Addendum Q&A+Additions+Revisions RFP8234 DMS_final.pdf

Addendum No. 1

RFP #18-10480-8234

Systemwide Dynamic Message Sign Systems

Prospective Respondents: You are hereby notified of the following information in regard to the referenced RFP:

REVISIONS

1. Replace Appendix G – Minimum Technical Requirements in its entirety with Appendix G – Minimum Technical Requirements – Addendum No 1 as provided to this Addendum.

Note. Additional requirements were added to the Communications and DMS software sections.

2. Replace Appendix J – Minimum Technical Requirements Traceability Matrix in its entirety with Appendix J – Minimum Technical Requirements Traceability Matrix – Addendum No 1 as provided to this Addendum.

Note. Additional requirements were added to the Communications and DMS software sections.

ADDITIONS

1. Appendix L – Security Requirements

QUESTIONS AND ANSWERS

Following are the answers to questions submitted in response to the above referenced RFP as of July 12, 2018. All of the questions have been listed verbatim, as received by the Pennsylvania Turnpike Commission.

Proposer Questions

Pennsylvania Turnpike Commission (PTC)

Systemwide Dynamic Message Sign Systems RFP #18-10480-8234

# Page Section Section Description Proposer Question Commission Response

1. With the potential for a nine (9)-year contract and changes in inflation and other factors, will both parties, the Commission and the DMS provider, have the opportunity to negotiate unit pricing after year three and each additional extension?

Refer to the RFP, Section I-24. Term of Contract.

2. If the Diverse Business Program is to be addressed within the RFP response, does PTC have any recommendations for organizations we can post public solicitations for interested Diverse Business (DB) Firms? Is there a location we can go to that provides a listing of these organizations?

Refer to Appendix E DIVERSE BUSINESS (DB) REQUIREMENTS, definition section #8 which lists 5 organizations that could be contacted.

3. If the Diverse Business Program is to be addressed within the RFP response, does PTC have any specific format they would like to see a good faith effort to solicit Diverse Business (DB) subcontractors?

Would a public solicitation meet this requirement?

A letter or email exchange showing the good faith effort is acceptable. Also refer to the Appendix E DIVERSE BUSINESS (DB) REQUIREMENTS, section 1c, Actions required during the procurement/consultant selection phase item b. Section 2 identifies what must be included in a good faith effort.

Proposer Questions

Pennsylvania Turnpike Commission (PTC)

Systemwide Dynamic Message Sign Systems RFP #18-10480-8234

# Page Section Section Description Proposer Question Commission Response

4. Do you require the sign faces to be aluminum masked with polycarbonate faces?

DMS enclosures, including sign faces, shall be in accordance with PennDOT Publication 408/2016-3, Section 1230, as referenced in the RFP.

All other terms, conditions and requirements of the original RFP dated June 22, 2018 remain unchanged unless modified by this Addendum.

Addendum No 1-RFP #18-10480-8234 Systemwide DMS Systems

Page G1 of G17 Appendix G – Minimum Technical Requirements Systemwide DMS Systems RFP #18-10480-8234

APPENDIX G

MINIMUM TECHNICAL REQUIREMENTS

GENERAL

The Proposer shall design and furnish a typical highway usage Light Emitting Diode (LED) Dynamic Message Signs (DMS) as described herein. The DMS shall utilize the existing Commission Advanced Traffic Management System (ATMS) software that is capable of controlling all of the Commission’s existing and proposed DMS from this contract. This document describes the functional sign requirements for several locations. The DMS, depending on the location, shall electronically vary the visual textual word, number, symbolic or graphic display as traffic conditions warrant.

Design, furnish, integrate, and test all DMS as described herein. These signs shall be Full Matrix, Full Color, LED-based DMS. Provide all information necessary to support the Commission in integration of the DMS into the Commission’s ATMS.

It is the sole responsibility of the Proposer to design, furnish, and integrate a fully functional DMS system, to the approval of the Commission. No additional payments will be made to the Proposer for the DMS system, unless additional work items are mutually agreed upon by both the Proposer and the Commission.

Material – Provide a fully debugged DMS system complete with all individual units, components, software modules, cabling, connectors, etc. that are completely compatible with each other and is capable of being controlled by the current ATMS workstations operated by the Commission.

General Requirements – The Dynamic Message Sign shall be designed in accordance with the latest versions of the following: PennDOT Publication 647, AASHTO Standards Specifications for Structural Supports for Highway Signs, Luminaires and Traffic Signals, MUTCD, NEMA, and NEC Codes. The DMS shall be manufactured from an ISO-9001 certified facility.

The power, communications, foundation, structure and attachment details for each DMS and control cabinet will be designed and furnished by others.

Each new DMS shall be compatible with the Commission ATMS software. The Proposer will support the Commission as required in the configuration of each DMS into the ATMS system with pre-established IP addresses provided by the Commission.

The Freeway Size DMS (Type 1) shall be comprised of multiple pixel based modules, containing full color LED technology, arranged to form a full matrix display. The matrix shall be capable of displaying, at a minimum, three (3) rows of fifteen (15) characters, with a nominal character size of 18-inches and a pixel pitch of between 0.79 to 0.81-inches. It shall have walk-in sign access and a maximum weight of 4,000 pounds.

The Arterial Size DMS (Types 2 and 3) shall be comprised of multiple pixel based modules, containing full color LED technology, arranged to form a full matrix display. The following characteristics are required of each sign Type:

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• Type 2 – Provide a matrix capable of displaying, at a minimum, three (3) rows of twelve

(12) characters each, with a nominal character size of 12-inches and pixel pitch of between

0.79 to 0.81-inches.

• Type 3 – Provide a matrix capable of displaying, at a minimum, three (3) rows of eleven

(11) characters each, with a nominal character size of 12-inches and a pixel pitch of between 0.79 to 0.81-inches.

The Arterial Size DMS shall have front sign access and a maximum weight of 1,200 pounds.

The DMS shall utilize full-color technology, in which the LED module is comprised of Red, Green and Blue LEDs. Each new DMS shall be mounted on a structure conforming to the Commission’s ITS Standards.

Light Emitting Diodes (LEDs)

A. The LEDs that make up the display modules shall be high luminous intensity T-1 3/4" type manufactured by a reputable manufacturer, such as Avago Technologies (formerly Agilent Technologies), Nichia Corporation, OSRAM, CREE or EOI. The LEDs shall have an ultraviolet light inhibitor in the epoxy dome package and be of a production type already tested for use in high vibration commercial traffic environments and climate of the northeastern United States.

B. Each Full-color DMS LED module shall be comprised of Red Green and Blue LEDs that meet the following specifications:

1. Red LEDs shall utilize AlInGaP semiconductor technology and shall emit red light that has a peak wavelength of 615-635nm.

2. Green LEDs shall utilize InGaN semiconductor technology and shall emit green light that has a peak wavelength of 520-535nm.

3. Blue LEDs shall utilize InGaN semiconductor technology and shall emit blue light that has a peak wavelength of 464-475nm.

C. All LEDs shall have a nominal viewing cone of 30 degrees with a half-power angle of 15 degrees measured from the longitudinal axis of the LED.

D. The LEDs shall be rated by the LED manufacturer to have a minimum lifetime of 100,000 hours of continuous operation while maintaining a minimum of 70% of the original brightness.

E. The LEDs used in the display shall be obtained from batches sorted for luminous output, where the highest luminosity LED in the batch shall not be more than fifty percent more luminous than the lowest luminosity LED in the batch when operated at the manufacturer’s recommended drive current. To ensure uniformity of display and operational life, all LEDs used to make up a display module shall be obtained from the same manufacturing batch.

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F. The LED manufacturer shall perform intensity sorting of the bins. LEDs shall be obtained from no more than two (2) consecutive luminous intensity “bins” as defined by the LED manufacturer.

G. The LED manufacturer shall perform color sorting of the bins. LEDs shall be obtained from no more than two (2) consecutive color “bins” as defined by the LED manufacturer.

H. The LED mean time before failure (MTBF) shall be a minimum of 100,000 hours of elapsed time calendar hours use in an ambient temperature of 131 degrees Fahrenheit, based on an average daily on-time usage factor of 50%, when driven at the specific forward current recommended by the LED manufacturer for normal daylight DMS display operation. As part of the LED manufacturer's technical specification sheet submittal, the specific forward current shall be noted.

I. The statistical average long term light output degradation of the LEDs used in the display, operated at the LED manufacturer’s recommended drive current to achieve a minimum of 100,000 hours of operation without catastrophic failure in an ambient temperature of 131 degrees Fahrenheit, shall not exceed the following:

1. A maximum of 10% reduction in light output after 10,000 hours of continuous on time.

2. A maximum of 25% reduction in light output after 50,000 hours of continuous on time.

3. A maximum of 30% reduction in light output after 100,000 hours of continuous on-time.

4. Manufacturer’s documentation for high temperature operating life (HTOL) shall indicate if HTOL values are based upon actual or extrapolated data.

LED Display Modules

A. The LED display modules shall have a minimum refresh rate of 60 times per second to prevent visible flicker.

B. The LEDs shall be grouped in pixels consisting of discrete LEDs arranged in a continuous matrix display with individual pixel addressability. The centers of all pixels shall be arranged so as to maintain the same horizontal and vertical spacing between adjacent pixels. All pixels shall be replaceable. The LED grouping and mounting angle shall be optimized for maximum readability.

C. The electronics for the DMS shall be fully configured to drive the total required number of

LEDs. The failure of any one pixel shall not affect the operation of any other pixel. The power driver circuitry shall be designed to minimize power consumption. Each LED display module shall have a diagnostic capability to detect a failure on the LED display module, down to the pixel level and report the failure to the DMS controller.

D. Removal of any display module shall not affect the operation of the remaining modules.

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E. The LED modules shall be protected from degradation due to sunlight. The method used shall not obstruct the view of the display or reduce the viewing angle below that provided by an unprotected LED module. The method and design of the DMS sunlight protection shall be approved by the Commission or its Representative.

F. Each pixel shall contain an adequate number of discrete LEDs, based on a nominal pixel spacing of 0.79 to 0.81 inches, center to center, to meet the luminosity requirements herein.

G. Each discrete LED on the display module is driven at the LED manufacturer’s recommended drive current to achieve a minimum of 100,000 hours of operation without catastrophic failure.

H. All DMS must be capable of meeting or exceeding the Manual of Uniform Traffic Control Devices (MUTCD) guidelines for inter-character and inter-line spacing of 25% and 50% of character height, respectively.

I. The 18” character of the Freeway DMS shall be clearly visible and legible from in-vehicle distance of 1,000 feet from the DMS face under clear daylight and nighttime conditions with the DMS face positioned in the roadway line of sight. The 12” character of the Arterial DMS shall be clearly visible and legible from in-vehicle viewing distance of 600 feet from the DMS face under clear daylight and nighttime conditions with the DMS face positioned in the roadway line of sight.

Dimming Circuitry

A. The DMS shall have a photocell controlled dimming circuit which shall automatically adjust the luminance of the LED display pixels in accordance with ambient light conditions. As part of the Proposer's submittal, a complete schematic of the LED display power, driver and dimming circuits shall be provided for approval by the Commission.

B. Continuous current drive shall be used at the maximum brightness level. The current used for maximum brightness shall not exceed the current used to achieve the rated mean time before failure (MTBF). The current used for maximum brightness shall be indicated as part of the submittal.

C. For luminance levels less than maximum brightness, either continuous current drive or current pulse width modulation shall be used to dim the LEDs. If pulse width modulation is used, the dimming circuit shall be designed so that the maximum, instantaneous and average currents shall not exceed the rated peak and transient forward current ratings of the LEDs.

D. The DMS shall be equipped with a minimum of two external light sensors oriented in opposite directions and shall be scaled for up to 100,000 lux.

E. The LED dimming circuit shall also incorporate temperature controlled dimming, which shall reduce the current through the LEDs based on the temperature inside the DMS enclosure, so that the LED current does not exceed the rated LED current at that

Page G5 of G17 Appendix G – Minimum Technical Requirements Systemwide DMS Systems RFP #18-10480-8234 temperature. If the temperature of the DMS exceeds the rated operating temperature of the LEDs the DMS shall blank-out, until the temperature has returned to safe operating levels.

F. The LED dimming circuit shall not cause the LED display to flicker as the temperature oscillates above and below the rated operating temperature of the LEDs.

Power Supply

A. The DMS shall be operated at a low internal DC voltage not exceeding 24 Volts.

B. The quantity of power supplies and current rating of each power supply shall be at least 25% spare capacity over that required to light every pixel of the DMS at full brightness.

C. The DMS and controller shall have redundant power supplies wired so that in the event of a failure of any one power supply, the second power supply shall automatically power that portion of the sign. Power supply failure shall be automatically reported by the DMS controller when polled by the DMS Central Processor.

D. The power supplies shall be short circuit protected and shall reset automatically after 5 seconds of AC power off. The power supplies shall be protected by a suitable overcurrent protection device.

E. The power supply shall have an efficiency rating of 85%, minimum.

F. The operating temperature range of the power supply inside the DMS enclosure shall be negative 20 degrees Fahrenheit to 140 degrees Fahrenheit.

G. The power supply shall be UL listed.

Sign Enclosures

The DMS enclosures shall be of such design and shape as to house all necessary LED display modules, LED display driver electronics, transformers, and power supplies unless otherwise indicated on the Contract Drawings.

A. The DMS enclosures shall have a weatherproof housing and all internal components shall be non-condensing and withstand a humidity range of 0 to 99%, non-condensing.

B. The DMS enclosures shall be constructed of corrosion resistant aluminum material conforming to the following:

1. Sheet aluminum shall be fabricated from aluminum alloy sheet meeting the requirements of ASTM B 209, Alloy 5052, Temper H3, or equivalent, minimum 0.125 inch thick. Cast aluminum shall be fabricated from aluminum alloy meeting the requirements of ASTM B 686, Alloy A 356 (A 13560) or equivalent. Flat cast surfaces exceeding 12 inches in both directions shall have a minimum thickness of 0.25 inches.

Flat cast surfaces not exceeding 12 inches in both directions shall have a minimum thickness of 0.187 inches.

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2. All DMS enclosures shall meet the requirements for TYPE 3R enclosures according to

NEMA Standard Publication 250, as well as those of PennDOT Publication 408/2016- 3, Section 1230 and Publication 647. All seams and openings shall be designed to prevent entry of water resulting from high pressure washing of the DMS enclosure.

3. Unpainted aluminum DMS enclosures shall be fabricated from mill-finish material and shall be cleaned using appropriate methods that will remove oil, film, weld black, and mill ink marks and render the surface clean, bright, smooth, and non-sticky to touch.

4. Isolate all adjacent dissimilar materials, as approved by the Commission.

5. All nuts and bolts used in the DMS assembly shall be stainless steel. All connecting surfaces shall be weatherproof and watertight when secured. All internal components shall be mounted so that there are no external protrusions.

6. The DMS shall be in accordance with the AASHTO Standard Specifications for

Structural Supports for Highway Signs, Luminaries, and Traffic Signals, except as modified herein: The DMS enclosures shall be designed and constructed to present a clean, neat appearance and the equipment located inside shall be adequately protected from moisture, dust, dirt, corrosion, and excessive heat.

7. All surfaces shall be suitably protected from the weather. All corners and seams shall be heli-arc welded to provide a weatherproof seal around the entire case.

8. The DMS enclosure shall not be adversely affected by salt from the roadways or marine environments or chemicals or fumes discharged from nearby automobiles, industries and other sources. The interior of the DMS face window and the LEDs shall be easily accessible for cleaning and other maintenance.

9. Appropriate precautions, such as heating elements or ventilation fans or openings, shall be taken to ensure that condensation does not occur between the matrix elements and the DMS window face, and that the environment inside all enclosures remains within the temperature and humidity limits required for proper operation of the sign’s electronic components.

10. Provide temperature sensor(s) in the DMS enclosure that is/are controlled and monitored by the DMS controller. Provide the capability for user defined critical thresholds to be established and changed remotely from the Commission’s Highspire Traffic Operations Center (TOC) or other location using the sign controller.

11. Provide humidity sensor(s) within the DMS enclosure that can detect relative humidity from 0%-100% in 1% or smaller increments. Provide an interface between the humidity sensor and the DMS controller which allows humidity levels to be monitored remotely from the TOC. Provide a sensor with an accuracy that exceeds 5% relative humidity.

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12. All hinges used shall be continuous stainless steel, equipped with stainless steel hinge pins. Each hinge shall be secured with stainless steel bolts and lock nuts. The hinge pins and bolts shall be tamper proof.

13. The dead load shall consist of the total weight as installed of the DMS enclosure and appurtenances. The point of application of weights of the individual items shall be their representative centers of gravity.

14. Ice load shall be as per AASHTO Standard Specifications for Structural Supports for

Highway Signs, Luminaries, and Traffic Signals, except that ice load shall be applied to all sides and top surfaces of the DMS enclosure simultaneously.

15. Wind load shall be as per AASHTO Standard Specifications for Structural Supports for

Highway Signs, Luminaries and Traffic Signals, except as modified herein: the enclosure and their mountings shall withstand a sustained wind speed of 90 miles per hour (mph), with a gust factor of 1.3.

16. Full 100 percent impact shall be used for handling and erection stress.

C. The signs shall be capable of being mounted without gaining access to the inside of the enclosure. All mounting eyes shall be attached to the DMS enclosure structural framing.

The DMS enclosure shall be adaptable for mounting as shown in PennDOT Publication 647.

D. Removal of any of the display modules or any other electronic or electrical component, shall not alter the structural integrity of the DMS display assembly or the DMS enclosure.

E. For Type 1 DMS, access to the interior of the DMS enclosure shall be walk-in access.

Access to the interior of the Types 2 and 3 DMS enclosure shall be front access. Opening door(s) shall allow maintenance personnel immediate access to circuit boards and internal sign parts, without having to remove any item in the sign, or the need to use any tools or to remove any device that could be dropped or lost, such as a locking pin or bolt. Each door shall be sealed to prevent the elements from entering, and shall have at least two locking points to keep unauthorized persons from accessing the interior of the DMS. In addition, each door shall be provided with rigid, telescopic, retention device, to keep the door in the open position. All doors, when in the open position, shall not obstruct any portion of the opening. The door system shall pull the door tight and compress a gasket located around the perimeter. The gasket shall prevent water from entering the interior of the cabinet.

F. All serviceable components shall be modular, interchangeable and removable from within the DMS enclosure. The sign design shall allow unobstructed and convenient access to all serviceable components within the DMS enclosure and between the DMS display and the DMS display cover.

G. Drain holes shall be provided and designed to remove any condensation that may form inside the DMS enclosure and allow any water that may have collected in the housing to escape. All holes shall be screened to prevent small objects, insects and creatures from entering into the enclosure.

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Ventilation Requirements for Type 1 DMS

A. Heating, cooling and/or dehumidifying equipment shall be sized to maintain the internal DMS enclosure temperature within the operating ranges of the electric, electronic and mechanical equipment components. The environmental equipment shall have controls which shall shut down the DMS just prior to the temperature that the interior of the enclosure reaches the rated maximum operating temperature of the LEDs, and shall restore operation when the temperature has returned to safe operating levels. The shutdown shall be automatically reported by the DMS controller when polled by the DMS Central Processor.

B. Electric ventilation fans shall be provided to generate positive pressure ventilation and shall be sized to provide 25 percent excess ventilation capacity, with one fan inoperative, over that required to maintain the DMS enclosure interior temperature within the range over which the DMS components can operate without failure or degradation, during full daylight heat gain conditions. All fans shall have ball or roller bearings. Fan operation and failure shall be reported to the DMS Central Processor via the communications protocol.

C. Louvered air inlets with removable, non-proprietary 500 micron, 2-stage filters and air deflector, sized to provide a maximum air intake velocity of 600 feet per minute with all fans operating. The direction of airflow and the filter characteristics (i.e., filter model number, type, dimensions, and particle size) shall be permanently engraved on each air vent. Exhaust air vents, if without filters, shall be screened to prevent small objects and creatures from entering into the enclosure.

Ventilation Requirements for Types 2 and 3 DMS

Ventilation Requirements for Types 2 and 3 DMS shall be identical to those for the Type 1 DMS.

A vent-free DMS housing for Types 2 and 3 DMS may be considered by the Commission if satisfactory evidence of proper operation is supplied with the technical submittal, including factory or third-party certification. Vent-free design shall ensure that the DMS enclosure interior temperature does not exceed the maximum range of the DMS components to ensure continued operation without failure or degradation, particularly during full daylight heat gain.

DMS Controller

A. The DMS controller shall be a microprocessor-based unit with sufficient on-board memory and input and output interfaces to provide all the functions required by this Section.

B. Proposer shall supply a (minimum) 30-minute battery backup for all DMS controllers.

C. The DMS controller shall accommodate both local and remote control from multiple host devices as described herein. Local control shall be supported from a locally connected sign programmer. Remote control shall be supported from a remotely located DMS Central Processor (control computer system).

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D. The DMS controller shall receive and interpret commands sent by the host device to either configure the DMS or cause a requested message to be displayed on the DMS. Based on the command, the DMS Controller shall provide return data to the host device to provide information about the status of the sign.

E. The DMS controller shall be capable of simultaneously receiving commands from and transmitting status data to multiple host devices; i.e., the sign programmer, local control panel and the DMS Central Processor.

F. The method of control of the DMS shall be dependent upon the setting of the Control Mode Selector switch in each local control panel. This switch shall allow for two modes of operation:

1. "Remote" mode: This is the normal mode of operation of the DMS, where all control is from a remote DMS Central Processor, via NTCIP data exchanged directly between the remote DMS Central Processor and the DMS controller.

2. "Local" mode: When the Control Mode Selector switch is in this position, control from the remote DMS Central Processor shall be disabled and the DMS shall be controlled in accordance with commands entered via the message selector switch on the Local Control Panel or a NTCIP data exchanged directly with a locally connected Sign Programmer. When in "local" mode, the remote DMS Central Processor shall still be able to monitor the status of the DMS.

G. When switching from one mode to another, the DMS shall continue to display its current message, until it receives a command to display another message, from either the remote DMS Central Processor or the local controls, as applicable.

H. A change of position of the mode selector switch shall be immediately reported to the DMS Central Processor in the form of an alarm, and shall be logged internally at the site CPU for retrieval on the next polling cycle, and in accordance with the communications protocol.

I. Each DMS controller shall have error detection and reporting features which shall be utilized to guard against incomplete or incorrect information transmission, message generation and display on the DMS, as well as provide capability to detect a failure down to a replaceable component and report the failure and failed component. All errors and hardware failures shall be logged and reported to the DMS Central Processor or Sign Programmer (if connected) via the communications protocol. The DMS controller shall have the capability to automatically recover from failure conditions when the failure conditions are corrected or the failures are no longer present, and report the restored operation of the DMS to the DMS Central Processor or Sign Programmer (if connected).

J. The DMS controller shall have diagnostic capabilities features to:

1. Perform redundant checking of all data received and transmitted, and incorporate cyclic redundancy check (CRC) error detection logic, as specified by the NTCIP standards.

2. Validate the content of all received transmissions.

Page G10 of G17

3. Check and report logic or data errors.

4. Monitor status for communication line malfunction or break.

5. Respond to system polling from the DMS Central Processor.

6. Check and report errors in display driver operation.

7. Check and report the failure and location of bad pixels.

8. Check and report the failure of bad fans.

9. Check and report whether the controller cabinet or DMS enclosure door is open or closed.

10. Check the operation and report the failure and location of bad power supplies.

11. Check the duration of power failures.

12. Check and report the number of occurrences the watchdog timer resets the controller.

K. Whenever any of the following error or failure conditions is detected, the DMS controller shall blank the DMS and shall include the error or failure in the return message:

1. The number of pixels that are not working for the particular sign type exceed a specified maximum value. The Proposer shall determine this number for each sign type and have these numbers approved by the Commission.

2. The ratio of the number of pixels that achieve a commanded state divided by the number of pixels commanded to that state exceeds a legibility threshold value. The test shall include only those pixels that are contained in the character positions of the message text.

3. Communication loss greater than a configurable time value measured in minutes. The default value shall be 10 minutes. If a system poll is not received within a configurable threshold period, the controller shall blank all signs connected to it. The configuration of system polling shall also have an option for disabling this feature.

4. Upon detection of a power failure to the DMS controller or the DMS display(s) connected to the controller, the current message displayed on the DMS just prior to the power failure shall be retained in memory.

5. Upon power restoration, the DMS shall remain blank if the duration of the power failure exceeded the configurable long term power failure duration threshold, else the previous message shall be restored to its respective DMS. The default value of the long term power failure duration threshold shall be 10 minutes.

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6. Overheating condition in DMS enclosure: The LED dimming circuit shall also incorporate temperature controlled dimming, which shall reduce the current through the LEDs based on the temperature inside the DMS enclosure, so that the it does not exceed the rated LED current at that temperature. If the temperature of the DMS exceeds the rated operating temperature of the LEDs, the DMS shall blank-out until the temperature has returned to safe operating levels.

7. Information on each of the specific failures shall be sent to the DMS Central Processor.

L. Each DMS controller shall have the capability of displaying messages transmitted directly from a DMS Central Processor or Sign Programmer in addition to displaying locally commanded messages from a pre-programmed local message library. Each sign's local message library shall have the capacity to store a minimum of 256 display messages with related display attributes for each message, such as flashing rate and percent "on" time.

The local message library shall consist of:

1. A "changeable, non-volatile" local message library stored in battery-backed RAM. The changeable local message library shall be programmable through both the DMS Central Processor and the Sign Programmer.

2. A "permanent, non-volatile" local message library, stored on EPROM shall be provided. Battery-backed RAM memory shall not be acceptable. If a microprocessor-based controller is used, then EEPROM, flash RAM or similar technology memory devices, programmed as described herein, may be used to store the message library.

M. Each DMS controller shall write messages on the DMS at a minimum rate of 300 characters per second.

N. Each DMS controller shall have an easily accessible and clearly labeled ON/OFF switch.

When in the "OFF" position all power shall be disconnected from the DMS control electronics and matrix units and the DMS shall blank-out.

O. The Proposer shall provide a means of establishing a monetary reset switch on the DMS controller. The contact switch shall reset the DMS controller when depressed. Operation of the momentary contact switch shall not require the user to hold the switch in the depressed position for more than 0.25 seconds.

P. The DMS controller shall interface and communicate with one or more Operator Interfaces, as indicated on the Contract Drawings. Operator Interfaces and associated functions shall be as described elsewhere herein.

Q. The DMS controller shall be provided with all software and hardware required to perform the following functions:

1. Password protection to restrict access to control and configuration functions.

2. Fully programmable parameters for all functions described in this section.

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3. Real-time clock and calendar for timing and scheduling of automatic functions. The calendar shall automatically adjust itself for leap years, and for changeover from Standard to Daylight savings time and back.

4. Variable message flash rate and percent "on" time.

a. Flash rate shall be adjustable in one-tenth second increments.

b. Percent "on" time shall be adjustable from 0 to 9.9 seconds, in one-tenth second increments.

5. Multi-page messages with variable page display times that are adjustable in one-tenth second increments from 0 to 15.0 seconds.

6. Negative text inversion (or inverse/reverse video) - switch between illuminated text on a dark background or dark text on an illuminated background. Inverse/reverse video shall be implemented with the use of standard NTCIP foreground and background objects.

7. Configurable line justification (center, left or right) with center justification as the default setting.

8. Configurable page justification (top, center, bottom) with center justification as the default setting.

9. Configurable message duration parameter, to specify how long the current message should remain displayed regardless of the status of the communications with the DMS Central Processor.

10. Communications Loss message threshold, to specify how long the current message should remain displayed in the absence of communications with the DMS Central Processor.

11. Control of pixel luminance levels, both directly and based on ambient light levels obtained from the photocells. Luminance levels shall be stored in the DMS controller and shall be adjustable, in a range of 0 to 255, on either a continuous logarithmic basis, to match the normal human eye luminous response characteristic, or a 1/2 incremental dimming basis, where each lower dimming level is 1/2 the previous level.

12. Monitoring of each pixel of the DMS.

13. Monitoring of power failures: When a power failure is detected, the displayed message shall be retained in memory. If power to the DMS controller is restored within a configurable period of time, the last displayed message shall be restored. If the duration of the power failure exceeds the configured period of time, the DMS shall remain blank, until a command to display a message is received. Upon restoration of power, the DMS controller shall report the occurrence, time and duration of the power failure, to the DMS Central Processor or Sign Programmer, if connected.

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14. Hardware watchdog timer: The DMS controller shall have a hardware watchdog timer that shall check for a stall condition in the controller hardware, software or firmware.

While the DMS controller is powered on, the software shall poll the watchdog timer.

Upon reset, the watchdog timer shall initialize its timing circuit. If the watchdog timing circuit times out without being reset by the software, the watchdog counter shall be incremented, and the watchdog shall reset the controller to clear a potential stall condition from the hardware, software or firmware and send an error message to the DMS Central Processor or Sign Programmer (if connected) to advise of the condition.

The number of occurrences that the watchdog timer resets the controller shall be transmitted to the DMS Central Processor or Sign Programmer (if connected) upon request and then cleared.

15. Programmable Font Sets: The DMS controller shall support multiple programmable font sets. The Commission currently utilizes fonts for 6”, 9”, 12”, and 18” character heights, variable and fixed width fonts, and single, double, and triple stroke fonts. Each font set shall be capable of being programmed from the DMS Central Processor or the Sign Programmer if connected. Three of the font sets shall look like the E-modified font set defined by the MUTCD, replicating the appearance of the font used on some static signage on the DMS. A single, double and triple stroke E-modified font shall be provided. A fourth font set shall be provided and shall replicate the Helvetica Medium font used on most static signage at the facility where the DMS is to be installed.

Additional font sets may be provided at no additional cost and will be considered as additional value added to the proposal.

16. Each font set shall include, but not be limited to, all upper case letters, numerals, punctuation marks and arrows that are displayed in each of the eight cardinal directions.

17. Customizable and Standard Graphics Library: Provide a suite of pre-generated MUTCD style symbols, along with the ability to modify or create independent symbols, saving of new graphics and color editing. The library should hold a minimum of 50 graphics.

18. The DMS controller shall keep a log of all system errors, malfunctions, automatic operations and locally controlled commands and activities. All logs shall be time and date stamped. The DMS controller shall have sufficient memory to store a minimum of 500 log entries. If 100% of the log storage memory has been reached without a successful download to the DMS Central Processor or a Sign Programmer, the oldest log entry shall be overwritten. The DMS controller shall download all log entries to a DMS Central Processor or Sign Programmer, upon user request from one of these devices and clear the log.

19. The DMS and Controller shall be capable of displaying a minimum of 256 different colors and colors in accordance with the standard messages indicated in the PTC DMS Messaging Library (Appendix K). DMS Controller shall be capable of displaying colors that conform to MUTCD requirements.

Page G14 of G17 Appendix G – Minimum Technical Requirements Systemwide DMS Systems RFP #18-10480-8234

Controller Cabinet

Furnish a controller cabinet capable of being pole or ground mounted for each of the DMS provided under this Contract. The controller cabinet shall protect all internal components from rain, ice, dust and corrosion in accordance with NEMA 3R standards, as described in NEMA Standards Publication 250 and be made of aluminum (0.125-inch thick). The controller cabinet must conform to the latest versions of PennDOT Publications 647 and 408, Section 1230. The controller cabinet shall include the following:

A. A full-height standard EIA 19-inch rack.

B. The main power supply and energy distribution system (main disconnect).

C. One work lamp to illuminate the work area, when the cabinet door is open (lamp shall automatically turn off when cabinet door is closed).

D. At least one 15 A, 120 VAC GFCI protected duplex service outlet.

E. Lightning protection and terminations for the communication and control cables.

F. Termination blocks for the control cables to and from the DMS housing.

G. Permanently mounted, weather-resistant document holder.

H. Electrical drawings printed on water/tear-resistant material.

I. A pullout shelf.

J. An open door alarm that reports to the DMS controller.

K. Surge protection on all incoming power lines meeting the following minimum specifications:

1. Maximum Clamp Voltage: 340V

2. Peak Current: 20,000 Amps

3. Response Time: 5 nanoseconds

4. Occurrences: 20 times at peak current

5. Minimum Series Inductance: 200 microhenries

L. In order to facilitate the potential future installation of communication system components, the controller cabinet must provide a minimum of 6 RUs for communication equipment installation.

M. The controller cabinet shall provide a minimum of one 120VAC outlet capable of providing 105W of power to the DC power supply.

Communications

Page G15 of G17 Appendix G – Minimum Technical Requirements Systemwide DMS Systems RFP #18-10480-8234

A. The Proposer shall provide layout space for a cellular modem and antenna, Ethernet network switches, and/or 4.9GHz communications network equipment.

B. The DMS controller shall have a minimum of two (2) serial data and one (1) Ethernet communications ports to facilitate simultaneous communications for local and remote control, programming, and diagnostics.

C. When connected to a serial port, the DMS shall automatically use the NTCIP communications stack associated with serial communications, i.e., NTCIP 2101, NTCIP 2201, and NTCIP 2301.

D. When connected to the Ethernet port, the DMS shall automatically use the NTCIP communications stack associated with Ethernet communications, i.e., NTCIP 2104, NTCIP 2202, and NTCIP 2301. All ports shall be configurable such that:

1. Communications with the serial ports shall support all typical serial baud rates ranging from 1200 to 115,200 baud.

2. Communications with the Ethernet port shall be capable of communicating via

TCP/IP or UDP/IP at 10 or 100 MB.

E. The serial ports in the DMS sign controller shall be protected with surge protection to protect the modem communication port from over-voltage and overcurrent conditions between each signal line and ground.

F. It is desirable that the DMS and DMS controller have the ability to send Syslog event messages to a Commission headend SIEM/Syslog server via Simple Network Management Protocol (SNMP).

G. The Proposer shall harden all devices to run only the services required to support the application. All unnecessary services must be disabled.

DMS Software

A. Furnish NTCIP compatible control/diagnostic software for the purpose of troubleshooting and testing. The software shall send requests and receive responses over any TCP/IP-based network for the functions of controlling DMS messaging, monitoring system status and performing DMS diagnostics (detecting failed pixels, display drivers, power supplies, alarm conditions, etc.).

B. The operating system and application software must be patched/updated to vendor recommended levels at all times.

C. Client software must not rely upon a specific version of Java or Adobe Flash to operate or maintain the DMS.

D. It is desirable that the administrator authentication/authorization access to the DMS be performed using Lightweight Directory Access Protocol (LDAP).

Page G16 of G17 Appendix G – Minimum Technical Requirements Systemwide DMS Systems RFP #18-10480-8234

E. For the details and definitions for the actual NTCIP communications protocols used to accomplish this, see below.

NTCIP

A. All DMS and associated control equipment shall comply with the latest versions of the National Transportation Communication for ITS Protocol (NTCIP) Standards, as follows:

1. NTCIP 1101:1996 (v01.12, December 2001) – Simple Transportation Management

Framework.

2. NTCIP 1103 v03 (December 2016) – Transportation Management Protocols (TMP).

3. NTCIP 1201 (v03, March 2011) – Global Objects (GO) Definitions.

4. NTCIP 1203 (v03, September 2014) –Object Definitions for Dynamic Message Signs

(DMS).

5. NTCIP 2101:2001 (v01.19, November 26, 2001) – Point to Multi-Point Protocol Using

RS-232 Subnetwork Profile.

6. NTCIP 2103 (v02, December 2008) – Point-to-Point Protocol over RS-232

Subnetwork Profile.

7. NTCIP 2104:2003 (v01.11, September 2005) – Ethernet Subnetwork Profile.

8. NTCIP 2201:2003 (v01.15, September 2005) – Transportation Transport Profile.

9. NTCIP 2202:2001 (v01.05, December 2001) – Internet (TCP/IP and UDP/IP)

Transport Profile.

10. NTCIP 2301 (v02.19s, October 2010) – Simple Transportation Management

Framework (STMF) Application Profile (AP) (AP-STMF).

B. Furnish all mandatory objects specified by the NTCIP specifications and all other objects, both NTCIP optional and the manufacturer specific, that are required to provide the functionality to meet the requirements of these specifications.

C. Each DMS Component shall support the Full, Standardized Object Range (FSOR) of all objects required by these procurement specifications, unless otherwise indicated or approved by the Commission or its Representative.

D. The DMS system shall not require the support of any agency-specific or manufacturer-specific objects. However, the Proposer shall propose any object definitions necessary to fulfill the above functional requirements that are not addressable by standardized NTCIP-defined object definitions. All functional requirements and the corresponding NTCIP objects have been carefully reviewed and only functions that have corresponding NTCIP

Page G17 of G17 Appendix G – Minimum Technical Requirements Systemwide DMS Systems RFP #18-10480-8234 objects have been selected. Manufacturer-specific objects may be implemented in the sign controller but they shall in no way required to be used in order to communicate with the sign.

E. The DMS shall support all mandatory objects of all mandatory Conformance Groups as defined in NTCIP 1201 and NTCIP 1203 and their amendments.

F. The NTCIP Component shall also implement all mandatory objects of the following optional conformance groups:

1. Time Management, as defined in NTCIP 1201.

2. Timebase Event Schedule, as defined in NTCIP 1201.

3. In the event of a conflict between the Specifications and Standards, the Commission or its Representative shall be solely responsible for the identification of the acceptable solution.

APPENDIX J - MINIMUM TECHNICAL REQUIREMENTS TRACEABILITY MATRIX - Addendum No 1 Systemwide DMS Systems RFP # 18-10480-8234

INSTRUCTIONS

TECHNICAL REQUIREMENTS TAB:

PASSWORD to unlock column D and E on Technical Requirements Tab

PTCDMSRFP2018

The Proposer shall select only one response code per requirement. Any response in another manner shall be considered a response of "DNM". Any response that is considered to be contradictory to information provided in other areas of the Proposal shall also be considered a response of "DNM".

For any response of "PM", the Proposer shall provide clarification comments in the provided cells with a clear description of any customization required to meet the referenced requirement, any alternative that is provided out of the box that the Proposer believes will provide the same functionality, while not fully meeting the requirement to the letter, or a description of how the requirement is partially met.

Proposers are encouraged to provide clarification comments to any response of "DNM", indicating why the requirement cannot be met and/or proposing an alternative, which can be provided, that may provide similar or superior functionality or benefit.

Indicate the ability to meet each of the listed technical requirements detailed in Appendix G - Minimum Technical Requirements.

FM - Requirement is fully met "out of the box", requiring no configuration or change to the device.

PM - Requirement is partially met.

DNM - Requirement cannot be met by the proposer.

The Commission has established the following response codes for use.

Page J1 of J10 Appendix J - Minimum Technical Requirements Traceability Matrix

Systemwide DMS Systems RFP# 18-10480-8234

Requirement Definition Existing Capability / Conformance Clarification Comments

G- 1 The DMS shall be compatible with and utilize the existing Commission Advanced Traffic Management System (ATMS) software.

G- 2 The DMS shall be Full Matrix, Full Color, LED-based DMS.

G- 3 The DMS system shall be fully debugged, complete with all individual units, components, software modules, cabling, connectors, etc. that are completely compatible with each other.

G- 4 The DMS shall be designed in accordance with the latest versions of the following: PennDOT Publication 647, AASHTO Standards Specifications for Structural Supports for Highway Signs, Luminaires and Traffic Signals, MUTCD, NEMA, and NEC Codes.

G- 5 The DMS shall be manufactured from an ISO-9001 certified facility.

G- 6 The DMS shall be comprised of multiple pixel based modules, containing full color LED technology, arranged to form a full matrix display.

G- 7 The Freeway Size DMS (Type 1) matrix shall be capable of displaying, at a minimum, three (3) rows of fifteen

(15) characters, with a nominal character size of 18-inches and a pixel pitch of between 0.79 to 0.81-inches.

G- 8 The Freeway Size DMS (Type 1) shall have walk-in sign access and a maximum weight of 4,000 pounds.

G- 9 The Arterial Size, Type 2 DMS matrix shall be capable of displaying, at a minimum, three (3) rows of twelve

(12) characters each, with a nominal character size of 12-inches and pixel pitch of between 0.79 to 0.81-inches.

G- 10 The Arterial Size, Type 3 DMS matrix shall be capable of displaying, at a minimum, three (3) rows of eleven

(11) characters each, with a nominal character size of 12-inches and a pixel pitch of between 0.79 to 0.81-inches.

G- 11 The Arterial Size DMS (Types 2 and 3) shall have front sign access and a maximum weight of 1,200 pounds.

G- 12 The DMS shall utilize full-color technology, in which the LED module is…