714Traffic Signal Controllers

714.1 Description

This Work consists of providing and installing traffic-actuated controllers, special auxiliary control Equipment, and cabinets.

714.2 Materials

714.2.1 Traffic-Actuated Controller

These Standard Specifications and the National Electrical Manufacturers Association (NEMA) standards describe requir ed features, functions, and tes t procedures for traffic- actuated controllers. The Contractor shall provide TS2-Type I/ Type 2 controllers for State- maintained signalized intersections. The Contractor shall prov ide TS2 compatible controller Equipment. The Contractor shall not modify controllers, cabine ts, wiring harness, and other Equipment tested and approved by the State Signal Maintenance L ab. The Contractor shall obtain State Traffic Technical Support Engineer approval of Equ ipment in writing. The Contractor shall ensure controllers meet all requirements f o r a s o l i d - s t a t e s u r f a c e mount, NEMA, traffic-actuated c ontroller. The Contractor shall provide controllers that use the current designs employing microprocessors. Unless otherwise specified in the Contract, the Contractor shal l provide microprocessor controllers of a modular design. The Contractor shall provide controllers that consist of a main processor unit (MPU), input/output interface, and a power regul ator. Power transformer and capacitors may be rigidly fixed to the frame. The Contractor s hall ensure modules are easy to remove. The Contractor shall provide multi-terminal, Military Specifica tion (Mil-Spec)-type plugs for Standard and special function input/output electrical conne ctions on the front of the controller in accordance with NEMA interface Standards, or Depa rtment-approved controllers with RS-232-C Standard input/output ports. The Contractor shal l provide RS-232-C ports for communications and special functions. The Contractor shall equ ip controller cabinet with a K- 1 failouts relay in the back panel. The Contractor shall provide battery or super cap backup in the same module for power- down clock operation and battery or super cap-backed random-acc ess memory (RAM) for non-programmed data such as message logs for a minimum of 72 ho urs. The Contractor shall provide controller ports with the followin g capabilities: 1. Direct interface with a personal computer for uploading and downloading program data; and 2. Direct interface with a serial or Ethernet port for remote c ommunications with a personal computer and/or network connection. The Contractor shall provide port connections that prevent inte rruption to signal operation. The traffic-actuated controller shall have the capability to re port alarms to central computer remotely, without assistance from a System Master unit . The Contractor shall provide controllers with a keyboard and li quid crystal display (LCD) or touch screen on the front. The Contractor shall ensure the display has an adjustable Section 714: Traffic Signal Controllers Page 865 contrast and backlighting. The Contractor shall ensure the con troller design allows time based coordination and preemption programming through the controller keyboard. The Contractor shall provide controllers that can display alphanumeric timing, status, and programming information. The Contractor shall ensure each ring has a separ ate display for simultaneous, dual-ring display. The Contractor shall ensure the display has two (2) modes of operation: the run mode current phase that displays interval and remaining int erval time; and the programming mode that displays the phase, interval or programma ble function, and the time or value.

714.2.1 1 Programming Requirements

The Contractor shall provide controllers with a keyboard for en tering operator timing and functional data into nonvolatile memory and with a menu-driven interface and to enter, revise, and display operator data using a minimal number of keystrokes. The Contractor shall ensure key functions are clearly displ ayed on the front of the control ler. The Contractor shall ensure the controller is capable of storing operator data for at least 30 Days after disconnecting the primary power. The Contractor shall provide controllers capable of being progr ammed in different patterns of phase sequences: quad-left, sequential, or a combin ation of concurrent and sequential. The Contractor shall ensure the following: 1. The controllers allow pr ogramming of inactive phases. The Contractor shall provide a controller that displays operato r-entered times or values, before entering into memory. The Contractor shall ensure the c ontroller does the following: 1. Allows automatic sequencing through the programming; 2. Prevents unauthorized changes in the programming mode with a four (4)-digit numeric security code; and 3. Allows access to view stored information.

714.2.1 2 Internal Preemption

The Contractor shall provide controllers with internal preempti on, capable of railroad or emergency-vehicle preemption sequences. The Contractor shall e nsure that the internal preemption feature allows for at least six (6) independent pree mption programs. The Contractor shall make it possibl e to prioritize preemption; Del ay before preemption, cycle during preemption and hold phase assignments, and provide for p edestrian clearance through initial clearance yellow. The Contractor shall ensure preempti on intervals can be timed, and operator data programmed through the controller keyboard. The Contractor shall ensure operator-entered preempt data is printable. The Contractor sha ll provide railroad preemption in accordance with the Manual on Uniform Traffic Control Devices, current edition, requirements and include a track clearance phase. The Contract or shall ensure return-to-normal controller operation is in accordance with the plan-phasing diagram, and place a detector call on phases a s specified in the Contract.

714.2.1 3 Internal Coordination

The Contractor shall provide controllers with internal time bas ed coordination. The Contractor shall provide synchronization and control functions for coordinating actuated signalized intersections, without the use of interconnecting ca bles. The Contractor shall ensure coordination can be made on a time of Day, Day of week, and week of year basis. The Contractor shall provide a coordinator that functions as a Stan dard signal system coordinator, using Force Offs, Holds and Phas e/Ped Omits outputs, and Phase Green inputs, capable of Section 714: Traffic Signal Controllers Page 866 supervising the controller. The Contractor shall ensure that t he coordinator maintains the accuracy of the AC line frequency and without line voltage to a n accuracy of at least ± 0.005%. The Contractor shall provide battery or super cap backup capabl e of maintaining real time and memory for at least 72 hours. The Contractor shall pr ovide a time clock that keeps track of time of Day in seconds, Day of week, and date and prog rammable automatic daylight savings time changes. If a power disruption occurs, the Contra ctor shall ensure that the coordinator will automatically restart itself once line voltage returns. The Contractor shall provide a coordinator capable of 100 program changes, selectabl e on the minimum basis of ten (10) daily program groups, two (2) weekly programs, and ten (10) exception Days (Holidays). The Contractor shall ensure that the program chang e selectable to at least a minute, on or off of any single function. The Contractor shall provide coordinators with minimum selectab le system options of five

714.2.1 4 General Design Requirements

714.2.1 4.1 Components

The Contractor shall provide ti ming circuits consisting entirel y of solid-state surface mount electronic circuitry that use state-of-the art large-scal e integration (LSI) circuit techniques. The Contractor shall provide cross reference and d ata sheets showing the parameters of all solid-state devices used. The Contractor shall ensure that all switching functions operat e using solid-state surface mount electronic circuitry. The Contractor shall not use elect romechanical devices such as time/break relays or rotary, s tepping, or line-switches for swi tching functions. The Contractor shall provide pr inted circuit board assemblies c onsisting of surface mount technology that meet NEMA requirements for Traffic Signal contr ollers. The Contractor shall cover current-carrying traces with a solder mask Material. The Contractor shall coat boards containing components with a humidity sealant. In addition, th e Contractor shall clearly mark circuit reference desi gnations immediately adjacent to each com ponent. The Contractor shall de-rate all components with regard to heat -dissipating capacity and rated voltage so that in operation, under maximum air temperatu re and maximum applied voltage, there is no life shortening of the Material or shift i n values. The Contractor shall ensure the design life of components operating 24 h a Day is at least five (5) years.

714.2.1 4.2 Constancy of Intervals

Section 714: Traffic Signal Controllers Page 867 The Contractor shall provide a controller designed so that the length of any interval, portion, period, or unit extensi on may be set to two (2) signif icant digits and will remain within that accuracy level through an air temperature range of from 30 °F to 165 °F, with a line frequency of 60 Hz ± 0.3 Hz. This performance includes cold an d hot starts, obtained without the use of a power-consuming heating or cooling apparatus.

714.2.1 4.3 Power

The Contractor shall provide controllers and associated Equipme nt that use 115 V, 60- cycle, single-phase AC power.

714.2.1 4.4 Mechanical Construction

The Contractor shall provide controllers housed in either alumi num or steel sheeting or in a Department-approved housing with a durable finish. The Contractor shall plug printed circuit boards into receptacl es within the controller and provide with fastening devices to prevent loss or loosening dur ing transportation or handling. The Contractor shall provide controller assemblies interchangea ble with those of the same manufacturer and series.

714.2.1 4.5 Environmental, Interface, and Functional Requirements

The Contractor shall provide controllers in accordance with cur rent NEMA Standards TS2, or the latest NEMA Standards.

714.2.1 5 Controller Requirements

The Contractor shall provide internal programmed NEMA overlaps within the controller. The Contractor shall provide keyboard operator programming.

714.2.1 5.1 Phase Timing

The Contractor shall provide timing intervals for each traffic phase. The Contractor shall ensure the interval and minimum range of adjustment of the timi ng intervals is in accordance with Table 714.2.1.5.1:1, “Timing Intervals and Minimum Range o f Adjustment.” Table 714.2.1.5.1:1 Timing Intervals and Minimum Range of Adjustment Interval Timing range (s) Maximum resolution (second increments) Initial or minimum 0–255 1 Extension (gap) 0–25.5 0.1 Yellow change 0–25.5 0.1 Red clearance 0–25.5 0.1 Maximum (Max 1) 0–255 1 Maximum (Max 2) 0–255 1 Walk 0–255 1 Pedestrian clearance 0–255 1 Red revert 0–25.5 1 Section 714: Traffic Signal Controllers Page 868 714.2.1.5.2 Phase Control Functions The Contractor shall ensure each phase is capable of the follow ing functions: 1. Max Recall (Non Act). Automatically returns the phase and extends green timing to that of maximum green. In absence of an opposing phase dema nd, the controller rest in green; 2. Ped Recall (Non Act). Automatically returns phase to walk-ped clearance and vehicle Right-Of-Way withou t vehicle and pedestrian demand; 3. Veh. Recall (Ext.). Automatically places a recurri ng demand for vehicle service without actual vehicle demand when not in its green interval; 4. Non-Locking (Memory Off). Phase operates in fully actuated mode. Memory of vehicle demand is retained only wh en a vehicle is in the detect ion zone (detector outputting); and 5. Locking (Memory On). Phase operates in fully actuated mode. Memory of vehicle demand (detector output) is retained in the phase until that ph ase is served.

714.2.1 6 Operational Requirements

714.2.1 6.1 Timing Requirements

The Contractor shall provide an in itial interval control for ea ch phase that determines the guaranteed minimum green period for that phase. The minimum gr een period consists of the sum of the walk interval and the greater of the pedestrian clea rance interval or minimum green interval with pedestrian or pedes trian and vehicle actuation. The Contractor shall ensure that each phase provides vehicles a dditional green time beyond the minimum green time by vehicle actuations by means of an extension interval control. The Contractor shall ensure that successive actuation s cancel the remainder of the previous extension interval and initiate a new extension interv al for the vehicle that provided the actuation. Should transfer of right-of-way occur while an extension interval is un-expired, the Contractor shall ensure that the right-of-way returns at th e next opportunity in the cycle. The Contractor shall equip each phase with at least two (2) max imum green timing interval controls that set a limit on the time that continuous traffic during The Right-Of-Way phase can be extended, after an actuation is registered for any conflicting phase. Maximum interval (MAX 1) is for normal operation. Maximum interval (MA X 2) is for external and internal input. The Contractor shall provide each phase with a clearance period consisting of a yellow change interval and a red clearance interval, both of preset du ration. The Contractor shall ensure that the presence of a pedestrian i s registered upon actuation of a pedestrian push button during a pedestrian clear ance interval, or whenever the “Don’t Walk” signal is displayed, so that the walk signal occur s at the next assignment of Right-Of-Way to the phase. The Contractor shall ensure that th e phase is capable of recycling and providing pedestrian and pedes trian clearance intervals whe n a pedestrian actuation is registered on a phase with no demand for pedestrian or vehicula r Right-Of-Way on a conflicting phase. The pedestrian clearance interval is the mi nimum and guaranteed pedestrian protection. The Contractor shall ensure that the “D on’t Walk” display is steady during the remaining right-of- way and clearance intervals.

714.2.1 6.2 Phasing Requirements

Section 714: Traffic Signal Controllers Page 869 The Department does not want the Equipment to give the Right-Of -Way to any Street without an actuation (call). I n the absence of traffic or reca ll option, the Department wants the Right-Of-Way to remain on the Street where it was last assigned , unless the “RED REST” option is implemented. If the “RED REST” option is used, the C ontractor shall ensure that the controller cycles to all red and remains until a phase call. The Contractor shall provide controllers that operate in a conc urrent phase timing, dual- ring or sequential, single-ring configuration. The Contractor shall number and operate all phases in accordance with a NEMA dual-ring (quad-left) configur ation or sequential configuration. The Contractor shall provide controllers capabl e of operating at least eight (8) field phases. The Contractor shall provide controllers capable of assigning t he Right-Of-Way to a single phase or any combination of non-conflicting phases. The Contractor shall specify phases skipped on each ring for no demand, and recall functions for each phase for sequential controllers. The Contractor s hall provide controllers capable of providing at least four (4) overlap phases in any phase comb ination, and programmable on bo th a Standard NEMA plug- in overlap program board and operator keyboard entry.

714.2.1 6.3 Input/Output Features

The Contractor shall provide all controllers with all input/out put features per phase, ring, and unit in accordance with NEMA Functional Standards. The Con tractor shall wire any unused inputs or outputs to the controller and identify on the controller back panel per NEMA.

714.2.1 6.4 Initialization Requirements

The Contractor shall provide cont rollers with an initialization control to start at the beginning of: 1. The programmed green, yellow, or red interval of the selecte d phase(s); 2. The application of power; 3. The external start input; and 4. As specified in the Contract. The Contractor shall place v ehicle and pedestrian calls on phas es.

714.2.2 Traffic Control Systems

The Contractor shall ensure all systems meet the design, operat ional, and communication requirements specified in the Contract.

714.2.2 1 System Master

The Contractor shall provide a traffic-adjusted, arterial or mu lti-system, microprocessor design System Master. The Contractor shall provide units that shelf-mount in the controller cabinet with Mil-Spec or RS-232-C type connectors, and house in a metal cabinet in accordance with Section 714.2.1.5, “Controller Requirements.”

714.2.2 2 Closed Loop System

The Contractor shall provide a closed loop computer advanced tr affic management system (ATMS) that controls, operates, and supervises a Traffic Signal control system consisting of: Section 714: Traffic Signal Controllers Page 870 1. A computer facility for uploading and downloading traffic da ta; 2. A communications network; 3. Field Equipment; 4. System training; and 5. Alerts. The Contractor shall equip the system with software and periphe ral Equipment that is compatible with the existing controllers. The Contractor shall obtain pre-approval from the State Traffic Technical Support Engineer for the proposed system components. The Department wi ll reject the proposed Equipment, if shop drawings are submitted before obtaining pre- approval of the State Traffic Technical Support Engineer. The Contractor shall Implement timing Plans, if required. Per ipheral Equipment, communication Equipment, and field programming unit are a part of timing Plans, if specified in the Contract. The Contractor shall have a traf fic engineering consultant coll ect the data for turning movements for each intersecti on and develop a minimum of three (3) signal-timing Plans for the system at peak morning hours, peak mid-day hours, and peak evening hours as determined by the Project Manager or State Traffic Technical Su pport Engineer. The Contractor shall ensure that thes e Plans outline the objective, minimize intersection and overall system Delays, and indicate the trade-offs between main line optimization and side Street operations, including follow up timing adjustments and/o r fine tuning as required by the Department.

714.2.2 2.1 System Training

The Contractor shall provide a traffic engineering consultant t o train Department personnel for two (2) Days and assist in the following tasks: 1. Operation of program Arterial Master Controller or control s ystem; 2. Uploading and downloading traffic data; 3. Intersection and coordination timing; 4. Volume, occupancy, and standard and custom reports; 5. Counting traffic through system detectors; 6. Troubleshooting; 7. Maintenance; and 8. Initial system operation fo r progressive traffic movement. The Contractor shall submit the complete training program to th e Traffic Operations Engineer for approval, 15 Working Days before training is sched uled. The Contractor shall include working outlines of pres entations, videorecordings, and all manuals, handouts, and other Materials to be distributed during the training in the tr aining program.

714.2.2 3 Controller Interconnect Systems

The Contractor shall provide controller interconnect systems in accordance with the Contract.

714.2.2 4 Equipment Approval

The Department’s State Traffic Technical Support Engineer will approve all Equipment.

714.2.2 5 Delay/Extend Operation

If specified in the Contract, the Contractor shall include an o ption for Delaying or extending detection outputs for each channel. The Contractor s hall include switches to select Delay, extend or Delay time, extension or timer off operation f or loop vehicle detectors. The Contractor shall ensure the minimum range and steps are zero (0 ) s to 30 s in one (1)-second increments for Delay time, and zero (0) s to 7.5 s, in 0.5-seco nd increments, for extend time.

714.2.3 Cabinets, Support Equipment, and Wiring

The Contractor shall provide the components of the controller i n a sturdy, weatherproof metallic controller cabinet.

714.2.3 1 General

Unless otherwise specified in the Contract, the Contractor shal l wire all cabinets for the full application of all phases, pedestrian signals on all throu gh movements, and all normal overlaps for either four-phase single-ring operation, or eight (8)-phase dual-ring operation. The Contractor shall provide wi ring for all vehicle detection. The Contractor shall furnish the cabinet so that it is only nece ssary to add load switches, vehi cle detectors, disconnect any jumpers, and rearrange field conductors in order to implement a ny initially unused phases or functions. Unless specified in the Plans, all controllers and cabinets sh all be assembled and tested at the controller’s point of origin. The Contractor shall fabricat e all ground-mounted cabinets of a luminum that is at least ⅛ inch thick. The Contractor shall fabricate pedestal cabinets of aluminum at least ⅛ inch thick. The Contractor shall prov ide barrier type terminal bloc ks. The Contractor shall design and manufacture all cabinets for ri gid mounting with no flexing. The Contractor shall provide lifting tabs for all cab inets. The Contractor shall ensure that the types, internal components, and wiring arrangements of controller cabinets for an installation provide a complete o perating traffic control syste m.

714.2.3 1.1 Cabinet Design

The Contractor shall design the cabinet with one (1) door in th e front and one (1) door in the back and include a Corbin-tumbler lock Number 1548-1 for ea ch door. The Contractor shall provide an auxiliary door equipped with a treasury-type l ock Corbin Number R3575G5 for a police key on the front cabinet door. The Contractor shall provide door handles that accommodate a pa dlock in the closed position. The Contractor shall provide a rain channel over the door openings to prevent liquids from entering the enclosure. The cabinet door opening must cov er at least 80% of the cabinet’s front surface. The Contractor shall weld a stiffener plate across the inside of the doors to prevent flexing. The Contractor shall slope the top o f the cabinet toward the rear to prevent accumulation of water. The Contractor shall seal all seams with continuous weldon the interior of the cabinet. The Contractor shall provide an in-door weatherproof and dust-p roof, closed cell, neoprene gasket seal for the main door and police door to close against. The Contractor shall provide louvered air entrances in the lowe r section of the cabinet door that satisfy the NEMA rod entry test for 3R ventilated enc losures. The Contractor shall provide an air inlet at least 16 inch × 20 inch. The Contracto r shall secure a non-corrosive, vermin- and insect-proof, removable air filter to the air entra nce. The Contractor shall fit the filter fit snugly against the cabinet door wall. The Contracto r shall provide a one (1)-piece, continuous piano hinge for each d oor with a stainless steel pin that runs the entire door length, mounted on the right side when facing the cabinet. The Contrac tor shall attach hinges without rivets or bolts.

714.2.3 1.2 Cabinet Shelving

The Contractor shall support the controller and auxiliary Equip ment with metallic shelves or brackets. The Contractor shall provide at least two (2) she lves, unless approved otherwise by the Department. The Contractor shall support both ends of t he shelves with angle-type braces. The Contractor shall provide shelves strong enough to support the Equipment weight without sagging.

714.2.3 1.3 Control Cabinet Equipment Accommodation

The Contractor shall provide control cabinets large enough to: 1. Stand the controller assembly and associated Equipment uprig ht on the shelving; 2. Remove the controller assembly straight out without turning it sideways; and 3. Close the door without interfering with the wire harness run ning to the door. The Contractor shall not place Equipment on the floor of ground -mounted cabinets. The Contractor shall ensure that it is possible to remove all Equip ment and wall-mounted devices without relocating or unpacking devices. The Contractor shall not allow cabinet wiring to obscure the front panels of control Equipment.

714.2.3 1.4 Control Cabinet Dimensions

The Contractor shall size cabinets as shown in Table 714.2.3.1. 4:1, “Control Cabinet Dimensions Requirements,” or as specified in the Contract. The Contractor shall meet the space requirements of Section 714. 2.3.1.3, “Control Cabinet Equ ipment Accommodation.” Table 714.2.3.1.4:1 Control Cabinet Dimensions Requirements Type of cabinet Outside dimensions H x W x D (inch) Use G 33 x 20 x 14 If specified on Plans M 48 x 30 x 16 If specified on Plans MS 54 x 38 x 24 4-phase single-ring operation P 54 x 38 x 24 8-phase dual-ring operation R 72 x 38 x 24 If specified on Plans

714.2.3 1.5 Cabinet Mounting Hardware

The Contractor shall provide ground mount type cabinets with in ternal bolts for controllers, unless otherwise required in the Contract. The Co ntractor shall have anchor bolts and templates for cabinet installation on site before installin g the concrete base for the controller.

714.2.3 1.6 Cabinet Finish

1. The Contractor shall cabinet finish per user agency; or 2. For powder coating, the Contractor shall use the following t wo (2) coat finish: a. A four (4) stage iron phosphate coating, and b. A triglycidyl isocyanurate polyester powder coat paint match ing Federal Standard 595A Color Chip 27886, with a minimum thickness of two (2) mm.

714.2.3 2 Cabinet Wiring, Terminals and Facilities

The Contractor shall provide wi ring, terminals, and facilities within the cabinet in accordance with NEMA TS2, or the latest NEMA Standards. The Contractor shall perform all field flash sequence programmi ng at the field terminals using only a screwdriver or flas h color plug. The Contractor s hall not debus the field terminal blocks for flash programming. The Contractor shall provide fi eld terminal blocks wired with f our (4) positions per vehicle or overlap phase (green, yellow, red, and flash). The Contract or shall ensure that all harness and cabinet wiring is neat, firm , and bound together with cable tie wraps or equivalent. The Contractor shall meet the gauge and color requirements in Table 714.2.3.2:1, “Back Panel Wiring Requirements.” Table 714.2.3.2:1 Back Panel Wiring Requirements Description Wire color Gauge Green/Walk load switch output Brown 14 Yellow load switch output Yellow 14 Red/Don’t Walk load switch output Red 14 CMU (other than AC power) Violet 22 Controller I/O Blue 22 AC + (power panel to main panel) Black 8 AC + (main panel) Black 10 AC - (power panel to main panel) White 8 AC - (main panel) White 10 Chassis ground (power panel) Green 8 DC ground Grey 22 Flash programming Orange 14 The Contractor shall meet MIL-W-16878/1, type B/N, 600 V, 29-st rand tinned copper for 14 AWG and thinner wire. The Contractor shall ensure that the wire has at least 0.02 inch thick PVC insulation with clear nylon jacket and rated to 220 ° F, 600 V. The Contractor shall secure all connecting cables and wire runs with mechanical clamps. The Contractor shall not use stick-on type clamps. The Contrac tor shall isolate logic ground and chassis ground from each other within the cabinet. The Con tractor shall not tie chassis ground and AC together within the cabinet. The Contractor shal l hook or loop all wire around the eyelet or the terminal block post before soldering to ensur e circuit integrity. The Section 714: Traffic Signal Controllers Page 874 Contractor shall not use lap joint soldering, butt type connect ions, or splices. The Contractor shall ensure that all cabinet w iring is continuous from its ori gin to its termination point. The Contractor shall permanently number and label all back pane l, D interface panel, and detector panel terminal blocks. The Contractor shall make all pedestrian push button inputs from the field to the controller opto-isolated or relay-isolate d to prevent transients and AC from entering the controller.

714.2.3 2.1 Back Panel

The Contractor shall use a back panel and power bus panel to te rminate all DC logic wiring. The Contractor shall locate this panel on the back of the cabinet below the Equipment shelves and include the load bay and the flasher-flasher relays . The Contractor shall ensure that all terminals and plug-in units are accessible without mov ing any Equipment. The Contractor shall permanently pre-wire the back panel to the controller harness, conflict harness, and detector inputs. The Contractor shall ma ke DC wiring connections ¼ inch quick-connect tab type, 300 V and 20 A rated. The Contr actor shall mechanically strip the wire ¼ inch, and solder or firmly crimp the tab covering th e wire and insulation. The Contractor shall solder AC connections on the panel back and al l connections to the load switch/flasher receptacles. The Contractor shall bring all NEMA functions to the front of t he panel with a screw type connector. The Contractor shall ensure that it is possible to program, using jumpers such as clips or wires, the signal outputs for all the types of phasing operations possible for the specified controller, and to access all NEMA functions on the f ront for future auxiliary Equipment. The Contractor shall clearly mark the terminal func tions on the back panel with the appropriate NEMA designation. When the auxiliary Equipment logic is specified in the Contract, the Contractor shall make connections on the front of the panel. The Contractor shall mount the panel with clearance between the cabinet wall and the panel's back connections. The Contractor shall ensure that it is possible to drop the panel in the field (access back wiring) using simple hand tools. The Co ntractor shall rack mount the load bay, including flasher. The Contractor shall adequately s upport the load switches and flasher after insertion to prevent falling out due to vibration s. The minimum positions for plug- in units are listed in Table 714 .2.3.2.1:1, “Load Switch/Flasher Unit Positions.” Table 714.2.3.2.1:1 Load Switch/Flasher Unit Positions Type of cabinet Load switch positions Flash relay positions NEMA flasher Phase single ring 8 2 1 8-phase dual-ring 16 4 1

714.2.3 2.2 Power Distribution Panel

The Contractor shall locate the power distribution panel on the lower right-hand side of the cabinet and fully enclosed to prevent accidental shock. Th e Contractor shall include the main power feed terminal (barrier type), the required AC protec tion from lightning (EDCO SPA-300 surge arrester or approved equal), filter (RFI), MOV to ground, with a removable cover, and any National Electrical Code® requirements in the po wer panel. Section 714: Traffic Signal Controllers Page 875 714.2.3.2.3 Detector Panel and Rack The Contractor shall provide a detector panel on the left-hand side of the cabinet. The Contractor shall provide termin al blocks (barrier type) with re movable buss bars for all detectors and pedestrian push-bu tton field conductors. The Con tractor shall include the “J” pin conductor appropriately terminated for extend/Delay operati on on the detector rack. The Contractor shall provide detector rack positions in accorda nce with Table 714.2.3.2.3:1, “Required Detector Rack Positions,” Table 714.2.3.2.3:2, “Four (4)-Phase Single-Ring Operation 16-Channel Detector Rack Order of Positio ning,” Table 714.2.3.2.3:3, “Eight (8)-Phase Dual-Ring Operation 16-Channel Detector Rack O rder of Positioning,” and Table 714.2.3.2.3:4, “Eight (8)-P hase Dual-Ring Operation Addit ional Detector Rack.” The Department will not require detector racks when video vehicle d etection is used. Table 714.2.3.2.3:1 Required Detector Rack Positions Type of cabinet Detector rack positions Detector terminal blocks 4-phase single-ring 16 16 8-phase dual-ring 16 16 8-phase dual-ring Up to 32 Up to 32 Table 714.2.3.2.3:2 4-Phase Single-Ring Operation 16-Channel Detector Rack Order of Positioning PH1 PH2 PH4 PH2EC PH1 SD1 SD2 SD4 PH3 PH2 PH4 PH4EC PH3 SD3 SD2 SD4 Table 714.2.3.2.3:3 8-Phase Dual-Ring Operation 16-Channel Detector Rack Order of Positioning PH1 PH2 PH6 PH2EC PH3 PH4 PH8 PH4EC PH5 PH2 PH6 PH6EC PH7 PH4 PH8 PH8EC Table 714.2.3.2.3:4 8-Phase Dual-Ring Operation Additional Detector Racka Dual lefts System detectors and preemption PH1 PH3 SD1 SD2 SD6 SD3 SD4 SD8 PH5 PH7 SD5 SD2 SD6 SD7 SD4 SD8 aProvide only additional c hannels required on Plans The Contractor shall provide connector/pin assignments (Two (2) x 22 pin edge card connector with 0.156 in contact centers, key slots located betw een B and C, and M and N) in accordance with Table 714.2.3.2.3:5, “Connector/Pin Assignments .” Table 714.2.3.2.3:5 Connector/Pin Assignments Connector/pin Assignment

714.2.3 2.4 “D” Connector Panel

The Contractor shall provide a “D” connector panel and harness with each cabinet assembly on the left-hand side of the cabinet and fully wired t o provide all functions. The Contractor shall ensure the panel contains provisions for mount ing two (2) 120 V AC relays for preempt inputs 1 A, 2 A, and ¼ A fuse for each relay.

714.2.3 2.5 Terminal Labeling

The Contractor shall number and identify all terminals. The Co ntractor shall not use the same nomenclature used on the controller assembly-wiring diagra m, such as phase numbers.

714.2.3 2.6 Telemetry Interface Panels

The Contractor shall provide each cabinet assembly with a telem etry interface harness and printed circuit board interface panel to support and protec t communications required. The Contractor shall provide the telemetry interface panel with a socket-mounted, communication line transient protection device wired in series with the telemetry communication circuit where copper is used. The Contractor sha ll match the communication line impedance with the transmitter output impedance to minimiz e line noise.

714.2.3 2.7 Wiring Diagrams

The Contractor shall provide two (2) sets of wiring diagrams fo r each cabinet. The Contractor shall provide a plas tic envelope in the cabinet to h ouse one (1) cabinet wiring diagram. The Contractor shall submit these wiring diagrams wit h the Equipment to the Department Signal Laboratory before testing begins. For Projec ts, the Contractor shall include city and intersection names on the diagrams. Section 714: Traffic Signal Controllers Page 877 The Contractor shall show the connectors for all Equipment and switches, relays, and flashers on the cabinet wiring diagrams.

714.2.3 2.8 Additional Required Terminals, Protection Devices, and Switches

The Contractor shall provide the following additional terminals , protection devices, and switches for all cabinets: 1. A UL-listed 20 A circuit break er for filtered AC power servi ng all solid-state devices including load switches; 2. A separate 20 A circuit breaker for AC circuit serving the g round fault circuit interrupter (GFCI) outlets, fan, and light; 3. A separate 20 A circuit breaker for advance warning flasher, if specified in the Contract; 4. Copper ground strip, mounted and ground to cabinet wall, for connection of all common conductors; 5. Terminate all field signal output circuits on an unfused ter minal block with a minimum rating of 15 A. Provide AC field terminals with a scre w with diameter at least 7/16 inch; 6. Provide terminal blocks to terminate a special Equipment har ness. Locate these terminals on the right-hand side of the cabinet, above the powe r distribution panel; 7. Terminals for connecting inte rconnect cable tie points and i nter-cabinet, termination when required. Provide transien t protection on all external li nes; 8. One (1) quad outlet for Equipment mounted on the upper left hand side of the cabinet. A second duplex GFCI c onvenience outlet for tools and testing Equipment mounted on the upper right hand side of the cabinet. Use NEMA Type 5-15R outlets; 9. Switches behind police auxiliary door including: 9.1. Main switch, identified “On-Off,” wired to turn off signal light power when switched to off position and to de-energize the field lighting. Provide a 20 A minimum rated switch and connecting wiring; 9.2. Auto flash switch, identified “Auto Flash,” wired to keep controller energized and to place signals on flash when switched to flash position. Provide a controller with stop timing that applies, when in the flash pos ition; 10. Interior cabinet s witches including: 10.1. Interior Switches and Convenience Outlet. Combine on a single panel and mount on the inside of the cabinet door, unless otherwise noted . P r o v i d e heavy duty and rated at least 15 A switches, except for the mai n switch. Cover any exposed terminals or switch solder points with a nonf lexible shield. Permanently label switch functions. Protect wire routed to the police door, in door, and test push button panel against damage from opening an d closing of the main door; 10.2. Test Switch. A two (2)-position switch, label ed “Auto Flash,” wired to de- energize the signal light power when switched to flash position , and to allow the controller to cycle through its normal sequences while disp laying flash indications on signals; 10.3. “Controller On/Off” Switch. A two (2)-position switch, labeled “Controller On/Off,” wired to de-energize the controller and auxiliary Equi pment when switched to the off position; Section 714: Traffic Signal Controllers Page 878 10.4. Vehicle and Pedestrian Detector Switches. Two (2)-position momentary switches labeled “ON, TEST,” wir ed to each vehicle and pedestri an detector input to allow the substitution of manual call into each contro ller detector input. Identify switches as to phase or function; 10.5. Preemption Test Switches. Provide test switches to allow a manual preempt input. Provide each preemption phase with a separate switch wi th each phase that is appropriately identified; 10.6. Door Ajar/Open Switch. Include a door switch for each cabinet to log an event to the System Master that the door is open or ajar; 10.7. LED Light Door Switch. Include a door switch for each cabinet that turns the cabinet LED lights on when the cabinet door is open; 10.8. Load switches and flashers shall be discrete; 11. Radio line filter (RFI) for filtering AC lights and to cont rol power for solid-state light control and controller operation; and 12. Pedestrian push-button isolation (field circuit) to protect solid-state devices from transient voltages, (to prevent transients from being induced i n the open pedestrian push-button circuits by isolati on transformers, or by opto-isol ation).

714.2.3 2.9 Additional Cabinet Features

The Contractor shall provide the following additional cabinet f eatures: 1. Cabinet Fan. Mount a thermostatically controlled, manually adjustable fan in the controller cabinet, set to turn on at cabinet temperatures of f rom 70 °F to 160 °F. Locate the fan near cabinet vent holes to direct the airflow ov er the controller unit. Cover the inside opening with a maximum ¼ inch mesh screen to p revent the operator from contacting the fan blades. Provide a filter for the cabinet intake fan vent; 2. LED Light. Mount a LED fixture in the cabinet over the door; position to m inimize damage when sliding Equipment off shelves. Mount a LED fixture on the bottom of the cabinet shelf, position to m inimize damage. Secure LED lig hts separately when transporting to avoid breakage; 3. Door Stops. Provide a stop for each controlle r cabinet door of 22 inch or g reater width, or six (6) ft2 or greater area to lock the door opening at both 90° and 180°, ± ten degrees (10°). Provide the stop with a catch for the 180 ° position, so it stays open until released.

714.2.3 2.10 Solid State Signal and Pedestrian Load Switches

The Contractor shall provide signal load switches external to t he controller and carried in the back panel load bay. The Contractor shall provide signal c ontrol load switches in accordance with NEMA Standards. The Contractor shall provide a signal control assembly consisti ng of a separate plug-in unit containing the control circ uitry for the operation of thre e (3) separate signal lamp circuits. The Contractor shall provi de interchangeable vehicle and pedest rian control assemblies. The Contractor shall not use any unused output of each control asse mbly for any other function or phase, unless otherwise specified in the Contract. The Contractor shall provide circ uitry consisting of solid-stat e electronic components. The Contractor shall not use mechanical relays for the opening and closing of signal light circuits or for any other purpose. The Contractor shall provid e a design life of five (5) years or more for all components operating 24 h a Day in their circuit a pplication. The Contractor shall rate all load switches at least 15 A. The Contractor shall include three (3) LED indicators on the face of each load, visible thro ugh the door opening of the cabinet, and connected to the input functions.

714.2.3 2.11 Solid-State Flasher

The Contractor shall provide each controller cabinet with two ( 2) NEMA type 3, 15 A minimum per circuit, dual-circuit , solid-state flasher sockets external to the controller and carried in the back panel load bay. The Contractor shall provi de solid-state flashers in accordance with NEMA Standards. The Contractor shall provide open, multi-contact plug type flas her transfer relays. The Contractor shall provide enough relays to allow any combination of flashing RED or YELLOW indications. The Contractor shall wire one (1) RC network in p arallel with each group of three

714.2.3 2.12 Malfunction Management Unit (MMU-16)

A malfunction management unit shall be furnished with each Traf fic Signal controller cabinet. All (MMU-16E, or MMU-16LE Smart Monitor with Ethernet port where required) units shall be the self-contained, shelf mounted type with the approp riate NMEA MS, Port 1 SDLC, RS232 and ethernet Connector(s). The Specification sets forth the minimum requirements for a shelf-mountable, sixteen channel , solid-state Malfunction Man agement Unit (MMU). The MMU shall meet, as a minimum, all applicable sections of the mo st current NEMA Standards Publication. Where differences occur, this S pecification shall govern. 1. Monitoring Functions The following monitoring functi ons shall be provided in additio n to those required by the NEMA Standard Section 4; 2. Dual Indication Monitor Dual Indication monitoring sha ll detect simultaneous input comb inations of active Green (Walk), Yellow, or Red (Don’t Walk) field signal inputs o n the same channel; 3. Dual Indication Monitoring Sixteen switches labeled FIELD CHECK/DUAL ENABLES shall be prov ided on the MMU front panel to enable Dual Indi cation Monitoring on a per c hannel basis; 4. GY-Dual Indication Monitor GY-Dual Indication monitoring shall detect simultaneous inputs of active Green and Yellow field signal inputs on the same channel; 5. Field Check Monitoring Sixteen switches labeled FIELD CHECK/DUAL ENABLES shall be prov ided on the MMU front panel to enable Field C heck Monitoring on a per chann el basis; 6. Field Check Monitor 7. Field Check Status 8. Recurrent Pulse Monitoring 9. External Watchdog Monitor Section 714: Traffic Signal Controllers Page 880 The MMU shall provide the capability to monitor an optional ext ernal logic level output from a Controller Unit or other external cabinet circuit ry; 10. Walk Disable Option The MMU shall provide the capability to exclude the Walk inputs from the Red Fail fault detection algorithm when operating in the Type 12 mode; 11. Type Fault Monitor 12. Configuration Change Monitor 13. CVM Log Disable The MMU shall provide a means to disable the logging of CVM fau lt events; 14. Display Functions The following display functions shall be provided in addition t o those required by the NEMA Standard Section 4; 15. Full Intersection Channel Status Display 16. Fault Channel Status Display 17. Field Check Status Display 18. Recurrent Pulse Status Display 19. Type 12 Mode Indicator The Type 12 Indicator shall illuminate when the MMU is programm ed for Type 12 operation; 20. Type 12 Mode Indicator The DUAL INDICATION indicator shall illuminate when a DUAL INDI CATION Fault is detected; 21. Power Indicator 22. Port 1 Receive Indicator 23. Port 1 Transmit Indicator 24. RS232 Receive Indicator 25. Program Card/CF Indicator 26. Y+R Clearance Indicator 27. Field Check Fail Indicator 28. Operating Modes The MMU shall operate in both the Type 12 mode and Type 16 mode as required by the NEMA Standard; 29. Hardware, Enclosure Overall dimensions, including mating connectors and harness, sh all not exceed 10.5 inches x 4.5 inches x 11 inches (H x W x D). a. The enclosure shall be constructed of sheet aluminum with a minimum thickness of 0.062 inches, shall be finished with and attractive and durable protective coating. Model, serial number, and program informat ion shall be permanently displayed on the top surface; 30. Electronics A microprocessor shall be used for all timing and control funct ions. Continuing operation of the microprocessor shall be verified by an indepen dent monitor circuit, which shall force the OUTPUT RELAY to the de-energized “fault” state and indicate and error message if a pulse is not received from the microproc essor within a defined period not to exceed 500 ms. Section 714: Traffic Signal Controllers Page 881 a. High speed sampling techniques shall be used to determine th e true RMS value of the AC field inputs. Each AC input shall be sampled a t least 32 times per line cycle. The RMS voltage measurement shall be insensiti ve to phase, frequency, and waveform distribution; b. In the interest of reliability, only the PROM memory device for the microprocessor firmware shall be socket mounted. The PROM Memo ry socket shall be a precision screw machine type socket with gold contac t finish providing a reliable gas tight seal. Low intersection force so ckets or sockets with “wiper” type contacts shall not be Acceptable; c. All user programmed configur ation setting shall be stored in an electricity erasable programmable read-only memory (EEPROM) or front panel DIP switches. Designs using a battery to maintain configuration sh all not be accepted; d. All 120 VAC field terminal inputs shall provide an input imp edance of at least 150K ohms and be terminated with a resistor having power dissip ation rating of 0.5 Watts or greater; e. All electrical components used in the MMU shall be rated by the component manufacturer to operate over the full NEMA temperature range of -34ºC to +74ºC; f. All printed circuit boards shall meet the requirements of th e NEMA Standard plus the following requirements to enhance reliability: i. All plated-through holes and ex posed circuit traces shall be plated with solder; ii. Both sides of the printed circuit board shall be covered wi th the solder mask Material; iii. The circuit reference designated for all components and th e polarity of all capacitors and diodes shall be clearly marked adjacent to the c omponent. Pin #1 for all integrated circ uit packages shall be designated on both sides of all printed circuit boards.; iv. All electrical mating su rfaces shall be gold plated; v. All printed circuit board assemblies shall be coated on both sides with a clear moisture-proof and fungus-proof sealant. 31. Front Panel & Connectors All displays, configuration sw itches, and connectors shall be m ounted on the front panel of the MMU. All MMU configuration inputs beyond those re quired by the NEMA Standard shall be provided by front panel mounted DIP swit ches and shall be clearly labeled. Configuration DIP switches shall be provided for the following functions: Field Check / Dual Enables 1-16 a. GY-Dual Indication Enable (GY ENABLE); b. Recurrent Pulse Test Disable (RP DISABLE); c. External Watchdog Enable (WD ENABLE); d. Walk Disable (Type 12); e. Configuration Change Fault Enable (CF ENABLE); f. CVM Log Disable. 32. MS Connectors 33. EIA-232 Port or Ethernet Section 714: Traffic Signal Controllers Page 882 The EIA-232 port or Ethernet shall be electricity isolated form the MMU electronics using optical couplers. The c onnector shall be an AMP 9721A or equivalent nine (9) pin metal shell D subminiature t ype with female contacts. Pin assignments shall be as shown in the following table: PIN FUNCTIONS 1 DCD* 2 T X D A T A 3 R X D A T A 4 DTR (Data Terminal Ready) 5 SIGNAL GROUND 6 D S R * 7 D S R * 8 C T S * 9 NC *Jumper options shall be provided to allow the connection of P in #4 to be made with Pin #7, and the connection of Pin # 8 to be made with Pin #1 an d or Pin #6. 34. Event Logging Functions 35. Monitor Status Report (CS) 36. Previous Fault Log (PF) 37. AC Line Event Log (AC) 38. Monitor Reset Log (MR) 39. Configuration Change Log (CF) 40. Signal Sequence Log (SSQ)

714.2.4 Remove and Reset Signal Controllers and Controller Cabinets

If the Contract requires the Contractor to remove or reset sign al controllers or controller cabinets, the Contractor shall use Materials for new foundation s in accordance with Section 708, “Foundations for Signal and Lighting Installations .” The Contractor shall use new anchor bolts for resetting cont roller cabinets. The Contractor shall provide anchor bolts fabricated from high strength steel bars with minimum yield str ength of 55,000 psi, or steel in accordance with AASHTO M 314.

714.3 Construction Requirements

714.3.1 General

If the Contract specifies new traffic-actuated controllers and controller cabinets, the Contractor shall provide controllers and cabinets from the same manufacturer. If the Contract requires a System Master, the Contractor shall provide a System Master and controller from the same manufacturer. The Contractor shall install Traffic Signal controller cabinets on concrete bases, if specified in the Contract, or as directed by the Project Manage r. The Contractor shall face the cabinet door away from the Street, unless otherwise specified i n the Contract. Upon installation of a ground-mounted controller cabinet, the Contra ctor shall place the necessary caulking between the cabinet and c oncrete base to create a weat her-resistant and dust-tight seal. The Contractor shall not p lace conduit entries into the side of the cabinet. Section 714: Traffic Signal Controllers Page 883 714.3.1.1 Foundations The Contractor shall install foundations and anchor bolts for c ontrol cabinets in accordance with Section 708.3.2, “Control Cabinet Foundations.”

714.3.2 Testing

The Contractor shall transport the controllers and cabinets, an d any specified auxiliary Equipment to the Traffic Servic es Signal Laboratory in Santa Fe . The controller Cabinet including all associated internal components shall be assembled and tested at the manufactured point of origin. D ocumentation and/or certificati on of tests performed at the factory shall be provided for each Controller Cabinet, includin g make, make model number(s), and serial number(s). Controller Cabinets and internal compone nts shall be shipped as one

714.3.3 Turn-On

The Contractor shall not turn-on controllers and auxiliary Equi pment after installation, until the Signal Lab Technician inspects and approves the entir e signal system. Section 714: Traffic Signal Controllers Page 884 The Contractor shall provide th e Project Manager, Traffic Servi ces Signal Laboratory, Signal Design Engineer, and the Ma intaining Agency written noti ce at least ten (10) Working Days before the anticipated turn-on time. Personnel of the Dep artment signal Laboratory, and the Maintaining Agency must be present during the initial turn- on. If specified in the Contract, the Contractor shall ensure that the qualified manufacturer’s r epresentative is present at the turn-on and conducts a training session for special controller Equipment. The Contractor shall remove conflicting traffic control signing after turn-on, as directed by the Project Manager.

714.3.4 Modifications

If the Contract requires modifica tions or additions to an exist ing cabinet, the Contractor shall use a qualified signal manuf acturer’s representative to p erform this Work. Cabinet wiring diagrams from the Traffic Services Signal Labora tory in Santa Fe are available. The Contractor shall return proposed modifications to these wiring diagrams to the Department’s Signal Design Engi neer and obtain approval before starting any cabinet modification Work. Signal Lab personnel or delegated represent atives must inspect the Work before the system is re-energized.

714.3.5 Removing and Resetting of Signal Controller

If the Contract specifies the removal or reset of a signal cont roller, the Contractor shall disconnect the existing controlle r from the cabinet, remove the controller and relocate it to the new location, and reinstall the controller in a new or used con troller cabinet.

714.3.6 Remove and Reset Signal Controller Cabinet

The Contractor shall construct a new foundation at the specifie d location, then remove the existing cabinet and reloc ate the signal controller cabinet to the new foundation, using new anchor bolts. The Contractor shall reconnect field wiring including loop lead -in cables, detection, power, pedestrian pushbuttons, si gnals, and signal controllers, to provide a complete and operational signal.

714.4 METHOD OF MEASUREMENT—Reserved

714.5 Basis of Payment

Pay Item Pay Unit Traffic-Actuated Controller Each System Master Each _____(Type) Controller Cabinet Each Closed Loop Traffic Control System Lump Sum Remove and Reset Signal Controller Each Remove and Reset Controller Cabinet Each Controller Interconnect System Each Section 715: Beacons and Temporary Signal Equipment Page 885 SECTION 715: BEACONS and TEMPORARY SIGNAL EQUIPMENT

715.1 Description

This Work consists of providi ng and installing hazard identifi cation beacon units (HIBU), radar feedback units, rectangular rapid flashing beacon (RRFB) and temporary signals. Each complete HIBU, A/C Power feed consists of the following: 1. Beacon Assembly (A/C Power Feed); 2. One (1) Section Traffic Signal Assembly; 3. Type I Standard (15 feet), and foundations; 4. Sign Panels; and 5. External A/C power, meter, wiring, and conduit system. Hazard Identification Beacon Unit, Solar Powered - Each comple te HIBU, Solar Powered consists of the following: 1. Beacon Assembly (Solar Powered); 2. One (1) Section Traffic Signal Assembly; 3. Type I Standard (18 feet), and foundations; and 4. Sign Panels.

715.2 Materials

There are two (2) types of Beacon Assembly based on power sour ce which can be A/C power Feed or Solar Powered.

715.2.1 A/C Power Feed

Beacon Assembly (A/C powered) consists of flasher controller, flasher with or without time clock, and either pole mounted or ground mounted cabinets. The assembly includes all internal wiring, conduits, and hardware or Material to make a c omplete and working unit in the HIBU. Additional options maybe indicated as needed. The optio ns are Incidental to Beacon Assembly and may include but not limited to the following: 1. Internet connectivity; 2. Modem; 3. Two (2)-way radio; 4. WiFi or Alpha pager controlled; 5. GPS enabled; and 6. Battery backup.

715.2.1 1 Flasher Controller

The Contractor shall provide a flasher controller assembly inc luding a flasher, cabinet, and time clock. The Contractor may mount the assembly on the s ide of the pole or place it in a ground-mounted cabinet. The Contractor shall provide a meter in accordance with the Plans.

715.2.1 2 Flasher

Section 715: Beacons and Temporary Signal Equipment Page 886 The Contractor shall provide a flasher unit with an alternatin g two (2)-circuit (115 V AC), solid-state plug-in type with a 15 A or greater rating per circ uit. The Contractor shall design the unit to plug into a pre-NEM A electro mechanical base (five (5)-banana jack, female base) type or (five (5) socket, male base) type. The Contractor shal l ensure the units are interchangeable among the types used. The Contractor shall pro vide flasher units in a solid state with no moving parts. The Contractor shall provide units that use zero (0) voltage switching with 50% on time, and a flash rate of from 50 to 60 p er minute. The Contractor shall provide flasher units designed to operate at full capability in air temperatures ranging from negative thirty degrees (-30°) F to 160° F.

715.2.1 3 Pole-Mounted Beacon Control Cabinet

The Contractor shall provide a cabinet made of sturdy, cast or sheet aluminum housing with a hinged main door equipped with a lock for a police key. The Contractor shall provide two (2) police keys with each cabinet. The Contractor shall provide a cabinet at least 12 inch wide x ten (10) inch high x six (6) inch deep, or as required to house the specified Equipment. Th e Contractor shall ensure switches and controls are accessible through the front door. T he Contractor shall provide side-of-pole mounting cabinets. The Contractor shall provide a ccess to the cabinet through a hole located in the bottom and top, drilled and threaded to Acc ept a 1 1/2 inch galvanized rigid conduit, unless otherwise specified in the Plans. All cabinets (inside and outside surfaces) shall be finished as follows: 1. Cabinet finish per user agency; 2. For powder coating, the Contractor shall use the following t wo (2) coat finish: a. A four (4) stage iron phosphate coating; b. A triglycidyl isocyanurate polyester powder coat paint match ing Federal Standard 595A Color Chip 27886, with a minimum thickness of 2mm . T h e Contractor shall provide neat and firm cabinet wiring. The Con tractor shall lace or, bind together, wiring and harnesses with Ty wrap or an equi v a l e n t . T h e Contractor shall number and identify terminals in accordance wi th a cabinet- wiring diagram provided by the Supplier. The Contractor shall ensure that the flasher cabinet includes the follo wing terminals, protection de vices, and switches; 3. Terminal (barrier type) for 115 V AC power feed; 4. Main power supply circuit br eaker with at least a 15 A ratin g; 5. One (1) terminal (barrier ty pe) for each circuit for field c onductor to beacons; 6. Signal shutdown switch that does not affect clock power; 7. Copper ground strip grounded to the cabinet for connection o f common conductors; 8. Terminal (barrier type) for time switch opening and closing; 9. Radio line filter for filtering AC power; and 10. Lightning arrester for filtering lighting or high voltages to the ground for protection of Equipment. If specified, the Contractor shall provide a flasher controlle r including a time switch. The Contractor shall provide a time switch using a weekly time cloc k programmable for the on/off function up to eight (8) times a Day and 40 times a week. The Contractor shall ensure the switch/controller allows a user to vary or omit a Day program. The Contractor shall provide time switches that a user can program with a keyboard and/or di gital switches. The Contractor shall provide an LED display of the time of Day and keyboard en tered data. Section 715: Beacons and Temporary Signal Equipment Page 887 715.2.1.4 Ground-Mounted Beacon Control Cabinet The Contractor shall provide NEMA 3R and 12, rain tight ground -mounted beacon control cabinet, electrically welded and reinforced where specified in the Plans. The Contractor shall provide stainless steel nuts, bolts, screws, and hinges. The C ontractor shall provide phenolic nameplates. The Contractor shall mark control wiring at both e nds with permanent wire markers and attach a plastic covered wiring diagram to the insi de of the front door. The Contractor shall provide a factory-wired cabinet in accordance with NEMA Standards, and bearing a UL 508 label.

715.2.1 5 Time Clock

The Contractor shall provide a time clock with an automatic Da ylight Savings Time correction. The Contractor shall ensure the time switch allows the flashing field indications to be turned on or off manually or on a time of Day basis. The Co ntractor shall mount the time clock unit on the backside of the door. All cabinet wiring shall be neat and firm. All wiring and har nesses shall be laced or bound together with Ty wrap or equivalent. All terminals shall be numbered and identified in accordance with a cabinet-wiring diagram, which shall be furnis hed by the supplier. The SPTCS cabinet shall include the following: 1. Main power supply circuit breaker, as required. 2. Copper ground strip, grounded to cabinet, for connection of all common conductors. 3. Lightning Suppression for i ndividual loops and communication system.

715.2.1 6 Solar Power Unit

Beacon Assembly (Solar Powered) consists of flasher controller , flasher with or without time clock, pole mounted cabinets, Solar panels, batteries, and battery cabinets. The assembly includes all internal wiring, conduits, and hardware o r Material to make a complete and working unit in the HIBU. A dditional options maybe indicat ed as needed. The options may include but not limited to the following: 1. Internet connectivity; 2. Modem 3. Two (2)-way radio; 4. WiFi or Alpha pager controlled; 5. GPS enabled; and 6. Battery backup.

715.2.1 6.1 Solar Flasher

The Contractor shall provide a flasher unit designed for use w ith solar powered systems with an alternating two output circuit (12V DC) using standard eight (8)-pin octal base. Each output rated six (6) amps – working with LED signal lamps. The Contractor shall provide flasher units in a solid state with no moving parts. Flasher u nits must be designed to operate at full capability in air temperatures ranging from negative th irty degrees (-30°) F to 160° F.

715.2.1 6.2 Solar Pole-Mounted Beacon Control Cabinet

The Contractor shall provide a cabinet (s) made of sturdy alum inum housing with a hinged main door equipped with a lock for a police key. The Co ntractor shall provide two (2) police keys with each cabinet. Section 715: Beacons and Temporary Signal Equipment Page 888 The Contractor shall provide c abinet(s) as required to house t he specified Equipment. The Contractor shall ensure switches and controls are accessibl e through the front door. The Contractor shall provide side- of-pole mounting cabinets. Supplied for the system shall be complete with the solar panel mounted on Type I standard. The unit includes the following: 1. Solar panel; 2. Battery; and 3. Solar regulator. The Contractor shall provide sizing report that assures the pe rformance of the solar panels and batteries meet the required operational needs. The documentation shall address the following as a minimum: 1. Location - specific geographic location of the application s ite so accurate solar Radiation data can be provided. For example, the state of New Mexico is too general. The city of Santa Fe (in New Mexico) would be more sp ecific; 2. Load - quantify the electric al load. A typical school zone flasher Project must list led lamps, a time clock and a control circuit. The Contractor shal l furnish power draw of each piece of Equipment. The Contractor shall identify the lam p configuration and calculate the load's power draw; and 3. Duty cycle - the Contractor shall provide a system that addr esses the number of hours per Day each piece of Equipment will be operated. The resultant sizing report will yield the solar array size an d description for the location; the required battery subsystem needed; and the estimated perfor mance for each month of the year.

715.2.1 6.3 Modem

The Contractor shall furnish and install a low power modem for phone line or CDMA (EVDO) cellular modem, as specified by NMDOT. The modem shall report connectivity between the SPTCS and designated intermediate server. The cellular communications modem (if chosen) must be compatib le with NMDOT’s current wireless carrier (Verizon).

715.2.1 6.4 Surge Protectors The Contractor shall furnish and install surge protection for Controller Cabinet,

communication and solar unit.

715.2.1 6.5 Warranty

All Equipment shall have a minimum warranty period of two (2) years from the date of Acceptance. Each warranty shall include actual parts and labor for any warranty Work performed at the manufacturer’s facility. A copy of each written warranty shall be included and submitte d by the Contractor and approved by the State Traffic Technical Support Engineer or des ignee prior to construction of the HIBU System. The NMDOT shall be designated as the holder o f each component warranty. Each warranty shall i ndicate the manufacturer respon sible for the components of the system and contact information for the manufacturer shall b e provided with each warranty. Section 715: Beacons and Temporary Signal Equipment Page 889 The manufacturer shall be respons ible for the replacement or re pair of any system component that fails during the warranty period. Any replacement or repa ir of the system shall be done to the satisfaction of the Department during the warranty period.

715.2.2 Radar Feedback Unit (RFU)

The unit can be in form of LED display with attached sign or s ign unit in combination with LED displays in compliance with Manual Uniform Traffic Control Devices (MUTCD) this Specification, and details specified in the Contract. This RFU shall be easy (pole mounted or back of a public entit ies vehicle) to install and programmable with the capacity to display violator alerts inclu ding speed numbers and 'slow down' text into one highly visible package. The unit shall use license free radar, red-blue flashing bars or white LED flashing strobes. Data and sign management program shall be menu driven to gener ate reports of speed data statistics along with the option to download raw data for comparative analysis. Housing shall be NEMA-3 weatherproof sealed. All external com ponents of the RFU shall be ultraviolet-resistant, corrosion-resistant, and protec ted from fungus growth and moisture deterioration. LED Light for display shall be high intensity latest generatio n AllnGp. Characters may be available in nine (9)", 12", 15", 18" and 22 " display heights, as specified. Automatic intensity adjustment m ust be available for ambient l ight conditions. Terminal Block and Wiring. All wiring and terminal blocks mus t conform to requirements set forth in section 13.02 of the ITE Publication; Equipment an d Material Standards. Mounting Assembly. The radar unit must be able to be mounted on pole or public entities’ vehicle as specified in the Contract. All light engines must fully comply with Restriction of Hazard ous Substance Directive (RoHS).

715.2.2 1 Warranty, Maintenance, and Support

1. The Contractor shall obtain and assign to the Department all manufacturers guarantees or warranties which are normally provided as customa ry trade practice for items and materials incorporated into the Work. In the abs ence of a manufacturer's guarantee, the Contractor shall warrant that mec hanical and electrical Equipment and Material incorporated into the work ar e free from any defects or imperfections in work manship and Material for a peri od of one (1) year after Final Acceptance of the Project. The Contractor shall be responsible for repairing any malfunction or defec t in any such Equipment or Ma terial, which develops during the one (1) year period. 2. The Contractor shall supply two (2) sets of installation gui des and user manuals for the Equipment incorporated in the Project, one (1) of which sha ll be submitted to the Department with submittal o f manufacturers shop drawings. 3. During the warranty period, technical support by toll-free t elephone shall be provided by the manufacturer 24 hours per Day, 365 days per yea r, and request for Section 715: Beacons and Temporary Signal Equipment Page 890 support by telephone shall be answered by manufacturer personne l within one (1) hour. 4. Manufacturer must warrant to the entity in charge of the mai ntenance of Radar Feedback Unit that from the date of purchase and for a period o f sixty (60) months for LED display and Twenty (24) months for radar equipment beyo nd the date of purchase that products manufactur ed shall be free from defects in workmanship and obscure damage to component parts of the type that might occur during one (1) year period. Manufacturer eith er repairs or replaces the defec tive device.

715.2.3 Rectangular Rapid Flashing Beacon

715.2.3 1 Beacon Assembly

Each RRFB shall consist of two (2) rectangular-shaped yellow i ndications, each to be at least five (5) inches wide by t wo (2) inches high. The rectang ular indications shall be aligned horizontally with at least seven (7) inches of minimum space be tween the indications as measured from the nearest edge of one to the nearest edge of th e other indication.

715.2.3 2 Flasher

When actuated, the two (2) yellow indications in each RRFB uni t shall flash in a rapidly flashing sequence. The RRFB sha ll provide 75 flashing sequence s per minute.

715.2.4 Span Wire Installation

The Contractor shall provide span wire consisting of a set of p oles and guy wire support system over a Roadway normally u sed for flashing beacons. Span wire installations include poles, guy wire, down guys (if required), and miscellaneous har dware and turnbuckles.

715.2.4 1 Poles

The Contractor shall provide fr ee-standing steel strain poles o r guyed timber poles capable of supporting the span an d specified attached Equipment without noticeable bending.

715.2.4 1.1 Steel Strain Poles

The Contractor shall provide steel strain poles of round or oct agonal tapered steel tube that is the length specified in the Plans having a three (3) ga uge wall thickness (approximately 1/4 inch or thicker), as requir ed by the design span specified in the Contract. Steel strain poles shall be designed in accordance with the 1994 or most cur rent AASHTO Specification utilizing an 80 mph isotach wind v elocity. The Contractor shal l provide steel with yield strength of 55,000 psi or greater. The Contractor shall provide strain poles that are galvanized inside and out in accordance with ASTM A 123.

715.2.4 1.2 Timber Poles

The Contractor shall provide tr eated timber poles in accordance with AASHTO M 133 or AWPA Standard U1, commodity Standard B: Posts.

715.2.4 1.3 Anchors

The Contractor shall design the anchor base to develop the maxi mum strength of the shaft. The Contractor shall provide anchor bolts that have a d iameter of 1 1/2 inch, are five

715.2.4 1.4 Guy Strand Wire

The Contractor shall provide guy strand wire (seven (7)-wire) w ith an approximate weight of 273 lb per 1,000 ft and minimum breaking strength of 10,000 lb. The Contractor shall run electrical cable inside steel pol es and exit the pole at the to p in a weatherproof manner, for wood pole installations protec t the cables with IMC conduit mou nted on the poles.

715.2.4 1.5 Span Wire Signal Equipment

Equipment required for span wire signal installation shall conf orm to Section 706, “Signal and Lighting Service Systems;” 709, “Rigid Electrical Conduit;” 710, “Pull Boxes and Splice Cabinets;” 711, “Wiring;” 712,” Signal Assemblies;” 713,” Detectors;” and 714, “Traffic Signal Controllers.”

715.3 Construction Requirements

715.3.1 Hbiu

The hardware and support services specified herein are intende d to describe the minimum configuration that will be acceptable for a HIBU System . Any changes are subject to approval by the State Traffic Technical Support Engineer. The Contractor shall provide all drawings, schematics, Material lists, fabrication details and S pecifications to the State Traffic Technical Support Engineer for appr oval 30 Days prior to procur ement of the Equipment. The HIBU system shall include all Incidental items, hardware, and Equipment necessary to make the HIBU system operational and complete in all respect s, including all items not individually specified, and the items shall be furnished and in stalled without additional cost to the NMDOT.

715.3.1 1 Documentation

The Contractor shall provide manufacturer documentation for al l components of the HIBU System. The documentation shall provide a complete and precise technical description of the system equipment and Materials and shall thoroughly demonstrate that the systems, including all assemblies, fully conform to all requirements of the Specif ications. The Contractor shall provide two (2) sets of electronic versio ns and hard copy manuals on the operation, maintenance, and troubleshooting of all syste m components.

715.3.1 2 Testing

The Contractor, prior to Final Acceptance, shall test the HIBU System. The Contractor shall furnish all necessary Equipment and labor required for th e testing at the site. Testing shall be performed in the presence of the Project Mana ger or designee. Tests shall not be performed without written approval of the Project Manager. A complete report of each test performed shall be submitted. The report shall include all actions and results and all failures and corrective or preventi ve measures taken. Full compensation for performing the local operational tests as spec ified herein shall be considered incidental to the HIBU System and no separate paymen t will be made therefore. The Contractor shall mount beacons and flasher controllers on t he specified support. Section 715: Beacons and Temporary Signal Equipment Page 892

715.3.2 Radar Feedback Units (RFU)

Radar Feedback Unit shall be mounted on the specified supports as called for and detailed in the Contract.

715.3.3 Rectangular Rapid Flashing Beacon

The RRFB shall provide 75 flas hing sequences per minute. Duri ng each 800 millisecond flashing sequence the left and ri ght RRFB indications shall ope rate using the following sequence: 1. The RRFB indication on the left-hand side shall be illuminat ed for approximately 50 milliseconds followed by a period where both RRFB indications w ill be dark for 50 milliseconds. 2. The RRFB indication on the right-hand side shall be illumina ted for 50 milliseconds followed by a period where bot h RRFB indications will be dark f or 50 milliseconds. 3. The RRFB indication on the left-hand side shall be illuminat ed for approximately 50 milliseconds followed by a period where both RRFB indications w ill be dark for 50 milliseconds. 4. The RRFB indication on the right-hand side shall be illumina ted for 50 milliseconds followed by a period where bot h RRFB indications will be dark f or 50 milliseconds. 5. Both RRFB indications shall be illuminated for approximately 50 milliseconds followed by a period where both RRFB indications shall be dark for approximately 50 milliseconds. 6. Both RRFB indications shall be illuminated for approximately 50 milliseconds followed by both RRFB indicati ons being dark for 250 millisecon ds. The flash rate of each individu al RRFB indication, as applied over the full flashing sequence, shall not be between five (5) and 30 flashes per seco nd to avoid frequencies that might cause seizures. The light intensity of the yellow indications during daytime c onditions shall meet the minimum specifications for Cla ss 1 yellow peak luminous intensi ty in the Society of Automotive Engineers (SAE) Standard J595 (Dir ectional Flashing Optical War ning Devices for Authorized Emergency, Maintenance, and Servic e Vehicles) dated January 200 5. To minimize excessive glare during nighttime conditions and au tomatic signal dimming device should be used to reduce the brilliance of the RRFB indi cations during nighttime conditions.

715.3.4 Span Wire Installation

The Contractor shall provide span wire pole installation, inclu ding erecting poles, installing anchor bolts in a f oundation, and leveling the pole. After raking, the Contractor shall place at least four (4) inches o f grout between the anchor base and the top of the foundation. The Contractor shall tension the complete span wire with the sp ecified sag. If the Plans specify a temporar y (construction related) span wi re, remove Material after completion of the Work. Removed temporary span wire Material w ill become the property of the Contractor, unless otherwise specified in the Plans.

715.4 Method of Measurement

Section 715: Beacons and Temporary Signal Equipment Page 893 HIBU (A/C Power Feed) will be measured using the following sep arate items: 1. Beacon Assembly; 2. One (1) Section Traffic Signal Assembly; 3. Type I Standard (15 feet), and foundations; 4. Panel Signs; and 5. External A/C power, meter, wiring, and conduit system. HIBU (Solar Power Feed) will be measured using the following s eparate items: 1. Beacon Assembly (Solar Powered); 2. One (1) Section Traffic Signal Assembly; 3. Type I Standard (18 feet), and foundations; 4. Panel Signs. Radar Feedback Unit (A/C Power Feed) will be measured using th e following separate items in accordance with the Contract: 1. RFU Assembly; 2. Type I Standard (15 feet), and foundations; 3. Panel Signs; and 4. External A/C power, meter, wiring, and conduit system. Radar Feedback Unit (Solar Power Feed) will be measured using the following separate items in accordance with the Contract: 1. RFU Assembly (Solar Powered); 2. Type I Standard (18 feet), and foundations; and 3. Panel Signs. Rectangular rapid flashing beacon (A/C Power Feed) will be mea sured using the following separate items in accordance with the Contract: 1. RRFB Assembly; 2. Type I Standard (15 feet), and foundations; 3. Panel Signs; and 4. External A/C power, meter, wiring, and conduit system. Rectangular rapid flashing beacon (Solar Power Feed) will be m easured using the following separate items in accordance with the Contract: 1. RRFB Assembly (Solar Powered); 2. Type I Standard (18 feet), and foundations; and 3. Panel Signs. Span wire installation will be measured by Lump Sum.

715.5 Basis of Payment

Pay Item Pay Unit Beacon Assembly Each Solar Powered Beacon Assembly Each Section 715: Beacons and Temporary Signal Equipment Page 894 Radar Feedback Unit Each Solar Powered Radar Feedback Unit Each Rectangular Rapid Flashing Beacon Each Solar Powered Rectangular Rapid Flashing Beacon Each Span Wire Installation Lump Sum The Department will pay for Panel Signs in accordance with Sec tion 701, “Traffic Signs and Sign Structures.” The Department will pay for One ( 1) Section Traffic Signal Ass embly in accordance with Section 712, “Signal Assemblies.” The Department will pay for Type I Standards in accordance wit h Section 707, “Signal and Lighting Standards.” The Department will pay for Foundations in accordance with Se ction 708, “Foundations for Signal and Lighting Installations.” The Department will pay for A/C power and meter pedestals in a ccordance with Section 706, “Signal and Lighting Service Systems.” The Department will pay for wiring in accordance with Section 711, “Wiring.” The Department will pay for conduit in accordance with Section 709, “Rigid Electrical Conduit.” The Department will pay for Accepted span wire signal installat ion at the Bid Item Unit Price when it is complete, in place, and operational for the pe riod specified. Section 716: Luminaires Page 895