IFB159389 Traffic Signal Cabinet.pdf

Administrative Services/Procurement Traffic Engineering Traffic Signal Control Cabinets and Equipment

IFB #159389

Issue Date: January 22, 2025 INVITATION FOR BIDS IFB# 159389

Title: Traffic Signal Control Cabinets and Equipment Commodity Code(s): 55081 Location Where Work Will Be Performed: Statewide

Issuing Agency: Commonwealth of Virginia Virginia Department of Transportation (VDOT) Contract Officer: Debbie Bayles Email: Debbie.Bayles@vdot.virginia.gov Phone: (804)371-6723

NOTE TO BIDDERS

Prebid Conference: A Mandatory Pre-Bid Conference will be held at 11:00 AM Eastern Standard Time (EST) on February 11, 2025.

Refer to Solicitation Section V. for instructions on how to participate.

Solicitation Closing Date and Time: 11:00 AM EST on February 25, 2025 Refer to Solicitation Section VIII.1 for Instructions to Bidders.

Virtual Public Bid Opening Date and Time: 12:00 PM EST on February 25, 2025. Refer to Solicitation Section VIII.2 for instructions on how to participate.

REMINDERS

1. Be sure to read and follow all instructions in the solicitation. Make certain bid pricing is not unbalanced.

2. Ensure all bid documents are completed and fillable attachments are uploaded with the bid submission. Bid documents and fillable attachments include, but may not be limited to:

3. VA STATE CORPORATION COMMISSION FORM

4. SMALL BUSINESS SUBCONTRACTING PLAN: A Small Business Subcontracting Plan (SBSP) is required for the bid to be considered responsive if the Bidder is not certified as a small business by the Department of Small Business and Supplier Diversity at the time of bid closing. Submit the SBSP on the included Attachment and provide plan value as a percentage not dollar value. See instructions under I. PURPOSE and Special Term and Condition: SBSP, Evidence of Compliance and Subcontractor Reporting.

5. SUBCONTRACTOR APPROVAL REQUEST

6. NORMAL AND EMERGENCY CONTACTS

7. REFERENCES

Note: This public body does not discriminate against faith-based organizations in accordance with the Code of Virginia, § 2.2-4343.1 or against a bidder because of race, religion, color, sex, national origin, age, disability, sexual orientation, gender identity, political affiliation, or veteran status or any other basis prohibited by state law relating to discrimination in employment. Faith-based organizations may request that the issuing agency not include subparagraph 1.f in General Terms and Condition C. Such a request shall be in writing and explain why an exception should be made in that invitation to bid.

TABLE OF CONTENTS

PAGE #

I. Purpose 3

II. Questions Regarding This Invitation for Bid 3

III. General Definitions 3

IV. Specifications/Contract Requirements 3-25

V. Pre-Bid Teleconference 26

VI. Method for Payment 26

VII. Invoicing 26

VIII. Bidders Instructions and Public Bid Opening 26-27

IX. General Terms and Conditions 27

X. Special Terms and Conditions 34

ATTACHMENTS

A. VA State Corporation Commission – Fillable Form

B. Small Business Subcontracting Plan (SBSP) – Fillable Form

C. Normal and Emergency Contacts – Fillable Form

D. Subcontractor Approval Request – Fillable Form

E. References – Fillable Form

F. ATTC-1 Cabinet Internal Layout

G. ATTC-2 Cabinet Internal Layout

H. Name of Manufacturer and Shipping Point

RESOURCES BY REFERENCE

1. General Term and Condition C.1.(d): Anti-Discrimination Link to Referenced Training

2. General Term and Condition CC: Civility in State Workplaces Link to Referenced Training https://www.dhrm.virginia.gov/public-interest/contractor-sexual-harassment-training https://www.vdot.virginia.gov/doing-business/training/

I. PURPOSE:

The Virginia Department of Transportation (herein referred to as “VDOT”) is soliciting bids from qualified firms to furnish and deliver Traffic signal ATC cabinets with associated equipment for the Virginia Department of Transportation (VDOT), Statewide Signal Maintenance System on an as-needed, requirements basis. The cabinet assembly shall comply with the attached specifications and be minimally equipped as follows.

PERIOD OF CONTRACT: From Date of Award through one (1) year. (renewable).

Reminder to Bidders: This solicitation includes the requirement for the Bidder to submit a Small Business Subcontracting Plan (SBSP) Attachment B with the electronic bid response in eVA. Bidders selecting the “I Plan to Complete All Work” box must be certified as a small/micro business by the Commonwealth of Virginia, Department of Small Business and Supplier Diversity (DSBSD) by the due date of this solicitation to participate in the SWaM Program.

If the Bidder is not a DSBSD-certified small business, the “I Plan to Use Subcontractors” box must be selected, and the Bidder shall identify on the SBSP attachment the portions of the contract that will be subcontracted to DSBSD-certified small business for the initial contract period and any subsequent renewal periods.

II. QUESTIONS REGARDING THIS INVITATION FOR BID:

Any questions regarding this invitation for bid shall be addressed to Debbie Bayles@ VDOT.virginia.gov. The issuing office shall determine whether any addendum should be issued as a result of any questions or other matters raised. Provide questions no later than 5:00 PM EST on February 18, 2025.

III. GENERAL DEFINITIONS:

For the purpose of clarification, each firm submitting a Bid is referred to as a “Bidder” and the Bidder awarded the contract to supply the services is referred to as a “Contractor”. Virginia Department of Transportation is referred to as “Department” or as “VDOT”, and “Representative” refers to the VDOT Contract Administrator who will be administering the contract. This Invitation for Bids states the instructions for submitting bids, the procedure and criteria by which a contract may be awarded, and the contractual terms which will exclusively govern the contract between VDOT and the Contractor.

IV. SPECIFICATIONS / CONTRACT REQUIREMENTS:

A. Advanced Transportation Controller (ATC) Cabinets: This Specification describes the Advanced Transportation Controller

(ATC) Cabinet for the Virginia Department of Transportation.

ATC Cabinets shall be certified by the manufacturer as conforming to the Institute of Transportation Engineers (ITE) Standards:

The Advanced Transportation Controller Cabinet Standard Version 02, ATC 5301 v02.02 dated March 18, 2019 for ATC components, the Intelligent Transportation System (ITS) Standard Specifications for Roadside Cabinets, and the ITS Cabinet Standard v01.02.17b dated November 16, 2006 for cabinet components. The ATC Cabinets shall conform to any exceptions and additions stated herein unless otherwise specified.

1. ATC Cabinet Configurations:

a. ATC Cabinet - Type I (Standard Configuration): The Type I cabinet shall consist of an ITS Housing #1 type cabinet with one front and one rear door, one mounting cage, and be mounted on a standard size base adapter. The Type I cabinet shall be furnished, ready for operation, conforming to Standard Drawing ATCC-1 with the following composition:

• Service Assembly

• DC Power Supply

• SB1/SB2 and DC Power Bus

• AC Clean Power Bus

• Advanced Detection Assembly

• Auxiliary Input / Output Assembly

• Input Assembly

• Input Test Panel Assembly

• Field Input Termination Assembly

• Output Assembly

• Field Output Termination Assembly

• Drawer Shelf Unit

• Shelf

b. ATC Cabinet – Type II (4 Door Configuration): The Type II Cabinet shall consist of an ITS Housing #3 type cabinet with two front doors and two rear doors, two mounting cages, and be mounted on an oversized base adapter. Facing the front, the left rack cage, Segment A, shall be the ATC cabinet side with modular and interchangeable ATC assemblies interconnected through an advanced serial data bus. The right rack cage, Segment B, shall include shelving for the backup power system and a power distribution unit for powering communications devices. The Type II cabinet shall be furnished, ready for operation, conforming to Standard Drawing ATCC-2 with the following composition:

Segment A shall consist of:

• Service Assembly

• DC Power Supply

• SB1/SB2 and DC Power Bus

• AC Clean Power Bus

• Advanced Detection Assembly

• Auxiliary Input / Output Assembly

• Input Assembly

• Input Test Panel Assembly

• Field Input Termination Assembly

• Output Assembly

• Field Output Termination Assembly

Drawer Shelf Unit Segment B shall consist of:

• Power Distribution Unit

• (3) Shelves

2. General Requirements: All Assemblies, switches, terminal blocks, and connectors in the ATC Cabinets shall be clearly and permanently labeled. All fuses, circuit breakers, switches (except police panel switches) and indicators shall be readily visible and accessible when the ATC Cabinet front door is open. All circuit breakers located on the rack shall have covers to prevent accidental tripping.

The marker strips shall be made of material that can be easily and legibly written on using a pencil or ballpoint pen. Marker strips shall be located immediately below the item they are to identify and must be clearly visible with the items installed.

Guides (top and bottom) shall be provided for assembly plug-in units. The guides shall begin 0.5 inch from the assembly front panel face.

High-voltage components (over 50 V) shall not be exposed per National Electric Code (NEC).

When servicing the ATC Cabinet, the Input Assembly, Output Assembly, and Controller shall be replaceable in the flash mode condition, but without putting the intersection in a dark condition.

All Assemblies shall be modular with pluggable cabling. All cabling shall be of sufficient length to allow Assemblies to be mounted in any position within the rack. Assemblies shall not be hardwired.

Wire raceways shall be integrated as part of the ATC Cabinet allowing for neat internal and field wiring. The installation of standard rack mounted equipment shall not be blocked, hindered, or inhibited by wires and cables for the full height and width of the rack chassis.

A momentary push button switch labeled “24 VDC BYPASS” shall be located on the front of the Output Assembly that, when pressed, energizes 24 VDC to the High-Density Switch Packs during flash mode for troubleshooting purposes.

a. Environmental and Electrical: Ensure all components properly operate within the following limits:

• Applied Line Voltage: 90 to 135 VAC

• Frequency: 60 (±3.0) Hertz

• Humidity: 5% to 95%

• Ambient Temperature: -37 °C to +74 °C

• Shock - Test per Specification MIL-STD-810G Method 516.6

• Vibration - per Specification MIL-STD-810G Method 514.

b. Assemblies and Files: All assemblies and files shall be mounted on the cage mounting rails per cabinet model detail. A clear area for the ATC controller unit shall be provided. The area shall extend 1.5 inches in front of and 16 inches behind the front EIA mounting angles.

c. Cabinet Shipping Requirements: The cabinet shall be delivered mounted with bolts on a ply board shipping pallet. The cabinet shall be enclosed in a slipcover cardboard packing shell. The housing doors shall be blocked to prevent movement during transportation.

d. Stainless Steel: All bolts, nuts, washers, screws (size 8 or larger), hinges, and hinge pins shall be stainless steel unless otherwise specified.

e. Protection: All conductors, terminals, and parts which could be hazardous to maintenance personnel shall be protected with suitable insulating material.

3. ATC Cabinet Housing: The ATC Cabinet Housing shall conform to the ITS Cabinet Standard v01.02.17b dated November 16, 2006, Section 6.2.

Housings, except as specified below.

a. General: The Type I Cabinet Housing shall be based on the ITS Housing #1 type enclosure.

The Type II Housing shall be based on the ITS Housing #3 type enclosure. Both cabinets shall include, but not limited to, the following:

• Enclosure & Doors

• Gasketing

• Lifting Eyes & External Bolt Heads

• Door Latches & Locks

• Housing Ventilation

• Cage Supports and Mounting

• Door Hinges & Catches

• Police Panel

• Aluminum Surfaces

The enclosure, doors, lifting eyes, gasket channels, police panel, and all supports welded to the enclosure and doors shall be fabricated of 0.125-inch minimum thickness aluminum sheet. Bolted on supports shall be either the same material and thickness as the enclosure or 0.105-inch minimum thickness steel. The Side Panels and filter shell shall be fabricated of 0.105-inch minimum thickness aluminum sheet.

b. Housing Dimensions: The Type I cabinet shall be 66.375 inches high (± 0.5 inch) by 24.25 inches wide (± 0.5 inch) by

30.25 inches deep (± 0.5 inch). The front-to-back cabinet dimensions shall not exceed 36 inches at its widest point, including the door handles, louvers, and roof overhang.

The Type II cabinet shall be 66.375 inches high (± 0.5 inch) by 44.5 inches wide (± 0.5 inch) by 26 inches deep (± 0.5 inch). The front-to-back cabinet dimensions shall not exceed 32 inches at its widest point, including the door handles, louvers, and roof overhang.

c. Aluminum Surface Protection – Exterior Surfaces: An anti-graffiti aluminum surface protection shall be applied to the exterior surface of the cabinet housing. The surface protection shall be Anti-Graffiti Paint.

d. Anti-Graffiti Paint: The anti-graffiti paint shall conform to the ITS Cabinet Standard v01.02.17b dated November 16, 2006, Section 6.2.2.3.1 for Anti-Graffiti Paint.

e. Powder Coating – Interior Surfaces: The interior of the cabinet housing and doors shall be powder coated white.

Powder coat finish shall consist of a Urethane or Triglycidly Isocyanurate (TGIC) Polyester Powder. The interior aluminum surface shall be cleaned and prepared per the powder coating manufacturer’s recommendations. The powder coating shall be electrostatically applied and then cured per the manufacturer’s recommendations. The thermosetting powder resin shall provide both intercoat as well as substrate fusion adhesion that meets 5A or 5B classifications as per ASTM D3359.

f. Lifting Eyes and Exterior Bolt Heads: The Type I cabinet housing shall be provided with two lifting eyes for placing the cabinet on its foundation. Lifting eyes shall be mounted above the front and rear cabinet doors, centered, and extend above the top of the cabinet to provide unobstructed access to the eyes. The Type II cabinet housing shall be provided with two lifting eyes for placing the cabinet on its foundation. Lifting eyes shall be mounted on the sides of the cabinet, centered, and extend above the top of the cabinet to provide unobstructed access to the eyes. In both the Type I and II cabinet housings, each eye opening shall have a minimum diameter of 0.75-inch, be able to support the weight load of 1,000 lbs., and all bolt heads shall be tamperproof type.

g. Doors, Door Latches and Locks: The Type I cabinet shall have two vertically hinged doors mounted on the cabinet for interior access. One door shall be located on the front face and one door shall be located on the rear face of the cabinet.

The Type II cabinet shall have four vertically hinged doors mounted on the cabinet for interior access. Two doors shall be located on the front face and two doors shall be located on the rear face of the cabinet.

1. Enclosure Door Frames and Door Seals: Each door shall be 58.375 inches high (± 0.5 inch) by 24 inches wide

(± 0.5 inch). Each of the door openings shall not be less than 56.375 inches high (± 0.5 inch) by 22 inches wide (± 0.5 inch).

2. Latching Handles: The latching handles shall have provision for padlocking in the closed position. Each handle shall be 0.75-inch minimum diameter stainless steel with a minimum of 0.5-inch shank. The padlocking attachment shall be placed at 4 inches from the handle shank center. An additional 4-inch minimum gripping length shall be provided. Door handles shall be vertical in the close position. All door handles shall rotate in a direction towards the door hinges to open the cabinet door.

3. Latch and Lock Mechanism: The latching mechanism shall be a three-point draw roller type. The pushrods shall be turned edgewise at the outward supports and have a cross section of 0.25 inch thick by 0.75 inch wide minimum.

When the door is closed and latched, the door shall be locked. The lock and lock support shall be rigidly mounted on the door. The lock shall be mounted in the upper quadrant, above the handle when in its fully open position. In the locked position, the bolt throw shall extend a minimum of 0.25 inch (+/-0.03125 inches) into the latch cam area. A seal shall be provided to prevent dust or water entry through the lock opening.

4. Lock and Keys: The cabinet door locks shall be mounted to the cabinet with four bolts and the tumbler shall be keyed to a 2-type. One key shall be supplied with each lock. The keys shall be removable in the locked position only. A swing away cover shall be placed over the key entrance to protect the lock mechanism.

h. Housing Ventilation: Housing ventilation shall include intake, exhaust, filtration, and thermostat-controlled fans.

1. Door Ventilation: The ATC cabinet doors shall be provided with louvered vents installed in the cabinet doors.

The louvered vent depth shall be a maximum of 0.25 inch. A removable and reusable air filter shall be housed behind the door vents. The filter filtration area shall cover the vent opening area. A filter shell that fits over the filter shall be provided for mechanical support for the filter. This shell shall be louvered to direct the incoming air downward. The shell sides and top shall be bent over a minimum of 0.25 inch to house the filter. The filter resident in its shell shall be held firmly in place with a bottom trough and spring-loaded upper clamp. No incoming air shall bypass the filter.

The bottom filter bracket shall be formed into a waterproof sump with drain holes to the outside housing.

The Type I cabinet front door shall be provided with louvered vents.

The Type II cabinet front facing left door and the rear facing left door shall be provided with louvered vents.

2. Intake and Filter: The intake (including filter with shell) and exhaust areas shall pass a minimum of 60 cu. ft.

of air per minute.

3. Fans: Each electric fan shall be equipped with ball or roller bearings and shall have a minimum capacity of 100

cu. ft. of free air delivery per minute. The fan shall be fastened to the cabinet with two thumb screws which shall not be fastened in a manner that requires any tools for removal or installation.

The Type I cabinet shall have two fans mounted within the housing and protected with a finger guard.

The Type II cabinet shall have four fans mounted within the housing and protected with a finger guard.

4. Temperature Controlling Panel: Temperature Controlling Panels shall control fans and include one thermostat, an on/off switch, fan test button, and fuses. Fans shall be thermostatically controlled and shall be manually adjustable. The thermostat shall include a control dial, permanently marked with operating temperature between 32°F and 140°F and graded in 20-degree F increment scale. The thermostat control dial, when set to a specific temperature, will operate the fans with a differential of not more than 20 degrees between automatic turn on and off. The fan circuit shall be protected at 125% of the fan motor ampacity. Temperature Controlling Panels shall be installed in the same section of the cabinet as the fans which they control.

The Type I cabinet shall have two Temperature Controlling Panels, one controlling each fan.

The Type II cabinet shall have two Temperature Controlling Panels, one controlling each pair of fans.

One panel shall be mounted in Segment A and the other mounted in Segment B.

i. Hinges and Door Catches:

1. Hinges: Stainless steel hinges (two bolts per leaf) shall be provided to bolt the enclosure to the doors. Provide four hinges on each door. Each hinge shall be 3.5-inch minimum length and have a fixed pin. The pin ends shall be welded to the hinge and ground smooth. The pins and bolts shall be covered by the door edge and not accessible when the door is closed. A ground strap between the door and the main cabinet housing shall be required when 120 VAC components are mounted on the door.

2. Door Catches: Front and rear doors shall be provided with catches to hold the door open at both 90 degrees (± 10 degrees) and 165 degrees (±10 degrees). The catch shall be 0.375-inch minimum diameter aluminum rods.

The catches must be capable of holding the door open at 90 degrees in a 60-mph wind acting at an angle perpendicular to the plane of the door.

j. Police Panel:

1. Manual Advance Cable: Each cabinet shall be provided with an interval advance cord, six feet long, with a weatherproof manual police push button.

2. Toggle Power Switches: The Police Panel shall include three double-pole, double-throw (DPST) switches and labelled as follows: “SIGNAL OFF / ON”, "FLASH / AUTO", and “MANUAL CONTROL ENABLE OFF- ON”. A receptacle for the MANUAL ADVANCE cord shall be provided.

All switches shall be “ON” or “AUTO” when positioned to the right.

The Police Panel switches shall be individually wired through factory molded connectors which allow the switches to be disconnected and not usable, as desired by the Department. These connectors shall be wired in such a way to provide full cabinet operation when any or all Police Panel switches are connected or disconnected.

k. Cabinet Lights: The Type I cabinet shall include two LED lighting fixtures AVA Technology US2324 or approved equal, which will be mounted inside the top portion of each cabinet door.

The Type II cabinet shall include four LED lighting fixtures AVA Technology US2324 or approved equal, which will be mounted inside the top portion of each cabinet door.

l. Door Switches. Door actuated switches shall be installed to turn on the cabinet lights when either the front or rear door is opened. There shall also be manual switches installed to activate and deactivate the lights. Additional switches of the same type shall be installed to actuate when either the front or rear door is opened. All door open switches shall be wired as inputs to the ATC controller through SB1 or SB2. These switches will be used to provide the “Door Open” alarm when any cabinet door is opened.

m. Drawer Shelf Unit: A telescopic slide out drawer shall be provided to store documents. The Drawer Shelf Unit shall be mounted across the front EIA rails and extend the shelf mounting brackets to the rear EIA rails. The Drawer Shelf Unit shall be provided with a non- conductive top, locking provision when fully extended, and lip or handle for pulling. The drawer storage area shall have no openings when fully closed to limit rodent intrusion and minimum dimensions shall be 16 inches wide by 14 inches long by 1.5 inches deep.

n. Backup Power Confirmation Lights: The ATC Cabinets shall include one red external LED confirmation light indicating when the traffic control system is not operating on primary service power. The LED confirmation light shall be approximately one inch in diameter, located above the rear door in the Type I cabinet or above the left rear door in the Type II cabinet, four to eight inches from the left cabinet edge and halfway between the top of the door and the top of the cabinet. The mounting location of the LED confirmation light shall not impede or obstruct cabinet doors or lift plates. The LED confirmation light shall have a durable gasket to ensure weatherproofing. The LED configuration light shall be neatly wired to a confirmation light relay panel mounted above the Service Assembly for ease of connecting to the backup power system. This panel shall be permanently labelled and include terminal blocks for wiring. The light shall be configured such that when the external LED confirmation light is on, the traffic control system is operating on backup power. When the external LED confirmation light is off, the traffic control system is operating on primary service power.

o. AC- Copper Terminal Bus: The AC- Copper Terminal Bus shall not be grounded to the cabinet or connected to logic ground. Nylon screws with a minimum diameter of 0.25 inch shall be used for securing the bus to the service panel.

The AC- Copper Terminal Bus shall be provided with a minimum number of wiring lugs for each output channel. A minimum of 16 available wiring lugs shall be provided with the 16 channel Output Assembly.

4. ATC Cabinet Rack Cage: Standard rack cages shall be installed inside the housings for mounting of the ATC Controller unit and cabinet assemblies. The EIA rack portion of the cage shall consist of four continuous, adjustable equipment mounting angles.

The mounting angle nominal thickness shall be 11- gauge plated steel. The mounting angles shall be tapped with 10- 32 threads with EIA universal spacing. The mounting angle shall comply with standard EIA- 310-B and shall be supported at the top and bottom by either welded or bolted support angles to form a cage. The mounting angles shall provide holes to mount the side panels.

a. Clearance between Rails: Clearance between rails for mounting assemblies shall be 17.75 inch.

b. Cage Connection: The cage shall be bolted to the cabinet at four points via the housing cage supports and four points via associated spacer brackets (top and bottom).

c. Cage Location: The cage(s) shall be centered within the cabinet door opening(s).

5. ATC Cabinet Assemblies: The following equipment shall be completely removable from the cabinet without removing any other equipment and using only a slotted or Phillips screwdriver:

• Service Assembly

• DC Power Supply

• AC Clean Power Bus

• SB1/SB2 and DC Power Bus

• Advanced Detection Assembly

• Auxiliary I/O Assembly

• Input Assembly

• Input Test Panel Assembly

• Field Input Termination Assembly

• Output Assembly

• Field Output Termination Assembly

a. Service Assembly: The Service Assembly shall be modular, utilize no more than three EIA rack units (e.g. 3U), and may be mounted on the left or right side of the EIA rack when viewed from the front. The Service Assembly shall be provided with the following:

• A terminal block with 5 screw-type wire connectors wired for AC+, AC-, Ground, BBS IN and BBS OUT. AC+ will be wired to BBS IN, a jumper shall be installed between BBS IN and BBS OUT that is removable for interconnection with the BBS System, and BBS Out will provide power to ATC cabinet.

• One 30-amp main breaker

• Four 15-amp breakers for the Output Assembly, High-Density Flasher Units, raw power and GFCI receptacles, and the Clean Power Bus

• Raw power duplex receptacle

• GFCI duplex receptacle

• Two High-Density Flasher Units with Serial Bus 3 interface

• A pluggable Cabinet Surge Protection Device

• Four fuses for each of the four flasher outputs

• A terminal block with 4 screw-type wire connectors for connection to raw power.

b. Cabinet Surge Protection Device: The cabinet surge protection device shall be installed in the Service Assembly, pluggable and mated to a 12-pin receptacle for ease of replacement. The surge protector shall filter and absorb power line noise and switching transients. The device shall incorporate LEDs for failure indication. The device shall meet the following minimum specifications:

• Peak Surge Current (Single pulse, 8x20µs) 20,000A

• Occurrences (8x20µs waveform) 10 minimum @ 20,000A

• Maximum Clamp Voltage 395VAC

• Operating Current 15 amps

• Response Time < 5 nanoseconds

c. DC Power Supply: The DC Power Supply shall be supplied with the ATC Cabinet as standalone sub- assembly. The DC Power Supply shall be a modular, 19-inch EIA rack mounted device, and provide DC voltages necessary to operate the ATC Cabinet.

The DC Power Supply shall be powered from AC Line provided by the AC Line cord with NEMA Type 5-15 plug. The input voltage range shall be 80 to 270 VAC, 45 to 65 Hz. The DC Power Supply shall provide power factor corrected features and ensure a full load power factor of 0.95 or better, reducing peak AC Line input current and associated stress on wiring. The DC Power Supply shall use modern switching technology, provide full output regulation of 24 and 48 VDC across changes in AC Line voltage, and output load over the full operating temperature range of -37°C to +74°C without the need for a fan. The DC Output shall be electrically isolated from AC Mains, Earth Ground, and other DC outputs.

Separate clear LED indicators shall be provided to display green for AC input status, DC output status, and associated fuse integrity. The DC Power Supply shall be provided with fused outputs for over-current protection and shall be protected against voltage transients by a 1500-Watt suppressor.

For High Voltage (HV), 120VAC configuration, supply a DC Power Supply rated at 168 Watts, 48 VDC at 1 Amp, and 24 VDC at 5 Amps.

d. SB1/SB2 and DC Power Bus: The SB1/SB2 and DC Power Bus shall be supplied with the ATC Cabinet and may be provided as a standalone sub-assembly or as an integrated part of another assembly.

The SB1/SB2 and DC Power Bus, as a standalone unit, shall include a minimum of eight DB25 connectors to interconnect the SB1/SB2 communication ports of the assemblies and the controller. It shall include a termination circuit at the end of the connections (S8) to prevent radio frequency signal reflection and exposure to environmental elements (e.g. rain). SB1/SB2 and DC Power Bus shall include one factory molded plug block to bring DC power to the SB1/SB2 and DC Power Bus; such power shall be distributed to the cabinet assemblies through eight factory molded receptacle blocks. The copper conductors for the DC voltages shall support a minimum of 10 Amps. The SB1/SB2 and DC Power Bus shall be mounted in the EIA rails, and it shall swing out to provide access to the back of the assemblies mounted on the opposite side.

e. AC Clean Power Bus: The AC Clean Power Bus shall be supplied with the ATC Cabinet and may be provided as standalone sub-assembly or as part of another assembly. The standalone sub-assembly shall swing out to provide access to the back of the assemblies mounted on the opposite side.

The AC Clean Power Bus shall include a minimum of seven single NEMA 5-15 receptacles, to provide AC clean power to the ATC controller and auxiliary devices.

f. Advanced Detection Assembly: The Advanced Detection Assembly shall be supplied with the ATC Cabinet and may be provided as a standalone sub-assembly or as an integrated part of another Assembly. All necessary serial bus and power cabling shall be provided to connect the assembly to the cabinet busses.

The Advanced Detection Assembly shall include a minimum of three NEMA TS2 Port-1 (SDLC) 15 Pin connectors and used to interface with NEMA TS2 compatible detection systems and hardware. It shall utilize SB2 to interface with the controller and shall be configurable in the controller.

g. Auxiliary Input / Output Assembly: The Auxiliary Input / Output (I/O) Assembly shall be supplied with the ATC

Cabinet and may be provided as a standalone sub-assembly or as an integrated part of another assembly. The auxiliary I/O Assembly shall provide functionality similar to a NEMA TS1 D Connector Panel allowing for 24 VDC inputs and outputs to be available to and from the controller.

The Auxiliary I/O Assembly will be used to send special function outputs from the controller to cabinet devices or to receive inputs from cabinet devices to the controller (e.g. UPS relay alarms, blank-out sign relay panels, preemption panels, or detection inputs). All necessary serial bus and power cabling shall be provided to connect the assembly to the cabinet busses.

The Auxiliary I/O Assembly shall include a minimum of eight inputs, eight outputs, and a connection to Logic Ground (-24VDC). Each input and output shall be mapped to the controller through SB2 and shall be configurable. Each of the I/O points and the Logic Ground shall be terminated in factory molded plug blocks for ease of connection.

h. Input Assembly (24-Channel): The ATC Cabinet shall include two 24-Channel Input Assemblies. The upper Input Assembly will be referred to as the “I” Assembly and the lower as the “J” Assembly.

The Input Assemblies shall be a 19-inch EIA rack mounted assembly providing twelve slots of 22/44 pin PCB sockets.

A Serial Interface Unit shall be provided with each assembly, in its location mated to a DIN 96-pin connector. The Serial Interface Unit shall provide interface and control between the ATC Controller and the input assemblies via system SB1/SB2. Each slot shall be capable of providing two inputs into the controller. Slot 11 and 12 of the J Assembly shall be configured to support emergency vehicle preemption equipment. These two slots shall be configured in such a way as to provide sufficient power to the preemption detector modules. Input Assemblies shall be capable of supporting pedestrian push button detections through any slot, with the use of a DC Isolator.

Each Input Assembly shall be provided with an Opto Input Card. The Opto Input Card shall be equipped with four LED indicators and four toggle switches. Toggling any of the four switches will insert an input to the controller.

i. Input Test Panel Assembly: The ATC Cabinet shall include an Input Test Panel Assembly used to place vehicle, pedestrian, or preemption calls to the ATC controller through system SB1/SB2. The Input Test Panel Assembly may be a standalone 19-inch EIA rack mounted unit or integrated into another sub-assembly. The Input Test Panel Assembly shall be provided with 16 toggle switches and include a LED function indicator light for each switch. Switches shall be provided with the following three positions: ON (place call), OFF (normal detector operation), and Momentary ON (place momentary call and return to normal detector operation after the switch is released). Each switch shall be permanently labelled 1 through 16. The 16 toggle switches shall be mapped to an internal Serial Interface Unit and can be addressed to Serial Interface Unit 10-13 by a separate 4 position selector switch on the front panel.

j. Field Input Termination Assembly: The ATC Cabinet shall include two 24- Channel Field Input Termination Assemblies. The 24-Channel Field Input Termination Assembly shall be coupled with the corresponding 24-Channel Input Assembly. The Field Input Termination Assembly shall be provided with twelve 10-position terminal block connector plugs with screw-type terminations. Each connector plug shall be configured to provide four Two-wire inputs and one One-wire input for their associated earth ground. Each terminal block connector receptacle shall be labelled with the number of its associated input channel (1-24) and earth ground.

The Field Input Termination Assembly shall have positions for 12 Detection Module Suppressors. Supply the Detection Module Suppressors with the cabinet. The Field Input Termination Assembly shall be mounted across the EIA rails and swing down to provide access to the back of the assemblies mounted in the opposite side.

k. Output Assembly (16- or 32-Channel): The ATC Cabinet with 16 output channels shall include one 16- Channel Output Assembly. The Output Assembly shall be a 19-inch EIA rack mounted device, house eight High Density Switch Packs, and provide forty- eight load circuits. One Serial Interface Unit shall provide interface and control between the Output Assembly and the controller. The 12-Channel Output Assembly shall house the Cabinet Monitor Unit, Main Contactor, Stop Time Switch, Flash / Auto Switch, four Circuit Breakers and Momentary 24 VDC Bypass Switch.

The ATC Cabinet with 32 output channels shall include one 32-Channel Output Assembly. The Output Assembly shall be a 19-inch EIA rack mounted device, house sixteen High Density Switch Packs, and provide ninety-six load circuits.

Two Serial Interface Units shall provide interface and control between the Output Assembly and the controller. The 32- Channel Output Assembly shall house the Cabinet Monitor Unit, Main Contactor, Stop Time Switch, Flash / Auto Switch, four Circuit Breakers and Momentary 24 VDC Bypass Switch.

l. Field Output Termination Assembly: The 16-Channel Field Output Termination Assembly shall be interconnected with the 16-Channel Output Assembly and shall house eight High Density Flash Transfer Relays (HDFTR) and 16 Flash Program Blocks (FPB). The HDFTRs and FPBs shall be provided to control and select the color (red, yellow, or dark) during ATC Cabinet flash mode. Pluggable and replaceable transient protectors shall be provided at the field terminals for the protection of the High-Density Switch Packs. A visual method shall be provided to indicate when the transient protector has failed. Label each HDFTR position with the number of its associated High-Density Switch Pack (1-16). Each FPB position shall be labelled with the number of its associated channel (1-16).

The Field Output Termination Assembly shall be provided with sixteen 6-position terminal block connector plugs. The connection method for each terminal position shall be push-in spring connections. Two positions for each red, yellow, and green output channel per plug. Each terminal block connector receptacle shall be labelled with the number of its associated channel (1-16). Additional labels shall be provided to clearly indicate which terminals correspond to the red, yellow, and green switch pack outputs. The color of these labels shall be matched to the color of their associated output (red, yellow, or green).

Provide one Field Output Termination Assembly with a 16-Channel Output Assembly. Provide

Two Field Output Termination Assemblies with a 32-Channel Output Assembly.

The 16-Channel Field Output Termination Assembly shall be mounted across the 19-inch EIA rack directly behind the Output Assembly. The 16-Channel Field Output Termination Assembly shall swing down to provide access to the HDSP transient protectors.

6. ATC Cabinet Components:

a. Cabinet Monitor Unit: A Cabinet Monitor Unit (CMUip) shall be provided for cabinet monitoring, to query various cabinet conditions, and, if the application requires action, transfer control from the ATC to a flashing control mode.

The CMUip shall be developed specifically for the ATC Cabinet, pluggable, interconnected with the Output Assembly, and include communication circuitry to interface SB1 and SB3. The CMUip shall include a microprocessor, memory devices including non-volatile memory, and front panel indicators. The CMUip shall have the capability to fully monitor 32 output channels and utilize direct SB3 communication to each High-Density Switch Pack – Flasher Unit for field voltage and load current status. The CMUip shall be programmed with an interchangeable data key and include an Ethernet port for diagnostics and remote management. The CMUip shall include a built-in diagnostic wizard that:

analyzes the ATC controller output commands and High-Density Switch Pack – Flasher Unit field input status; isolates whether the cabinet fault was caused by an ATC malfunction, failure in the load bay, or field wiring; identifies the faulty channels and output directly; and provides guidance on how the technician should isolate the cause of the malfunction.

The High Voltage (HV) rated CMUip shall be provided for 120 VAC operation.

b. CMUip Data Key Programming Tool: A CMUip data key programming tool shall be provided with the capability to read and write data from the data key device. The programming tool software shall be of the same manufacturer and fully compatible with the provided CMUip.

c. Cabinet Monitor Unit – Auxiliary Display Unit: A Cabinet Monitor Unit – Auxiliary Display Unit (ADU) shall be provided of the same manufacturer and fully compatible in function and operation with the CMUip. The ADU shall be a 19-inch rack mounted device, utilize one rack space, and be powered from the cabinet 48 VDC supply. All indicators shall be clear LEDs and shall not depend on reflectors or diffusion as part of the design. Clear LEDs shall not appear to be on when exposed to ambient light. The ADU shall provide 32 columns of LED indicators corresponding to channels 1 through 32. Each column shall be composed of a Red, Yellow, and Green status plus a Blue LED for fault status. The ADU shall provide an enhanced user interface for the ATC Cabinet Monitor Unit system and provide the ability to view status, configuration settings, voltages, and event logs through an LCD menu driven display. The LCD display shall provide detailed status information from the CMUip and displays from the built-in diagnostic program.

The diagnostic program provides views of the signal states involved in a fault, pinpoints faulty signal inputs, and guidance on how the technician should isolate the cause of a malfunction.

d. High-Density Switch Pack - Flasher Unit: Compact, pluggable, modular PCB- based High-Density Switch Pack – Flasher Units (HDSP-FU) shall be provided with the ATC Cabinet. The HDSP-FU shall be compatible with ultra-low power (less than 2 watts) LED signal heads and has a current monitoring feature for each output of each channel. The HDSP-FU shall use real-time standardized high speed SB3 communications to send a complete set of RMS voltage and load current measurements to the Cabinet Monitor Unit. The HDSP- FU shall be 4.5 inches high by 6.5 inches deep and equipped with a handle, reset push button switch, six RYG LED indictors, four flasher LED indicators, one power LED indicator, and two Rx/Tx LED indicators. The HDSP-FU shall function as either a switch pack (HDSP) or as a flasher unit (HDFU). When installed in the Output Assembly, the HDSP-FU shall function as a switch pack with two RYG channels of operation (six outputs). When the HDSP-FU is installed in the Service Assembly, it shall function as a four-output flasher unit.

The High Voltage (HV) rated HDSP-FU shall be provided for 120 VAC operation.

e. Serial Interface Unit: The Serial Interface Unit (SIU) shall function as the cabinet communications and control unit.

The SIU shall be a compact, modular PCB-based device with a half-width faceplate, and pluggable. The SIU shall use real-time standardized 614.4 Kbps communications with the ATC to transfer command and response data on SB1 and SB2. Each SIU shall be equipped with 54 programmable input/output pins, four optically isolated input pins, one line sync reference input pin, and 4 address select input pins. The optically isolated inputs shall be either 120 VAC or 24 VDC. The SIU outputs shall be rated at 150 mA continuous sink current, a 500-mA typical current limit on each output, rated to 50 V, and utilize a voltage clamp for inductive transient protection. The SIU shall be equipped with a front panel LED indicator that can report the current SIU assembly address assignment for cabinet configuration verification.

The SIU shall be equipped with a front panel serial port used to provide diagnostics using monitoring software.

f. Flash Transfer Relays: The High-Density Flash Transfer Relay (HDFTR) shall have a hermetically sealed cover to ensure it is moisture proof. The HDFTR shall be filled with dry nitrogen to protect contacts from corrosion and to prevent condensation. The HDFTR shall be provided with a shock and impact resistant metal can cover with solid and bend proof pins.

The HDFTR shall be rated for 5 Amps at 120 VAC switching, 10 Amps surge. The coil voltage shall be 48 VDC. The HDFTR shall have an LED indicator to display contact transfer position.

g. Cabinet Surge Protection Device: The Cabinet Surge Protection Device shall be modular, utilize a pluggable 12-position Beau 5412 connector, rated for 120 VAC, single phase, operation, and integrate as part of the Service Assembly. The Cabinet Surge Protection Device shall incorporate warning and failure indicators with a dry relay contact remote sensing circuit. The Cabinet Surge Protection Device shall be rated at continuous service current of 15 Amp, maximum clamp voltage of 340 VAC, and filter noise and spike from 10 KHz to 25 MHz with a peak surge current of

45.5 kA/total.

h. High-Density Switch Pack Transient Protector: The High-Density Switch Pack Transient Protector shall be designed specifically for traffic controller cabinet operation, modular, and pluggable. Provide the unit epoxy encapsulated and equipped with 9-position 5.08 mm factory molded connector. The unit shall protect up to six circuits.

The High-Density Switch Pack Transient Protector shall have an operating voltage of 120 VAC, clamping voltage of 340 VAC, and peak surge current of 39 kA. Ensure the unit dimensions are no greater than 2 inches high by 0.7 inches wide by 2 inches long.

i. Detection Module Suppressor: Ensure the Detection Module Suppressor is modular and pluggable. Provide the unit epoxy encapsulated and equipped with 6-position 5.08 mm factory molded connector. The unit shall provide differential and common mode protection for up to six circuits. Provide device operating voltage of 75 VDC and clamping voltage of 130 VDC. Ensure the unit dimensions are no greater than 2 inches high by 0.7 inches wide by 1.2 inches long.

j. Main Contactor: The Main Contactor (MC) shall be mercury free, rated at 120 VAC at 60 Amps. The MC coil shall be rated at 48 VDC and equipped with an input indicator and SPST–N.O. contacts.

k. Two-Channel DC Isolator: Conform to the ITS Cabinet Standard v01.02.17b dated November 16, 2006 for Two- Channel DC Isolator.

l. Two-Channel AC Isolator: Conform to the ITS Cabinet Standard v01.02.17b dated November 16, 2006 for Two- Channel AC Isolator.

m. Shelf: Provide a shelf that mounts across all four 19-inch EIA rack rails and provides a surface that extends from the front to the back rails. The shelf shall be of the same material as the cage rails and have a minimum weight capacity of 200 lbs. to support up to two backup power system batteries. The shelf shall be vented to allow heat to pass through the shelf surface.

7. Auxiliary Communications Cabinet – Type I:

a. Auxiliary Cabinet: The Auxiliary Communications Cabinet – Type I (ACC-1) shall be fabricated of the same material and finish as the ATC Cabinet and shall be mounted on the right side, below the police panel, when facing the cabinet front.

b. Cabinet Dimensions: The ACC-1 cabinet dimensions shall be approximately 24 inches wide (± 0.5 inch) by 24 inches tall (± 0.5 inch) by 8 inches deep (± 0.5 inch).

c. Cabinet Attachment:

The ATC Cabinet side wall shall form the back wall of the ACC-1 and the ACC-1 shall be continuous welded to provide a complete weather tight seal.

d. Knockouts: Two 1.375-inch knockouts shall be provided on the lower left and lower right side of the cabinet, positioned approximately 2 inches from their respective side wall and 3- inches from the back of the cabinet.

e. Panel Board, Through Holes, and Power Receptacles: A 0.75-inch plywood panel board shall be installed inside the

ACC-1, fastened to the back wall. The panel board shall be centered in the cabinet, have a minimum of 0.5-inch gap between the panel board outer edge and the side wall of the communications cabinet.

Four through holes shall be installed in the plywood panel board and continuing through the ATC Cabinet wall. The panel board holes will be 2 inches in diameter and the ATC cabinet wall holes will be 1.25 inches in diameter and protected with rubber grommets. Two through holes will be installed on the left side of the panel board. The top hole will be 6 inches OC from the top ACC-1 wall and 4 inches OC from left ACC-1 wall. The bottom hole will be 8 inches OC below the top hole and 4 inches OC from the left ACC-1 wall. Two through holes shall be installed on the right side of the panel board. The top hole will be 6 inches OC from the top ACC-1 wall and 4 inches OC from the right ACC-1 wall.

The bottom hole will be 8 inches OC below the top hole and 4 inches OC from the right ACC-1 wall.

One double duplex GFCI receptacle shall be installed inside the ACC-1 and mounted to the plywood panel board. The receptacle will be mounted 4 inches OC from right and 6 inches OC from bottom of the ACC-1 cabinet. A through hole, protected with a grommet, shall be provided behind the receptacle enclosure allowing the power cord to pass through the panel board and ATC cabinet wall. Install a 60-inch SJOOW 15 Amp rubber cord with NEMA 5-15P plug, inside the ATC Cabinet connected to raw AC power.

f. Lock: The ACC-1 door shall be equipped with a lock. The lock shall be PELCO SM- 1021/LOCKSM-1021 or equivalent. The lock shall be keyed for a master communication key (PELCO SM-0213/KEYSM-0213) or equivalent.

Two keys shall be furnished with each door lock. Each communication key shall have a shaft a minimum of 1.75 inches in length.

8. Auxiliary Communications Cabinet -Type II:

a. Auxiliary Cabinet: The Auxiliary Communications Cabinet – Type II (ACC-2) shall be fabricated of the same material and finish as the ATC Cabinet and mount the ACC-2 on the right side, when facing the ATC Cabinet front.

b. Cabinet Dimensions:

The ACC-2 cabinet dimensions shall be approximately 28 inches wide (± 0.5 inch) by 38 inches tall (± 0.5 inch) by 16 inches deep (± 0.5 inch).

c. Cabinet Attachment:

The ATC Cabinet side wall shall form the back wall of the ACC-2 and the ACC-2 shall be continuous welded to provide a complete weather tight seal.

d. Doors, Door Latches and Locks: The ACC-2 cabinet shall have one vertically hinged door mounted on the cabinet for interior access.

1) Enclosure Door Frames and Door Seals:

Each door shall be 38 inches high (± 0.5 inch) by 28 inches wide (± 0.5 inch). Each of the door openings shall not be less than 34 inches high (± 0.5 inch) by 24 inches wide (± 0.5 inch).

2) Latching Handles: The latching handles shall have provision for padlocking in the closed position. Each handle shall be 0.75-inch minimum diameter stainless steel with a minimum of 0.5-inch shank. The padlocking attachment shall be placed at 4 inches from the handle shank center. An additional 4-inch minimum gripping length shall be provided.

Door handles shall be vertical in the close position. All door handles shall rotate in a direction towards the door hinges to open the cabinet door.

3) Latch and Lock Mechanism: The latching mechanism shall be a…