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General Provisions (00100-00999)

632Traffic Signal Cabinet Assemblies

MS · 2017 Standard SpecificationsBook pages 532552View official source ↗

Section 631 Section 631 Project acceptance shall not occur prior to this final inspection and the burn-in period has been completed. Final acceptance is also subject to the guaran ty and warranty provisions of Section 100, Subsection 631.02.4, and other provisions of the contract.

631.03.5 Training . Training requirements, if any, shall be listed and described under the

specific section of the specifications to which th ey apply. The Contractor shall refer to the contract documents and plans for alternate or additional training re quirements when none are listed in the specifications. SECTION 632 - TRAFFIC SIGNAL CABINET ASSEMBLIES

632.01 Description . This work consists of furnishing, assembling, configuring and

installing all component materials and software required to form completed traffic signal controller assemblies, closed loop master controller assemblies and signal system installation of the types specified, in conformity with these specifications, to ensure fully operational traffic signal installations as shown on the plans.

632.02 Materials .

632.02.1 Cabinet Assembly. Cabinet Assemblies shall meet the NEMA 3R requirements

and be constructed principally of 0.125-inch thick, 5052-H32 aluminum. The aluminum shall have a mill finish per NEMA TS-2 7.7.3. Intermittent welds may be used for construction and any un-welded cabinet seams sh all be sealed with clear RTV silicone. All external fasteners shall be stainless steel and no holes will be allowed in top of cabinet. The door handles shall be stainless steel or cast aluminum. Door hinges shall be of the continuous type with a stainless steel hinge pin. Rivets are not be used to attach the hinge. The main door stop rod shall be constructed us ing stainless steel. The door stop mechanism shall be adjustable and capable of being securely latched in multiple opened positions including 90 degrees and a maximum of 120 degrees. The brackets attaching the stop rod to the door and cabinet shall be aluminum an d welded in place. Th e main door cylinder lock shall be a #2 key type lock. Two (2) traffic industry standard No. 2 keys shall be provided with each cabinet and shall be made using heavy duty key blanks. An access door which allows access to the back side of th e terminal facility sha ll be provided unless a pole mounted cabinet is required. Extruded aluminum channels permanently attached to the right and left cabinet sides shall be provided for attaching adjustable shelving and mounting of other component panels. The cabinet shall have two (2) shelves installed. Both shelves shall be provided with the front edge pre-drilled with 0.25-inch holes located twelve (12) inches apart. When base mounted, a 2-chamber cabinet with a traffic signal controller and an Uninterruptible Power Supply (UPS) system will be specified in the plans. The signal controller side of the dual chambered cabinet shall be provided with a rear access door to the terminal facility unless otherwise stated in the plans or contract documents.

632.02.2 Physical Features.

632.02.2 1--Pull Out Drawer. A pull out drawer shall be installed and centered under the

bottom shelf. The drawer shall be made of 0.080-inch thick, 5052-H32 aluminum and come out on full extension drawer slides. The pull out drawer shall provide an approximate 16-inch x 14-inch working area and have the ability to bear a constant 25 pound burden. There shall be a compartment for document storag e. The lid shall be hinged at the rear, to gain access to the storage area. The drawer will be used to store documents as well as support a notebook computer. The drawer slid es shall be of the full extension ball bearing type. Dimensions of the drawer shall be large enough to support a notebook computer and a drawer of sufficient size to hold at least two (2) copies of the cabinet drawings and other related cabinet documentation. The surface of the lid shall have a non-slip surface.

632.02.2 2--Cabinet Lighting. Cabinets shall be provided with a minimum of two (2)

white light LED modules. One (1) lighting module shall be installed along the front top section of the cabinet and the second lighting module shall be installed underneath the bottom cabinet shelf in such a location as to pr ovide direct lighting of the load bay area of the cabinet but must not interfere with the cabinet drawer operation. Both LED lighting modules shall be controlled by a NEMA rated, commercial quality, pushbutton door switch. The cabinet lighting shall turn on when the cabinet main door is opened and shall turn off when the main door is closed or an ON/OFF NEMA rated, commercial quality, toggle switch mounted on the inside cabinet door service panel shall be provided to turn both LED lighting modules on or off.

632.02.2 3--Police Panel Switches . Police panel switches sha ll be provided with all

controller cabinets. All switches shall be ha rd wired and labeled as to their function. NORMAL-FLASH: When this switch is in the FLASH position, all signal indications shall transfer to the flashing mode. AC power shall be removed from the load switches when the signal indications transfer to the flashing mode. The controller unit shall operate in accordance with appropriate speci fications during the flashing mode. When the switch is placed in the NORMAL position, transfer from the flash mode to normal operation shall be made in accordance with uniform code flash requirements. SIGNAL ON-OFF: AC power shall be removed from the signal heads and the intersection will become dark when this switch is in the OFF position. MANUAL CONTROL ON-OFF: When this switc h is in the ON position, a logic ground shall be applied to the manual control enable input of the controller unit. INTERVAL ADVANCE INPUT JACK: A manual jack shall be installed on the police panel. The jack shall inter-mate with a 3-circ uit, ¼-inch diameter phone plug. The tip and ring (middle) circuits of the jack shall be connected to the logic ground and the interval advance inputs of the controller unit. When the manual hand cord is plugged into the jack and the pushbutton is pressed, logic ground shall be connected to the interval advance input of the controller unit. When specified in the contract documents , a manual pushbutton with cord shall be provided. The cord shall have a minimum length of three (3) feet. It shall have a ¼-inch diameter, three circuit plug connected to one end and a manual pushbutton enclosed in a hand held enclosure at the other end. A co mplete cycle (push-release) of the manual pushbutton shall terminate the controller unit interval which is active except the vehicular yellow and red clearance intervals. Cyclin g the push-button during the vehicular yellow or all red clearance intervals shall not terminate the timing of those intervals.

632.02.2 4--Service Panel Switches. Service panel switches shall be hard wired and

clearly labeled to identify as to their functions. Service panel switches shall be mounted on the service panel located on the inside of the main cabinet door. Alternate switch locations may be described in the plans or contract documents but final switch design and location shall be approved by the Engineer prior to cabinet fabrication. NORMAL-FLASH: When this switch is in the FLASH position, all signal indications shall transfer to the flashing mode. AC power shall be removed from the load switches when the signal indications transfer to the flashing mode. The controller unit shall operate in accordance with appropriate speci fications during the flashing mode. When the switch is placed in the NORMAL position tran sfer from the flash mode to normal operation shall be made in accordance with uniform code flash requirements. CONTROLLER ON-OFF: When this switch is in the OFF position, AC power shall be removed from the controller. When this switch is returned to the ON position, the controller unit shall perform normal start up functions and resume normal operation in accordance with the app licable specification. STOP TIME-RUN-NORMAL: A 3-position manual switch shall be provided which places the controller into Stop Time mode manually or through remote input. VEHICLE DETECTORS: A 3-po sition switch shall be prov ided for each vehicle and pedestrian detector circuit. All switches shall be located on a panel mounted on the inside of the main cabinet door. The switch panel shall be labeled CALL SWITCH. Labeling of phase number and intended function (vehicles or pedestrian calls) shall be provided for each switch. The vehicle detector switch functions are defined as follows: Locked Call Call is continually placed into the controller unit. Off (center) Vehicle detector is co nnected to the controller unit vehicle detector input, i.e. normal detector operation. Momentary Call Call is continuous as long as the switch is manually held in this position.

632.02.2 5--Police and Service Panel Locations. The police and service panels shall be

constructed of 5052-H32 0.125-inch thick aluminum. The police panel shall be located behind the police door which is enclosed within the main door. The police door shall be hinged and provided with a neoprene gasket seal. Access to any portion or equipment contained behind the main cabinet door shall not be accessible through any part of the police panel. The police panel shall be of appropriate dimensions to accommodate all switch or devices describe d within this specification, the plans or contract documents. The police door shall be provided with a treasury #2 key type lock and two (2) keys for the police door lock shall be provided with each cabinet. The service panel shall be mounted on the inside portion of the main cabinet door, adjacent to the back side of the police panel or on the left hand side of the cabinet.

632.02.2 6--Cabinet Ventilation. Cabinets shall be vented to allow dissipation of the heat

generated by the equipment contained within. All cabinets shall have a thermostatically controlled exhaust fan located at the top of the cabinet that is capable of 100 cubic feet per minute air displacement. The thermostat shall be mounted on the inside top of the cabinet and shall have a nominal temperature range from 80°F to 170°F. The intake vent shall be louvered or equivalent design to prevent rain infiltration. The vent area will be located along the bottom portion of the cabinet door. A 16-inch x 12-inch x 1-inch disposable pleated air filter shall be provided on the inside portion of the cabinet and shall fully cover the vent area.

632.02.2 7--Air Filter Assembly. Air filters shall be one piece and shall be held firmly in

place against the cabinet door in order to preven t dust from bypassing the perimeter of the filter and shall fully cover the vent area. Wi ng nuts or thumbscrew s are preferred. Air filter shall be a 16-inch x 12-inch x 1-inch disposable pleated filter.

632.02.2 8--Cabinet Sizes.

632.02.2 8.1--Type I Cabinet. A Type I cabinet, 51”H x 30”W x 18”D, may be used for

both pole and base mounted cabinets that require a maximum eight (8) position load bay.

632.02.2 8.2–-Type II Cabinet. A Type II cabinet, 51”H x 30”W x 18”D, may be used

for both pole and base mounted cabinets that require a maximum twelve (12) position load bay.

632.02.2 8.3--Type III Cabinet. A Type III cabinet, 56”H x 44”W x 27”D, shall be used

for base mount installations and shall require a sixteen (16) position load bay.

632.02.2 8.4--Type IV Cabinet. A Type IV dual chamber cabinet, 56”H x 57”W x 29”D,

shall be used for base mount installations and shall require a sixteen (16) position load bay.

632.02.2 8.5--Type V Cabinet. A Type V cabinet, 77”H x 44”W x 27”D, shall be used

for base mount installations and shall require a sixteen (16) position load bay.

632.02.3 Power Distribution Panel. The power panel shall be wired to provide the

necessary power to all equipment. It shall be manufactured from 0.125-inch thick, 5052- H32 aluminum. The power panel shall house the following components: Main Breaker, Auxiliary Breakers, and Terminal Block. The panel shall be of such design so as to allow a technician to easily access the main and auxiliary breakers. A 3-position terminal block with a remova ble insulated cover accepting up to AWG #4 stranded wire shall be supplied for accepting only the incoming power lines. This terminal block shall be in advance of and supply only the 15-amp main breaker, 10-amp and 5-amp Auxiliary breakers, AC neutral buss and earth ground buss.

632.02.3 1--Ground and Neutral Busbars. Cabinet grounding shall meet the

requirements set forth in Subsection 722.09 for grounding and ground rods. A solid copper ground busbar shall be mounted on the side of the cabinet wall adjacent to the power panel for the connection of chassis ground wires. If more than one (1) ground busbar is used in a cabinet, a minimum of a AWG #6 copper wire shall be used to bond them. The copper ground busbar shall have a minimum of thirteen (13) connector points, each capable of securing at leas t one (1) AWG #6 conductor. A solid copper neutral busbar shall be mounted on the side of the cabinet wall adjacent to the power panel for the connection of AC neutral wires. The copper neutral busbar shall have a mini mum of thirteen (13) connector points, each capable of securing at leas t one (1) AWG #6 conductor.

632.02.3 2--Terminal Strips. Conductors shall be terminated on terminal strips with

insulated terminal lugs. When two (2) or more conductors are terminated on field wiring terminal strip screws, a terminal ring lug shall be used for termination of those conductors. The voltage and current rating of terminal strips shall be greater than the voltage and current rating of the wire which is terminated on the terminal strip.

632.02.3 3--Cabinet Receptacles. A 3-wire 115 Volt AC (15A) Ground Fault Circuit

Interrupt (GFCI) duplex receptacle shall be provided in the cabinet for maintenance use. It shall be securely mounted near the bottom right side of the cabinet and easily accessible. Two (2) 3-wire 115 Volt AC (15A) non-GFCI protected outlets shall be installed, one on each side of the cabinet. These two (2) ou tlets are used for communication or other auxiliary equipment.

632.02.3 4--Operati ng Line Voltage. All equipment shall be designed to operate from a

120 volt, 60 cycle AC supply. Operation shall be satisfactory at voltages from 105 volts to 130 volts. All operating voltages into and out of the controller shall be NEMA level DC voltages except for the controller AC power source (Connector A, Pin p – AC-Control and Pin U – AC Common).

632.02.3 5--Circuit Breakers . Circuit breakers shall meet the requirements set forth in

Subsection 722.07. A 15-amp main breaker, with a minimum of 10,000 amp interrupting capacity, shall be provided for all cabinets to supply power to the controller, MMU, signals, and rack power supply. Two (2) auxiliary breake rs shall be provided. The first breaker, 10-amp, shall supply power to the fan, light, GFCI utility receptacle and two (2) auxiliary standard receptacles. The second breaker, 5-amp, shall be installed to supply power for the Controller Unit and MMU2. The above circuit breakers line side sh all be jumpered together and will be fed from an external main circuit.

632.02.3 6--Main Line Arrestors. Surge protection shall be provided that meets the

requirements set forth in Subsection 722.12. A main line arrestor shall be provided to reduce the effects of voltage transients on the AC power line. It shall be installed after the circuit breaker. The main line arrestor shall be sufficient to protect all equipment and devices as per the plans and the following minimum specifications.  Multi-stage Hybrid Design  Series induction filtering  Thermally protected Metal Oxide Varistors (TMOV’s)  Operating Voltage: 120 VAC  Clamping Voltage: 395 VAC  Operating Current: 15 A  Peak Surge Current: 50 kA/Mode, 100 kA/Phase  Operating Frequency: 47-63Hz  EMI Attenuation: 40 dB Typ  SPD Technology: TMOV’s w/ W-C Filter  Modes of Protection: L-N, L-G, N-G  Status Indication: Power On & TMOV’s Functional  Connection Type: ¼-20 Stainless Steel Stud  Operating Temperature: -40°F to +185°F

632.02.3 7--Solid State Main Line Relay (SSR). A normally-open, 75-amp, hybrid SSR

shall be provided on the power distribution panel. The relay shall include a LED indicator to verify circuit power.

632.02.4 Terminal Facilities Board. The Terminal Facility shall be a hardwired load

bay for NEMA TS2 Type 1 actuated controllers. The load bay shall include either eight (8), twelve (12) or sixteen (16) load switch positions, as specified by the plans, and shall be centered along the back of th e cabinet below th e bottom shelf. All wires terminated behind the backboard, as well as any additional panels, shall be soldered. No pressure or solderless connectors shall be used , unless they are soldered to the wire and tab after connection.

632.02.4 1--Load Switches and Flashers. Solid State Load Switches, compatible with

low wattage LED signals, shall be provided for the sequence called for on the plans. The load switch sockets shall be wired for trip le-signal load switches conforming to NEMA TS1-1994 and NEMA TS2-2003 requirements. The flasher socket shall be wired for and provid ed with a Type 3, two (2) circuit Solid State Flasher conforming to NEMA TS1-1994 and NEMA TS2-2003 requirements. It shall be possible to flash either the amber or red indication on any load switch outputs. It shall be possible to easily change the flash indication from the front side of the panel using readily available tools such as a screwdriver. A nom inal flash rate of 50 to 60 FPM shall be provided. Flash rate shall be stable when used with generators or inverters. Support(s) shall be provided to support the Flasher and Load Switches at some point approximately half of the total length from the panel surface. Sufficient area beneath the Load Switch or Flasher shall be clear in order to allow for free flow of air across the Load Switches or Flasher. Load Switches and Flashers must be provided with LED indicator lights on the side facing the cabinet door.

632.02.4 2--Flash Transfer Relay. All flash transf er relays, as a minimum, shall meet

NEMA TS1 requirements. The number of rela ys that shall be supp lied with each cabinet shall accommodate the number of signal phases as indicated in the project plans. The coil of the flash transfer relay must be de-energized for flash operation.

632.02.5 Cabinet Wiring. Controller cabinets shall be wired in accordance with the

signal phasing plans. If phases are indicated as omitted for future use, or if phases are not shown to be used in the plans, the cabinet shall be wired for use of the phases shown as future or unused. Load Switches shall not be provided for future or unused phases. Wiring in the cabinets shall conform to the requirements of the National Electrical Code (NEC) and all of these specifications. All c onductors in the cabinet shall be stranded copper. All wiring shall be laced. All wiring shall be in accordance as specified by Section 636 and Subsection 722.03 for Electric Cable and IMSA Specification 19 and/or 20 for Signal Wiring. Connector harnesses for controller, conflict monitor, vehicle detectors, and accessory equipment (including NEMA defined Card Rack with power supply and pre-wired optical detection slots) shall be provided and wired into the cabinet circuitry. Connecting cables for controller and conflict monitor harnesses shall be sleeved in a braided mesh. All wires shall be securely terminated on terminal stri ps. The lay of the interconnect cable between the components must be such that when the door is closed , it does not press against the cables or force the cables against the various components inside the cabinets. All communication wiring shall be bundled and routed independently of all other wiring. All live conductors shall be covered with suitable insulating material. All equipment grounds shall run directly and independently to the grounding bus. All wires shall be cut and terminated as cl ose as possible to the proper length before assembly. Consideration of equipment location adjustments must be made when determining appropriate wire lengths. Excessive lengths of wire or cable shall not be allowed. All line voltage conductors used in controller cabinet shall conform to the following color code: AC Neutral: White AC Hot: Black Safety Ground: Green

632.02.5 1--Signal Termina l Arrestor Grounding Bar. A field terminal arrestor

grounding bar shall be provided along the back portion of the cabinet for the installation of signal arrestors. This bar shall be attached using a AWG #10 stranded copper to the earth ground circuitry.

632.02.5 2--Signal Terminal Arrestors. The field terminal arrestor shall be a three (3)

circuit protective device in tended for use on traffi c control load relay outputs. The arrestor shall be furnished with three (3) leads and a grounding stud which will be used to attach the arrestor to the grounding bar. The fiel d terminal arrestor shall meet the following minimum specifications:  Operating Voltage: 120 VAC  Clamping Voltage: 475 VAC  Peak Surge Current: 10 kA  Operating Frequency: 47 – 63 Hz  SPD Technology: MOV’s  Connection Type: Wire Leads  Lead Wire: 14 AWG 12” Length  Ground Stud: 10 x 32 5/8” Length  Operating Temperature: -40°F to +185°F

632.02.6 Accessory Components.

632.02.6 1--Traffic Actuated Controller Unit. The fully actuated controller unit shall, at

a minimum, meet the requirements of both NEMA TS1 – 1989 and NEMA TS2 -2003 requirements for actuated controller units. The controller shall be of the TS2 Type 2 configuration. The controller shall be provided with the multiple communication interface devices or properties as defined below.  10 Base-T Ethernet with front panel RJ-45 connector  IEEE defined MAC address  EIA-232 port  Serial Fiber options for both single and multi-mode (optional as per plans)  FSK 1200 bps modem (optional as per plans)  D connector with 37 pin configuration for TS1 compatibility  USB port for signal controller database upload/download to the controller flash  Controller  NTCIP Compliant The controller unit must have an alphanumeric backlit LCD display with a minimum of eight (8) lines at 40 characters per line. The controller must be air-cooled with sufficient ventilation openings and capable of operating between -30°F and 165°F. The controller unit must be provided with a time-of-day clock, automatic daylight savings time adjustment and a power supply for maintaining SRAM during a power outage. The controller unit shall be capable of being used in a Closed-Loop System and must be capable of operating in the role of master controller in a Closed Loop System. The controller unit firmware shall be fully compatible with the Department’s existing Traffic Signal Management Software. The Contractor shall ensure all controller firmware versions are compatible with the existing Traffic Signal Management Soft ware that the Regional Department staff currently utilizes prior to submitting the controller for approval. The Contractor shall notify the Department if any special controller configuration or firmware is needed prior to submitting the controller for approval based on project requirements. Where Flashing Yellow Arrow (FYA) operations are being used, all traffic signal controller firmware shall be capable of delaying the onset of the flashing yellow arrow. All operator entered data shall be stored and backed up on to a flash memory device provided with the controller unit at no cost. This flash memory device shall require no battery to support value storage. No internal components of circuitry shall require battery support. The database shall be able to be ba cked up to a USB driv e via the USB drive on the controller. Traffic Actuated Controllers shall be of the Type shown on the plans. Type 1 Controllers shall have a Linux based processor and a minimum of one (1) USB port. Type 2 Controllers shall have the same features as Type 1 Controllers with the addition of an ATC backplane and a minimum of three (3) additional USB ports. Type 3 Controllers shall have all features of the Type 2 Controller with the addition of the ATC module. Actuated controllers should have Master controller capability and shall be designated with ‘M’. 632.02.6.2--Closed Loop Master Controller Unit. When called for in the plans, this work also consists of furnishing, installing and configuring the equipment, software and accessories necessary to connect one (1) traf fic Closed-Loop Master Controller to its corresponding central or portable PC-based Traffic Computer Facility Control System via a communications connection. The communicati ons or network connection device will be either existing or provided by the Contractor.

632.02.6 2.1--General. The Master shall monitor intersections in the system, display

status and operational state and provide traffic flow data from intersection vehicle detectors. The Master shall include all communications equipment and software necessary to provide reporting to a remote terminal as well as upload/download of all local intersection data and provide timing synchronization. Communications to local controllers from the Master and from the Master to the central-office computer facility shall be by FSK, 900 MHz Radio, Broadband Radio, Serial Fiber, Ethernet, Fiber, Cell Modem or Leased Line, as indicated in the plans. Th e Master shall be able to run on the same controller simultaneously operating the intersecti on, with the local signal control software, on any given controller unit.

632.02.6 2.2--System Configuration. The system architecture shall be designed to

minimize the effect of equipment failures on system operation and performance. The system consists of four (4) principal elements:  Local System Intersection Controllers  Communication (Telemetry Links)  On-Street Master(s)  Central-Office Computer Software

632.02.6 2.3--Local Syst em Intersection Controller. The local system intersection

controllers connected to the Master controller unit shall be capable of controlling a fully actuated two (2) to sixteen (16) phase inte rsection and shall meet or exceed NEMA TS1- 1989 and TS2-2003 standards for fully actuated traffic control units. The local controller shall have internal communication capability with direct access to the data memory. The local system controller shall be capable of processing controller and detector data and provide all necessary intersection control functions. The local system intersection controller shall meet the requirements of the Traffic Actuated Controller Unit.

632.02.6 2.4--Communications (Telemetry) Links. The communications links for the

“Closed-Loop” System shall perform the following functions:  Provide the medium (radio/fiber/hardwire/etc.) for two-way communications between the On-Street Master and the local intersection controllers.  Provide the medium for two-way communi cation between the On-Street Master and the central-office computer facility.  Error checking shall be incl uded in both mediums to assure transmission and reception of valid data.

632.02.6 2.5--On-Street Master. The On-Street Master may be located at an intersection

and connected via the communication network to at least 32 local intersection controllers. The Master shall be capable of implementing Traffic Responsive Control, Time Base Control, Manual Control or Remote Control modes of operation. Analysis of sampling sensor data from at least 64 system detectors and corresponding selection of the best Traffic Responsive timing pattern shall be provided by the On-Street Master during the Traffic Responsive mode of operation. Automatic and continuous monitoring of system activity shall be provided by the On-Street Master to include both Master and intersection alarm conditions. System parameter entry shall be provided via the On-Street Master including all Master and local intersection assignment and group para meters. Master parameters shall include:  System coordination setup and pattern data entry by group  System time base event scheduler  System traffic responsive computational and pattern selection setup by group  Intersection system group and detector assignments The On-Street Master shall provide comprehensive system report generation including, as a minimum: system, intersection, detector and failure status and history reports in addition to system performance reporting. A RS-232C interface shall be provided on the On-Street Master to allow for printing of reports or for interconnecting to a remote central site. To enhance overall system operation and increase system management flexibility, the On-Street Master shall also support two-way dial-up communications to a central office computer for control, monitoring, data collection and for timing pattern updating purposes, all from a remote central office location. Continuous, seven (7) days/week - 24 hours/day, system monitoring shall be enhanced by the On-Street Master's capability to automatically dial-up the central office computer upon detec tion of user defined critical alarm conditions.

632.02.6 2.6--System Functional Requirements.

632.02.6 2.6.1--Operator Interface. In order to provide ease in programming and

operation, the system shall provide a simplified user-friendly menu format at each local, master and central office facility. No special programming skills shall be required for the user to fully access and operate this control and monitoring system at any level. All programming, both of the local intersection controllers and the On-Street Master(s) shall be via a front panel keyboard and display, driven by English Language menus. All data change entries will be automatically verified against established ranges prior to acceptance to prevent programming data errors. Data access shall be controlled by user-definable access controls.

632.02.6 2.6.2--System Traffic Control. The system shall have the capability of

controlling a minimum of sixteen (16) vehicle phases and eight (8) pedestrian phases. The system shall have the capability of implementing a minimum of four (4) timing rings, fifteen (15) alternate sequence s, and sixteen (16) offsets. The system shall provide the capability of selecting any of the following operational modes on a group basis:  Traffic Responsive  Time Base (Time-of-Day/Day-of-Week)  Remote (External Command)  Manual (Operator Entry) The system shall be capable of implementing system FLASH and system FREE operation. The system shall have the capability to command, on/off based on time, up to eight (8) independent special functions.

632.02.6 2.6.3--Detectors. The system shall have the capability of accepting and

processing data from at least 632 system detectors for Traffic Responsive program selection.

632.02.6 2.6.4--Pattern Selection. In addition to providing Manual and Remote program

selection capability, the Master shall provide for Traffic Responsive and Time Base modes of operation for timing pattern selection.

632.02.6 2.6.4.1--Traffic Responsive Mode. Traffic plan selection in the Traffic

Responsive mode shall be user-enabled and supplied with the controller, per the plans and specifications. The pattern selection shall be based on sampling detector volume and occupancy analysis by the On-Street Master.

632.02.6 2.6.4.2--Time Base Mode. The system shall provide the capability of

implementing time-of-day, day- of-week and week-of-year cont rol for each of the two (2) groups using an internal time clock referenc ed to the 60-Hz AC power line frequency for its time base. The Time Base mode shall contain automatic adjustment for leap year and daylight savings time changes. The system Time Base mode shall provide, as a minimum, 100 events each capable of requesting any of the 48 traffic control patterns along with Traffic Responsive override enable or auxiliary events consisting of enable/disable any of up to four (4) system-wide special functions and setting sample and log interval time periods.

632.02.6 2.6.5--System Control Priority. The system coordination control (program-in-

effect) for each group shall be selected on a pr iority basis. The priority from highest to lowest shall be as follows:  Manual Control Entry  External Control (Remote Command)  Time Base Control (Time-of-Day/Day-of-W eek) (Traffic Responsive control will prevail whenever Traffic Responsive Ove rride Enable is active and the selected cycle length is greater than that being commanded by Time Base)  Traffic Responsive Control

632.02.6 2.6.6--Measures of Effectiveness. The system shall have the capability to report

selected Measures of Effectiveness (MOE's) on an intersection basis. MOE calculations shall be made on all phases by the local syst em intersection controller and as a minimum shall include measures such as: volume, number of stops, delays and green utilization. These measures shall be calculated on the ba sis of the active timing plan. Alternate ways of reporting MOE'S may be approved on a case-by-case review. 632.02.6.2.6.7--Uploading and Downloading. The system shall provide, for any selected local system intersection controller, the capability of uploading and downloading any or all, new or modified local intersection parame ters from the central-office computer and the Department Central Traffic Signal Management Software, and shall include, as a minimum, all: Phase Timing and Unit Da ta; Coordination Data, Time Base Data; Preemption Data, System Communication Parameters, System Traffic Responsive Data, and any other System Data residing at the inte rsection such as Detector Diagnostic Values, Report Parameters and Speed Parameters. During either uploading or downloading operations, normal traffic control operations shall not be suspended. All data shall be conti nually accessible and may be displayed at the On- Street Master or the central office computer.

632.02.6 2.6.8--System Monitoring and Diagnostics. The system shall automatically and

continually monitor system activity and log/report occurrences of Master and intersection alarm conditions. All alarm condition events shall include at the intersection, (Master and central-office computer) an alpha-numeric descri ption of the event as well as the time and date of occurrence. As a minimum, monitored master alarms conditions shall include:  Insufficient or Improper Data  Failed Computational Channels  Failed System Detectors  Intersection Communication Failure  Failed Controllers  Minimum of six (6) special user defined alarms for user application flexibility  Monitored intersection alarms conditions shall include as a minimum:  Cycle Faults and Failures  Coordination Failures  Voltage Monitor  Conflict, Local and Remote Flash Conditions  Preempt  Local Free  Minimum of six (6) special user define d alarms for additional user flexibility. When the Master detects a critical alarm condition, as defined by the user, it shall automatically dial-up the central office computer and report the condition. On a BUSY or NO ANSWER, the system may be programmed , at user option, to alert a secondary computer. The system shall also automatically and continually monitor, verify and attempt to correct Sync Pulse, Time Base Clock and Pattern-In-Effect. The system shall provide capabilities to perform diagnostics on system and local detectors, communications and intersection operations. When a fault has been detected, an indication shall be provided. It shall be possible to isolate the fault to the failed unit from controls and indicators available on the Master unit. Auxiliary equipment such as a data terminal or CRT shall not be required to identify the failure.

632.02.6 2.6.9--Real Time Display. The Master shall provid e for any selected local

system intersection controller, real-time status information on its front panel. Real-time intersection status information shall include simultaneous display of: vehicle and pedestrian signal and detector status by phase, overlap signal status and cars waiting count by phase. Real-time controller status information shall include simultaneous display of: two (2) Ring Active timers, On/Next, Call/Recall and Hold/Omit Status by phase, Coordination, Preempt and Stop Time Status. 632.02.6.2.6.10--S ystem Management. The system, without hardware changes but with its ability to directly modify Master and in tersection parameters, shall provide the user system configuration and operational controls of the following functions: add/delete controllers and system detectors, enable Traffic Responsive mode, assign intersections to groups, assign system detectors to computational channels and channels to pattern select routines, and assign special and/or standard detectors as system detectors for use with computational channels or to track activity.

632.02.6 2.6.11--System Logging and Reports. The system shall automatically and

continually process system data and log/report on occurrence of changes in intersection status, system detector status, communications status, controller status and local detector status in addition to system program changes, Traffic Responsive computations, measures of effectiveness and performance.

632.02.6 2.6.12--Security. The On-Street Master shall provide for a user-specified

security code entry before any data may be altered. In order to view any parameter, security code entry shall not be required. Security access shall be automatically rescinded approximately ten (10) minutes after either access was gained or the last parameter change was entered. The Master and local controller shall have the ability via keyboard to disable security code requirements, allowing for perpetual acces s without requiring hardware changes.

632.02.6 2.7--Design Characteristics. The On-Street Master shall be designed to operate

in either an office or field environment and shall be suitably housed in a separate enclosure or in a local intersection cabinet. The Master shall be designed to meet the following electrical and mechan ical requirements:

632.02.6 2.7.1--Programming and Security. Operator programmable data entry shall be

accomplished through panel keyboard(s). The Master shall prevent the alteration of keyboard set variables prior to the user ha ving entered a specific access code through the keyboard. The Master shall maintain user-programmable variables in non-volatile memory with a battery-backed RAM to assure continued efficient system operation.

632.02.6 2.7.2--Test and Repair. To enhance maintenance and trouble-shooting

activities, On-Street Masters shall include reside nt diagnostics as a standard. No extender- cards, special tools or PROMs shall be necessary to fully maintain these components. The Master unit design shall ensure that all printed circuit boards be readily accessible for maintenance testing purposes. All fuses, connectors and controls shall be accessible from the front of the Master unit. 632.02.6.2.8--Traffic Signal System Software. All Traffic Signal System Software shall be compatible with the latest version of the Department’s existing Master and local controllers and existing Traffic Signal Management Software for the Department region.

632.02.6 2.8.1--Traffic Signal Closed Loop Software. The Traffic Signal Closed-Loop

Software shall provide the ability to manage Master and local controller databases including the uploading and downloading of data parameters. The software shall provide status information and provide reporting capabilities for Master and local controller data, alarms and logs.

632.02.6 2.8.2--Traffic Signal System Workstation Software. The Traffic Signal

System Workstation shall provide the ability to manage Master and local controller databases including the uploading and downloading of data parameters. The software shall provide status information and provide reporting capabilities for Master and local controller data, alarms and logs. The Traffic Signal System Workstation Software shall also be capable of operating as a network-connected user workstation to existing centralized signal systems and their associated databases. When disconnected from the centralized signa l system, the software shall be capable of running as a standalone system similar to th e Closed-Loop Software. Under this mode, the software shall provide management, report and status functions for Master and local controllers. Under Standalone Mode of oper ation the software shall allow for its own database(s) for data management without the need for connecting to a centralized signal system database.

632.02.6 2.9--Services. Technical services shall be provi ded, as required, to assist in

installation and initial setup of the Closed-Loo p Master System and its sub-components. Technical assistance with database migration an d/or setup, as well as the development of graphics (such as master maps and local intersection depictions) and the assignment of associated attributes such as detectors, phasing, signals, etc., shall be provided as required. Additionally, training shall be provided on a basic or advanced target user level, as required.

632.02.6 3--Malfunction Management Unit (MMU2). The Malfunction Management

Unit (MMU2) shall be a shelf-mountable, sixteen (16) channel, solid-state, IP addressable MMU. The MMU2 shall accomplish the detection of, and response to, improper and conflicting signals and improper operating volta ges in a traffic signal controller assembly, including support for four (4) section Flashing Yellow Arrow (FYA) left turn displays. The MMU2 shall be capable of running a minimum of twelve (12) different modes of FYA operation. The MMU2 shall meet or exceed Section 4 requirements of th e NEMA Standards Publication No. TS2-2003 including NEMA TS2 Amendment #4-2012 and provide downward compatibility to NEMA Standards Publication No. TS1-1989: Type 12 Operation, in addition to those specifications set forth in this document. The MMU shall include a graphics based Liquid Crystal Display (LCD) to view the current monitor status and navigate the unit’s menus. An RJ-45 Ethernet Port shall be provided for communications. A built-in Diagnostic Wizard shall be provided that displays detailed diagnostic information regarding the fault being analyzed. This mode shall provide a concise view of the signal states involved in the fault, pinpoint faulty signal inputs and provide guidance on how the technician should is olate the cause of the malfunc tion. The Diagnostic Wizard shall be automatically invoked when the MMU2 is in the fault mode and the HELP button is pressed. It shall also be automatically invoked when the MMU2 is in the Previous Fail (PF) event log display and the HELP button is pressed. A built-in Setup Mode shall be provided that automatically configures the Dual Indication Enable, Field Check Enable, Red Fail Enable and Minimum Yellow Plus Red Clearance Enable parameters from user input consis ting only of channel assignment and class (vehicle, ped, pp-turn, FYA, etc.) responses. The MMU2 shall be capable of operating in the Type 12 mode with SDLC communications enabled on Port 1. The Channel Status display shall operate in the Type 12 configuration and provide the Field Check function for up to four (4) Pedestrian Walk inputs. In the interest of reliability and repair ability, printed circuit board mounted MS connectors shall not be acceptable. Internal MS harness wire shall be a minimum of nineteen (19) strand AWG 22 wire.

632.02.6 4--NEMA defined Ca rd Rack and Power Supply. A minimum of one (1)

NEMA compliant detector card rack with ten (10) slot positions shall be provided in each cabinet. The detector rack shall be installed on the bottom shelf of the cabinet. The power supplies for the NEMA defined card slots shall be provided as a 175W minimum with four

4.independent regulated channels of 24 VDC each rated at 0.75 amps over the full NEMA operating temperature range of -30°F to +165°F. The output should be regulated to 24 VDC +/- 15%. Each of the four (4) outputs shall be independently fused, each with a separate LED for displaying output and fuse status for each of the four (4) outputs. Each of the four (4) outputs shall be protected against voltage transients by a minimum 1500 watt suppressor. All card racks shall be wired for the type detection shown in the plan sheets.

632.02.6 4.1--Optical Detection Pre-Wired Card Slots. There shall be two (2) additional

slots to the right of the standard NEMA defined slots. The two (2) additional slots shall be fully wired, whether or not emergency vehicle preemption power supply and phase selector modules are included in the project plans, for use with emergency vehicle preemption power supply and phase selector modules. Card Guides shall be provided on the top and bottom of th e card rack for each connector position.

632.02.6 5--In-Cabinet Network.

632.02.6 5.1--Communications Arrestor. The Controller Cabinet network shall consist

of an SDLC connection between the Controller Unit and MMU2. Surge suppression for this network shall meet the requirements set forth in Subsection 722.12 and the following minimum requirements below:  Operating Voltage: 5 VDC  Clamping Voltage: 8 VDC  Operating Current: 1.5 A  Peak Surge Current: 47 A (10x1000 μs)  Frequency Range: 0 to 20 MHz  Insertion Loss: < 0.1 dB at 20 MHz  SPD Technology: SAD  Connection Type: DB-15  Operating Temperature: -40°F to +185°F

632.02.6 6--System Communications.

632.02.6 6.1--Traffic Signal Ethernet Switch. When specified in the plans or contract

documents, a traffic signal Ethernet switch shall be installed in the cabinet assembly. It shall meet the requirements for the type specified in Section 663. Ethernet patch cables of sufficient length shall be provided for all supplied Ethernet ready cabinet components. The switch and all components shall be connected and configured.

642.02.6 6.2--Fiber Optic Patch Panel. When specified in the plans or contract

documents, fiber optic attenuator patch cords shall be installed in the cabinet assembly as specified in Section 661.

632.02.6 6.3--Wireless Communications. When specified in the plans or contract

documents, wireless communication components shall be installed in the cabinet assembly and shall be as specified in Section 662.

632.02.6 6.4--Serial Port Server or Terminal Server. When specified in the plans or

contract documents, serial port servers shall be installed in the cabinet assembly and shall be as specified in Subsection 663.02.2.

632.02.6 6.5--GPS Clock. This work includes furnishing a Global Positioning System

(GPS) Synchronization clock that can be used to sync the internal clocks in traffic signal controllers when coordination is desired, but communication is not necessary. The GPS Clock System shall provide GPS based time and date synchronization to provide coordination of traffic controllers to a comm on time base. The system shall process GPS Time data using a tamper/vandal resistan t GPS antenna and correct for Time Zone, Daylight Savings Time, Leap Years, and GPS Leap Seconds. The processed time information shall be sent to the traffic controller in the native format for the respective controller. A contact closure synchronization pulse with variable pulse width shall be available for a once per day update. If the GPS antenna is blocked for up to one (1) hour prior to scheduled time of synchronization, the system shall synchronize the traffic controllers with less than 0.4 seconds varian ce from the accuracy provided under normal operation with GPS satellites in view.  The GPS Clock shall also meet the following minimum specifications:  Input Voltage: 9-24 VDC  Current Draw: 150 mA (max) at 12 VDC : 125 mA (max) at 24 VDC  Contact Closure: 750 mA at 30 VDC  Temperature Rating: -29.4°F to +167°F GPS unit shall be mounted to the traffic signal controller cabinet as per the manufacturer’s recommendation. Any and all ho les created in the cabinet for the purpose of mounting the GPS unit shall be sealed to the satisfactio n of the Engineer at no direct pay.

632.02.6 6.6--Power-Over -Ethernet Arrestor. Surge suppression that meets the

requirements set forth in Subsection 722.12 shall be provided. In addition, the following minimum specifications shall be supplied for loads that require Power-Over-Ethernet with isolated shielded or non-shielded cable:  Operating Voltage: 48 VDC  Clamping Voltage: 68 VDC  Operating Current: 0.75 A per Pin Continuous  Peak Surge Current: 10 kA  Insertion Loss: < 0.1 dB  SPD Technology: GDT, SAD, with series PTC  Modes of Protection: All Lines (1-8) Protected (L-L) and (L-G): Signal High-Low; High-Ground; Low-Ground  Transmission Speeds: 10BaseT; 100BaseT; 1000BaseT  Connection Type: RJ-45  Operating Temperature: -40°F to +185°F

632.02.7 Detector Panel. A vehicle detector harness shall be provided to connect the

detector panel to the card rack. The detector panel shall accept the connection of sixteen

16.field loop inputs and four (4) pedestrian detector inputs.

632.02.7 1--Detector Input Arrestors. Field Loop and Pedestrian input arrestors shall

meet the requirements set forth in Subsection 722.12. Field loop arrestors shall have differential and common mode protection and be provided with the following minimum specifications:  Operating Voltage: 75 VDC  Clamping Voltage: 130 VDC  Peak Surge Current: 250 A  SPD Technology: Silicon Break-Over  Operating Temperature: -40°F to +185°F Pedestrian input arrestors shall be a four (4) circuit device provided with the following minimum specifications:  Operating Voltage: 30 VDC  Clamping Voltage: 36 VDC  Operating Current: 0.15 A  Peak Surge Current: 10 kA (8 x 20 μs)  Frequency Range: 0 to 20 MHz  Insertion Loss: < 0.1 dB at 20 MHz  SPD Tech nology: GDT, SAD, with Series PTC  Connection Type: Terminal Block with co mpression lugs; Terminals accept up to 10 AWG  Operating Temperature: -40°F to +185°F

632.02.8 System Detectors. The controller shall have the ability to receive input data

from up to eight (8) special system detectors in addition to the normal actuated controller unit phase detectors. The user shall have the op tion to assign any of the phase detectors as “system detectors”.

632.02.9 Preemption. The cabinet shall be completely wired to accept and service calls

from preemption phase selector modules, associated optical detector units and GPS units. Optical detector units and GPS unit cabinet components shall be as specified in Section 639. Provision for two (2) standard card modules shall be accommodated in a separate card rack for preemption. The preemption card rack shall provide a minimum of eight (8) positions. Provisions shall also be made in the ca binet to accommodate Railroad Preemption when specified in the plans or contract docume nts. Railroad Preemption shall meet the requirements set forth in Section 639. While it is not necessary that a Railroad Preemption interface board be provided with the cabinet, the cabinet and back panel shall be designed so that a Railroad Preemption in terface panel that uses a relay to isolate the track switch from the controller cabinet circuitry can be installed. Preempt 1 and 2, in the case of gate down preemption, shall be reserved for Railroad Preemptions; all subsequent preemptions shall be reserved for Emergency Vehicle, Fire Station, or Police Preemption.

632.02.10 Uni nterruptable Power Supply. When specified in the plans or contract

documents an Uninterruptable Power Supply (UPS) System shall be installed in the cabinet assembly. The UPS shall be installed in the cabinet and meet the requirements set forth in Section 633.

632.03 Construction Requirements.

632.03.1 Mounting. Traffic Signal Cabinet Assemblies shall be Wall or Pole Mounted,

Base Mounted on a Concrete Cabinet Pad, or Mounted using a Composite Enclosure as specified below and as shown in the plans.

632.03.1 1--Wall or Pole Mounted. Wall or pole mount hardware shall be provided for

mounting cabinets in specific installations as indicated in the design plans. Wall or pole mounted cabinets shall be manuf actured with rigid tabs, rigid brackets or other acceptable configuration for attachment of the cabinet to the wall or pole support. Rigid attachment devices must allow for field alignment of cabinet to the wall or pole support.

632.03.1 2--Concrete Cabinet Pad. Concrete foundations shall be constructed of Class B

concrete in specific installations as indicated in the design plans. Cabinets for installation on a concrete base shall be manufactured with rigid tabs, rigid brackets or other acceptable configuration for attachment of the cabinet bottom to its flat support structure. Rigid attachment devices mu st allow for field alignment of cabinet with the support base. Concrete base construction details shall be provided in the design plan drawings.

632.03.1 3--Composite Enclosure. Cabinets for installation on a composite enclosure

base shall be manufactured with rigid tabs, ri gid brackets or other acceptable configuration for attachment of the cabinet bottom to its’ flat support structure. Rigid attachment devices must allow for field alignment of cabinet with the composite enclosure. Composite enclosure attachment details shall be provided as shown in the plans.

632.03.2 Documentation. Documentation packages shall be delivered for each unit at

the same time as the equipment to which it pertains. A minimum of two (2) sets of complete schematic drawings and equipment documentation shall be supplied with each cabinet. The first copy shall be placed in a clear re-sealable print pouch of sufficient size to accommodate one (1) complete set of folded cabinet prints and placed in the pull-out drawer of the cabinet and the second copy shall be provided to the Department. Comprehensive controller data shall be included as part of the cabinet documentation package and shall be placed in the cabinet drawer pouch. The documentation packages shall contain a schematic wiring diagram of the controller cabinet assembly and all auxiliary equipment. The schematic wiring diagram, including a symbols legend, shall show in detail all integrated circuits, transistors, resistors, capacitors, inductors as well as switches and indicators. All parts shown shall be easily identified on both in the cabinet and on the schematic diagram. Model numbers shall be used on schematic diagram when available. A complete physical description of the signal cabinet assembly shall be provided to include at least the physical dimensions of the unit, weight, temperature ratings, voltage requirements, power requirements, material of construction, and complete performance specifications. A complete set of operation guides, user manuals, and performance specifications shall be provided. Detailed programming instructions, preventative maintenance requirements, and troubleshooting procedures shall also be provided for the controllers. These documents shall fully cover all programming procedures and programmable options capable of being made to the controllers and associated traf fic control equipment. Instructions for modifications within the range of the capabilities of the unit such as changes in phases or sequences and programming matrix boards shall be included. An intersection diagram shall be provided on the cabinet door showing geometric configuration, lane use assignments, controller cabinet and signal pole locations, vehicle and pedestrian signal head locations, vehicle and pedestrian detector zone locations, ring-barrier phasing diagram, and detector channel assignments. The intersection diagram shall be labeled with, at a minimum, a North Arrow, main street name(s), side street name(s), signal pole numbers, vehicle and pedestrian head type(s), detector zone designations, volume density and phase recall requirements, fl ash sequence. All field wires within the cabinet shall be labeled to coincide with those shown on the intersection diagram. 632.04--Meth od of Measurement. Traffic Signal Cabinet Assemblies will be measured as a unit per each. Remove and Replace Existing Traffic Signal Ca binet Assembly will be measured as unit per each. Modify Existing Traffic Signal Cabinet will be measured as a unit per each.. Solid State Traffic Actuated Controller of the type specified in the project plans will be measured as a unit per each. Signal Software Licenses of the type specified in the project plans will be measured as a unit per each. Malfunction Management Units of the type specified in the project plans will be measured as a unit per each. Card Racks of the type specifi ed in the project plans will be measured as a unit per each. Global Positioning System (GPS) Clocks as specified in the project plans will be measured as a unit per each. All pay items shall be inclusive of all materi als, work, system integration, testing and incidentals necessary for a complete and opera ble unit in place and accepted. All removal, turn on, and acceptance of equipment, devices, traffic signals, and traffic signal assemblies shall follow Section 631 Traffic Signal Systems-General prior to payment.

632.05 Basis of Payment. Traffic Signal Cabinet Assembly, measured as prescribed

above, will be paid for at the contract unit pr ice per each for each type(s) specified in the contract, which price shall be full compensati on for furnishing, installing, configuring, wiring, testing, and mounting foundation construction, cabinets, relays, terminals, circuit breakers, modules, coordination and time base control programs, connectors wiring, overlap equipment, load switc hes, power cables, power supplies, controller mechanism and housing, GPS clock, mounting material, all other materials, and all equipment, labor, tools, and incidentals necessary to complete the work. Remove and Replace Existing Traffic Signal Ca binet Assembly, measured as prescribed above, will be paid for at the contract unit pr ice per each for each type(s) specified in the contract, which price shall be full compensati on for furnishing, installing, configuring, wiring, testing, and mounting foundation construction, cabinets, relays, terminals, circuit breakers, modules, coordination and time base control programs, connectors wiring, overlap equipment, load switc hes, power cables, power supplies, controller mechanism and housing, GPS clock, mounting material, all other materials, removal, disposal, transfer, storage, and/or resetting of components that are existing, all other components included in the traffic signal cabinet, and all equipment, labor, tools, and incidentals necessary to complete the work. Modify Existing Traffic Signal Cabinet, measured as prescribed above, will be paid for at the contract unit price per each, which pri ce shall be full compensation for furnishing, installing, configuring, and mounting all components, wiring, and devices; rewiring, reconfiguring, removal, disposal, transfer, storage, and/or resetting of existing components and devices, installing or changing coordination and time base control programs in the traffic signal cabinet assemblies, testing, final cleanup, all equipment, labor, tools, and incidentals necessary to complete the work. Solid State Traffic Actuated Controller, measured as prescribed above, will be paid for at the contract unit price per each for each type(s) specified in the contract, which price shall be full compensation for all labor, equipment, tools, materials inclusive of the controller mechanism(s) and housing(s), all power cables, power supplies, wiring, factory and manufacturing inspection, attachment hardware, testing, storage, packaging, shipping, warranty, and all work, equipment, and appu rtenances, and all incidentals necessary to provide a fully functional traffic controller ready for use. It shall also include all documentation including operations and maintenance manuals and other material necessary to document the operation of the traffic controller. Signal Software Licenses, measured as prescribed above, will be paid for at the contract unit price per each for each type(s) specified in the contract, which price shall be full compensation for all labor, equipment, tools, materials inclusive of furnishing, installing and configuring the Signal Software, all power cables, power supplies, wiring, factory and manufacturing inspection, testing, storage, packaging, shipping, warranty, appurtenances, and all incidentals necessary to provide fully functional Signal Software ready for use. It shall also include all documentation including operations and maintenance manuals and other material necessary to document the operation of the Signal Software. Malfunction Management Unit, measured as pr escribed above, will be paid for at the contract unit price per each for each type(s) speci fied in the contract, which price shall be full compensation for all labor, equipment, tools, materials inclusive of furnishing, installing and configuring the Malfunction Management Unit(s), all power cables, power supplies, wiring, attachment hardware, factory and manufacturing inspection, testing, storage, packaging, shipping, warranty, and all work, equipment, and appurtenances, and all incidentals necessary to provide a fully functional Malfunction Management Unit ready for use. It shall also include all documentation including operations and maintenance manuals and other material necessary to document the operation of the Card Rack. GPS Clock, measured as prescr ibed above, will be paid for at the contract unit price per each for each type(s) specified in the contract, which price shall be full compen sation for all labor, equipment, tools, materials inclusive of furnishing, installing and configuring the Global Positioning System (GPS) Clock(s), all power cables, power supplies, wiring, attachment hardware, factory and manufacturing inspection, testing, storage, packaging, shipping, warranty, and all incidentals necessa ry to provide a fully functional GPS Clock ready for use. It shall also include all documentation including operations and maintenance manuals and other material necessary to document the operation of the GPS Clock. Payment will be made under: 632-A: Solid State Traffic Signal Cabinet Assembly, Type __ Cabinet, Type __ Controller - per each 632-B: Remove and Replace Existing Traffic Signal Cabinet Assembly, Type __ Cabinet, Type __ Controller - per each 632-C: Modify Existing Traffic Signal Cabinet Assembly - per each 632-D: Solid State Traffic Actuated Controller, Type __ - per each 632-E: Single-user Workstation Signal Software License - per each 632-F: Single-user Server Signal Software License - per each 632-G: Malfunction Management Unit - per each 632-H: Card Rack, ___ Position - per each 632-I: GPS Clock - per each SECTION 633 - UNINTERRUPTABLE POWER SUPPLY

633.01 Description. This section describes the minimum requirements for battery backup

systems including uninterruptable power supply and power conditioner.

633.01.1 Uninterruptable Power Supply (UPS). If required by the contract documents

or design plans, the cabinet assembly shall be provided with a UPS System. The UPS system shall be a turn-key, true on-line, solid state, microprocessor controller power conditioner and/or UPS system. The system shall continuously regenerate and condition the AC sine wave, where 100% of the power to the load, whether on utility or batteries, is generated by the on-board inverter. The UPS system shall be capable of operating, up to the rated power levels, in extreme environments (-40°F to +165°F) with existing cabinet equipment, including any and all signal heads whether Incandescent, LED or Neon.

633.02 Materials. The UPS system shall consist of three (3) major components: the

Electronics Module, the Manual By-pa ss Switch, and the Battery System.

633.02.1 Electronics Module. The Electronics Module shall be provided as follows:

 True Sinewave, Micro Processor controlled high frequency inverter.  A temperature compensated battery charger.  Local and remote control of UPS functions.  Local and remote communicates capabilities.  Utility By-pass Switch for by-passing the UPS for repair or removal.

633.02.2 The Manual Bypass Switch. A Manual By-pass Switch shall be provided as

follows:  The UPS shall incorporate an automatic, internal safety by-pass capability and a Manual By-pass Switch.  An optional interface connector shall be avai lable that allows an external generator or vehicle inverter to supply utility power when commercial utility has failed.  The UPS shall supply 120 VAC, 60 Hz, True Sinewave power when connected to either a generator or digital inverter power system

633.02.3 The Ba ttery System. The battery shall be comprised of extreme temperature,

deep cycle, AGM-VRLA (Absorbed Glas s Mat – Valve Regulated Lead Acid).

Source: Mississippi Standard Specifications for Road and Bridge Construction, 2017 Edition. Pages 532552 of 1,113.