utilize special care to protect existing conductors proposed for reuse during the removals of signal heads, poles, and/or mast arms at the locations specified in the project plans.

Any damage to existing conductors by the contractor will be replaced with new conductors at the contractors’ expense and at no additional cost to the City.

The contractor shall coordinate all splicing activities with the Engineer. Prior to working at each location, the contractor shall notify the City of Tucson Electric Shop a minimum of 5 working day to coordinate work and schedule inspection.

4 METHOD OF MEASUREMENT:

CONDUCTORS will be measured as a complete unit of work per intersection location.

5 BASIS OF PAYMENT:

The agreed upon quantity for CONDUCTORS, measured as provided above, will be paid for at the contract lump sum price, which price shall be full compensation for the work, complete in place, including cost to protect and reuse of existing conductors.

ITEM 7320612- TRAFFIC SIGNAL GENERAL CONDUCTORS ALLOWANCE

1 DESCRIPTION:

The work under this section will cover general conductor work added to the contract by the

Engineer during the course of construction. General Conductor allowance shall be for work that was not covered by other items included in the project related to the traffic signal conductors.

2 MATERIALS:

Conductors shall meet the material requirements for like items as herein before specified, as directed by the Engineer, or as designated in the special provisions.

3 CONSTRUCTION REQUIREMENTS:

A Letter of Agreement shall be created by the Engineer after an agreed upon cost proposal has been submitted by the contractor for the proposed work. All work under this item shall be as directed by the Engineer.

4 METHOD OF MEASUREMENT:

General Conductor work that is not identified in the plans or specified list of items shall be measured by the dollar unit. The predetermined price within the bidding schedule, ITEM 7320612, TRAFFIC SIGNAL GENERAL CONDUCTORS ALLOWANCE, is only an allocated cost. No measurement shall be made of costs not agreed upon or of an unused portion of this item. The work under this item shall be completed on an extra work basis, in conformance with the provisions of Subsection 109-5.

5 BASIS OF PAYMENT:

The agreed upon quantity of ITEM 7320612, TRAFFIC SIGNAL GENERAL CONDUCTORS

ALLOWANCE, paid for as measured above, shall be paid for based only on approved Letters of

Agreement. No payment will be made for the unused portion of this item. Payment for incidental items of work will be made in accordance with the provisions of Subsection 109-5.

ITEM 7320820- BATTERY BACK UP POWER SYSTEM

1 DESCRIPTION:

The work under these items consists of a battery backup power system at each location and as specified in the project plans.

2 MATERIALS:

Materials shall conform to the requirements in Subsection 732-2 of the Standard Specifications.

3 CONSTRUCTION REQUIREMENTS:

The contractor shall deliver the Battery Back Up System to the Electric Shop. The contractor shall coordinate the delivery with the Engineer. The contractor shall notify the City of Tucson Electric

Shop a minimum of 5 working days to coordinate delivery and to schedule completion of work.

The City will install the Battery Back Up System in the control cabinet.

4 METHOD OF MEASUREMENT:

BATTERY BACKUP POWER SYSTEM will be measured for each item furnished and installed.

5 BASIS OF PAYMENT:

The agreed upon quantity for the BATTERY BACKUP POWER SYSTEM, measured as provided above, will be paid for at the unit price, which price shall be full compensation for the work, complete in place, including cost coordination and delivery of materials.

SECTION 733 - SIGNAL INDICATIONS AND MOUNTING ASSEMBLIES

733-2 MATERIALS: the first paragraph of the Standard Specifications is modified to add:

Signal faces shall be made of aluminum when mounted on mast arms. Signal faces made of polycarbonate material will be used at pole mountings upon approval of the Engineer or when designated in the bid schedule and project plans.

733-2.01(A)(1)(d) Lamps: of the Standard Specifications is modified to add:

Referenced vehicle type LED modules shall fit in all standard, incandescent vehicle signal housings. Each module shall be complete and shall incorporate a red lens for red module, green lens for green module, yellow lens for yellow module, and red, yellow, and green arrow lens for respective arrow module.

733-2.01(A)(4) Backplates: of the Standard Specifications is modified to add:

Contractor-supplied backplates shall be louvered.

733-2.01(C)(1) General: the last sentence of the second paragraph of the Standard

Specifications shall be deleted.

733-2.01(C)(4) Environmental Requirements: the first paragraph of the Standard

Specifications is revised to read:

The module should be rated for use in ambient operating temperature range of minus 40 degrees

F (minus 40 degrees C) to 165 degrees F (74 degrees C).

733-2.01(C)(6) Documentation and Warranty: the last paragraph of the Standard

Specifications shall be deleted.

733-2.04 Pre-Empt Sensors and Beacons: of the Standard Specifications is modified to read:

The pre-empt beacon shall be an industrial type strobe beacon with a 2-1/2 inch (65 millimeters) diameter, Fresnel type, clear optic lens and xenon flash tube lamp having an 80 flash per minute

9FPM) flash rate and minimum 15 joules per flash. Power consumption of the pre-empt beacon shall be approximately 0.3 amps. The pre-empt beacon shall be 6 inches (150 millimeters) high, exclusive of mount, and 4-3/4 inches (119 millimeters) galvanized pipe.

Unless otherwise specified, the beacon shall be mounted as part of a Pre-emption Sensor and

Beacon Assembly in accordance with Standard Detail T- 1902.

733-2.05 Mounting Assemblies: the third paragraph of the Standard Specifications is revised to read:

A terminal compartment shall be assembled in the mounting brackets as shown in the Standard

Drawings. The terminal compartment shall be manufactured of bronze.

733-3 CONSTRUCTION DETAILS: the sixth paragraph of the Standard

Specifications is revised to read:

Pre-empt sensors and pre-empt beacons shall be installed at the locations show on the plans. Unless otherwise specified, the pre-emptions sensor units shall be mounted as part of the Pre-emption

Sensor and Beacon assembly in accordance with Standard Detail T-1902. The Pre-emption Sensor and Beacon shall be mounted on the mast arm approximate 36” from the traffic signal head closest to the #1 lane with a 1” NPT close nipple and locking nut in accordance with Standard Detail T-

1902. Installation of the sensor shall be such that line-of-sight transmissions from approaching emergency vehicles are not blocked by the back plate. The pre-emption sensor cable shall be routed through the Pre-emptions Sensor and Beacon assembly and connected to the pre-emption sensor unit’s terminals in accordance with the manufacturer’s instructions and Standard Detail T-1901. If the manufacturer’s instructions and Standard Detail T-1901 differ, the manufacturer’s specifications shall govern. The pre-empt beacon wires shall be routed into the weatherproof 2-gang box portion of the pre-emption sensor beacon assembly and connected to the pre-emption beacon field wires with wire nuts.

ITEM 7330370- TRAFFIC SIGNAL MOUNTING ASSEMBLY (SKYBRAC)

1 DESCRIPTION:

The work under this item shall consist of Sky Bracket mounting assemblies at the locations identified in the project plans

2 MATERIALS:

The contractor shall furnish and install Sky Bracket mounting assemblies with new and relocated signal heads and as specified in the project plan.

3 CONSTRUCTION REQUIREMENTS:

All equipment shall be furnished and installed by the contractor in accordance with the manufacturer’s recommendations, including drilling new holes for signal heads on the signal mast arms.

4 METHOD OF MEASUREMENT:

TRAFFIC SIGNAL MOUNTING ASSEMBLIES (SKYBRAC) will be measured for each mounting assembly furnished and installed.

5 BASIS OF PAYMENT:

The agreed upon quantity for TRAFFIC SIGNAL MOUNTING ASSEMBLIES (SKYBRAC), measured as provided above, will be paid for at the unit price, which price shall be full compensation for the work, complete in place, including cost of drilling new holes in the traffic signal mast arms and all other necessary work required to complete the installation.

ITEM 7330500 - PRE-EMPT BEACON

ITEM 7330510 - PRE-EMPT SENSOR

1 DESCRIPTION:

The work under this item shall consist of Pre-Empt Beacons and/or Pre-Empt Sensors at the locations identified in the project plans

2 MATERIALS:

The contractor shall furnish Pre-Empt Beacons and/or Pre-Empt Sensors as specified in the project plan, including devices, mounting assemblies, and cabling, and these Special Provisions.

3 CONSTRUCTION REQUIREMENTS:

All equipment shall be furnished and installed by the contractor in accordance with the manufacturer’s recommendations, including drilling new holes on the signal mast arms and wiring.

4 METHOD OF MEASUREMENT:

PRE-EMPT BEACON and PRE-EMPT SENSORS will be measured for each item furnished and installed.

5 BASIS OF PAYMENT:

The agreed upon quantity for PRE-EMPT BEACON and PRE-EMPT SENSORS, measured as provided above, will be paid for at the unit price, which price shall be full compensation for the work, complete in place, including cost of drilling new holes in the traffic signal mast arms and all other necessary work required to complete the installation.

SECTION 734 - TRAFFIC SIGNAL CONTROLLER ASSEMBLY

734-1 DESCRIPTION: of the Standard Specifications is revised to read:

The traffic signal controller cabinet shall also include an Agency provided uninterrupted power supply if indicated on the plans.

734-3 CONSTRUCTION DETAILS: of the Standard Specifications is modified to add:

The control cabinet shall be installed such that the doors face away from the street. The exact location of the control cabinet shall be closely coordinated with the City of Tucson Electrical

Inspector.

The contractor shall pick up the control cabinet from the City of Tucson Electric Shop, transport it to the project site, and install.

734-5 BASIS OF PAYMENT: of the Standard Specifications is modified to add:

Pick-up and transport of the control cabinet is included in the unit bid price for installing each furnished control cabinet. No separate payment will be made for pick-up and transport.

ITEM 7340101- CONTROL CABINET

1 DESCRIPTION:

The work under these items…