953TRAFFIC SIGNAL SYSTEMS AND COMMUNICATIONS

953.1DESCRIPTION—This work is the furnishing and installation of the system equipment for the control

of traffic signals and the furnishing and installation of equipment necessary to provide communication between controller and assemblies and other components that form a system, as indicated on the approved plans.

953.2MATERIAL—

• C lass A Cement Concrete. Section 704 • C aulking Compound. Section 705.8(b) • C ontroller Assembly. Section 952.2 • E lectrical Distribution. Section 954.2 • S ignal Heads. Section 955.2 • T raffic Signals-General. Section 950.2 • C ertification. Section 106.03(b)3

ype. Internal to controller unit or as required to interface with controller unit not having internal time-based coordination capability. If being placed in an existing traffic signal system, make compatible with the existing time-based coordinators in that system. 2. NEMA Standards. • T S 1-2.1.1, Operating Voltage, Frequency, and Power Interrupt. • T S 1-2.1.2, Voltage. • T S 1-2.1.3, Frequency Range. • T S 1-2.1.5, Temperature and Humidity. • T S 1-2.1.6, Transients, Power Service. • T S 1-2.1.12, Vibration. • T S 1-2.1.13, Shock. • T S 1-13.2, Electrical Limits of Input/Output.

rovisions for Timing Plans. • S torage Capability (minimum). Nine, settable, timing programs; one dedicated free-operation program; and three control programs. • S ettable Program Positions (minimum). One Offset; One Cycle; One Split

• On/Off Output Switch. One per control program.

• Program Assertion. Turn-off previous settable or free programs at the assertion of any of the settable or free, operational programs.

• Number. Three, minimum.

• Duration. Settable range of at least 30 to 250 seconds.

• Increments. 5 second maximum.

• Resolution. 1 second

• Selectable Programs. Day of week/hour/minute/second

• Number of Changes. 50 minimum per day.

• Daylight Savings Time. Automatic transfer.

• Accuracy. ± 0.005 (50 ppm)% of clock calendar time, with respect to real time.

week, hour, minute, second, program in effect, and setting stored or entered for storage.

• Power Requirements. 95 voltage alternating current (VAC) to 135 VAC, 57 hertz (Hz) to 63 Hz.

• Minimum Number and Type. Eight green-signal inputs at 24 voltage direct current (VDC), negative true.

• Keyboard. Front panel mount.

• Transfer Function. Input program from other unit.

• Dwell in coordinated phase walk.

• Dwell not to exceed 25% of operating cycle.

• Dwell in called-cycle when cycle transfer occurs because of program change.

• Program transfer, not to exceed four cycles.

controller or as a master controller to supervise other intersection controllers and as follows:

• Output Circuits. Ground true

• Time Switch. For functions

• Manual Pushbutton. For sync function with master removed.

controller unit and as follows:

1.a Cycle.

• Length. As indicated, in 1-second increments.

• Force-Off. Ensure the force-off command is directed to correct phase.

• Cycle and Split Transfer. At 0% point in local cycle.

• Offset Transfer. With pedestrian control, transfer in “green/walk” interval. With non-pedestrian control, transfer in “green.” Transfer to occur in a maximum of three cycles with no more than 17% change in any one cycle.

1.b Interface. NEMA TS 1, Section 13.

1.c Environment. NEMA TS 1, Section 2.

radio unit, coaxial cable, coaxial cable surge protection, antennas, mounting hardware, and antenna grounding kit. Use unlicensed frequency bands for radio units unless a licensed band has been preapproved by the Representative. Provide all necessary antennas, cables, jumpers and lightning protection, but not be limited to the following requirements:

• Provide omni antennas having a minimum gain of 8dbi and directional antennas 12dbi unless stated higher in the approved drawings. Provide antennas having 50 ohms impedance and voltage standing wave ratio (VSWR) less than 1.5:1.

• Provide coaxial cable having 50 ohms impedance. Provide a minimum 1/2- inch coaxial cable with N-

type connections. Smaller 1/4- inch flexible jumpers are allowed inside enclosures. Provide external antenna connectors that are weatherproofed with an approved rubber mastic tape.

• Provide a minimum data throughput of 115 kilobits per second (kbps) for serial radio units and 1 megabit per second ( Mbps) for Ethernet radio units . Use radio units having built -in setup and diagnostic capabilities. Have a minimum receiver sensitivity -106 decibels per milliwatt (dDm) for serial radio units and -92dBm for Ethernet. Output impedance of 50 ohms on all radio units. Provide radio units meeting the following approval agencies: FCC, IEC, ANSI, and UL.

to IMSA Specification 19-1 or 20-1 for cable in conduit and IMSA Specification 20-3 for aerial cable. Provide stranded conductors, 14 AWG, minimum.

conforming to IMSA Specification 19- 2 or 20-2 for cable in conduit and IMSA Specification 20- 4 for aerial cable. Provide as indicated, stranded conductors, 19 AWG, minimum.

frequency interference, with three solid 20 AWG conductors and one drain wire and as follows:

• Insulation. Moisture and heat resistant (167F) polyethylene conforming to ASTM D1248, Type I, Class B, Category 5, Grade E4, 600 V rating applied concentrically about the conductor.

• Color Code. (1) yellow, (1) blue, (1) orange.

• Shield. Mylar/aluminum tape shielding, applied with a nominal overlap of 20%, with the aluminum side in contact with the drain wire.

• Jacket. Polyvinyl chloride, having an average wall thickness of 0.045 inch, conforming to IMSA Specification 19-l, and rated at 176F.

• Electrical. DC resistance of each conductor, less characteristics than 11 ohms per 1,000 feet. Capacitance between each insulated wire and all other less than 48 picofarad ( pF) per foot.

• Finished outside diameter. Less than 0.300 inch.

communication cables, antenna, and surge protection. Furnish all necessary materials necessary to provide a complete and functioning cellular interconnect system including but not limited to the following requirements:

• One cellular modem is provided at the master controller location and at each local controller location as indicated.

• Communication cables from the controller to the cellular modem.

• Omni antennas as indicated. Size the antenna to match the cellular modem used and the strength of the cellular signal for each location.

• Provide surge protection for the cellular modem at all locations and connect to the grounding electrode system.

• Provide all product information and warranties for all equipment.

capable of a 5.8 gigahertz (GHz) frequency and a minimum of 54 Mbps for communication between the local traffic signal controllers. Provide radios that are configurable and monitored using network monitoring software. Software must include a complete toolset to assist in advanced network monitoring and radio configuration. Provide certification that system equipment is licensed by the Federal Communications Commission (FCC) to meet the FCC regulations on wireless operation according to parts 15.247 and

15.249 of the Code of Federal Regulations and has been approved for indoor and outdoor applications

Provide all necessary antennas, cables, jumpers, and lightning protection, but not be limited to the following requirements:

• Provide Omnidirectional, Yagi, Dish, Grid, Integrated, or Sectorized type antennae with point-to-point or point-to-multipoint configurations as recommended by the manufacturer. Provide antennae with a minimum gain of 18 decibel isotropic (dBi) for point-to-point configuration.

• Provide a cast aluminum NEMA-4X/IP66 enclosure with a minimum of one weatherproof power connector, two N-type antenna connectors, and up to three weatherproof Ethernet connectors. Provide enclosure with system light emitting diodes (LEDs) for power, status, and mesh. Provide enclosure that can withstand an operating temperature range between -40F and 176F, relative humidity of 95% (noncondensing), and wind loading of 125 miles per hour (mph). Provide an enclosure that is weather-, water-, and dust-proof.

• Provide a power over Ethernet (PoE) injector, pole mounting hardware, Category 5e industrial outdoor rated cable with weatherproof connector, Ethernet cable, and surge protection.

• Provide an Ethernet switch with up to two Auto MDI-X 10/100/1000 Mbps ports.

• Provide sufficient cable to connect the antenna back to the local traffic signal controller as indicated.

• Provide equipment with an operating temperature range between -40F and 176F.

• Electrical splice materials. Use material appropriate for facilities that are required to be disconnected and reconnected.

ANSI/TIA/EIA-232, ANSI/TIA/EIA-485 or compatible standards-based protocol for, but not limited to, the following:

• Data Capacity (“Bandwidth”)

• Required Turnaround Time

• Allowable Latency

• Allowable Bit Error Rates

• Data-Level Protocols

• Testing, including requirements and test plans.

• Provide one of the following as indicated:

ͦ Field Switch Type A with a minimum of two Gigabit -Ethernet small form-factor pluggable ( SFP) sockets and a minimum of eight 10/100Tx RJ-45 ports

- Comnet Model CNGE3FE8MS - Etherwan Model EX73921-OVB - B&B Electronics Model BB-SE510-2SFP-T - Or approved equal

ͦ Field Switch Type B with a minimum of four Gigabit-Ethernet SFP sockets and a minimum of four 10/100Tx RJ-45 ports

- Comnet Model CNGE8MS - Etherwan Model EX73921-OVB - B&B Electronics Model BB-SE512-4SFP-T - Or approved equal

• Provide switch SFP transceivers when fiber optic communication is used; the SFP transceivers must be selected to provide optics for the proper cable medium, proper optical levels according to the manufacturer’s tolerances and network attenuation characteristics.

• Provide switch meeting the following minimum-security requirements:

ͦ Ability to configure static MAC addresses access. ͦ Ability to disable automatic address learning per ports. ͦ Trap and alarm and shut down upon any unauthorized media access control ( MAC) address request. Shutdown will require administrator to manually reset the port before communications are allowed. ͦ Password manageable. ͦ Full implementation of Simple Network Management Protocol (SNMP) v1 and SNMPv2c. ͦ Full implementation of Remote Network Monitoring (RMON) statistics, history, alarms, and event objects.

• Ability to mirror any port to another port with switch. Provide switch that complies with the following minimum requirements:

ͦ Ability to operate between -29F to +165F. Fans are not allowed. ͦ Ability to operate from 10% to 90% humidity. ͦ Power Indicators: On, Off ͦ Network Status Indicator per port: Transmit, Receive, Link, Speed ͦ Status Indicators must be LED.

• LC-style connectors that are constructed of a composite material with ceramic ferrule.

• Simplex, unless existing constraints require duplex.

• Insertion Loss: 0.15 decibel (dB) typical.

• Reflectance: ≤ -58dB.

• Durability: < 0.1 dB loss over 200+ insertions.

• Operating Temperature: -40F to 167F.

• Duplex connectors must have a removable clip and connectors must be different colors to easily identify mating connectors on each end.

• Length. Must be of sufficient length according to application/location; excessively long cables are unacceptable.

• Provide Lucent Connector (LC) patch cables made of 9/125 single mode optical fiber, tight-buffered, surrounded with a combination of high tensile strength dielectric yarns, and housed within an impermeable outer plastic jacket. Provide patch cables that are plenum rated.

• Provide patch cables that conform to the TIA/EIA-568-A and ISO/IEC 11801 standards.

• ANSI/EIA/TIA requirements for Category 6 4- pair unshielded twisted pair cabling with stranded conductors and RJ45 connectors.

• Factory-assembled, pre-terminated patch cords with mechanical cable strain relief and protective boots and that are fully tested to Category 6 requirements.

• Provide one of the following:

ͦ Comnet RLXE4GE24MODMS ͦ Etherwan EX77964-8VC ͦ Cisco: IE-5000-16S12P ͦ Or approved equal

• Provide switch SFP transceivers; the SFP transceivers must be selected to provide optics for the proper cable medium, proper optical levels according to the manufacturer’s tolerances and network attenuation characteristics.

• LC-style connectors that are constructed of a composite material with ceramic ferrule.

• Simplex, unless existing constraints require duplex.

• Insertion Loss: 0.15 dB typical.

• Reflectance: ≤ -58dB.

• Durability: < 0.1 dB loss over 200+ insertions.

• Operating Temperature: -40F to 167F.

• Duplex connectors must have a removable clip and connectors must be different colors to easily identify mating connectors on each end.

• Length. Must be of sufficient length according to application/location; excessively long cables are unacceptable.

• Provide LC patch Cables made of 9/125 single mode optical fiber, tight-buffered, surrounded with a combination of high tensile strength dielectric yarns, and housed within an impermeable outer plastic jacket. Provide patch cables that are plenum rated.

• Provide patch cables that conforms to the TIA/EIA-568-A and ISO/IEC 11801 standards.

• ANSI/EIA/TIA requirements for Category 6 4- pair unshielded twisted pair cabling with stranded conductors and RJ45 connectors.

• Factory-assembled, pre-terminated patch cords with mechanical cable strain relief and protective boots and that are fully tested to Category 6 requirements.

Provide either a NEMA TS2 Type 1 Controller or an Advanced Transportation Controller (ATC), Management Information Bases (MIBs), and 4GB (minimum) USB drive with tether as specified in Section 952.2.

• Provide high resolution controller event logging conforming to Indiana Traffic Signal Hi Resolution Data Logger Enumerations . Allow log files to be retrievable by a remote connection or a local connection. Provide functionality to automatically back up the log files to USB flash drive or SD card. Retain log files within the controller’s local memory for a minimum of 24 hours. Provide log files in comma separated text (CSV) format containing the event timestamp, event code and event parameter on each line. If the log files are in a different format, the manufacturer must provide a translator tool which converts the log files to CSV format. The translator tool must be able to be run from the command line for files to be batch converted.

• Provide functionality to back up the controller database to universal serial bus [ USB] flash drive or secure digital [SD] card after any programming change.

• Complete the Department’s “ Traffic Signal Unit IP Address Request Form” to request a block of Commonwealth specific internet protocol (IP) addresses. Request a minimum of ten IP addresses per intersection and crossing. Coordinate with the Representative to determine if additional intersections and crossings within a corridor are expected to be connected to the Commonwealth network within the next three to five year timeframe. If there are multiple corridors (which are not interconnected) in a project, submit one IP address request form for each of the corridors.

• Provide a shelf -mounted controller unit that conforms to ATC 5201 v06.25 as published by AASHTO/ITE/NEMA. Display model, serial number, and program information on exterior in an easy to find location.

• Provide a minimum of 128 MB of dynamic random-access memory (DRAM) memory for application and operating system (OS) program execution, a minimum of 64 MB of FLASH memory for storage of OS software and user applications, and a minimum of one gigabyte (1GB) of static random-access memory (SRAM) memory for non-volatile parameter storage.

• Provide a minimum of two USB 2.0 ports to be used for updating software, uploading or downloading configurations, or uploading logged data via USB flash drives.

• Label the IP address on the timer unit using the ANSI/TIA-606-B standard as a guideline and with the following:

ͦ Laminated ͦ High strength ͦ Resistant to extreme environmental conditions such as ultraviolet ( UV) fading, high temperature fluctuations, and high humidity

ͦ Adheres to aluminum, polycarbonate, and other materials standard in roadside cabinet environment ͦ Text is bold, legible (Arial font, 24 pt. minimum), and fade resistant

• Provide the ability for peer -to-peer communication at a minimum of once per second between controllers of the same model type using Ethernet protocol communication. Such communication will not require the use of any external device or software and will not require routing to or from any external program. Configuration and saving of peer-to-peer setup information will not require restart of the controller to take effect. Provide controller capable of acting as either the source or the destination of Boolean & Peer statements. Provide a minimum of 24 peer -to-peer statements available to the user at each controller.

• Provide a controller that broadcasts signal phasing and timing status every 1/10 of a second to a user-configurable IP address via a user-configurable user datagram protocol (UDP) port. Broadcast in signal phasing and timing ( SPaT) format using SAE J2735 messaging or provide firmware to be installed on a dedicated shortrange communications ( DSRC) roadside unit (RSU) to translate the message into J2735 format. Do not use a third- party component between the controller and the DSRC RSU. If SPaT format is used directly from the controller, map the phases to lanes via the controller’s menu-driven interface or external program running on a personal computer (PC).

• The controller provides the railroad pre- emption operation as indicated on the drawings. Before approval of controller catalog cuts for the project, any controller units proposed for use on a Department contract project is required to be bench- tested in the presence of the Representative for all traffic signals with railroad pre-emption. The controller proceeds immediately to railroad pre-emption operation upon receiving call without any delay.

• Provide a cabinet, sized as following:

ͦ Type 1 mounted local controller assembly: cabinet size 6 (44”W x 52”H x 24”D) ͦ Type 1 mounted local controller assembly with on- street master and/or battery back -up: cabinet size 7 (44”W x 72”H x 24”D) ͦ Type 2 mounted local controller assembly: cabinet size 5 (30"W x 48"H x 16"D).

• Provide a cabinet with a twelve-position back panel (as a minimum).

• Provide an LED light bar in the top of the cabinet that automatically illuminates when the cabinet door is open.

• Provide a sliding aluminum “laptop shelf” with piano hinged lid capable of holding the cabinet manuals and intersection condition diagram.

• Provide a spring-loaded door switch in the upper right corner of cabinet opening for use as a “door open” alarm.

• Provide an IP addressable Malfunction Management Unit (MMU).

• Provide one additional bus interface unit (BIU) and one additional load switch. Place on shelf.

• Provide a cabinet with two exhaust fans mounted on the roof and suitably screened exhaust vents to allow the flow of air for which the fan is rated. Provide a roof assembly that is formed in such a way to facilitate air exhaust to escape via the fans. Provide a vent area at a minimum of 100 square inches; equipped with standard-size, replaceable fiberglass filters; and that prohibit the entrance of rain or snow. Provide a cabinet equipped with a manually adjustable thermostat connected to control the fans and a calibrated scale with the range between 55F and 140F, with contacts rated for at least eight amperes at 120 VAC, and capable of turning the fan on at the set temperature and turning the

fan off when the temperature is 5F below the set temperature.

• Provide a manual transfer switch for generator power on the outside of the cabinet but not on the door that is compatible with the generator cord connectors used by the Owner. Provide a switch with a weather-tight cover or enclosure. Provide an automatic t ransfer relay to engage the generator power. Emergency generator connection does not void the equipment warranty guaranteed by the equipment supplier.

• Provide a police cord of at least twelve feet in the police switch compartment.

• Provide labeling for all components and cabling that is laminated; high in strength; manufactured for extreme environmental conditions with respect to UV, temperature, and humidity; capable of adhering to all types of surfaces; bold, legible and fade resistant text; and of a band or flag type.

• Provide a clear plexiglass cover or protection for any open area with live electrical feed.

• All components to have a five-year minimum manufacturer’s warranty.

• Optional powder coating of exterior of cabinet

ͦ Provide cabinet with powder coating using Urethane or Triglycidyl Isocyanurate (TFIC) Polyester Powder finish. Provide a sample and corresponding Federal Color Number, that conforms to the color specified on approved plans, to Municipality and Representative for approval at least 60 days before ordering the cabinet. Police door, meter socket, service disconnect cabinet, clamps, brackets, and connections placed on powder coated cabinet must match the color of cabinet. ͦ Apply powder coating electrostatically and cure in a gas -fired convection oven by heating the substrate to a minimum temperature of 350F and a maximum temperature of 400F. Provide thermosetting powder resin that provides both inter-coat as well as substrate fusion adhesion that meets 5A or 5B according to ASTM D3359. ͦ Cabinet is to be wrapped in 3/16-inch-thick ultra-violet inhibited plastic-backed foam and cradled in a 1.0 -inch-thick rubberized foam base for transportation. Provide painted matching hardware.

• Provide an interface that consists of a minimum of one 9-conductor #14 AWG wire and associated equipment for the configuration indicated. Circuits identified on the plan communicate from the railroad crossing bungalow to the traffic signal cabinet and function as follows:

ͦ Advance Preemption with Supervision. This circuit notifies the traffic signal controller of an approaching train before the operation of the active warning devices. Two relays are required for each circuit. The railroad returns a normally open and a normally closed circuit. Preemption is initiated when the normally closed circuit opens. The normally open circuit closes when preemption is initiated indicating the proper functioning of the supervision circuit. ͦ Simultaneous Preemption (XR) with Supervision. This circuit notifies the traffic signal controller of an approaching train at the point the active warning devices begin their operation. Two relays are required for each circuit. The railroad returns a normally open and a normally closed circuit. Preemption is initiated when the normally closed circuit opens. The normally open circuit closes when preemption is initiated indicating the proper functioning of the supervision circuit. ͦ Simultaneous Preemption (XR) without Supervision. This circuit notifies the traffic signal controller of an approaching train at the point the active warning devices begin their operation. One relay is required for each circuit . The railroad returns a normally closed circuit which opens when the railroad warning devices begin to operate. ͦ Gate Down. This circuit notifies the traffic signal controller when the gate(s) controlling access to the track(s) is lowered to within 5 degrees of horizontal. One relay is required for each circuit. The railroad returns a normally open circuit which closes when the gate(s) controlling access over the crossing approaching the intersection is lowered.

• Provide an interface panel with outputs for the operation of LED Blank-Out Signs . The interface panel consists of 4-pin, Single Pole/Single Throw, Normally Open (SPST-NO), solid state relay with 10 ampere (A), 24-140VAC Load, 3-32VDC input rating mounted on the interface panel or unused load switch element to illuminate the LED Blank-Out Signs.

• Provide railroad equipment relays that operate at 24 VDC.

• Provide a 24 VDC isolated NEMA TS -2 power supply, capable of providing enough current to simultaneously energize all of the relays and illuminate all of the indicators at maximum temperature plus a 20% de-rating, and capable of providing a carryover of 50 milliseconds (ms) at full load.

• Provide 24 VDC, square base, plug-in relays that have a Triple Pole/Double Throw (3PDT) contact configuration, 10A rating, 470ohm coil resistance, with a locking test button and internal LED indicator and top and side flange covers.

• Provide relay sockets which are 11- pin, Din rail/Panel mount, 15A, 300 volt rating with red plastic locking clip and screw terminals and clamping plates that accept stripped wire or ring terminals.

• Provide stainless steel mating hold down clips, compliant with the Restriction of Hazardous Substances

• Provide adequate terminals, numbered or labeled, and identified on the wiring diagram for all field connections and all internal connections.

• Provide labels on the interface panel wiring diagram for all nomenclature and terminals. Provide “cage-clamp” design terminals, such as manufactured by WAGO Corporation, Phoenix (Contact, Allen Bradley), or approved equal. Terminals which provide “side swipe” connections or set screws are not acceptable. Provide a harness (MS D, C11, or other) appropriate for connecting the specific controller unit to the preemption interface panel (TS1 controller only).

• Provide a preemption input test switch panel with a minimum of five test switches, mounted in a convenient location within the controller cabinet. Provide switches with a 0.25- inch green indicator light for down position and 0.25- inch red indicator light for up position for each test switch as indicated. Provide aircraft style toggle switches with integrated spring-loaded snap action switch flip covers to prevent accidental actuation of the toggle switch and to protect it from damage as follows:

ͦ PE Test – Provide this switch as Triple Pole/Single Throw (TPST). ͦ PE Fail Test – Provide this switch as Triple Pole/Single Throw (TPST) ͦ Sup Fail Test – Provide this switch as Triple Pole/Single Throw (TPST) ͦ Sim Test – Provide this switch as Triple Pole/Single Throw (TPST) ͦ Sim Fail Test – Provide this switch as Triple Pole/Single Throw (TPST) ͦ Sup Fail Test – Provide this switch as Triple Pole/Single Throw (TPST) ͦ Gate Down Test – Provide this switch as Triple Pole/Single Throw (TPST)

• Provide an 8.5”x11” controller cabinet warning label made of adhesive backed, retro-reflective material.

of a cellular modem, data plan, and application software meeting but not limited to the following requirements.

• A daily default program or calendar used for controlling on/off times (flash periods) typically used Monday through Friday during a normal school week, but any combination of days may be selected including Saturday and Sunday. The user must be able to program start and end date for the default or calendar programs to run during the year.

• The application software must allow for exception day programming with unique flash period times allowing the user to operate a local school flasher unit(s) with flash periods different than the default

program. Exception day programming would take precedence over default programming.

• From a central location the operator must be able to verify the on/off status of a local school flasher unit(s) networked on the central operating system. The user must be able to confirm the success or failure of data transfer from the central software or server to the local school flasher unit.

supplemental ethernet surge protection at the locations specified on the drawings, meeting the following requirements:

• Minimum bandwidth of 120 Mbps throughput is required.

• Frequency of 4900 to 5920 MHz operation is required.

• Category 5e or Category 6 cable is required.

• Static IP address.

• Controller equipment must be compatible with the service and service hardware provided by Others. Provide appurtenances that may be necessary to ensure a fully functional interface with the controller equipment and the provided service.

953.3CONSTRUCTION—Sections 950.3(Traffic Signals General) and 954.3(Electrical Distribution) , as

shown on the Standard Drawings and as follows:

protection as necessary to provide a complete and functioning wireless interconnect system to include but not be limited to the following:

• One radio unit at the master controller location and at each local controller location as indicated.

• Communication cable from the controller to the radio unit.

• Omni and directional antennas as indicated.

• Coaxial cable assembly with length and size as indicated.

• Coaxial lightning suppressors at all locations and grounded to the grounding electrode system.

• Supply antenna grounding kits at all locations and connected to the grounding electrode system.

• Provide each radio unit with repeater capabilities.

• Provide all product information and warranties for all equipment.

Neatly install all equipment meeting all FCC, TIA/EIA requirements and all state and local codes. Upon completion of the radio system installation conduct the following tests in the presence of the Representative to ensure the installation is functioning adequately.

• Perform cable frequency sweep testing with appropriate test equipment. Test cables and connectors over cable manufacturer’s entire certified frequency range.

• Report cable Voltage Standing Wave Ratio (VSWR) performance in graphical format.

• Perform time-domain reflectometer (TDR) testing to identify point faults. Report in graphical format.

• Test all ground system interconnections. Report impedance measurements.

• Repair or replace any cables and connectors that do not meet manufacturer’s published performance standards. Retest any such cables.

• Tune and configure system to maximize performance of radio link.

• Report actual VSWR, Received Signal Strength Indicator (RSSI), and signal-to-noise (S/N) ratio.

• Utilize radio manufacturer’s diagnostic system software to assist in analysis and configuration.

• Log and submit printed diagnostic software results.

• Visually inspect all installed system components. Restore or replace all components found to be in less than perfect condition.

• Adjust Effective Isotropic Radiated Power (EIRP) to within FCC allowable limits.

Upon successful completion of the testing requirements the Representative will provide the contractor with final approval that the system is complete.

cables, except at terminal strips. Test the cables, as specified in Section 954.3(j), as applicable.

Neatly install all equipment meeting all FCC requirements and all state and local codes. Facilitate the cellular modem authorizations with the Service Representative and ensure that all cellular contracts are turned over to the proper responsible parties. Upon completion of the cellular system installation, demonstrate to the Representative that the installation is functioning properly as indicated.

optic network switch, patch panel, communication cables, and surge protection. Furnish all necessary materials necessary to provide a complete and functioning FO interconnect system including but not limited to the following requirements:

• One FO network switch is provided at the master controller location and at each local controller location as indicated.

• Communication cables from the controller to the FO network switch.

• Provide FO cable between each location as indicated.

• Provide FO patch panel for terminating each FO cable at an enclosure.

• Provide inner duct in all underground conduit installations as specified in Section 954.3(a), (b), (c).

• Provide all product information and warranties for all equipment.

Standards: Unless specified otherwise provide all FO cables and installation methods meeting the following standards:

• EIA FOTP-25 for requirements on impact resistance of FO cable

• EIA FOTP-33 for requirements on tensile resistance of FO cable

• EIA FOTP-41 for requirements on crush resistance of FO cable

• EIA FOTP-892 for requirements on moisture resistance of FO cable

• EIA FOTP-104 for requirements on flexibility of FO cable

Provide fiber optic cables over 60 feet long with minimum 12 fiber count, except as indicated. Terminate all spare fibers with LC-type connectors and connect the patch panel. Provide FO patch cords exceeding 60 feet long with minimum 4 spare fibers or 20% of used fiber count (whichever is the greatest), except where indicated. Install each FO cable run as one continuous length; no splicing in the conduit system is allowed; fusion splicing for FO lines longer than 1,000 feet is allowed but only in designated splice trays inside designated splice enclosures. Test all fiber strands including spare fibers for continuity and submit documentation. Ensure that pulling strength of the cable is not exceeded during installation. Ensure that the minimum bend radius of the cable is not exceeded during installation. Install aerial FO cables according to the manufactures recommended installation methods and components and be loose tube design. Ensure that the maximum installation tension (Span Tensioning) is not exceeded during the installation of aerial FO cables. Provide a tracer wire of single 24 AWG (minimum) thermoplastic heat and water -resistant nylon-coated

Do not exceed 0.75 dB insertion loss per mated connector pair. Where the installed FO connector assembly to terminate onto a connector at a FO device and the said mating device connector is not separable from the device, then the insertion loss of the single installed FO connector assembly will be less than 0.35dB. Perform optical power tests before and after splice for attenuation on the spliced FO line longer than 1,000 feet. Do not exceed 0.3dB insertion loss for each splice. Document results and submit to the Representative. Use LC-style connector for a FO strand. In cases where LC-style connector is not available for the related device, obtain written permission for the use of manufacturer’s standard connector type before finalizing procurement/supply of affected item(s). Fabrication tolerances and quality of the connector must be such that the limitation on installed insertion loss of the connector is achievable. Provide FO patch cables as indicated. FO patch cables must be provided from the connectors on the FO cross patch panel to the connectors on the FO network switch. Provide single mode fibers consisting of (single-mode, 8.3-10/125 µm) cable, 900 µm loose tube gel-filled with fibers, aramid yarn strength members, yellow flexible flame-retardant jacket, round duplex configuration, UL type optical fiber, nonconductive, riser ( OFNR). Provide a cable with a maximum attenuation of 0.5 dB/km @ 1310 nm and 0.4 dB/km @ 1550 nm. Install all equipment in a neat and professional manner meeting all installation requirements and all state and local codes. Install all conduit and trenches as specified in Sections 954.3(a), (b), (c). For aerial FO installations, coordinate any utility pole attachments or provide service poles for attachment if indicated. Provide service poles as specified in Section 1101.11(a). Upon completion of the FO system installation, demonstrate to the Representative that the installation meets the operational limits as specified in Section 952. Demonstrate to the Representative that the installation is functioning as indicated.

Install the equipment according to the manufacturer's instructions and requirements. Configure the radio transceivers and mount them to the pole or structure as required. Adjust the orientation for a clear line of sight between the intended signal propagation locations. Ensure optimum system performance is achieved. Configure the radios to utilize the 5.8 GHz bandwidth. Connect the system components with outdoor rated

Ethernet Category 5 or Category 6 communications network cables, Power over Ethernet (PoE) cables, coax cables, etc. that are suitable for the application. Category 5e or Category 6 Ethernet cables and any other required cables are to be pulled through existing and/or proposed conduits and junction boxes from the mounting locations on poles and mast arms to the indicated cabinets. Splicing of C ategory 5e cables is not allowed for runs under 320 feet in length. Obtain instructions from the manufacturer regarding alternate architecture, such as weather -sealed Ethernet repeaters and/or switches when the length of a single run of Category 5e cable exceeds 320 feet. All cables to be terminated and connected to the wireless antennas and other devices including but not limited to switches, repeaters, power injectors, etc. with the appropriate weatherproof terminations. All auxiliary equipment and processes necessary for safe and reliable installation of the wireless antennas, including but not limited to mounting brackets, pole extensions, screws, washers, etc. must be provided and installed. All other devices including but not limited to repeaters, power injectors, etc. required for installation and operation of the wireless antenna must also be provided and installed. Shelf or rack mount the wireless transceiver in the controller or mount on the traffic signal support pole in a weatherproof NEMA 4X enclosure. Install moisture-resistant sealers to protect the attachment of antenna and coaxial cable.

Reconnect or repair the existing underground facilities to existing condition with like materials or approved alternate by the Representative. Complete a full test of the system to ensure that the integrity of the facility is fully restored. When disconnection of the facility is required for repair or reconnecting, make arrangements with the facility owner to provide necessary jumpers to ensure continuity of operation. Provide those jumpers in a manner approved by the facility owner and the Representative, in advance of performing the work. When the work is completed, remove any jumpers, reconnect, and test the system to the satisfaction of the Representative, demonstrating that the integrity of the facility is fully restored. Do not begin this work without notifying the facility owner and the Representative at least three days in advance.

• Submit a network diagram plan depicting the switch connection before any switch installation. Include the following information:

• IP information.

• Any virtual local area network (VLAN) or protocol information.

• Indicate the port interconnections between switches.

• Allow only manufacturer trained personnel to configure and install the network switch(es).

• Install network switch(es) according to the manufacturer’s recommendations.

• Connect the network switches in a ring configuration.

• Coordinate with the Department’s Traffic Unit for synchronous optical networking ( SONET). port assignment to establish connectivity to the RTMC.

• Coordinate all work, including the exact switch configuration information, with the Representative and the Department’s Information Technology resources.

• Follow all Department network configuration standards including but not limited to all security implementations.

• Provision the network switch(s) for communications for all network devices as needed. Typical switch configuration:

ͦ Link Layer Discovery Protocol (LLDP) enabled. ͦ Rapid Spanning Tree Protocol (RSTP) enabled. ͦ VLAN enabled and configured if required. ͦ All other protocols disabled.

• Complete the Department’s “ Traffic Signal Unit IP Address Request Form” to request a block of Commonwealth specific IP addresses. Request a minimum of ten IP addresses per intersection and crossing. Coordinate with the Representative to determine if additional intersections and crossings within a corridor are expected to be connected to the Commonwealth network within the next three to five year timeframe. If there are multiple corridors (which are not interconnected) in a project, submit one

• Label the device as follows:

ͦ Label IP address. ͦ Label with identifier which corresponds to the interconnection diagram. ͦ Use the ANSI/TIA-606-B standard as a guideline. ͦ Provide labels conforming to the following:

- Laminated - High in strength - Manufactured for extreme environmental conditions with respect to UV, temperature, and humidity. - Capable of adhering to all types of surfaces. - Bold, legible and fade resistant text.

ͦ Submit for approval any adjustments or modifications to labeling convention.

• Test system as specified in Section 953.3(d)2.

• Set up redundant ring utilizing Rapid Spanning Tree Protocol as per splicing diagram.

as indicated and as follows:

• Provide trained personnel from the switch manufacturer to configure and install the Layer 3 Network Switch(s).

• Install all components according to manufacturer’s guidelines and requirements.

• Install equipment in cabinets or racks as indicated.

• Coordinate all work, including the exact switch configuration information, with the Representative and the Department’s Information Technology resources.

• Follow all Department network configuration standards including but not limited to all security implementations.

• Provision the Network Switch(s) for communications for all network devices,

• Real-time Transport Protocol (RTP)/ RTSP, and quality of service.

• Obtain IP address from the Department’s Traffic Unit.

• Label the device as follows:

• Label IP address.

• Label with identifier which corresponds to the interconnection diagram.

• Use the ANSI/TIA-606-B standard as a guideline.

• Provide labels conforming to the following:

ͦ Laminated ͦ High in strength ͦ Manufactured for extreme environmental conditions with respect to UV, temperature, and humidity. ͦ Capable of adhering to all types of surfaces. ͦ Bold, legible and fade resistant text.

• Submit for approval any adjustments or modifications to labeling convention.

• Test system as specified in Section 953.3(d)2.

Provide the work described herein to integrate all applicable traffic signals into the Department’s Unified Command and Control (UCC) software on the Department’s UCC server:

• Intersection Configuration. Configure intersection name, street names, notes field, and other fields according to Department guidelines.

• Graphics. Configure color intersection graphics for each signalized intersection that accurately depicts intersection lane configuration, phase assignments, detector locations and detection assignments.

• Alarms.

ͦ Program alarms within local controllers as directed by the Representative during system setup. At a minimum, include intersection flash, door open, communications failure, detector failures, UPS failure, and UPS activation. ͦ Program the system to immediately report the following events, at a minimum:

- Traffic Signal Conflict/MMU Flash - External Start (restoration of AC power after power outage)

ͦ Program the system to log the following events within the system database and provide a banner notification on the screen:

- Door open to intersection controller cabinet - Detector failure (system and/or local) - Communication failure

• Detector Logging.

ͦ Program all local controllers and central system to log the data of all detectors during system setup. Field verify that detectors are labeled correctly in the controller cabinet and in the central system monitor. ͦ Program all controllers for all system detectors to log during system setup. Designate lane group direction (NB Left, NB through, NB right, etc.) in the detector report. ͦ Program all system detectors and enable volume/occupancy logging at the intervals indicated.

• Communications.

ͦ Complete the Department’s Traffic Signal Unit IP Address Request Form to request a block of Commonwealth specific IP addresses. Request a minimum of ten IP addresses per intersection and

crossing. Coordinate with the Representative to determine if additional intersections and crossings within a corridor are expected to be connected to the Commonwealth network within the next 3 to5 year time frame. If there are multiple corridors which are not interconnected in a project, submit one IP address request form for each of the corridors.

• Security.

ͦ Work with the UCC administrator within the Department’s District Traffic Unit to obtain secure access for users from each municipality within the project limits.

Perform tabletop exercise on RTMC floor to demonstrate the full functionality of controller unit with Unified Command and Control software before submission of shop drawings for review and approval. Provide cabinet documentation and labeling for single, multi -bay, and the Department’s RTMC equipment room cabinet equipment installations as follows:

• For standard prewired cabinets, provide detailed wiring diagrams showing all active and passive components, wiring, and terminations. Wiring labels from the manufacturer to correspond to the wiring diagrams provided.

• For signal controller, sensor devices, ITS, communications, and any additional components provide interconnection diagram showing cable and port connections. Label all components and cables using the ANSI/TIA-606-B standard as a guideline and the following:

ͦ Label each component with an identifier that corresponds to the interconnection diagram. ͦ Label cables at both ends. Provide information on each cable end to indicate the near and far end connections.

- The cable end with the label is considered the near end; the opposite cable end is considered the far end. - Label all detector lead-ins as per the Department’s Automated Traffic Signal Performance Measures

- Label text:

• Indicate the near end component identifier and port connection on the first line. • Indicate the far end component identifier and port connection on the second line. • Indicate the system or network title on the third line. • Abbreviations are acceptable if they are consistent between the interconnection diagram and the component identifier.

- RTMC equipment room or multi -bay cabinets; additional information is needed when connecting to equipment in multiple locations of a room or cabinet(s):

• Indicate cabinet identifier, rack unit(s), interface card slot if component has multiple slots and port connection on the first and second line.

ͦ Submit for approval any adjustments or modifications to labeling convention. ͦ Neatly bundle, tie-wrap, and organize all loose wiring. ͦ Label IP address on all devices in the project that are assigned an IP address. ͦ Provide Owner with the name and telephone number of the person to be notified if failures or malfunctions occur during the guarantee period as specified in Section 950.3(d)10.

Complete the system setup before beginning the 30-day system test. Test system as specified in Section 953.3(r). Halt system test if there is a failure in communications. Determining the communication problem is the responsibility of the contractor. If the communications problem was the result of a device supplied by the Contractor, restart the 30-day system test entirely upon correction of communications.

Perform tabletop exercise as specified in Section 953.3(m). Submit channel mapping in cabinet detector rack and in signal controller to the Department for review and approval including direction, lane, and phase assignment at the time of shop drawing submission. Verify the assignment in the presence of Department’s representative during shop test. Turn on high resolution data logger in the timer unit. Demonstrate the performance measures reporting on the Department’s Measures of Effectiveness (MOE) software module during the Systems Test. For powder coated cabinet, install with nylon slings to preserve the integrity of the coating. Pad and handle all components during loading, unloading, and installation. If the coating becomes chipped, scratched, blistered, or otherwise damaged, it must be repaired according to the coating manufacturer’s recommendations with no additional cost to the Department. Install the two-gang electrical outlets inside the cabinet, one on each cabinet side wall (two total). Install LED light bar inside the top front and one side the top rear of the cabinet. Illuminate the lights with door - open switch. Install test button panel. Install hinged cover for test buttons, such that the cover stays up upon raising for use of test buttons. Tether USB drive to a shelf or other permanent piece of the cabinet. Install the warning label on the interior of the controller cabinet door indicating the interconnection of the two systems. Contact the Department’s District Traffic Unit for an electronic copy of the label for printing. Install the Preemption Input Test Switch Panel as follows:

• Connect the railroad circuits through the test switch panel to directly simulate the input from the railroad. Label each switch exactly as indicated below by use of a silk -screened legend. Rub- on, adhesive or other markings which are not permanent are not acceptable.

ͦ PE Test. Arrange such that the up position is test and the down position is normal. Label the switch “PE” for the up position and “Norm” for the down position. Label “PE Test” at the bottom of the individual switch panel.

- When up, the advance preemption normally closed circuit opens, and the advance preemption normally open supervised circuit closes. The red indicator light is on, and the green indicator light is off. - When down, the two advance preemption circuits from the railroad pass through the test switch. The green indicator light is on, and the red indicator light is off. - The red indicator light is on, and the green indicator light is off during actual railroad pre-emption.

ͦ PE Fail Test. Arrange such that the up position is test and the down position is normal. Label the switch “PE Open” for the up position and “PE Closed” for the down position. Label “PE Fail Test” at the bottom of the individual switch panel.

- When up, the advance preemption circuit from the railroad is open. The red indicator light is on, and the green indicator light is off. - When down, the advance preemption circuit passes through the test switch. The green indicator light is on, and the red indicator light is off. - The red indicator light is on, and the green indicator light is off during actual railroad pre-emption.

• Sup Fail Test. Arrange such that the up position is test and the down position is normal. Label the switch “SUP Closed” for the up position and “SUP Open” for the down position. Label “Sup Fail Test” at the bottom of the individual switch panel.

ͦ When up, the advance preemption supervised circuit from the railroad is closed. The red indicator light is on, and the green indicator light is off. ͦ When down, the advance preemption supervised circuit from the railroad passes through the test switch. The green indicator light is on, and the red indicator light is off. ͦ The red indicator light is on, and the green indicator light is off during actual railroad pre- emption.

• Sim Test. Arrange such that the up position is test and the down position is normal. Label the switch “Sim” for the up position and “Norm” for the down position. Label “Sim Test” at the bottom of the individual switch panel.

ͦ When up, the simultaneous preemption (XR) circuit from the railroad is open. The red indicator light is on, and the green indicator light is off. ͦ When down, the simultaneous preemption (XR) circuit from the railroad passes through the test switch. The green indicator light is on, and the red indicator light is off. ͦ The red indicator light is on, and the green indicator light is off when the simultaneous preemption

• Sim Fail Test. Arrange such that the up position is test and the down position is normal. Label the switch “Sim Open” for the up position and “Sim Closed” for the down position. Label “Sim Fail Test” at the bottom of the individual switch panel.

ͦ When up, the advance preemption circuit from the railroad is open. The red indicator light is on, and the green indicator light is off. ͦ When down, the advance preemption circuit passes through the test switch. The green indicator light is on, and the red indicator light is off. ͦ The red indicator light is on, and the green indicator light is off during actual railroad pre- emption.

• Sup Fail Test. Arrange such that the up position is test and the down position is normal. Label the switch “Sup Open” for the up position and “Sup Closed” for the down position. Label “Sup Fail Test” at the bottom of the individual switch panel.

ͦ When up, the advance preemption circuit from the railroad is open. The red indicator light is on, and the green indicator light is off. ͦ When down, the advance preemption circuit passes through the test switch. The green indicator light is on, and the red indicator light is off. ͦ The red indicator light is on, and the green indicator light is off during actual railroad pre- emption.

• Gate Down Test. Arrange such that the up position is test and the down position is normal. Label the switch “GD” for the up position and “Norm” for the down position. Label “Gate Down Test” at the bottom of the individual switch panel.

ͦ When up, the gate down preemption circuit from the railroad is closed. The red indicator light is on, and the green indicator light is off. ͦ When down, the gate up preemption circuit from the railroad passes through the test switch. The green indicator light is on, and the red indicator light is off. ͦ The red indicator light is on, and the green indicator light is off when the gate down preemption circuit is closed during actual railroad pre-emption.

Connect the NEMA TS -2 power supply to the preemption isolation panel assembly to power the relays and indicator lights. Do not connect the power supply outputs to any other voltage source or common such as logic ground, alternating current (AC) neutral, or earth ground. Appropriately fuse the input and the output of the power supply and fully isolate with no grounded conductors. Install 24 VDC square base plug- in relays in appropriate sockets. Mount the relays and terminals on a suitable aluminum panel located in an area accessible for inspection and connection. If applicable, connect the appropriate harness (MS D, C11 or other) from the controller unit to the preemption interface panel.

The vendor must be required to set-up all components of the networked school flasher system and demonstrate a functioning system for a test period of 30 days.

communications. Test the entire system for the indicated operation, including proper operation and communication between local controller assemblies, master controller assemblies, and other necessary remote control or monitoring equipment. System test includes hardware and software used for control, communication, or monitoring. Change inputs, outputs, and programming controls, and adjust or revise initial signal timing parameters, as directed.

Install and configure transmitter/receiver radios.

Before performing field communication tests, complete the following:

• Develop a test plan for field communications and point to point wireless ethernet bridge communications.

• Obtain approval for field communication testing from the Department.

• Obtain approval for point to point wireless ethernet bridge communication testing from the Department.

• Schedule point to point wireless ethernet bridge testing date with the Department .

• Do not perform test until all intersections within an interconnected system have been upgraded as indicated.

Perform test of field communication system following the approved test plan. This test does not take the place of the Traffic Signal System Test as specified in Section 953.3(r). Perform a test of the point-to-point wireless Ethernet bridge communication system following the approved test plan to demonstrate the proper remote operation of the service connection. This test does not take the place of the System Test as specified in Section 953.3(r).

953.4MEASUREMENT AND PAYMENT—

For the type indicated.

Includes all antennas, cable, transmitter/receivers, protective devices, mounting hardware, and testing and diagnostic work for a complete system.

Includes all antennas, cable, modems, mounting hardware, and protective devices, to make a complete and functional cellular communications system.

Includes all cable, modems, mounting hardware, and protective devices, to make a complete and functional fiber optic communications system.

Includes transceivers, antennas, cables, power over Ethernet injectors, enclosures, mounting hardware, wiring, testing and diagnostic work for a complete and operational system.

The proposal will include an item and a predetermined amount of money for Restore Underground Electrical and Fiber Optic Facilities. The contract item will have a unit of measure of Dollar, a unit price of $1.00, and a quantity equal to the predetermined amount. Because of the contingent or unpredictable nature of the work being performed, the provisions as specified in Section 110.02(d) are not applicable to this item.

The price includes all labor, materials, cabling, ancillary components, configuring, integrating, and testing of Managed Network Switch(s) installed under this item. All network and fiber optic patch cables are incidental to this item.

This work includes all labor, materials, cabling, ancillary components, configuring, integrating, and testing of Layer 3 Network Switch(s) installed under this item.

Paid on completion of 30-day system test.

80% paid on installation. 20% paid on completion of the 30-day System Test.

Paid on completion of 30-day system test.

This work includes all labor, materials, cabling, ancillary components, configuring, integrating, and testing of Ethernet Bridge(s) installed under this item.