TECHNICAL SPECIAL PROVISIONS

Transcription

1 TECHNICAL SPECIAL PROVISIONS FOR CITY OF TALLAHASSEE ADVANCED TRANSPORTATION MANAGEMENT SYSTEM OCTOBER 2004

2 TECHNICAL SPECIAL PROVISIONS FOR CITY OF TALLAHASSEE ADVANCED TRANSPORTATION MANAGEMENT SYSTEM OCTOBER 2004 APPROVED BY: Not signed yet Allen Secreast, P.E. Date City Traffic Engineer Florida PE # Total Pages

3 TABLE OF CONTENTS General Section 102 Maintenance of Traffic Section 603 General Requirements for Equipment, Materials and Evaluation Section 611 Acceptance Procedures District 3 TSP Modified for Tallahassee/Leon County Section 630 Conduit Section 632 Cable (Fiber Optic Interconnect) Section 634 Messenger Wire Section 635 Fiber Optic Junction Box Section 641 Concrete Strain Poles Section 647 Mast Arm Combinations, Standard Section 650 Vehicular Traffic Signal Assemblies Section 653 Pedestrian Signal Assemblies Section 660 Inductive Loop Detectors Section 670 Traffic Controller Assemblies Section 671 Actuated Solid State Digital Controllers Section 672 Traffic Controller Assemblies Section 673 Solid State Digital Microprocessor Controllers Section Actuated Controller Cabinet, Type 660 AT Section 678 Controller Accessories Section Conflict-Voltage Monitor Section Solid State Load Switch Section Solid State Flasher Section Power Supply Module Section Power Distribution Assembly Section Output File Section Transfer Relay Section Input Files Section Two Channel DC Isolator Section Two Channel AC Isolator Section Current Monitor Section 681 Controller Software Section Fiber Optic Cable Furnish and Install Section Fiber Optic Cable Furnish Only Section 685 System Auxiliaries Section Telemetry Receiver Section Fiber Optic Modem Specification Section 686 Video Monitoring Subsystem Glossary TATMS - Technicial Special Provisions

4 TECHNICAL SPECIAL PROVISIONS FOR THE CITY OF TALLAHASSEE ADVANCED TRANSPORTATION MANAGEMENT SYSTEM REVISION OCTOBER 2004 These Technical Special Provisions (TSP) expand the current Florida Department of Transportation's Standard Specifications for Road and Bridge Construction in areas as described in this document. Any area not covered by these technical special provisions shall be referenced to the Florida Department of Transportation's Standard Specifications for Road and Bridge Construction, the District Three (3) TSP S, and Florida Department of Transportation's Minimum Specifications for Traffic Control Signal Devices July These technical special provisions are to replace any previous specifications or special provisions of the City of Tallahassee Traffic Control System Field Equipment. GENERAL NOTES 1. Traffic Control Assemblies The Traffic Control Assembly described in these Tallahassee TSP s represents major changes from the previous versions. A Certificate of Conformance (COC) certification number shall be placed inside the every cabinet built to this TSP. All Traffic Controller Assemblies SHALL meet the conditions of these Technical Special Provisions for use within the City of Tallahassee and Leon County Traffic Signal Systems. 2. Electrical Services: Any Signalized Intersection(s) within Leon County that requires a new electrical service to be built or replaced SHALL require the Contractor to secure all permits. The Contractor shall be required to coordinate with the City of County and set up the utility account that is to be transferred to the City or County. After FINAL acceptance and the maintenance turned over to the City or the County, the City of County shall be responsible for payment of electrical power consumed. TATMS - Technical Special Provisions

5 3. Controller phasing of the intersection: The controller phasing of the intersection(s) shall conform to the following phasing. On a roadway that the major street is in the northsouth orientation, then controller phase 2 SHALL be north bound as the traffic flows. On a roadway that the major street is in the east-west orientation, then controller phase 2 SHALL be west bound as the traffic flows. Any roadway that has one leg of the major movement in more of a north-east or north-west orientation, then that roadway shall be deemed to be a north-south roadway. Likewise, if one leg of the major movement is more in a north-west to south-west orientation, then that roadway shall be deemed to be an east-west roadway. 4. Signal Cable Color Codes: The Contractor shall coordinate all Signal Cable Color Codes with the COT-TE Signal Construction Supervisor if not so identified in the charts that are included in these TSP. 5. Sidewalk Fiber Optic Duct: In new construction or any existing roadway project that includes the addition of sidewalk being added within the limits of the project then a fiber optic duct, (4 inch diameter) Schedule 40 PVC Duct] shall be installed under a sidewalk through the entire length of all new roadway projects. The fiber optic duct bank shall be installed only on one side of the roadway and not both unless spelled out in the contract. 6. Fiber Optic Conduit: The conduit installed shall contain a 1-1/4 inch ribbed inner-duct installed in all 4 inch diameter conduit. The conduit shall have a #12 or larger copper wire installed for the purpose of locating the fiber cable. This pull wire shall be bonded together at all pull boxes. 7. Fiber optic specifications: The details the specifications of the fiber optic cable to be used in this project are in Section 684 of these TSP. 8. Large pull boxes: There shall be large pull boxes as described in Section 635 of these TSP installed at least every 400 feet throughout the length of the duct line. 9. Vehicle Loop Detection --In the design stage of a project, the design engineer may elect to provide video detection equipment in lieu of replacement of the vehicle loops at an intersection. Any Video Detection System that is on the Approved Products List of the State of Florida with a current Certificate of Conformance certificate (COC) and that conforms to the rack mount or size requirements of the City of Tallahassee s 170 Traffic Controller Assemblies shall be approved for use in Tallahassee Leon County. The City of Tallahassee currently uses and operates the Econolite AutoScope Solo Pro system, Traficon VIP3 Vehicle Presence Detectors, and Itreris Vantage Edge2 system. Should another brand of equipment be selected for use in the field, then the first system shall include all equipment and software plus 40 hours of training necessary to set up, modify and use the system. The video detection set up equipment shall become the property of the FDOT or the City of Tallahassee depending upon the funding of the intersection equipment at the completion of the project. All Field equipment shall be considered the assets of the intersection and shall be included in the normal maintenance of the intersection. TATMS - Technical Special Provisions

6 10. Destruction of Vehicle Loops: All existing Traffic Signal intersections that have the Traffic Signal Loops Cut or Destroyed due to construction, the Contractor shall notify the COT Traffic Engineer of cutting or destruction at least twenty-four (24) hours in advance of such destruction. The Contractor shall install a Video Detection System and shall have operational within thirty-six (36) hours of said destruction. 11. Video Detection: In the case where a video detection system is employed, the contractor may elect, if approved by the FDOT and the COT, to transfer ownership of all such detection equipment at the completion of the project in exchange for eliminating restoration of traffic signal loops at subject intersection. 12 Traffic Signal Heads: All Traffic Signals Heads shall employ the use of LED s (Light Emitting Diodes). The Red and Green colors shall be as approved by the Florida Department of Transportation. The yellow color shall conform to the ITE (Institute of Transportation Engineers) standards for light output. See Section Training: The City of Tallahassee Traffic Engineering Division is the major user of this equipment and shall be the party in determining whether a vendor that manufacturers the traffic signal controller assemblies is currently or has been under a City of Tallahassee Annual Price Agreement (COT/APA) for traffic signal controller assemblies within the past two (2) years. If that vendor has not been under a COT/APA at the time of the purchase and/or project, then the City of Tallahassee MAY require the Vendor to do the following: Arrange for at least twenty-four (24) hours of training sessions in the City of Tallahassee for the maintenance personnel of the City and of any personnel from the Florida Department of Transportation as recommended by the Traffic Operations Engineer from District Three. The training sessions will cover controllers, fiber optic modems, telemetry transceivers or any other specialized equipment that may be furnished with the installation of a traffic signal/camera location. This school will be scheduled within 60 days following the delivery of equipment. There shall be no tuition charge for the participants to attend these sessions. Expenses involving travel, meals and lodging shall be sustained by the attending personnel. The vendor shall have materials available for a minimum of six participants. 14. Video Subsystem: The Tallahassee Advanced Transportation management System (TATMS) details of the specifications for the video subsystem are included in Section 686 of these TSP. TATMS - Technical Special Provisions

7 SECTION 102 MAINTENANCE OF TRAFFIC The following section of the Florida Department of Transportation Standard Specification for Road and Bridge Construction 2000 and supplements thereto are expanded as follows: Sub-article , Traffic Control, Maintenance of Devices and Barriers, is expanded by the following: (a) Scope: The Contractor shall have full responsibility for maintenance of traffic and maintenance of all traffic control devices at each intersection in the contract from the time that any type of work is started at the intersection until final acceptance occurs at the end of the burn-in period. This maintenance responsibility shall begin at the time work starts at the intersection regardless of the nature of the work and whether or not this work is related in any way to the operation of the intersection signals. (b) Documentation of Maintenance Assumption: At each intersection, the Contractor shall document the date and time that maintenance is assumed by the Contractor and the date and time that maintenance responsibilities are returned to the Maintaining Agency. This information shall be submitted to the Engineer at the end of each week. A copy shall be provided to the Maintaining Agency at the same time. (c) Documentation of Location of Work: The Contractor shall provide a listing of the locations where work is to be performed during the next two (2) weeks period. The list shall include a brief description of the type of work to be performed at each location. This weekly report shall be provided to the Engineer on Wednesday of the week preceding the first week of the report. A copy of this report shall be provided to the Maintaining Agency at the same time. TATMS Technical Special Provisions

8 (d) Maintenance of Maintenance Records: The Contractor shall maintain complete maintenance records on each trouble call received and shall record at least the following information: 1. Source of trouble call 2. Date and Time each call is received 3. Date and Time each call is dispatched to maintenance crew 4. Date and Time maintenance crew arrives at the location 5. Date and Time of completion of temporary repair 6. Date and Time of completion of permanent repair 7. Description of trouble and repair 8. Name, Title and IMSA # of person effecting repair 9. Name of person dispatching calls These records must be kept on individual sheets to be supplied by the Maintaining Agency. One sheet is required for each trouble call. The sheets shall be filed, by location, by the Contractor and submitted to the Engineer at the end of each week. A copy shall also be supplied to the Maintaining Agency at the same time. (e) Temporary Controllers: The Contractor shall provide and install a temporary controller and, where necessary, a cabinet at those intersections where the existing controllers must be temporary taken out of service. The temporary controller shall be capable of providing the same basic phasing (vehicle and pedestrian phases) and intersection and communications operation provided by the controller being removed. Temporary controllers shall NOT be pretimed equipment. Special functions such as preempt shall be provided where possible. Temporary controllers furnished by the Contractor shall remain the property of the Contractor. (f) Response to Trouble Calls: The Contractor shall employ qualified personnel who shall respond to all trouble calls and correct malfunctions within four (4) hours of receipt of the call. The Contractor shall provide the Engineer with a Tallahassee / Leon County telephone number which will be answered twenty-four (24) hours per day, seven (7) days per week by Contractor personnel or by an answering service that can contact the Contractor immediately. The Contractor shall notify the Tallahassee Police Department ( ) upon arrival at and again upon completion of all trouble calls. TATMS Technical Special Provisions

9 (g) Maintenance of Interconnected Operation: The Contractor shall provide a written plan for approval by the Engineer outlining his proposed method of maintaining coordinated operation of all intersections under this contract that are presently operating in a coordinated manner. Temporary retrofitted and new controllers are included in this requirement. Changes in progression (inbound, outbound and average) which presently occur on arterial streets on a time-of-day or traffic responsive basis are to be maintained on a time-of-day basis as a minimum. This requirement shall apply throughout the life of the contract until each signal is taken under system control by the Maintaining Agency. The Contractor s plan must reflect an absolute minimum of interconnection down-time for an existing interconnected intersection. Such periods shall never exceed more than two (2) days for any section of roadway where the Contractor is working. Temporary points of system discontinuity (interface between interconnected systems) will be permitted to the extent that they are necessary for the Contractor to stage his work. In no case will the Contractor be allowed to disrupt a new interconnected system until he has restored interconnection for the section already under construction. The method the Contractor chooses to use to duplicate the present coordinated operation shall be of his own design subject to review and approval by the Engineer. The Engineer will coordinate this approval with the Maintaining Agency. Any method which produces the desired result without serious detrimental side effects on public safety will be favorably considered. TATMS Technical Special Provisions

10 SECTION 603 GENERAL REQUIREMENTS FOR EQUIPMENT, MATERIALS AND EVALUATION The requirements of Article are expanded and modified as follows: Documentary items shall be furnished for the following equipment: (1) 170 Controllers (2) Loop Detector Sensor Units (3) Conflict-Voltage Monitors (4) Load Switch Packs (5) Flasher Units (6) Power Supply Module (7) AC and/or DC Isolator Units (8) Program Module (9) Power Distribution Assemblies (10) Auxiliary Output Files (11) Current Monitors (12) Fiber Optic Transceivers (13) Fire Preemption Telemetry Transceivers (14) Equipment with the following functions: (a) Logic (b) Timing (c) Communications (15) All other equipment called for in the Contract Documents Documentation shall be delivered no later than the equipment to which it pertains. The required number of sets of documentation is a function of the number of units delivered as follows: NUMBER OF UNITS OF EQUIPMENT NUMBER OF SETS OF DOCUMENTS or over 18 The Contractor shall supply to the Engineer, for use by the Engineer and the Maintaining Agency, four (4) paper copies and one AutoCAD, release 14 or later electronic copy format, of the cabinet wiring diagram for each intersection. The wiring diagram shall show all cabinet wiring, terminal strip and equipment connector termination s and terminal strip and equipment connector designations. Cabinet wiring diagrams shall show the complete wiring of cabinets with all components clearly identified as to function. All components in the cabinet shall be labeled according to their function and in such manner that they may easily be found in the wiring diagram. Test switches, reset switches and other control functions shall be clearly labeled as to their function. The manufacturer s name, serial and model numbers of the controller and associated equipment, the date installed and the signal group and/or project number shall be provided. These documents shall be contained in a pouch inside the pullout compartment of the cabinet. A list of equipment to be housed in each cabinet at each intersection shall be submitted to the Engineer and to the Maintaining Agency. TATMS Technical Special Provisions

11 The requirements of Section 603 are expanded by the following: QUALIFICATION OF WORKMEN: Due to the complexity of modern day traffic control equipment and operation, it is essential that those persons installing, operating and maintaining traffic control equipment be fully trained and qualified. Traffic control equipment is not only electrical, but also requires the Contractor and technicians to understand and diagnose problems with electronic equipment, including microprocessors and telemetry devices, and to understand and implement traffic signal timing and phasing. Therefore, the signal contractor who is engaged in installing traffic signals in the Maintaining Agency s jurisdiction within FDOT District III shall secure all permits for installation or revision work to the traffic signal location(s). These permits shall be secured by an individual possessing a Certificate of Competency as a Master Electrician. In addition, a Journeyman Electrician that is certified by the International Municipal Signal Association (I.M.S.A.), Level II or Higher, Traffic Signals (Electrical) shall be present on the job site at all times the traffic signalization work is in progress. The contractor that engages in maintaining traffic signal installations shall employ an individual that possesses certification by the International Municipal Signal Association (I.M.S.A.), as a Level III, Traffic Signals (Electronics). Likewise, the Contractor shall have technician(s) for the maintaining of the traffic signals that are under the direct supervision of the Level III individual. Their work shall be performed by an individual(s) certified by the International Municipal Signal Association (I.M.S.A.), Level II or Higher, Traffic Signals (Electronics). Either individual must be on the job site or able to respond within four (4) hours of notification of any problem or emergency which may arise. The Maintaining Agency requires all installations or revisions of traffic signal equipment installed under their direction to be performed by an individual possessing a Certificate of Competency as a Journeyman Electrician and certified by the International Municipal Signal Association (I.M.S.A.), Level II or higher, Traffic Signals (Electrical or Electronics). The City of Tallahassee shall assign either their Traffic Signal Construction Supervisor or their Traffic Signal Maintenance Supervisor to serve as their inspector on the job site during the inpection of any traffic signal installation. After the Traffic Signal installation has been accepted by the City of Tallahassee, the traffic signal maintenance shall be performed for the Maintaining Agency by certified technicians of IMSA Level II or higher (Electronics) and shall be under the direction of an individual that possesses certification by the International Municipal Signal Association (I.M.S.A.), as a Level III, Traffic Signals (Electronics). TATMS Technical Special Provisions

12 SECTION 611 ACCEPTANCE PROCEDURES DISTRICT 3 TSP MODIFIED FOR TALLAHASSEE/LEON COUNTY IV. ACCEPTANCE, INSPECTION AND TRANSFER Article of the Standard Specifications is expanded as follows: At the time of conditional acceptance of the project, the traffic signal(s) shall be inspected by the Traffic Operations Section of the Florida Department of Transportation located in Chipley, Florida and a representative of the maintaining agency. At that time, the Contractor shall furnish all necessary test equipment including a bucket truck, for the testing and inspection of traffic signals and loops. The Contractor shall complete the "Signalization Checklist", latest revision, prior to the time of the conditional acceptance inspection. This checklist is found in Appendix A of District Three's Standard Guidelines for Traffic Signal Design and Installation. This checklist along with the loop and grounding measurements will be sent to Mr. Gene Syfrett of Traffic Operations in Chipley and a copy shall be sent to the maintaining agency before the conditional acceptance signal inspection is scheduled. Final Acceptance of Traffic Signal Installation(s) and Transfer of Maintenance Form must be completed by the signal contractor, a representative of the maintaining agency, and the FDOT inspector at the end of the project. The form is available through the District Three Traffic Operations Office and in Appendix E of The Standard Guidelines for Traffic Signal Design and Installation. A copy of this completed form shall be sent to the maintaining agency. At the time of conditional acceptance of the project, the Contractor shall furnish the inspector three complete sets of as-built plans, with one set of these intended for delivery by the FDOT inspector to the maintaining agency. TATMS Technical Special Provisions

13 SECTION 630 CONDUIT The requirements of Section 630 are expanded and modified as follows: General Requirements, are expanded as follows: Polyvinyl chloride (PVC) plastic conduit shall be used for all new fiber optic service connections between the controller cabinets and the fiber optic service points. These connections shall be underground and the PVC conduit used shall be as stated in contract documents, (Schedule 40 Minimum). All references to fiberglass reinforced epoxy, bituminous fiber or other material as specified are to be deleted from this project. The conduit between the controller cabinets and the fiber optic service points shall not contain more than the equivalent of three (3) quarter bends or 270 degrees including the termination bends. The maximum distance between pull boxes shall be three-hundred ninety (390) feet. Bends in the fiber optic conduit shall have a minimum radius of three (3) feet Conduit size, is amended as follows: All conduit shall be made of intermediate metal or polyvinyl chloride (PVC) plastic. All PVC conduit used in cabinet bases shall be 2-inches minimum in diameter used for loops, signals and pedestrian signals, conduit used for power service only shall be 1 inch in diameter, rigid threaded galvanized steel, unless otherwise specified. Conduit for loose tube duct/aerial cable shall be installed for the complete project from patch panel to patch panel. The fiber optic cable shall be installed along a route consisting of underground conduit and aerial poles. If a project calls for new sidewalk to be installed in that project, then one 4-inch conduit will be installed in new sidewalk construction with pull boxes located at a maximum of 390 foot intervals. Should there be sidewalks installed both sides of the roadway, then only one sidewalk shall have the fiber optic conduit installed beneath it. The fiber optic duct bank shall be along the same side of the roadway in all sections unless directed to change sides of the roadway by the engineer. Should this be necessary, then connecting conduit across the roadway shall be installed. The size of the pull box shall be in accordance to pull box sizes as defined in Section 635 of these TSP s Conduit Termination s, is expanded as follows: Conduit entries into the fiber optic pull boxes shall be done in an industry approved manner. If the fiber optic service provider is not the Maintaining Agency, then the Contractor shall not remove the cover of the pull box unless a representative of the service provider is on-site to monitor and answer any question that the Contractor may have in reference to said location. TATMS - Technical Special Provisions

14 SECTION 632 CABLE (FIBER OPTIC INTERCONNECT) The requirements of Section 632 are expanded and modified as follows: General Requirements, are expanded as follows: 1.0 GENERAL REQUIREMENTS The City of Tallahassee requires Fiber Optic Cable as interconnect and therefore the bidders are required to perform various test(s) and other work as described in Section 684 of these TSP s. There shall be full documentation of all test performed on the fiber optic network. The fiber optic network will support voice, data (FDDI) and video communications. The installation and cable must be in accordance with the National Electric Code. 2.0 INSTALLATION A loose tube duct/aerial cable shall be installed for the complete project from patch panel to patch panel. The fiber optic cable shall be installed along a route consisting of underground conduit and aerial poles. If a project calls for new sidewalk to be installed in that project, then one 4-inch conduit will be installed in new sidewalk construction with pull boxes located at a maximum of 390 foot intervals. Should there be sidewalks installed both sides of the roadway, then only one sidewalk shall have the fiber optic conduit installed beneath it. The fiber optic duct bank shall be along the same side of the roadway in all sections unless directed to change sides of the roadway by the engineer. Should this be necessary, then connecting conduit across the roadway shall be installed. The size of the pull box shall be in accordance to pull box sizes as defined in Section 635 of these TSP s. 2.1 Aerial Installation The aerial cable will maintain a minimum of 18 feet in height over roadways and commercial driveways. The cable will be a minimum of 12 inches above other joint users such as CATV and 40 inches below the electric neutral. 5/16 inch stranded steel messenger shall support the cable. The cable will be self-supporting or lashed to the steel messenger. Cable installation shall conform to all NESC regulations. NOTE: The cable will vary from side to side down pole line to avoid trees. Rigid Conduit Risers will be installed when cable is to be installed down a pole. The rigid conduit shall be installed on the pole away from the side nearest any moving traffic. TATMS Technical Special Provisions

15 2.2 Underground installation When installing conduit a minimum of 36" of cover is required. A #12 awg or larger stranded copper wire will be installed in the conduit for the purpose of locating the fiber cable and as a pull wire.. A warning tape will be installed 12" above conduit. NOTE: A 1 1/4 inch corrugated inter-duct will be installed in all four inch conduit. A #12 awg wire will be installed parallel to fiber cable in all undergroud installations. 3.0 CABLE SPECIFICATIONS 3.1 See Section 684 of these TSP s. 4.0 TERMINATIONS AND TERMINATION HARDWARE 4.1 See Section 684 of these TSP s. 5.0 SPLICING 5.1 See Section 684 of these TSP s 6.0 SYSTEM TESTING 6.1 See Section 684 of these TSP s 7.0 DOCUMENTATION 7.1 See Section 684 of these TSP s TATMS Technical Special Provisions

16 SECTION 634 MESSENGER WIRE The following subsection shall be amended to this section: Description This section shall cover the work of furnishing and installing messenger wire, mounting hardware, grounding electrodes, and other materials as necessary to provide a support for fiber optic cable, in accordance with the provisions of the Section and the details included in the Plans Materials Messenger wire shall consist of a 7-wire stranded cable manufactured and provided with a Class A zinc coating in accordance with ASTM A475. Messenger wire shall be Extra High Strength, with a diameter of 0.3 inch and a tensile strength rating of I0M. All cable attachment hardware and materials shall be new. Cable attachment hardware and materials shall include, but not be limited to, pole attachment hardware, cable ties and straps, extension arms, and pole extensions. Reuse of existing cable attachment hardware is not permitted. Extension arms shall consist of galvanized steel brackets designed to support a messenger wire at a distance of up to 12 inches from the pole face. Extension brackets shall be as shown in the Plans. Extension arms shall be included in the cost of the messenger cable. Cable attachment hardware shall be in general conformance to the details shown in the Plans. Ground rod electrodes, where necessary, shall be copper-clad rods specially designed for use as grounding electrodes. Ground rod electrodes shall have a minimum diameter of 9/16 inches and a minimum length of 18 feet. Ground wire shall be No.8 AWG or larger solid copper wire. Ground electrodes shall be driven vertically into the adjacent undisturbed soil, to a depth such that the top of the ground rod is at least 6 inches below finished grade. All installation and construction work in or on City Electric facilities shall be in compliance with the National Electric Safety Code. Ground wire shall be securely attached to pole hardware or existing ground wire using clamps commonly used by the utility industry for such purposes. The ground wire shall be stapled at regular intervals to the wood pole. The ground wire shall be exothermically welded to the ground rod using a weld kit designed for this purpose. TATMS Technical Special Provisions

17 The Contractor shall measure the resistance to ground of the ground rod; a completed assembly shall measure less than 25 ohms. Additional extensions of ground rod electrode shall be installed if required to obtain this threshold Construction Requirements Messenger wire shall be attached to poles at the locations shown in the Plans. The Contractor shall make all installations in conformance to the safety requirements and standard practices of the National Electric Safety Code, the utility industry, and the pole owner. All installation and construction work in or on City Electric facilities shall be in compliance with the National Electric Safety Code. The messenger wire and supports shall be installed at a height and in a position on the support poles as indicated on the Plans, using standard suspension hardware. If the listed attachment height does not allow a clearance from the roadway of 18 feet or clearance from the ground or a driveway of 16 feet, or if safety clearances required by the National Electric Safety Code can not be attained, the Contractor shall notify the Engineer and adjustment will be made if required. The Contractor shall be responsible for locating and drilling all holes required for the attachment of the messenger wire to the poles. The Contractor shall not use any existing holes on utility poles without the authorization of the Engineer. The Contractor shall install messenger wire in segments; the messenger wire does not have to be continuous. The Contractor shall tension the unloaded messenger wire in accordance with the recommendations of the messenger wire and fiber optic cable manufacturers, to minimize the possibility of strand fatigue failure. Based upon these recommendations, vibration dampening weights may be required; the cost of furnishing and installing those weights shall be included within the cost of the messenger wire. All span tensions shall be measured and verified with a strand dynamometer or other approved measuring device in the presence of the Engineer. The messenger wire shall be bonded with bonding conductors and clamps to the pole's ground conductor at all poles to which the messenger wire is attached. Where a ground wire or ground rod does not exist, a new ground rod and or wire shall be installed as described above. Ground rods and ground wire shall be included within the cost of the messenger wire. Installations of messengers or cables on poles that create any unbalanced static forces on the poles will require the installation of the appropriate guy wire and anchor. The Contractor shall be responsible for obtaining appropriate permits, underground locations, and easements for installing the aforementioned guys. All installations of guys on City Electric facilities shall be in compliance with the National Electric Safety Code. Any required guys and guy hardware shall be included in the cost of the messenger wire. TATMS Technical Special Provisions

18 Any trimming of trees necessary to allow the installation of the messenger shall be performed by the Contractor and shall be included in the cost of the messenger wire. All tree trimming required around or near City Electric poles and lines shall be performed only by a qualified line clearance tree trimmer as defined in Sections and of the Occupational Safety and Health Administration (OSHA) Standard 29 CFR Additionally, tree trimming shall be in compliance with all current and applicable Leon County and City of Tallahassee environmental ordinances and policies. The Furnishing and Installation of Messenger Wire shall be measured in complete units consisting of the furnishing and installation of messenger wire, mounting hardware, bonding, ground rods as required, guys as required, extension arms as required, and all related hardware, and tree trimming, as defined in these Technical Special Provisions Basis of Payment UNIT PRICE COVERAGE The accepted work of furnishing and installing Messenger Wire, measured as noted above, shall be paid for at the contract unit price bid, which shall be full compensation for the satisfactory furnishing and installation of the wire in accordance with these Technical Special Provisions, and for all equipment, tools, labor, services, insurance, permits, and incidentals necessary to complete the work. TATMS Technical Special Provisions

19 SECTION 635 FIBER OPTIC JUNCTION BOX The following subsection shall be amended to this section: Description This Section shall cover the work of furnishing and installing fiber optic junction boxes in accordance with the provisions of this Section and the details included within the Plans Materials Junction boxes shall have an open-bottom design. Large junction boxes shall have minimum inside dimensions of 30 inches in width, 48 inches in length and 36 inches in depth. Small junction boxes shall have minimum inside dimensions of 24 inches in width, 30 inches in length and 24 inches in depth. The sides of the junction box shall be constructed of a composite mixture of polymer and concrete, reinforced by heavy-weave fiberglass, or other material approved by the Engineer. Conduit knockouts shall be provided on all four walls. These knockouts shall be approximately 5 inches in diameter; the top of each knockout on large junction boxes shall be located approximately 24 inches from the top of the junction box, and on small junction boxes shall be located approximately 16 inches from the top of the junction box. When a conduit knockout is removed or a hole is made in the junction box wall for the installation of a conduit 3 the opening around the conduit shall be suitably plugged with a mortar. The junction box cover shall be traffic rated and shall be constructed of a composite mixture of polymer concrete consisting of sand and aggregate bound together with a polymer resin. Internal reinforcement may be provided by means of steel, fiberglass, or a combination of the two, or other material as approved by the Engineer. Junction box covers shall be provided with lifting slots, locking devices, and a non-slip surface. All junction box covers shall be marked "TRAFFIC SIGNAL" Pull Boxes Installation Junction boxes shall be installed, as much as practical, so as to reduce the likelihood of being run over by vehicular traffic. This requirement shall include installing junction boxes as far from the edge of traveled roadway, particularly curb radii, and driveway entrances as possible. Junction boxes shall not be installed in wheelchair access sidewalk ramps, roadways or driveways TATMS Technical Special Provisions

20 Where the surrounding finish grade is earth or vegetation, junction boxes shall be installed level with the grade and 1/4 to 1/2 inch above the grade surface. Where the surrounding finish grade is sidewalk pavement, the junction box shall be installed level with the pavement surface and less than 1/4 inch above the pavement surface when the pavement is poured to contact the side of the junction box and finished so as to gently slope away from the junction box; the junction box shall be level and flush with the pavement surface if an expansion joint is installed between the pavement and the junction box surface. The Junction box shall rest on a bed of gravel of at least 18 inches in depth. The area around the junction box shall be restored to its original conditions. Large junction boxes shall be used where fiber optic cable slack loops are specified Method of Measurement The Furnishing and Installation of Fiber Optic Junction Boxes shall be measured in complete units consisting of the furnishing and installation of the Junction Box, excavation, drainage gravel, backfilling, the adjustment of existing conduit, and restoration of surrounding surface as defined in these Technical Special Provisions. The Furnishing of Fiber Optic Junction Boxes shall be measured in complete units consisting of the furnishing and delivery of the Junction Box as defined in these Technical Special Provisions Basis of Payment UNIT PRICE COVERAGE The accepted work of furnishing and installing Fiber Optic Junction Boxes, measured as noted above, shall be paid for at the contract unit price bid, which shall be full compensation for the satisfactory furnishing and installation of the junction box in accordance with these Technical Special Provisions, and for all equipment, tools, labor; services, insurance, permits, and incidentals necessary to complete the work. The accepted work of furnishing Fiber Optic Junction Boxes, measured as noted above, shall be paid for at the contract unit price bid, which shall be full compensation for the satisfactory furnishing and delivery of the junction box in accordance with these Technical Special Provisions, and for all equipment, tools, labor; services, insurance, permits, and incidentals necessary to complete the work. TATMS Technical Special Provisions

21 SECTION 641 CONCRETE STRAIN POLES The requirements of Section 641 are expanded by the following: The Cable entrance hole shall be located approximately 12 inches below the messenger wire and placement shall not be less than 45 degrees to the face of the pole. All poles shall be set with pole faces to the applied load and in cases when eccentricity placed reinforcing strand is used, the pole shall be oriented with the marked pole face toward and perpendicular to the load. The Contractor shall be responsible for establishing the correct amount of rake to be used on poles at the time of installation so the side of the pole shall be plumb at the base of the pole after the application of the load. Messenger cable eyebolt holes may be field drilled 13/16-inches diameter to conform to the requirements at each intersection and shall be located so as to provide a horizontal alignment of the messenger cable within plus or minus 6-inches after installation of the poles. The poles may be drilled after installation at the option of the installer. Drilling of these holes with no appreciable chipping of the hole edges on either side of the pole. Hole edge chips which are small enough to be covered by the standard eye bolt washer and which do not in total, on any hole, reduce the bearing area of the washer by more than 15% will be accepted. Axis of the bolt hole shall not deviate more than five (5) degrees from perpendicularly with the axis of the pole and no more than ½-inch from the center of the pole faces on either side. The cables shall be attached to the stabilizer wire with Ethylene - Vinyl Alcohol (E.V.A.) coated 316 stainless steel multi-lock cable ties, inches wide, as manufactured by Band-It, Inc., of Roswell, Georgia or approved equivalent or 2 inch (min.) (Galvanized) cable rings of, or lashing rods (Galvanized). The cable ties or cable rings shall be attached a maximum of 12-inches on center. Color coding of wire, as established by the City of Tallahassee, Public Works Department, Traffic Engineering Division, shall be observed. A drip loop shall be provided at each signal as shown in the Signals Standards of the Plans. The drip loop shall be a minimum of 3 inches below the disconnect hanger entrance fitting and contain a minimum of two (2) loops. Supply of all connectors, fasteners, hardware, conduit, cable, wire, etc. shall be the responsibility of the Contractor. TATMS Technical Special Provisions

22 TABLE COLOR CODE FOR TRAFFIC SIGNAL CABLE TEN (10) CONDUCTOR CABLE WIRE # COLOR ASSIGNMENT 1 Green Main Street Green or Main Street Walk 2 Yellow Main Street Yellow or Side Street Don t Walk 3 Red Main Street Red or Main Street Don t Walk 4 Green / Black Tracer Side Street Green 5 Yellow / Black Tracer Side Street Yellow 6 Red / Black Tracer Side Street Red 7 Blue Main or Side Street Green Arrow or Side Street Walk 8 Black Main or Side Street Yellow Arrow or Side Street Pedestrian Detector 9 White / Black Tracer Neutral 10 White Neutral TABLE COLOR CODE FOR TRAFFIC SIGNAL CABLE TWELVE (12) CONDUCTOR CABLE WIRE # COLOR ASSIGNMENT 1 Green Main Street Green or Main Street Walk 2 Yellow Main Street Yellow or Side Street Don t Walk 3 Red Main Street Red or Main Street Don t Walk 4 Green / Black Tracer Side Street Green 5 Yellow / Black Tracer Side Street Yellow 6 Red / Black Tracer Side Street Red 7 Blue Main Street Green Arrow or Side Street Walk 8 Blue / Black Tracer Main Street Yellow Arrow 9 Black Side Street Green Arrow or Main Street Pedestrian Detector 10 Black / White Tracer Street Yellow Arrow or Side Street Pedestrian Detector 11 White / Black Tracer Neutral or Pedestrian Detector Return 12 White Neutral TATMS Technical Special Provisions

23 TABLE COLOR CODE FOR TRAFFIC SIGNAL CABLE TWENTY (20) CONDUCTOR CABLE WIRE # COLOR ASSIGNMENT 1 Green Main Street Green 2 Yellow Main Street Yellow 3 Red Main Street Red 4 Green / Black Tracer Side Street Green 5 Yellow / Black Tracer Side Street Yellow 6 Red / Black Tracer Side Street Red 7 Blue Main Street Green Arrow 8 Blue / Black Tracer Main Street Yellow Arrow 9 Black Side Street Green Arrow 10 Black / White Tracer Street Yellow Arrow 11 White / Black Tracer Neutral 12 White Neutral 13 Green / White Tracer Main Street Walk 14 Red / White Tracer Main Street Don't Walk 15 Blue / White Tracer Side Street Walk 16 Yellow / Red Tracer Side Street Don't Walk 17 White / Red Tracer Neutral for Pedestrian Signals 18 Blue / Red Tracer Main Street Pedestrian Push Button(s) 19 Black / Red Tracer Side Street Pedestrian Push Button(s) 20 Red / Green Tracer Neutral for Pedestrian Push Buttons Traffic Signal Heads shall be wired as per a Signal Operating Plan (SOP) 10. All movements including pedestrian movements shall be wired separately. All cables shall be terminated in the controller cabinet base and the Contractor shall then wire the intersection as per the SOP shown on the Plan for that intersection. The Contractor shall install the signal cable between the signals, and between the signals and the terminal boards in the controller cabinet. TATMS Technical Special Provisions

24 SECTION 647 MAST ARM COMBINATIONS, STANDARD SCOPE This Section specifies the requirements for steel poles and mast arm combinations, which includes the mast arm, the pole and street lighting luminaries arm (when specified) used in the installation of traffic signals DESIGN REQUIREMENTS Refer to the Steel Mast Arm Detail Sheet in the plans for full details and specifications for this item INSTALLATION REQUIREMENT Foundation Installation: Installation of the foundation shall be in accordance with the information provided in the Steel Mast Arm Detail Sheet in the plans package and regulations in the Florida Department of Transportation Standard Specifications for Road and Bridge Construction Pole and Mast Arm Installation: The combination pole and mast arm shall be erected on the foundation as defined on the detail sheet. The mast arm shall be aligned as shown on the signalization plans, according to field inspection and/or as directed by the Engineer. The pole shall be raked per manufacturer s instruction so that it will assume a vertical position under full load. The pole shall be grounded by connecting a #6 AWG solid copper ground wire to the grounding lug. All traffic signal heads shall be mounted horizontally on the mast arm with an articulating aluminum mounting bracket (natural color) with stainless steel mounting cables. All signs shall be mounted with a similar mounting bracket. Larger signs will require two (2) or more brackets. Mounting bracket attachments shall be centered with the signal head, for equal weight distribution. All traffic signal heads and signs shall be mounted level; i.e., parallel to the horizon. TATMS Technical Special Provisions

25 The contractor shall make all necessary splices. Splices and connections shall be made on terminal strips or terminal lugs. Color coding of wire, as established by the City of Tallahassee, Public Works Department, Traffic Engineering Division, shall be observed. All terminations shall be made on terminal blocks located in the hand hole area of the mast arm pole. See Table for color-coding and wire assignments. One separate signal cable shall be wired to each signal and run through the mast arm and down the pole to terminate at the hand hole terminal strips Luminaire Arm Attachment Installation: Luminaire arm attachment shall be in accordance with the information provided in the Steel Mast Arm Detail Sheet in the plans package. The luminaire arm attachment shall be of the same type and spread as existing units Steel Mast Arm Pole Wiring: The home run cables from the controller cabinet to each pole (to each arm in double arm Mast Arm Combinations) shall be a minimum of twenty (20) - conductor cables. This cable will extend as far as the hand hole in the pole with an excess length of three (3) feet for termination purposes. The home run cables shall be marked with pole location and movements (i.e., NW ph 1 and ph 5). The color code for the twenty (20) conductors shall be accordance with Table Each signal head shall have a separate signal cable, which will drop down inside the pole and be terminated to the appropriate home run cable at the hand hole where the home run cables terminate on the terminal board. Each signal head feeder cable shall consist of a minimum seven (7)-conductor cable. Each signal head feeder in each pole/arm shall be marked and numbered consecutively commencing with the signal nearest the pole and continuing outward away from the pole. For Pedestrian signal heads a separate feeder consisting of individually colored wires shall be used and run from the each pedestrian head down through the pole to the terminal block located at the hand hole in the base of the pole. This allows connection to the home run cable for that pole. The main street pedestrian signal head wire colors shall be RED -- (Don t Walk), GREEN -- (Walk) and White -- (Neutral). The side street pedestrian signals shall be ORANGE -- (Don t Walk), Blue -- (Walk) and WHITE -- (Neutral). TATMS Technical Special Provisions