995TRAFFIC CONTROL SIGNAL AND DEVICE MATERIALS

995-1 Description.

995-1.1 General: This Section governs the requirements for all permanent traffic control

signals and devices . All equipment shall be permanently marked with manufacturer name or trademark, part number, and date of manufacture or serial number.

995-1.2 Product Acceptance: All specified products shall be items listed on the

Department’s Approved Product List (APL), unless otherwise noted below. Manufacturers seeking evaluation of products for inclusion on the APL shall submit an application in accordance with Section 6 and include the following documentation. A separate application must be submitted for each product to be evaluated, showing that the product mee ts the applicable requirements. Table 995-1 Documentation Requirements Assembly and Installation Instructions Include any surface preparations, assembly/installation instructions, operation manual, troubleshooting guides, and repair procedures. Independent Laboratory Test Results Product meets requirements of this Section. Product Label Photo Labeling shows the manufacturer’s name, trademark, and product model number/name. Label shows the date of manufacture and/or the manufacturer’s batch number. Additional label requirements, as listed within this Section. Product Photo Displays the significant features of the product as required in this section. Compliance Matrix Include completed compliance matrix at https://www.fdot.gov/traffic/traf -sys/product - specifications.shtm Manufacturer’s Product Specifications Include product specifications showing electrica l requirements, voltages, etc. Product Drawings or Cut Sheet Show mounting points, mechanical details, block diagrams, schematics, etc. Parts List List major parts and field serviceable components.

995-1.3 Abbreviations: The following abbreviations are used in this Section:

Acrylonitrile Butadiene Styrene (ABS) Alternating Current (AC) Direct Current (DC) Electronic Industries Alliance (EIA) Global Positioning System (GPS) Hypertext Transfer Protocol (HTTP) Institute of Transportation Engineers (ITE) Internet Protocol (IP) FY 2023-24 Return to Table of Contents Local Area Network (LAN) Network Time Protocol (NTP) Telecommunications Industry Association (TIA) Uniform Code Flash (UCF) Uniform Resource Locator (URL) Ultraviolet (UV)

995-2 Vehicle Detection Systems.

995-2.1 General: All parts shall be constructed of corrosion -resistant materials, such as

UV stabilized or UV resistant plastic, stainless steel, anodized aluminum, brass, or gold -plated metal. All fasteners exposed to the el ements shall be Type 304 or 316 passivated stainless steel. If the assembly includes a cabinet, meet the requirements of Section 676. Detectors shall meet the environmental requirements of NEMA TS-2-2021.

995-2.2 Inductive Loop Detector Units: Rack mount inductive loop detector units shall

meet the requirements of NEMA TS-2-2021. Shelf mount detector units shall meet the requirements of NEMA TS-1-1989.

995-2.3 Video Vehicle Detection System (VVDS) :

995-2.3 1 Configuration and Management : The VVDS shall be provided with

software that allows local and remote configuration and monitoring. The system shall be capable of displaying detection zones and detection activations overlaid on live video inputs. The VVDS shall meet the following criteria:

995-2.3 2 Detection Camera: Camera shall be recommended by the video

detection system manufacturer. Cameras that are integrated and included in a VVDS shall be compliant with the Code of Federal Regulations Section 200.216 Prohibition on certain telecommunications and video surveillance services or equipment https://www.ecfr. gov/current/title -2/subtitle-A/chapter -II/part-200/subpart -C/section -200.216.

995-2.3 3 Machine Vision Processor: The VVDS shall include a machine vision

processor that allows video analysis, presence detection, data co llection, and interfaces for inputs and outputs as well as storage and reporting of collected vehicle detection data.

995-2.3 4 Communications: The VVDS shall include a minimum of one serial or

Ethernet communications interface and shall meet the followi ng criteria.

995-2.3 5 Video Inputs and Outputs: Analog video inputs and o utputs shall

utilize BNC connectors.

995-2.3 6 Solid State Detection Outputs: Outputs shall meet the requirements of

NEMA TS2-2021, 6.5.2.26.

995-2.3 7 Electrical Requirements: The system shall operate using a nominal

input voltage of 120 V of alternat ing current (V AC) and with an input voltage ranging from 89 to 135 VAC. If a system device requires operating voltages other than 120 VAC, a voltage converter shall be supplied.

995-2.4 Microwave Vehicle Detection System (MVDS): Sidefire MVDS sensors shal l

have a minimum 200 -foot range and the capability to detect a minimum of 8 lanes of traffic.

995-2.4 1 Configuration and Management: The MVDS shall be provided with

software that allows local and remote configuration and monitoring. The system software shall be capable of displaying detection zones and detection activations in a graphical format. The MVDS shall meet the following criteria:

995-2.4 2 Communications: Major components of the detection system (such as

the sensor a nd any separate hardware used for contact closures) shall include a minimum of one serial or Ethernet communications interface and shall meet the following criteria:

995-2.4 3 Solid State Detection Outputs: Outputs shall meet the requirements of

NEMA TS2-2021, 6.5.2.26.

995-2.4 4 Electrical Requirements: The microwave detector shall operate with a

nominal input voltage of 12 VDC and with an input voltage ranging from 89 to 135 VAC. If any system device requires operating voltages other than 120 VAC, a voltage converter shall be supplied. The detector shall be FCC certified and has been granted authorization to operate within a frequency range established and approved by the FCC. The FCC identification number shall be displayed on an external label.

995-2.5 Wireless Magnetometer Detection System (WMDS):

995-2.5 1 Configuration and Management: The detection system shall be

provided with software that allows local and remote configuratio n and monitoring and shall meet the following criteria.

995-2.5 2 Communications: Components of the detection system (such as

sensors, access points, and contact closure cards) shall include a minimum of one serial or Ethernet communications interface and shall meet the following criteria.

995-2.5 3 Solid State Detection Outputs: Outputs shall meet the requirements of

NEMA TS2-2021, 6.5.2.26.

995-2.5 4 Electrical Requirements: The WDMS shall operate with a n input

voltage ranging from 89 to 135 VAC. If any system device requires operating voltages other than 120 VAC, a voltage converter shall be supplied.

995-2.6 Automatic Vehicle Identification (AVI):

995-2.6 1 Configuration and Management: The detection system shall be

provided with software that allows local and remote configuration and monitoring. FY 2023-24 Return to Table of Contents

995-2.6 2 Communications: Components of the detection system (such as

sensors, controllers, and processing hardware) shall include a minimum of one serial or Ethernet communications interface and shall meet the following criteria.

995-2.6 3 Probe Data Detector Requirements:

995-2.6 4 Electrical Requirements: The AVI shall operate with an input voltage

ranging from 89 to 135 VAC. If any system device requires operating voltages other than 120 VAC, a voltage converter shall be supplied. For solar powered devices, the detection system must operate for 5 days without solar assistance.

995-2.7 Wrong Way Vehicle Detection Systems (WWVDS):

995-2.7 1 Configuration and Management: The WWVDS shall be provided

with software that allow s local and remote configuration and monitoring. That the system shall have the capability to display detection zones and detection activations. The WWVDS shall meet the following criteria:

995-2.7 2 Communications: Major components of the WWVDS (such as the

sensor and any separate hardware used for contact closures) shall include a minimum of one serial or Ethernet communications interface and shall meet the following criteria:

995-2.7 3 Electrical Specifications: Equipment shall operate on solar power or

with an input voltage ranging from 89 to 135 VAC. If the device requires operating voltages of less than 120 VAC, supply the appropriate voltage converter. Solar powered systems shall be designed to operate for minimum of 5 activations per day and provide 10 days of operation without sunlight.

995-2.8 Vehicle Presence Detection System Performance Requirements: Presence

detectors shall provide a minimum detection accuracy of 98% and shall meet the requirements for modes of operation in NEMA TS2-2021, 6.5.2.17. FY 2023-24 Return to Table of Contents

995-2.8 1 Vehicle Presence Detection Accu racy: To verify conformance with

the accuracy requirements in this Section and as a precondition for listing on the APL, sample data collected from the vehicle detection system will be compared against ground truth data collected during the same time by hu man observation or by another method approved by the FDOT Traffic Engineering Research Laboratory (TERL). Ensure sample data is collected over several time periods under a variety of traffic conditions. Weight each data sample to represent the predominant conditions over the course of a 24 -hour period. Samples will consist of 15 - and 30-minute data sets collected at various times of the day. Representative data periods and their assigned weights are provided in Table 995-2. Table 995-2 Data Collection Peri ods Period Intended To Represent Duration Weight Early morning (predawn) [EM] 12:30 a.m. – 6:30 a.m. 15 minutes 24 Dawn [DA] 6:30 a.m. – 7:00 a.m. 30 minutes 2 AM Peak [AMP] 7:00 a.m. – 8:00 a.m. 15 minutes 4 Late AM Off -Peak [LAOP] 8:00 a.m. – 12:00 p.m. 15 minutes 16 Noon [NO] 12:00 p.m. – 1:00 p.m. 15 minutes 4 Afternoon Off -Peak [AOP] 1:00 p.m. – 5:00 p.m. 15 minutes 16 PM Peak [PMP] 5:00 p.m. – 6:00 p.m. 15 minutes 4 Dusk [DU] 6:00 p.m. - 6:30 p.m. 30 minutes 2 Night [NI] 6:30 p.m. - 12:30 a.m. 15 minutes 24 Total Sum of Weights 96 For example, the sample gathered for the Late AM Off -Peak period is intended to represent typical traffic conditions between 8:00 a.m. and 12:00 p.m. Since the sample period’s duration is 15 minutes and the actual period of time represented is 4 hours, the multiplication factor or weight assigned is 16, the number of 15 -minute intervals in a 4 hour period.

995-2.8 2 Calculation of Vehicle Presence Detection Accuracy: Determine

individual lane presence detection accuracy per period by subtracting from 100 percent the absolute difference of the total time monitored and the cumulative error time, divided by total time, expressed as a percentage. In the equation in 995 -2.8.2.1, “EM” represen ts the early morning period. The variable “i” represents a detector or detection zone and could vary from 1,…, N, where “N” is the total number of detectors observed. Substitute other detector numbers and periods as necessary to determine accuracy for all detectors during each period (i.e., dawn, AM peak, late AM off peak, etc.). Variables used in the following equations are identified as follows: PA = Presence detection accuracy TT = Total time CET = Cumulative Error Time (duration of all false and missed calls) N=Total number of detectors observed FY 2023-24 Return to Table of Contents

995-2.8 2.1 Early Morning Vehicle Presence Detection Accuracy for a

Single Detector Expressed as a Percentage: where: = Presence detection accuracy of detector i during the early morning period. = Total time that detector i was monitored (for instance, the 15 -minute minimum duration specified in Table 995 -2 for the early morning period). = Cumulative time that detector i was in an error state (indicating a detection with no vehicle present or not indicating a detection when vehicle present) during the monitoring period using human observation or another method approved by the Engineer. The period accuracy w ill be the arithmetic mean of all individual detector accuracies. In the equation in 995 -2.8.2.2, “EM” represents the early morning period and “ N” is the total number of detectors tested. Substitute other periods as necessary to determine the accuracy for each period (i.e., dawn, AM peak, late AM off -peak, etc.).

995-2.8 2.2 Early Morning Vehicle Presence Detection Accuracy for

All Detectors Expressed as a Percentage: Where: = Average accuracy of all detectors during the early morning. = Accuracy of detector i during early morning. Calculate the roadway segment accuracy over all periods using the equation in 995 -2.7.2.3. 100 100 det ,det , det , det , xTTCET TT PA ii i i EMEM EM EM− − = iEMPAdet , iEMTTdet , iEMCETdet ,     = = NPA PAN iEM EMi 1det , EMPA iEMPAdet , FY 2023-24 Return to Table of Contents

995-2.8 2.3 Total Vehicle Presence Detection Accuracy for All

Detectors Expressed as a Percentage: Where: PATotal =Accuracy for all detectors for all periods PAEM = Accuracy of all detectors during early morning traffic conditions PADA = Accuracy of all detectors during dawn traffic conditions PAAMP = Accuracy of all detectors during AM peak traffic conditions PALAOP = Accuracy of all detectors during late AM off - peak traffic conditions PANO = Accuracy of all detectors du ring noon traffic conditions PAAOP = Accuracy of all detectors during afternoon off - peak traffic conditions PAPMP = Accuracy of all detectors during PM peak traffic conditions PADU = Accuracy of all detectors during dusk traffic conditions PANI = Accuracy of all detectors during night traffic conditions

995-2.9 Traffic Data Detection System Acceptance Requirements:

995-2.9 1 Data Accuracy: The vehicle detection system shall be capable of

meeting the minimum total roadway segment accur acy levels of 95% for volume, 90% for occupancy, and 90% for speed for all lanes, up to the maximum number of lanes that the device can monitor as specified by the manufacturer . To verify conformance with the accuracy requirements in this Section and as a precondition for listing on the APL, sample data collected from the vehicle detection system will be compared against ground truth data collected during the same time by human observation or by another method approved by the TERL. Sample data shall be coll ected over several time periods under a variety of traffic conditions. Weight each data sample to represent the predominant conditions over the course of a 24 -hour period. Samples shall consist of 15 - and 30-minute data sets collected at various times of t he day. Representative data periods and their assigned weights are provided in Table 995-2.

995-2.9 2 Calculation of Volume Accuracy: Determine individual lane volume

accuracy per period by subtracting from 100 percent the absolute difference of the tota l volume measured by the detector and the ground truth volume measurement, divided by the ground truth volume measurement, expressed as a percentage. In the equation in 995 -2.9.2.1, “EM” represents the early morning period. The subscript “ i” represents a lane at the detection zone on the roadway segment and could vary from 1,…, N, where “N” is the maximum number of lanes being detected. Substitute other lane numbers and periods as necessary to determine the accuracy for each lane during each period (i.e., dawn, AM peak, late AM off -peak, etc.).   9624 2 4 16 4 16 4 2 24 xPAxPAxPAxPAxPAxPAxPAxPAxPAPANI DU PMP AOP NO LAOP AMP DA EM Total+ + + + + + + += FY 2023-24 Return to Table of Contents Variables and subscripts used in the equations below are identified as follows: VT = Total volume VD = Vehicle detection data (in this case, count data) GT = Ground truth measurement VA = Volume accuracy

995-2.9 2.1 Early Morning Volume Accuracy for a Lane Expressed as

a Percentage: Where: = Volume accuracy for early morning traffic conditions in the i th lane. = Total volume for the 15 -minute early morning period using the vehicle detector in the i th lane. = Total volume for the 15 -minute early morning period in the i th lane using human observation or another method approved by the Engineer. The period volume accuracy will be the arithmetic mean of the lane volume accuracy over all lanes. In the equation in 995 -2.9.2.2, “EM” represents the early morning period and “ N” is the total number of lanes of detection on the roadway segment under test. Substitute other periods as necessary to determine the accuracy for each period (i.e., dawn, AM peak, late AM off -peak, etc.).

995-2.9 2.2 Early Morning Volume Accuracy Expressed as a

Percentage: Where: = Average volume accuracy for early morning traffic conditions for all lanes. = Volume accuracy for early morning traffic conditions in the i th lane. Calculate the total volume accuracy over all periods usi ng the equation in

995-2 9.2.3.

100 100 ln, ,ln, , ln, , ln, xVTVT VT VA ii i i GTEMGTEM VD EM EM− − = iln,EMVA iln,VD,EMVT iln,GT,EMVT     = = NVA VAN iEM EMi 1ln, EMVA iln,EMVA FY 2023-24 Return to Table of Contents

995-2.9 2.3 Total Volume Accuracy Expressed as a Percentage:

Where: VATotal = Volume accuracy for all lanes for all periods VAEM = Volume accuracy for early morning traffic conditions VADA = Volume accuracy for dawn traffic conditions VAAMP = Volume accuracy for AM peak traffic conditions VALAOP = Volume accur acy for late AM off -peak traffic conditions VANO = Volume accuracy for noon traffic conditions VAAOP = Volume accuracy for afternoon off -peak traffic conditions VAPMP = Volume accuracy for PM peak traffic conditions VADU = Volume accura cy for dusk traffic conditions VANI = Volume accuracy for night traffic conditions

995-2.9 3 Calculation of Speed Accuracy: For computing the accuracy of the

detector speed measurement, the average speed readings obtained from the detection system are compared to ground truth values. The equation in 995 -2.9.3.1 represents the ground truth average speed computation procedure for a particular lane during a specific time period. The equation in 995 - 2.9.3.2 represents the average speed computation procedure for a particular lane during a specific time period using data gathered from the detection system. In the equations in 9 95-2.9.3.1 and 995 -2.9.3.2, the time period described is the early morning period, represented by “EM”, and the subscript “k” represents a vehicle traveling on the roadway and could vary from 1,…, K, where “K” is the total number of vehicles in lane i duri ng the time period under consideration. The subscript “i” represents a lane in a roadway and could vary from 1,…, N, where “N” is the total number of lanes of detection on the roadway segment. Substitute other lanes and periods as necessary and compute the accuracy for each lane for all time periods. Variables and subscripts used in the equations below are identified as follows: SA = Speed accuracy S = Speed of an individual vehicle K = Total number of vehicles in lane during time period veh = Vehicle   9624xVA2 xVA4 xVA16xVA4 xVA16xVA4 xVA2 xVA24xVAVANI DU PMP AOP NO LAOP AMP DA EM Total+ + + + + + + += FY 2023-24 Return to Table of Contents

995-2.9 3.1 Early Morning Average Ground Truth Speed:

Where: represents the average ground truth vehicle speed for the i th lane during the early morning period. represents the ground truth speed for the kth vehicle in the ith lane during the early morning period using human observation or another method approved by the Engineer.

995-2.9 3.2 Early Morning Average Vehicle Detector Speed:

Where: represents the average speed recorded by the vehicle detector for the ith lane during the early morning period. represents the speed for the k th vehicle in the i th lane during the early morning period using the vehicle detector. Determine lane speed accuracy per period by subtracting from 100 percent the absolute difference of the average lane speed measured by the detector and the average lane ground truth speed, divided by the average lane ground truth speed, expressed as a percent. In the equation in 995 -2.9.3.3, “EM” represents the early morning period. The subscript “ i” represents a lane of detection on a roadway and could vary from 1,…,N, where “N” is the total number of lanes of detection on the roadway segment. Substitute other lanes as necessary to determine the accuracy for each peri od (i.e., dawn, AM peak, late AM off -peak, etc.).

995-2.9 3.3 Early Morning Lane Speed Accuracy Expressed as a

Percentage: Where: represents the average speed accuracy during early morning traffic conditions for all vehicles that trave led in lane i of the roadway segment. The period speed accuracy will be the arithmetic mean of the lane speed accuracy, computed using the equation in 995 -2.9.3.3, over all lanes. In the equation in 995 -2.9.3.4, “EM” represents the early morning period. The subscript “i” represents a lane of detection on a roadway and could vary from 1,…, N, where “N” is the maximum number of lanes on the roadway segment. Substitute data as  ==K kvehGTEM GTEMAvgk i iSKS 1,ln, , ln, , ,1 iln,GT,EM, AvgSA k iveh ,ln,GT,EMS  ==K kvehVD EM VD EM Avgk i iSKS 1,ln, , ln, , ,1 iln,VD,EM, AvgS k iveh ,ln,VD,EMS 100 100 ln, , ,ln, , , ln, , , ln, , − − = ii i i GTEMAvgGTEMAvg VD EM Avg EMAvgSS S SA iln,EM, AvgSA FY 2023-24 Return to Table of Contents necessary to determine the accuracy for each period (i.e., dawn, AM peak, la te AM off -peak, etc.).

995-2.9 3.4 Early Morning Speed Accuracy Expressed as a

Percentage: Where: represents the average speed accuracy during early morning traffic conditions for all lanes of detection on the roadway segment. Calculate detector speed accuracy for the roadway segment over all periods using the equation in 995 -2.9.3.5.

995-2.9 3.5 Total Roadway Segment Accuracy Expressed as a

Percentage: Where: SATotal = Speed accuracy for all lanes for all periods SAEM = Speed accuracy for early morning traffic conditions SADA = Speed accuracy for dawn traffic conditions SAAMP = Speed accuracy for AM peak traffic conditions SALAOP = Speed accuracy for late AM off -peak traffic conditions SANO = Speed accuracy for noon traffic conditions SAAOP = Speed accuracy for afternoon off -peak traffic conditions SAPMP = Speed accuracy for PM peak traffic conditions SADU = Speed accuracy for dusk traffic conditions SANI = Speed accuracy for night traffic conditions

995-2.10 Probe Data Detection System Performance Requirements: Probe data

detectors shall establish a unique and consistent identifier for each vehicle detected and the time and location that the vehicle was detected and shall provide the following:

995-2.10 1 Calculation of Match Rate: Match rate is the percentage of the total

vehicle population of a road segment that is detected and matched at consecutive probe data detection sites.     = = NSA SAN iEMAvg EMi 1ln, , EMSA 96]24 2 4 16 4 16 4 2 24[ xSAxSAxSAxSAxSAxSAxSAxSAxSASANI DU PMP AOP NO LAOP AMP DA EM Total+ + + + + + + += FY 2023-24 Return to Table of Contents

995-2.10 1.1 Early Morning Match Rate Expressed as a Percentage:

Where: = Match Rate for early morning. = Number of matched detections between two probe vehicle detection sites (typically a pair of sites at each end of a roadway segment) during early morning. = Total volume of vehicles that pass the detection area for the 15 -minute early morning period using human observation or another method approved by the Engineer.

995-2.11 Wrong Way Vehicle (WWVDS) Detection System Performance

Requirements: To verify conformance with the accuracy requirements in this Section and as a precondition for listing on the APL, the wrong way detection system will be evaluated at the FDOT Traffic Engineering Research Lab (TERL). Under controlled conditions at the TERL facility, the wrong way detection system must be capab le of meeting the detection accuracy of 100% and zero false positive readings, using a sample size of 200 vehicles.

995-3 Loop Sealant.

Loop sealant shall be furnished in a premeasured two -part formulation and meet the following requirements: 100 100 ,, ,−− = GTEMGTEM VD EM EMVV MMR EMMR VD EMM, GTEMV, FY 2023-24 Return to Table of Contents Table 995-3 Loop Sealant Properties Property Test Method Performance Criteria Self-leveling Viscosity ASTM D562 @77°F Sealant shall not run out of unlevel slots Adhering to concrete and asphalt Install in 3/8 inch by 3 - inch saw cut, cure for 2 weeks at 77°F Visual inspection : sealant shall securely adhere to concrete and asphalt No visible signs of shrinkage after curing when tested for shrinkage using a dimensional measurement Curing ASTM C679 at 77°F Tack-Free at 2 hours from time of application Resistance to Fluids ASTM D570 Sealant shall resist weather, oils, gasoline, antifreeze, and brake fluid when tested for absorption for water, No. 3 oil, gasoline, antifreeze, and brake fluid for 24 hours Penetration ASTM D2240 Shore A Sealant shall resist penetration of foreign materials when tested for durometer hardness for 24 hours Expansion Cracking ASTM D412 Sealant shall resist cracking caused by expansion and contraction due to temperature changes when tested for tensile strength and elongation Cracking ASTM C1246 Sealant shall not become brittle with age or temperature extremes when tested for weight loss, cracking, and chalking Shelf Life Manufacturer’s Recommendations Sealant shall have a minimum shelf life of 12 months when stored in accordance with the manufacturer recommendations

995-4 Vehicular Traffic Signal Assemblies .

995-4.1 General: Vehicular traffic signal assemblies must meet the requirements of

Section 603 and the ITE Standard for Vehicle Traffic Control Signal Heads. Fastening hardware such as bolts, screws, nuts, washers, latches, and studs must be SAE Type 316 or 304 stainless steel. Horizontal signal assemblies must be constructed so the door hinges, when installed, are located on the bottom of the signal assembly. Vertical mounted five -section cluster assemblies must be constructed so that the door hinges, when installed, are located along the outside edges of the complete assembly and each section opens away from the horizontally adjacent section.

995-4.2 Twelve Inch Signal Head Assemblies: Construct the assembly of materials and

alloys specified in the ITE Standard for Vehicle Traffic Control Signal Heads. Construct signal housings to allow adjustment in multiple directions for proper signal alignment. If a serrated connection is used for positioning and alignment of the signal, the top and bottom opening of each signal head section must include a circular 72 -tooth serrated connection (2 -inch nominal I .D.) capable of providing positive positioning and alignment in 5 - FY 2023-24 Return to Table of Contents degree increments. When assembled and tightened, these connections must prevent rotation or misalignment of the signal head as well as misalignment between sections. The serrated area must start at the outside of the 2 -inch hole and be at least 1/8 inch wide. The teeth must have a minimum depth of 3/64 inch between peaks and valleys, be free from burrs or other imperfections, and provide positive locking with the grooves of mating sections, framework, and brackets. The serration on the top circular connection of a signal section must have a valley at the 0-degree position and the serration on the bottom circular connection must have a peak at the 0 - degree position, both aligned perp endicular to the front of the section. Connections must permit the assembly of a multi -section signal with the front of each section aligned within 1 degree. Provide at least two latching points with latch pads and manual Type 316 or 304 stainless steel latching devices that are tamper resistant. If backplates are mechanically attached, each signal section must have four backplate mounting attachment points on the back of the signal, on or no more than three inches from each section corner. Attachment p oints must be capable of accepting No. 10-16x3/8 inch or No. 10-24x3/8 inch Type 316 or 304 stainless steel screws for attaching backplates. Tri-stud washers, when utilized to secure signal sections, must have a minimum thickness of 0.090 inch. For five -section cluster assemblies, tri -stud washers used to attach the top signal section to the multi -signal bracket and the multi -signal bracket to the bottom four signal sections must have a minimum thickness of 3/8 inch. When fastened together, washer distortion is not allowed. Design each signal section to prevent the accumulation of standing water within the assembly. All sections comprising a single multi -section assembly must be securely fastened together to form a rigid and weather -proof unit.

995-4.2 1 Doors: Construct each signal section with at least two hinges for

mounting a door. Hinge pins must be captive. Doors must remain captive and secure at all times and be capable of either left or right swing. The door latch must hold the door tightly cl osed. The door must include slotted pads that allow the door to be opened and closed by engaging or disengaging the latching device. The outside face of the door must include four holes equally spaced around the circumference of the lens opening for the at tachment of a visor. The lens opening in the door must have a diameter of 11 to 11 -1/2 inches.

995-4.2 2 Visors: The rear of the visor must have four tabs, notches, or holes for

securing the visor to the signal housing door. The visor mounting method mus t permit the visor to be rotated and secured at 90 degrees for horizontal signal head installations. All visors must have a minimum length of 9 -1/2 inches, and a minimum downward tilt of 3.5 degrees measured from the center of the lens. Tunnel visors must encircle and shield the lens from 300 degrees, plus or minus 10 degrees. Louvers may only be used in combination with full circle visors. Light must not escape between the visor and the door.

995-4.2 3 Gaskets: Gaskets must be constructed of weather -resistant material and

be glued or sealed where they meet to provide one continuous length of gasket capable of providing a weatherproof seal for the signal assembly. Provide seals between the housing and door, between the lens and the door, and between any ot her mating surfaces where dust and moisture could enter. Gasket material must meet NEMA 250 and be constructed of temperature stabilized material that prevents any residue from collecting on the internal surfaces of the signal head.

995-4.2 4 Terminal Bl ocks: Provide at least one five -connection terminal block

in all three or more section signal head assemblies and at least three five -connection terminal FY 2023-24 Return to Table of Contents blocks in all five section signal head assemblies. Terminal block connections in the signal assembly m ust not require any tools other than a screwdriver. Mount terminal blocks to the signal housing with Type 316 or 304 passivated stainless steel hardware. Use only non -corrosive wire attachment screws approved by the Department.

995-4.2 5 Color and Fin ish: The housing, doors, visors and backplates must be

powder coated dull black (Federal Standard 595 -37038) with a reflectance value not exceeding 25 percent as measured by ASTM E1347. For plastic heads, the black color must be incorporated into the plast ic material before molding. The finish on interior and exterior surfaces of aluminum signal head assemblies, visors, doors, and housing, must be painted in accordance with Military Standard MIL-PRF-24712A or American Architectural Manufacturers Associat ion (AAMA) -2603-02 and must meet the requirements of ASTM D3359, ASTM D3363, and ASTM D522. Surface erosion, flaking, or oxidation must not occur within the normal life expectancy under typical installation conditions.

995-4.2 6 Plastic Signal Housings and Visors: Construct signal housing

assembly, door, and visors of UV stabilized plastic with a minimum thickness of 0.1 inch, plus or minus, 0.01 inch, with the following physical properties: Table 995-4 Plastic Signal Housings and Visors Test Minimum Re quirement Method Specific Gravity 1.17 ASTM D792 Vicat Softening Temp. 305-325°F (152 – 163°C) ASTM D1525 Brittleness Temp. Below -200°F (-129°C) ASTM D746 Flammability Self-extinguishing ASTM D635 Tensile Strength Yield, 8500 psi (58 MPa) ASTM D638 Elongation at yield 5.5 - 8.5% ASTM D638 Shear Strength Yield, 5500 psi (38 MPa) ASTM D732 Izod impact strength 15ft-lb/in (800 J/m) ASTM D256 Fatigue strength 950 psi (6.5MPa) at 2.5 mm cycles ASTM D671 Fatigue strength 950 psi (6.5MPa) at 2.5 mm cycles ASTM D671

995-4.2 7 Backplates: Backplates may be constructed of either aluminum or

plastic. Minimum thickness for aluminum backplates is 0.060 inch and the minimum thickness for plastic backplates is 0.120 inch. The required width of the top, bottom, and sides of backplates must measure between five to six inches. Color of backplates must be black in accordance with 995 -4.2.5. Backplate thickness measurement must not include the retroreflective sheeting thickness. If backplates are mechanically attached, provide a minimum of four corner mounting attachment points per signal section (for example, a three -section signal assembly would have 12 mounting points). Attachment points must not interfere with the operation of traffic signal section doors. Backplate outside corners must be rounded and all edges must be de - burred. If louvers are provided, louver orientation must be vertical on sides and horizontal on top and bottom of the backplate and must be at least 1/2 inch from the inner and FY 2023-24 Return to Table of Contents outer edge of the backplate panel. Universal backplates must fit all traffic signals listed on the APL. Mount the backplate securely to the signal assembly with Type 316 or 304 passivated stainless steel installation hardware. Back plates, if mechanically attached, must be marked in accordance with 995 -1, on the long sides of the backplate. Backplates must include retroreflective borders using Type IV yellow retroreflective sheeting listed on the APL. Place a 2 -inch border on the entire outer perimeter of the backplate panel, no closer than 1/2 inch from any louvers. All materials must be designed for exterior use and be UV stable.

995-4.2 7.1 Flexible Backplates: Flexible backplates must allow the

entire length of longer por tions of the backplate to flex 90 degrees, or until the backplate width is reduced to 2.5 inches or less, when influenced by high wind conditions, and return to zero degrees after the wind conditions subside. Flexible backplates must maintain visibility of the retroreflective border to approaching traffic, with up to 40 mph winds.

995-4.2 8 Light -Emitting Diode Optical Unit: The LED optical unit must

conform to the requirements of ITE’s Performance Specification, Vehicle Traffic Control Signal Heads - Light Emitting Diode (LED) Circular Signal Supplement , dated June 27, 2005 or Vehicle Traffic Control Signal Heads - Light Emitting Diode (LED) Vehicle Arrow Traffic Signal Supplement , dated July 1, 2007, with the following exceptions.

995-4.2 9 Electrical: Electrical conductors for LED signal modules must be a

minimum of 36 inches in length. Each lead from the LED module must be terminated with insulated slide -on terminals . The conductors must be color coded to identify the colo r of the module as follows:

995-5 Pedestrian Signal Assemblies .

995-5.1 General: Pedestrian signal assemblies must meet the requiremen ts of

Section 603, the MUTCD, and the ITE standard for Pedestrian Traffic Control Signal Indications . FY 2023-24 Return to Table of Contents

995-5.2 Housing and Visor : The housing must be weatherproof, sectional and may

consist of as many sections as optical units. The housing must prevent lig ht from escaping from one unit to another. The top and bottom opening of the housing must include a circular 72-tooth serrated connection (2 -inch nominal I.D.) capable of providing positive positioning and alignment in 5 degree increments. When assembled a nd tightened, these connections must prevent rotation or misalignment. The serrated area must start at the outside of the 2 -inch hole and be at least 1/8 inch wide. The teeth must have a minimum depth of 3/64 inch between peaks and valleys , free from burrs or other imperfections , and provide positive locking with the grooves of mating sections, framework, and brackets. The serration on the top circular connection of a signal section must have a valley at the 0 -degree position and the serration on the bottom circular connection must have a peak at the 0 -degree position, both aligned perpendicular to the front of the section. Housings must include latch pads and manual stainless steel latching devices that are captive, or non -removable. Housings must have at least two latching points. Reinforce all mounting points and adjacent housing material. The door enclosing the lens must be hinged and held securely to the housing. Provide a gasket meeting the requirements of ASTM D1056, Grade 2B2 between the h ousing and door and between the lens and door. If the fitting between the housing and door is weather -tight, the gasket may be omitted. Provide a visor or egg -crate louver that eliminates sun phantom for each signal face. Visor must be three -sided and ex tend a minimum of 7 inches at the top from the face of the lens. The visor must be constructed of noncorrosive No. 18 gauge sheet metal, not less than 0.05 inch thick, or 0.1 inch thick polycarbonate. All metal housings and visors must be powder -coat painted black in accordance with Military Standard MIL -PRF-24712A or AAMA -2603-02 with a reflectance value not exceeding 25 percent as measured by ASTM E97. For polycarbonate heads, the black color must be incorporated into the material before the molding pro cess. The housing must be constructed of a non -corrosive material. Cast metal parts must have a minimum tensile strength of 1 ksi (117 MPa) and sheet metal parts a minimum tensile strength of 27 ksi (186 MPa).

995-5.2 1 Die Castings: Meet the requireme nts in ASTM B85 for the physical

characteristics and chemical content for alloys S12A, S12B, SC84A, SC84B, SG100A and SG100B.

995-5.2 2 Sand Castings: Meet the requirements in ASTM B26 for the physical

characteristics and chemical content for alloys S5A and CS72A.

995-5.2 3 Permanent Mold Castings: Meet the requirements in ASTM B108 for

the physical characteristics and chemical content for alloys S5A and CS72A.

995-5.2 4 Polycarbonate: Polycarbonate housing assemblies, doors and visors

must be molded from ultraviolet stabilized polycarbonate plastic with a minimum thickness of 0.1 inch, plus or minus 0.01 inch, and provide the following physical properties: FY 2023-24 Return to Table of Contents Table 995-5 Polycarbonate Housing Assemblies, Doors, and Visors Test Minimum Requirement Method Specific Gravity 1.17 ASTM D792 Vicat Softening Temp. 305-325°F (152 – 163°C) ASTM D1525 Brittleness Temp. Below -200°F (-129°C) ASTM D746 Flammability Self-extinguishing ASTM D635 Tensile Strength Yield, 8500 psi (58 MPa) ASTM D638 Elongation at yield 5.5 - 8.5% ASTM D638 Shear Strength Yield, 5500 psi (38 MPa) ASTM D732 Izod impact strength 15ft-lb/in (800 J/m) ASTM D256 Fatigue strength 950 psi (6.5MPa) at 2.5 mm cycles ASTM D671

995-5.3 Light Emitting Diode (LED) Pedestrian Signal Optical Unit (State

Standard) : Provide a countdown pedestrian signal module meeting the requirements of the latest ITE LED Pedestrian Signal Specifications.

995-5.4 Electrical: Wiring and terminals must meet t he size, insulation, length , and

color-coding of the current ITE Pedestrian Traffic Control Signal Indicators LED specification. Wires must not have bare wiring exposed where wires are secured. The pedestrian signal must include a terminal block containing a minimum of three circuits, each with two noncorrosive screw -type terminals. Each terminal must accommodate three No. 18 AWG conductors and be labeled for ease of identification. The terminal block must not be obstructed and be visible when the housing is open.

995-5.5 Hardware: All brackets used to mount pedestrian signals must be an aluminum

alloy cast fitting, pipe , or equivalent material approved by the Department . Aluminum and aluminum alloy bars, rods, wires, profiles, and tubes must meet ASTM B221. Aluminum -alloy sand casting must meet ASTM B26. All mounting hardware must be painted black with a reflectance value not exceeding 25 percent as measured by ASTM E97. Ensure that all assembly hardware, including nuts, bolts, external screws a nd locking washers less than 5/8 inch in diameter, are Type 304 or 316 passivated stainless steel. Stainless Steel bolts, screws and studs must meet ASTM F593. Nuts must meet ASTM F594. All assembly hardware greater than or equal to 5/8 inch in diameter mu st be galvanized. Bolts, studs, and threaded rod must meet ASTM A307. Structural bolts must meet ASTM F3125, Grade A325.

995-6 Midblock Crosswalk Enhancement Assemblies .

995-6.1 General: Midblock crosswalk enhancement assemblies are classified as the

following types: In -Roadway Light Assemblies and Rectangular Rapid Flashing Beacon Assemblies (RRFB).

995-6.2 In-Roadway Light Assemblies: In-roadway light assemblies must meet the

physical and operational requirements of the latest edition of the MUTCD, Chap ter 4N. In-roadway light assemblies can include a passive detector in addition to a pedestrian pushbutton. In -roadway light assemblies must be normally dark and initiate operation upon pedestrian actuation via a pedestrian pushbutton or a passive detec tor. The In -roadway light assembly will cease operation at a predetermined time after the pedestrian actuation. If a passive detector is used, the In -roadway light assembly may cease operation after the pedestrian clears FY 2023-24 Return to Table of Contents the crosswalk. The duration of the predetermined period shall be programmable and capable of matching the pedestrian clearance time for pedestrian signals as determined by MUTCD procedures. The timer that controls flashing must automatically reset each t ime a pedestrian call is received. In-roadway light assemblies must have a minimum luminance of 101 candelas and a minimum viewing angle of 20 degrees.

995-6.3 Rectangular Rapid Flashing Beacon (RRFB): RRFB must include two rapidly

and alternately flas hed rectangular yellow indications having LED -array based pulsing light sources. Each rectangular yellow indication must be a minimum of five inches wide by two inches high. RRFB installations shall comply with the use and technical conditions of FHWA MUTCD Interim Approval 21 – Rectangular Rapid -Flashing Beacons at Crosswalks. The two RRFB indications shall be aligned horizontally, with the longer dimension horizontal and with a minimum space between the two indications of approximately 7 inches measured f rom inside edge of one indication to inside edge of the other indication.

995-6.3 1 Beacon Flashing Requirements: The light intensity of the yellow

indications shall meet the minimum specifications of SAE Standard J595 for Class 1 (Directional Flashing Optical Warning Devices for Authorized Emergency, Maintenance, and Service Vehicles) dated January 2005. Ensure RRFB assemblies are capable of automatically dimming to reduce brightness of the LEDs at nighttime. The flash rate of each individual yellow indication, as applied over the full on-off sequence of a flashing period of the indication, shall not be between 5 a nd 30 flashes per second. When activated, the two yellow indications in each RRFB shall have a flash rate of 75 flash cycles per minute using the following sequence: left side beacon on for 50 milliseconds (msec), both beacons off for 50 msec, right side b eacon on for 50 msec, both beacons off for 50 msec, left side beacon on for 50 msec, both beacons off for 50 msec, right side beacon on for 50 msec, both beacons off for 50 msec, both beacons on for 50 msec, both beacons off for 50 msec, both beacons on fo r 50 msec, both beacons off for 250 msec. No other flash patterns shall be selectable via hardware or software.

995-6.3 2 RRFB Operation: RRFB can include a passive detector in addition to

a pedestrian pushbutton. RRFBs must be normally dark and initiat e operation only upon pedestrian actuation via a pedestrian pushbutton, or a passive detector. The RRFB will cease operation at a predetermined time after the pedestrian actuation. If the passive detector is used, the RRFB may cease operation after the ped estrian clears the crosswalk. The duration of the predetermined period shall be programmable and capable of matching the pedestrian clearance time for pedestrian signals as determined by MUTCD procedures. The timer that controls flashing must automatically reset each time a pedestrian call is received. All RRFBs associated with a single crosswalk (including those with an overhead or advance crossing sign, if used) shall simultaneously commence operation of their alternating rapid flashing indications and shall cease operation simultaneously. RRFBs must include an instruction sign (FTP -68C-21) mounted adjacent to or integral with each pedestrian pushbutton , in accordance with the Standard Plans, Index No. 654-001. A confirmation light directed at and visible to pedestrians in the crosswalk must be installed integral to the RRFB to give confirmation that the RRFB is in operation.

995-6.3 3 Midblock Accessible Pedestrian Pushbutton: The assembly must

contain a speaker, audio amplifier, and noise monit oring microphone for auto volume control. FY 2023-24 Return to Table of Contents The accessible pedestrian pushbutton detector must meet 995 -9.3 for the locator tone feature. The pushbutton must not include a vibrotactile indication or percussive indications. The audible message must be pro grammable.

995-6.4 Cabinets, Housings, and Hardware: Cabinets used as part of the midblock

crosswalk enhancement assembly must be currently listed on the APL or meet the requirements of Section 676. All housings other than approved cabinets must be powd er coat painted dull black FED-STD-595-37038) with a reflectance value not exceeding 25 percent as measured by ASTM E1347. Cabinets and housings must prevent unauthorized access. Pole-mount assemblies shall allow installation on 4 -1/2 inch outer diameter posts. Ensure all assembly hardware, including nuts, bolts, external screws, and locking washers less than 5/8 inch in diameter, are Type 304 or 316 passivated stainless steel. Stainless steel bolts, screws, and studs must meet ASTM F593. Stainless stee l nuts must meet ASTM F594. All assembly hardware greater than or equal to 5/8 inch in diameter must be galvanized. Carbon steel bolts, studs, and threaded rod must meet ASTM A307. Structural bolts must meet ASTM F3125, Grade A325.

995-6.5 Electrical Spec ifications: Equipment must operate on solar power or a nominal

voltage of 120 VAC. If the device requires operating voltages of less than 120 VAC, supply the appropriate voltage converter. Solar powered systems must be designed to operate for minimum of 100 activations per day and provide 10 days of operation without sunlight. Each activation must be 30 seconds in duration. Solar powered systems must automatically charge batteries and prevent overcharging and over -discharging. Solar powered systems must inc lude a charge indicator.

995-6.6 Environmental Specifications: All electronic assemblies shall operate as

specified during and after being subjected to the transients, temperature, voltage, humidity, vibration, and shock tests described in NEMA TS2, 2.2.7, 2.2.8, and 2.2.9. Electronics must meet FCC Title 47, Subpart B, Section 15. The optical portion of the housing shall be sealed to provide an IP 67 rating.

995-7 Mast Arm, Span Wire, and Pole Mounting Assemblies .

995-7.1 General: Fastening hardware such as bolts, nuts, washers, set screws, studs, u -

bolts, cable and cable swags, must be provided by the mounting assembly manufacturer, must be SAE Type 316 or 304 stainless steel. Hardware (studs, bolts and u -bolts) must be a minimum of 5/16 inch diamet er unless otherwise specified in this Section. SAE Grade 8 bolts and nuts are also acceptable. Metallic mounting assemblies must meet ASTM B117 for corrosion resistance. Connections that provide an entrance to the interior of a traffic device must be weather-resistant. All assemblies must be constructed to support the weight of any combination of signal indications with all accessories such as back plates and visors. Connections between signal, disconnect and disconnect hanging hardware must be of the tri-stud design unless otherwise specified in this Section . Tri-stud washers must be a minimum 0.090 inch thick unless otherwise specified in this Section. Connections must be designed to mate with a standard traffic signal's 2-inch I.D. opening and mus t be capable of providing positive positioning and alignment of the traffic device. Connection type may be a 72 -tooth serrated edge or other connection type as long as all other specifications are met. For 72-tooth serrated edge connections , the teeth must be clean, FY 2023-24 Return to Table of Contents sharp, and at least 1/8 inch wide and 3/64 inch deep. All connection types must be weather resistant. All mounting assemblies must be capable of providing adjustment in multiple directions for proper alignment of the attached traffic device an d to prevent rotation around the vertical axis or misalignment after installation. Use studs that are either cast directly into the aluminum during the casting process or tapped and locked with a locking material. In each case, a pull -out force must be p rovided. Messenger wire clamps must be extruded aluminum six inches long or cast U -bolt type. Torque specifications must be included for all fastening hardware with the assembly installation instructions.

995-7.2 Product Identification: Mounting assemblies must be permanently marked in

accordance with 995 -1. Identification must be cast into, or metal -marked on, the assembly in a legible manner. When the assembly is made up of multiple components, each component must be identified with th e manufacturer’s name or trademark.

995-7.3 Finish: Unless otherwise specified, mounting assemblies and components must

be supplied with a natural finish with mill scale removed in accordance with Military Standard MIL-PRF-24712A or AAMA 2603-02 and must meet the requirements of ASTM 3359 and ASTM D3363. Disconnect (interior and exterior) and disconnect hub must be powder -coat painted dull black (Federal Standard 595A -37038) with a reflectance value not exceeding 25 percent as measured by ASTM E97. All fin ished surfaces must have a smooth finish free from cracks, blow -holes, shrinks, excessive material, and other flaws.

995-7.4 Mast Arm Mounting Assemblies: Mast arm mounting assemblies must include

the following components: mast arm saddle, swivel, attachment cables (with cable clamp mechanism) or bands . Unless the assembly uses a free -swinging mounting method, mast arm mounting assemblies must include the support tube, and top and bottom support arms . Mast arm mounting assemblies must be designed to be attached to a mast arm by cables or bands. All connections must be designed to prevent movement when 250 pounds of downward force is applied to the completed vehicular traffic signal assembly.

995-7.4 1 Saddle: Saddles must be aluminum or stainless steel and must have a

minimum yield strength of 16 ksi and a minimum ultimate tensile strength of 23 ksi in accordance with ASTM B26, ASTM B108, ASTM B85 or ASTM A240.

995-7.4 2 Swivel: Swivels must be aluminum or stainless steel and must have a

minimum yield strength of 16 ksi and a minimum ultimate tensile strength of 23 ksi in accordance with ASTM B26, ASTM B108, ASTM B85 or ASTM A240. The swivel must provide at least two connection devices to secure the support tube to the swivel and be configured to permit the support tube to provide adjustment in multiple directions in a plane parallel to the mast arm. Any castings used to attach the support tube to the swiv el must be manufactured from the same alloy as the swivel.

995-7.4 3 Saddle Attachment Cables and Bands: Mast arm saddle attachment

cables must be 3/16 -inch minimum diameter, Type 316 or 304 stainless steel aircraft type wire strand cable. The swage at t he ends of the cable (used to tighten the cable against the saddle) must be Type 316 or 304 stainless steel with a minimum 3/8 -inch diameter thread. The swage must permit use of a wrench to prevent rotation while tightening the nut at the end of the swage. If the attachment cable does not have swaged clamp screws at each end (double -ended), the unclamped end of the cable must be sintered, welded, or otherwise secured without adhesives to prevent unraveling of the cable. Banding must use two Type 304 or 201 series stainless steel FY 2023-24 Return to Table of Contents 3/4 inch wide bands and Type 316 stainless steel buckles (clamp screws). De -burr the edges of the bands.

995-7.4 4 Cable Clamp Mechanism: Mast arm mount components used to

secure the cable to the saddle must be aluminum or stainles s steel and must have a minimum yield strength of 23 ksi and a minimum ultimate tensile strength of 30 ksi in accordance with ASTM B26, ASTM B221, ASTM B85 or ASTM A240.

995-7.4 5 Support Tube: Support tubes used in mast arm mounting assemblies

must be a luminum or stainless steel and must have a minimum yield strength of 25 ksi and a minimum ultimate tensile strength of 30 ksi in accordance with ASTM B221 or ASTM A240. A gusseted hollow design may be used to provide for the routing of necessary wiring. Th e tube cross-sectional area’s principal moments of inertia must average; at a minimum, that of a 1.5-inch standard aluminum Schedule 40 pipe and the cross -sectional metal area must not be less than that of a 1.5-inch Schedule 40 pipe. The bottom portion of the tube that supports the vertical load of the hanging device must be threaded using National Pipe Thread Taper (NPT), National Pipe Thread Straight (NPS), non -threaded U -bolt secured, or a continuous arm support tube. Threaded support tubes that are ful ly slotted must have an aluminum insert in the 3/4 -inch slot extending a minimum of 1/2 -inch beyond the threaded section. To provide easy installation of wiring, the tube must have a minimum 0.562 -inch wire entrance slot running the full length of the tube, or either stopping a minimum of 8 inches above the threaded or U -bolt secured end. Edges of slot must be supported with internal gusseting. The tube interior and slot must be free of sharp edges that may damage wiring. Provide an easily installed and rem ovable UV stabilized seal to completely fill the wire entrance slot after installation.

995-7.4 6 Top Support Arm: The top support arm of the mounting assembly

must be of one -piece solid construction, or continuous arm with support tube, and capable of holding the signal head firmly in place. Top support arms must be aluminum with a minimum ultimate tensile strength of 30 ksi and minimum yield strength of 18 ksi in accordance with ASTM B26, or be die cast with a minimum ultimate tensile strength of 27 ksi and a minimum yield strength of 24 ksi. A one or two piece top arm is acceptable. For a one -piece top arm, use at least two 1/4 -inch minimum diameter Type 316 or 304 stainless steel set screws to secure its position on the support tube. When a two -piece top arm is used, hardware required to connect components of the top arm must be 3/8 -inch minimum diameter, Type 316 or 304 stainless steel. The top support arm must have three 1/4 inch - 20 UNC-2B threaded holes to accept bolts for a tri -stud washer a nd gasket, or at least one imbedded or tapped and locked 5/16 inch - 18 threaded stud within the industry’s standard 72 -tooth serrated circular design that facilitates 5 degree increment positioning. Provide 0.090 -inch thick (minimum) Type 316 or 304 stainless steel washers, nuts, and lock washers for attaching signal heads. A rubber washer, with dimensions similar to the large stainless -steel washer, must be provided for traffic signals. When mast arm clamps are used to support illuminated signs with tri -stud arrangements, a rubber washer with dimensions similar to the steel washer must also be used.

995-7.4 7 Bottom Support Arm: The bottom support arm, when not continuous

arm with support tube, must be hollow to allow the routing and enclosing of all sig nal wiring. Bottom support arms must be aluminum with a minimum ultimate tensile strength of 30 ksi and minimum yield strength of 18 ksi in accordance with ASTM B26, or be die cast with a minimum ultimate tensile strength of 27 ksi and a minimum yield stre ngth of 24 ksi. Plastic bottom arm FY 2023-24 Return to Table of Contents covers must be constructed of ABS with a UV inhibitor and be strong enough to contain the signal cable in the bottom arm cavity without bending during installation and warping over time. The end of the bottom support a rm that attaches to the support tube must have a 1.5-inch steel coupling imbedded and cast directly into the part during the solidification of the aluminum, or a 1 -1/2 inch NPT or NPS pipe thread cut directly into the casting. For non - threaded versions, th e arm must allow the support tube to sit a minimum of 2 inches into an arm pocket and be secured to the arm with minimum 5/16 -inch full U-shape U-bolt to distribute the load evenly to the lower arm casting. The end of the bottom support arm that connect s to the signal must have either three equally spaced and plumb imbedded 5/16 -inch Type 316 or 304 stainless steel threaded studs located in the center of the 72 -tooth serrated circular design, or three 1/4 inch – 20 UNC-2B tapped holes to accept bolts for a tri -stud washer.

995-7.4 7.1 Arms with Steel Coupling: If a threaded steel coupling is

imbedded into the casting, the bottom arm must be aluminum alloy 535.0-F in accordance with ASTM B26, with a minimum ultimate tensile strength of 23 ksi, meeting all standards listed in ASTM B26, including chemical composition listed in Table 1 and material mechanical properties listed in Table 2. The end of the bottom support arm must have at least two 1/4 -inch diameter Type 316 or 304 stainless steel set screws to secure its position on the support tube.

995-7.4 7.2 Threaded Arms: If threads are cut directly into the casting,

the bottom arm must be aluminum alloy 535.0 -F in accordance with ASTM B26, with a minimum ultimate tensile strength of 35 ksi and elongation of 9.0% in a 2-inch section, meeting all standards listed in ASTM B26, including chemical composition listed in Table 1 and material mechanical properties listed in Table 2. As an alternative, the arm can be die cast in aluminum with a minimum ultimate tensile strength of 27 ksi and a minimum yield strength of 24 ksi. The end of the bottom arm must have at least two 1/4 -inch minimum diameter Type 316 or 304 stainless steel set screws to secure its position on the support tube.

995-7.4 7.3 Non -threaded Arms: Lower arm must be aluminum 356

having a minimum ultimate tensile strength of 30 ksi and meeting all standards listed in ASTM B26, including chemical composition listed in Table 1 and material mechanical properties listed in Table 2. The arm must have a locator tab to receive the support tube and be secured by a U -bolt.

995-7.4 7.4 Continuous Arm Support Tube: The continuous arm

support tube must be of single form construction to support the weight of any combination of signal indicators w ith all accessories such as backplates and visors. Continuous support tubes must be Type 316 or 304 stainless steel with a minimum ultimate tensile strength of 75 ksi and a minimum yield strength of 30 ksi in accordance with ASTM A554, or aluminum with a minimum yield strength of 25 ksi and a minimum ultimate tensile strength of 30 ksi in accordance with ASTM B221. The continuous arm support tube attachment to the signal head must have a minimum of two 5/16-18 Type 316 or 304 stainless steel bolts, nuts and washers. A rubber seal must be provided between the support tube and signal head.

995-7.5 Span Wire Mounting Assemblies: Span wire mounting assemblies must

include a span wire clamp, a hanging device such as a drop pipe, adjustable hanger, or adjusta ble pivotal hanger with extension bar, messenger clamp, disconnect hanger, and multi -brackets. FY 2023-24 Return to Table of Contents

995-7.5 1 Span Wire Clamp: Span wire clamps must be aluminum or stainless

steel and must have a minimum ultimate tensile strength of 32 ksi and minimum yield s trength of 22 ksi in accordance with ASTM B28, ASTM B108, ASTM B85, or ASTM A240.

995-7.5 2 Drop Pipe: Drop pipe hangers must be galvanized 1.5-inch steel

aluminum having a minimum yield strength of 35 ksi and a minimum ultimate tensile strength of 42 ksi in accordance with ASTM B221 and have NPT on each end for assembly.

995-7.5 3 Aluminum Adjustable Hanger: Aluminum adjustable hangers must

be aluminum alloy 535.0 -F in accordance with ASTM B26 with a minimum ultimate tensile strength of 35 ksi and elon gation of 9.0% in a two -inch section, meeting the chemical composition listed in Table 1 and material mechanical properties listed in Table 2 in ASTM B26.

995-7.5 4 Stainless Steel Adjustable Hanger: Stainless steel adjustable hangers

must be Type 316 or 304 stainless steel with a minimum ultimate tensile strength of 75 ksi and a minimum yield strength of 30 ksi in accordance with ASTM A276.

995-7.5 5 Aluminum Adjustable Pivotal Hanger: Aluminum pivotal hangers

must be aluminum alloy 535.0 -F in accordan ce with ASTM B26 with a minimum ultimate tensile strength of 35 ksi and elongation of 9.0% in a two -inch section, meeting the chemical composition listed in Table 1 and material mechanical properties listed in Table 2 in ASTM B26.

995-7.5 6 Stainless Ste el Adjustable Pivotal Hanger: Stainless steel pivotal

hangers must be either Type 316 or 304 stainless steel with a minimum ultimate tensile strength of 75 ksi and a minimum yield strength of 30 ksi in accordance with ASTM A276.

995-7.5 7 Aluminum Extens ion Bar: Extension bars used to extend the length of

the adjustable hanger must be T6061 -T6 extrusion aluminum having a minimum yield strength of 35 ksi and a minimum ultimate tensile strength of 42 ksi in accordance with ASTM B221.

995-7.5 8 Stainless S teel Extension Bar: Stainless steel extension bar used to

extend the length of adjustable hangers must be Type 316 or 304 stainless steel with a minimum ultimate tensile strength of 75 ksi and a minimum yield strength of 30 ksi in accordance with ASTM A276.

995-7.5 9 Disconnect Hanger: The disconnect hanger must be supplied with the

following as a minimum:

995-7.5 10 Multi -Brackets: Top and bottom (multi) brackets used in the

assembly of span wire mounted multi -directional signals must be constructed of aluminum having a minimum yield strength of 13 ksi and a minimum ultimate tensile strength of 23 ksi per ASTM B26. FY 2023-24 Return to Table of Contents Top brackets must be of one -piece hollow design, with a cross -sectional diameter of at least 1 -1/2 inch I.D. for receiving signal wires. The wall thickness must be at least 3/16 inch. Each top bracket (2 -way, 3-way, and 4 -way) must have a two -inch diameter hole (with integral serrated boss as specified above) in the top side of the bracket for receiving a 1 -1/2 inch entrance fitting. The underside of the top bracket must have a cover ed hole of at least three inches in diameter for the installation of the signal wires. Bottom brackets must be of one -piece solid construction and must hold the signal heads firmly in place. For the five -section cluster configuration, provide 3/8 -inch-thick Type 316 or 304 stainless steel tri -stud washers and nylock nuts with lock washers to secure the top and lower signal sections of the cluster to the top multi bracket. Washer distortion must not occur after assembly of the five -section cluster. Mul ti-brackets must include all fastening hardware necessary to attach to the signal.

995-7.6 Pole (Pedestal and Post) Mounting Assemblies: All trunnions, brackets, and

suspensions used in mounting vehicular and pedestrian signals to concrete, steel, aluminu m, or wood poles must be an aluminum alloy cast fitting, pipe or equivalent as approved by the Engineer. The aluminum alloy must have a minimum ultimate tensile strength of 35 ksi in accordance with ASTM B221, ASTM B85, or ASTM B26. Pole side-mount brack ets used for pedestrian signals may be constructed of polycarbonate material.

995-7.7 Mounting Assemblies for Signs, Cameras, Detectors, and Other Traffic

Control Devices: Mounting assemblies or assembly components used for signs, cameras, detectors, and other traffic control devices must be constructed of the same material and meet the same mechanical and chemical properties as mounting assemblies for signals.

995-7.8 Miscellaneous Mounting Components: Miscellaneous mast arm, span wire,

and pole mounting components and accessories included with assemblies must meet the mechanical properties for its associated main assembly components or be listed separately on the APL. Mounting assemblies not approved with a specific primary device (such as a camera, detector, etc.), must be approved and listed separately on the APL.

995-8 Signal Priority and Preemption Systems .

995-8.1 General:

Signal priority and preemption system equipment may utilize optical, GPS, and radio frequency technologies.

995-8.2 Functional R equirements : Ensure that in -vehicle equipment operates without

requiring any action from the vehicle operator or occupants once power is applied .

995-8.2 1 Security: The system must include features that secure the system and

restrict its configuration and operation to authorized users and vehicles only.

995-8.2 2 Vehicle Identification : The system must be able to assign a unique

identifier for each authorized vehicle. The system must be able to associate the identifier with vehicle infor mation such as vehicle classification (e.g., fire, police, rescue, transit), owner/operator, and priority level.

995-8.2 3 Configuration and Management : The system must allow authorized

local and remote users to set and read all user -programmable feature s and retrieve data collected by the system . The manufacturer must provide computer software required to configure, operate, and maintain the system at no additional cost to the Department. FY 2023-24 Return to Table of Contents

995-8.2 4 Logging: The system installed in the field cabinet mus t store a record

of events, including time, vehicle ID, class, priority level, and approaching direction for all vehicles detected. The log must operate on a first -in, first out (FIFO) principle with a minimum capacity of 5,000 events.

995-8.2 5 Detection Range and Accuracy : The priority and preemption system

must be capable of detecting and identifying multiple authorized vehicles at various ranges up to 2,500 feet. The system must be able to determine the approaching direction of authorized vehicles. The detection range and programming of emergency (high priority) and transit signal (low priority) preemption shall be adjustable from within the traffic signal cabinet. High priority calls must override low priority calls . The system must service preempt ion calls having equal priority on a first- come, first-served basis .

995-8.3 Preemption System Cabinet Electronics : The priority and preemption system

must be compatible with NEMA TS 1, NEMA TS 2, Type 170, and Type 2070 traffic signal controllers and the ir respective cabinets . The system must be able to provide calls to the controller via input file and detector rack. The system must include two channel or four channel detector card units compatible with NEMA TS 2-2003 v02.06. The system must include a shelf mount option. The system must be able to provide emergency preemption (high priority) and transit signal (low priority) preemption calls to the controller . Detectors must include programmable timers that allow the operator to configure de tector call extension as well as limit the length of channel output calls. Channel output s must deliver a constant signal while emergency vehicles are detected for high priority preemption activation. Channel output s must deliver a pulsed output for low priority preemption activation. Inputs and outputs must be optically isolated.

995-8.3 1 Serial Interface : Ensure that the serial ports support data rates up to

115 kbps; error detection procedures utilizing parity bits ( i.e., none, even, and odd); and stop bits (1 or 2). Serial interface ports may utilize RJ -45 connectors, D -sub connectors, or screw terminals.

995-8.3 2 Network Interface : Ensure that LAN connection s support the

requirements detailed in the IEEE 802.3 Standard for 10/100 Ethernet Connections. Ensure that the connector complies with applicable TIA requirements.

995-8.4 Optical Preemption Detectors: Optical preemption detectors must respond to

light impulses generated from a visible or infrared light sour ce.

995-8.5 Intersection Radio/GPS Module s: Radio/GPS preemption systems must

include radio/GPS module s that transmit a beacon signal and receive data transmitted by Radio/GPS vehicle equipment .

995-8.6 Mechanical Specifications : Ensure that every conduc tive contact surface or pin

is gold-plated or made of a noncorrosive, conductive metal. Do not use self -tapping screws on the exterior of the assembly . All external parts must be made of corrosion -resistant materials, such as plastic, stainless steel, an odized aluminum, brass, or gold -plated metal. Detector cards must include indicators for power and vehicle detection . Detector cards must include a test switch that can be used to manually generate detector calls that the system provides during normal op erations. FY 2023-24 Return to Table of Contents

995-8.7 Electrical Specifications : Provide equipment that operates on a nominal voltage

of 120 volts VAC. If the device requires operating voltages of less than 120 VAC, supply the appropriate voltage converter.

995-8.8 Environmental Specifications : Ensure system electronics perform all required

functions during and after being subjected to the environmental testing procedures described in NEMA TS 2, Sections 2.2.7, 2.2.8, and 2.2.9. Detectors and detector connections tha t are exposed to the elements must be weatherproof and designed for outdoor use.

995-9 Pedestrian Detection System .

995-9.1 General: The components of the pedestrian detection system include

pushbuttons, pedestrian actuation signs, electronics, wiring, an d mounting hardware.

995-9.2 Standard Pedestrian Pushbutton Detector: Pushbuttons must be raised from

or flush with their housings and be a minimum of 2 inches in the smallest dimension. The pushbutton must require no more than 5 pounds of force to activate. The detector must be weather-tight and tamper resistant.

995-9.2 1 Housing: The housing must be a two-piece unit consisting of a base

housing and a removable cover. The housing must be cast aluminum meeting the physical characteristics and chem ical content established in ASTM B26 for alloys S5A and CS72A. The housing or adapter (saddle) must conform to the shape of a pole and provide a flush, secure fit . Saddles must be of the same material and construction as the housing. Pushbuttons for woo d pole mounting must have threaded holes for 1/2-inch conduit provided in the housing top or bottom . A 3/4-inch hole with an insulated bushing shall be provided through the back of the housing. Unused openings shall be closed with a weatherproof closure an d painted to match the housing. The housing must have a powder-coat finish and painted in accordance with Military Standard MIL -PRF-24712A.

995-9.2 2 Pushbutton: The pushbutton must include a normally open,

mechanical phenolic enclosed, positive -acting, spring -loaded, audible (i.e., click) snap-action switch with single pole, single throw contacts , or a Piezo driven solid state switch rated for a minimum of 50 V. The Piezo driven solid state switch, when activated, must give an audible (i.e., two-tone chirp) indication of actuation. A visual indication of actuation is optional. The visual indication must remain illuminated until the pedestrian’s WALKING PERSON (symbolizing WALK) signal indication is displayed. Switch connections inside the housing must allow wiring and installation without binding. The switch must have a design life of one million operations (minimum) at rated load.

995-9.2 3 Electrical Requirements: The wiring must be No. 18 AWG stranded

(minimum) with 600 V outdoor insulation rating .

995-9.3 Accessible (Audible/Tactile ) Pedestrian Pushbutton Detecto r: The accessible

pedestrian pushbutton detector must consist of all electronic control equipment, wiring, mounting hardware, pushbuttons , and pedestrian actuation signs designed to provide both a pushbutton with a raised, vibrating tactile arrow on the button as well as a variety of audible indications for differing pedestrian signal functions.

995-9.3 1 Electronic Control Equipment: The accessible pedestrian pushbutton

detector must include electronic control equipment that is programmable and adjustable using a laptop computer or vendor supplied programmer. Electronic control equipment must be able to be installed within a traffic controller cabinet or within a pedestrian signal housing. Electronic control equipment installed within a traffic controller cabinet must allow the use of up to FY 2023-24 Return to Table of Contents 16 pushbuttons (4 maximum per channel) with a single traffic controller cabinet. The accessible pedestrian pushbutton detector must receive timing from Walk and Don't Walk signals.

995-9.3 1.1 Audible Messages: Audible messages must be

programmable. All audible messages and tones must emanate from the accessible pedestrian pushbutton housing. The accessible pedestrian pushbutton detector must utilize digital audio technology. The system shall have, at a minimum, three programmable lo cator tones. The accessible pedestrian pushbutton detector must have independent minimum and maximum volume limits for the Locator Tone, Walk, and Audible Beaconing features. The Wait message must only annunciate once per actuation.

995-9.3 1.2 Pushbutt on locator tone: The accessible pedestrian

pushbutton detector must provide independent ambient sound adjustment for the locator tone feature. The accessible pedestrian pushbutton detector must allow the locator tone to be deactivated .

995-9.3 1.3 Vibra ting Pushbutton (VPB): The accessible pedestrian

pushbutton detector must include a Vibrating Pushbutton (VPB). The VPB must be a single assembly containing an ADA compliant, vibro -tactile, directional arrow button, weatherproof audible speaker , and pedestrian actuation sign with optional placard Braille messages. The VPB tactile arrow must be 2 inches in length , be field adjustable to two directions , and require no more than 5 pounds of applied force to activate.

995-9.3 1.4 Conflict Monitoring: The accessible pedestrian pushbutton

detector must monitor the Walk condition for conflict operation. The accessible pedestrian detector system must disable the Walk functionality if a conflict is detected.

995-9.3 1.5 Cabinet Control Unit (CCU): The accessible pedestrian

pushbutton detector may include a CCU for interfacing and connecting the system. The CCU shall have labeled LED indicators for e ach channel operation. The CCU must reset upon loss of internal communication.

995-9.3 2 Inputs and Outputs: All inputs and outputs must use Mil-Spec Multi -

pin connectors.

995-9.3 2.1 Inputs: Walk and Don’t Walk inputs must be optically

isolated 80 -150 volts AC/DC, 5mA max. General purpose inputs must be optically isolated 10 - 36 volts AC/DC, 10mA max.

995-9.3 2.2 Outputs: Outputs must be optically isolated 36 volts AC/DC

peak, 300mA solid state fused contact closures. CCUs must include a normally op en relay contact fault output.

995-9.3 3 Communication: The CCU must include an Ethernet interface. The

CCU must have an integral web server that provides information on audible/tactile pedestrian - pushbutton detector status, access to event logs, and provides for remote Configuration of accessible pedestrian pushbutton detector system options. VPB s must include an Ethernet, serial, USB, or Bluetooth programming interface.

995-9.4 Passive Detectors: The passive detector must consist of all electronic control

equipment, wiring, and mounting hardware.

995-9.4 1 General: A passive detector system uses one or more sensors and

analytics hardware and software to detect the presence and direction of pedestrians and activate the traffic control device without any required action by the pedestrian.

995-9.4 2 Config uration and Management: Ensure that the passive detector is

provided with software that allows local and remote configuration and monitoring. Ensure that FY 2023-24 Return to Table of Contents the system can display detection zones and detection activations overlaid on live passive detector inputs. Ensure that the passive detector allows a user to edit previously defined configuration parameters, including size, placement, and sensitivity of detection zones. Ensure that the passive detector retains its programming in nonvolatile memory. Ensur e that the detection system configuration data can be saved to a computer and restored from a saved file. Ensure that all communication addresses are user programmable.

995-9.4 3: Solid State Detection Outputs: Ensure outputs meet the requirements

of NEMA TS2-2021, 6.5.2.26.

995-9.4 4: Electrical Requirements: Ensure the system operates using a nominal

input voltage of 120 VAC. Ensure that the system will operate with an input voltage ranging from 89 to 135 VAC. If a system device requires operating vol tages other than 120 VAC, supply a voltage converter.

995-9.5 Electrical: All wiring must meet applicable NEC requirements. The accessible

pedestrian pushbutton detector must operate using a nominal input voltage of 120 VAC. If any device requires nominal input voltage of less than 120 VAC, furnish the appropriate voltage converter. Accessible pedestrian pushbutton detector control electronics that are mounted in a pedestrian signal head must be able to receive power from the Walk and Don’t Walk circuits of the signal head. Control electronics shall not require more than four wires for each pushbutton connection, and no more than two wires for each controller pedestrian input. Voltage at the pushbutton shall not exceed 24 VAC.

995-9.6 Mechanical: Do not use self-tapping screws on the exterior of the assembly .

Ensure that all parts are made of corrosion -resistant materials, such as plastic, stainless steel, anodized aluminum, brass, or gold -plated metal. Ensure that all assembly hardware, including nuts, bolts, external screws and locking washers less than 5/8 -inch in diameter, are Type 304 or 316 passivated stainless steel. Stainless steel bolts, screws and studs must meet ASTM F593. Nuts must meet ASTM F594. All assembly hardware greater than or equal to 5/8 -inch in diameter must be galvanized. Bolts, studs, and threaded rod must meet ASTM A307. Structural bolts must meet ASTM F3125, Grade A325. Enclosures must have a NEMA 4X rating. Pushbutton housings for intersections must be black.

995-9.7 Environmental: Ensure equipment performs all required functions during and

after being subjected to the environmental testing procedures described in NEMA TS2-2021, Sections 2.2.7, 2.2.8, and 2.2.9.

995-10 Traffic Controllers.

Traffic controllers must meet the industry standards in Table 995-6. Table 995-6 Traffic Controller Standards Device Standard NEMA TS2 Controller NEMA TS2 -2021 Model 2070 Controller CALTRANS TEES, 2020 Note: All controllers must meet AASHTO/ITE/NEMA ATC 5201, v06.25. All controllers must provide functionality that meets or exceeds operational characteristics, including NTCIP support, as described in NEMA TS2-2021. All controllers must: FY 2023-24 Return to Table of Contents 1.Capture all mandatory event -based data elements listed in supplemental requiremen t SR-671-2, Supplemental Traffic Controller High Resolution Data Logging Requirements, as published on the Department’s State Traffic Engineering and Operations Office website at the following URL: https://www.fdot.gov/traffic/Traf -Sys/Product - Specifications.shtm .

995-11 Traffic Cabinets.

995-11.1 General: Cabinets must be permanently marked with a label including the

manufacturer's name or trademark, model/part number, and the year and month of manufacture. Place the label on the inside of the main door using a water -resistant method. The label must be visible after installation. Painted and unpainted cabinets must meet the applicable requirements in Aluminum Cabinets, NEMA TS-2-2016, 7.7.2.

995-11.2 NEMA Traffic Signal Controller Cabinets: Provide NEMA traffic signal

controller cabinets with all termina ls and facilities necessary for traffic signal control meeting the following requirements: NEMA TS1 Controller Cabinet NEMA TS -1-1989 NEMA TS2 Controller Cabinet NEMA TS 2 2016

995-11.2 1 Documentation: Provide four paper copies of the cabinet wiring

diagram with each cabinet. The nomenclature of signal heads, vehicular movements and pedestrian movements on the wiring diagram must be in accordance with the signal operating plan. Documentation must include a list identifying the termination points o f cables used for vehicular and pedestrian signal heads, detector loop lead -ins, and pedestrian pushbutton wires. A heavy duty, resealable plastic opaque bag must be mounted on the backside of main cabinet door for storing cabinet documentation.

995-11.2 2 Police Switches: Provide the following police switches with Type 3

and larger controller cabinets. The switches must be mounted on the police panel and identified as to their function.

995-11.2 3 Service Switches: Service switches must be mounted on the service

panel or other loc ations approved by the Department and identified as to their functions. Provide the following service switches with Type 3 and larger cabinets.

995-11.2 4 Doors and Locks: Provide Type 3 and larger cabinets with a hinged,

rain tight and dust t ight police door which allows access to the police switches and manual jack. Locate the police door in the bottom half of the main door for Type 3 and 4 pole mount cabinets. Locate the police door in the upper half of the main door for Type 4 and larger base mount cabinets. Hinges and hinge pins must be constructed of stainless steel and prevent the door (main or police) from sagging. Hinges for the main and police doors must be 14 gauge and be located on the right side (viewed from the front). Type 3 and larger cabinets must be furnished with a three point draw roller latching system consisting of the following latching points:

995-11.2 5 Police and Service Panels: Provide a police service panel with

Type 3 and larger cabinets . The panels may be constructed of either sheet aluminum or cast aluminum. Locate the police panel behind the police door attached to the main door. The service panel must be mounted on the back side of the police panel. The police panel must have the following minimum dimensions:

995-11.2 6 Ventilation: Type 1 and 2 cabinets must be vented to allow

dissipation of the heat generated by the equipment housed inside the cabinet. Type 3 and larger cabinets must have dual, UL listed, thermostatically controlled fans, rated for continuous duty with a service life of at least three years. Mount thermostats on the inside top of the cabinet. Thermostats must be user adjustab le to allow temperature settings ranging from a minimum of 70°F to a maximum of 140°F and capable of activating the fans within plus or minus 5 degrees of the set temperature. The intake vent must be rain tight, located on the bottom half of the cabinet, a nd covered with a removable filter.

995-11.2 7 Shelves: Type 2 cabinets must be furnished with one shelf. Type 3 and

larger cabinets must be furnished with two adjustable shelves. Shelves must be adjustable in a maximum of 2 -inch increments from the top of the load panel to 12 inches from the top of the controller cabinet.

995-11.2 8 Mounting Hardware: Type 1, 2, and 3 cabinets must be supplied

with hardware for attaching the top and bottom half of the cabinet onto a flat or round surface. Optional wall or pole mount hardware must be provided for mounting Type 4 cabinets in specific installations. Type 4 cabinets must have rigid tabs attached to the bottom of the cabinet. Type 5 cabinets must have rigid brackets attached to the bottom of the cabinet. Rigid brackets and tabs must be constructed of the same material used for the cabinet. Type 4 and larger cabinets must be provided with one of the following alternatives for fastening to a concrete base:

995-11.2 9 Electrical: Fabricate ground busbars of copper or aluminum alloy

material compatible with copper wire and provide at least two positions where No. 2 AWG stranded copper wire can be attached. Mount a ground busbar on the side of the cabinet wall adjacent to the power panel for the connection of AC neutral wires and chassis ground wires. If more than one ground busbar is used in a cabinet, a minimum of a No. 10 AWG copper wire must be used to interconnect them. FY 2023-24 Return to Table of Contents

995-11.2 9.1 Wiring: All wiring must be laced. All conductors in the

cabinet must be stranded copper. All inputs and outputs must be terminated on terminal strips. A connector harnesses for the controller, conflict monitor, vehicl e detectors, and other controller accessory equipment must be furnished and wired into the cabinet circuitry. A vehicle detector harness or rack must be furnished with the cabinet. Terminal strip circuits must be provided for connection of the loop lea d-in cable.

995-11.2 9.2 Terminal Strips: The voltage and current rating of terminal

strips must be greater than the voltage and current rating of the wire which is terminated on the terminal strip. Conductors must be terminated on terminal strips w ith insulated terminal lugs. A calibrated ratchet crimping tool must be used to terminate the conductor in the terminal lug. When two or more conductors are terminated on field wiring terminal strip screws, a terminal ring lug shall be used for termina tion of those conductors. All terminal strip circuits must be numbered.

995-11.2 9.3 Cabinet Light and Receptacle: For Type 3 and larger

cabinets, provide one or more light fixtures that illuminate the entire interior of the cabinet. All lighting fixtur es must automatically turn on when the cabinet doors are opened and off when the doors are closed. Mount and wire a three -wire 115 VAC duplex receptacle in all cabinets. The receptacle must be protected by a 15A circuit breaker. Do not mount the receptacle on the main cabinet door or police and service switch panels.

995-11.2 9.4 Main Circuit Breaker: Provide a 15A circuit breaker wit h

Type 1 and 2 cabinets, and a 30A circuit breaker with Type 3 and larger cabinets. The main circuit breaker must turn off all power to the cabinet and shall not be used for the power switch located in the service panel.

995-11.2 9.5 Radio Interfere nce Suppression: A radio interference

suppressor must be provided in series with the AC power before it is distributed to any equipment inside the cabinet. The suppressor must provide a minimum attenuation of 50 decibels over a frequency range of 200 kHz to 75 MHz when used with normal installations and shall be hermetically sealed in a metal case. The radio interference suppressor must have the same minimum current rating as the main circuit breaker. The ground connection of the radio interference suppressor must be connected only to AC neutral and shall not be connected to earth ground directly.

995-11.2 9.6 Optically Isolated Inputs : The Opto common input is the

common reference pin for four optically isolated inputs. The Opto inputs are in tended to provide optical isolation for pedestrian detector and remote interconnect inputs. The Opto inputs are intended to connect through external 27 K ohm, 1 W resistors for 120 VAC operation and are intended for direct connection to 12 VAC from the cab inet power supply for pedestrian detector applications. These inputs may alternatively be used for low -true DC applications when the Opto common pin is connected to the 24 V supply. The Opto inputs shall provide electrical isolation of 10 megohms minimum resistance and 1000 VAC RMS minimum breakdown to all connector pins except the FY 2023-24 Return to Table of Contents Opto common pin. These inputs shall exhibit nominal impedance to the Opto common pin of 5 K ohm, plus or minus 1 0 percent, and shall require 2.4 mA, plus or minus 10 percent, from a nominal 12 VAC supply. The Opto inputs shall not recognize 3 VAC RMS or less relative to the common input and recognize 6 VAC RMS or more relative to the common input. Any steady state voltage applied between an Opto input and the Opto common shall not exceed 35 VAC RMS. Opto inputs shall not be acknowledged when active for 25 ms or less, and shall be acknowledged when active for 50 ms or more.

995-11.2 9.7 Load Resistors: A load resis tor or capacitor must be

installed between the AC (common) and each signal field wiring terminal for the yellow, green and walk indication. All load resistors and capacitors must be on the front side of any panel used in the cabinet.

995-11.2 9.8 Surge Protection: Furnish surge protective devices (SPDs)

for the main AC power input, all signal head field wiring terminals, interconnect cable terminals and loop lead -in cable terminals which are located in the cabinet. SPDs must be unobstructed and accessible from the front side of any panel used in the cabinet. Cabinets utilizing Din rail mounted SPDs must be grounded with a conductor to the cabinet busbar. The SPD for the main AC power input of the cabinet must be connected on the load side of the cabin et circuit breaker. SPDs for signal and interconnect cable field wiring terminals must meet the following:

995-11.3 Type 170 Traffic Signal Co ntroller Cabinets: Provide Type 170 traffic signal

controller cabinets with all terminals and facilities necessary for traffic signal control and meeting the following requirements: Model 332, 334 and 336S Cabinets CALTRANS TEES 2009 Model 336S cabin et must incorporate input surge protection mounted on a fold-down termination panel at the input file. Model 332 cabinets must incorporate a lower input termination panel. Model 332 and 334 cabinets must be base mounted. The Model 332 cabinet must have an auxiliary MODEL 420 output file, and be configured for 8 vehicle, 4 pedestrian, and 4 overlaps. FY 2023-24 Return to Table of Contents Model 552A designation is given to Model 332 cabinet assemblies that include a swing -out EIA 19 -inch rack cage. Model 662 designation is given to Model 552A cabinets with a 66 inch height. Cabinets must comply with figures for traffic control signals and devices available on the Department’s State Traffic Engineering and Operations Office website at the following URL: https://www.fdot.gov/traffic/Traf_Sys/Product -Specifications.shtm . All terminals and facilities on panels must be clearly identifie d using permanent silk -screened text.

995-11.3 1 Base Plate and Mounting Brackets: Provide cabinets with a standard

base mounting bolt pattern and a minimum of two aluminum plates welded inside for anchoring to a concrete or composite base.

995-11.3 2 Output File: Fabricate the output file using a "hard wired" harness.

Printed board circuit boards are not acceptable.

995-11.3 3 Shelf: Provide an aluminum shelf with storage compartment in the

rack below the controller (for remote secondary monitor/lap top computer use). The storage compartment must have telescoping drawer guides for full extension. The compartment top must have a non -slip plastic laminate attached. Provide an RS -232 connector for communications to the C2S port.

995-11.3 4 Loads: Provide dummy loads consisting of 4.7k resistors rated at

five watts minimum for Greens, Peds, and Yellows. The dummy loads must be mounted on a terminal block in the rear of the output file or other approved location. Wire one side of each dummy load to AC ret urn in a manner that allows a technician to easily attach the load to outputs from selected load switches.

995-11.3 5 Cabinet Light: Provide one or more light fixtures that illuminate the

entire interior of the cabinet. All lighting fixtures must automat ically turn on when the cabinet doors are opened and off when the doors are closed.

995-11.3 6 Surge Protection: Provide each cabinet with devices to protect

equipment from surges. Surge protector termination panels must be attached to the cabinet rack assembly and allow sufficient space for connections, access, and surge protector replacement. AC isolation terminals must be on the same side of the cabinet as the AC service inputs. DC terminals and loop detector terminals must be installed on the opposite side of the cabinet from the AC power lines. Surge protection for 332A cabinets must be mounted on the lower input termination panel. Surge protection for 336S cabinets must be mounted on a custom fold down termination panel at the input file. Under no circumstance (normal operation or short -circuit condition) shall the amperage capacity of the internal wiring and printed circuit board traces be less than the protecting threshold of circuit breakers and surge protectors provided.

995-11.3 6.1 Power Distribution Assembly Protection: The power

distribution assembly (PDA) SPD must be a two -stage series/parallel device that meets or exceeds the following:

995-11.3 6.2 Inductive Loop Detector Protection: Protect each inductive

loop detector input channel with an external SPD that meets or exceeds the following:

995-11.3 6.3 Signal Load Switch Protection: The outputs of each load

switch in the output file shall be provided with a MOV connected from the AC positive field terminal to the cha ssis ground. The MOV must be rated 150 VAC and shall be a V150LA20A (or approved equal).

995-11.3 6.4 Communication Input Protection: Each low voltage

communication input must be protected as it enters the cabinet with a hybrid two -stage SPD that meets or exceeds the following:

995-11.3 6.5 Low Voltage DC input protection: Each DC input must be

protected by an SPD that meets or exc eeds the following:

995-11.3 6.6 Preemption and 115V AC signal input protection: Each

preemption or AC signaling input channel must be protected by an external SPD that meets or exceeds the following requirements:

995-11.3 7 Model 210 Conflict Monitor with Absence of Red Monitoring: The

conflict monitor must be a Model 210 "PLUS" conflict monitor capable of detecting fault sequencing of signals on a per channel basis (i.e. , short or absence of yellow interval and/or simultane ous dual indications). All integrated circuits having 14 pins or more must be socket mounted.

995-11.3 7.1 Absence of Red Monitoring: The conflict monitor must be

capable of monitoring for the absence of voltage on all of the inputs of a channel (define d here as red, yellow, and green). If an output is not present on at least one input of a channel at all times, the unit shall begin timing the duration of this condition. If this condition exists for less than 700 milliseconds, the unit shall not trigger. If this condition exists for more than 1000 milliseconds, the unit shall trigger as if a conflict had occurred, causing the intersection to transfer immediately into a flashing mode, and "stop -time" to be applied to the controller. A red signal shall requ ire the presence of a minimum of 60 VAC, plus or minus 10 VAC, to satisfy the requirements of a red indication. The red input signals shall be brought into the conflict monitor through an auxiliary connector on the monitor's front panel. Provide a similar connector on the output file, with a removable harness connecting the two. Provide an indicator on the front panel of the monitor to identify the triggering of the monitor in response to the absence of red condition.

995-11.3 7.2 Red Monitor Harness: A connector and terminal assembly

designated as P20 for monitoring the absence of red, shall be an integral part of the output file. The connector must terminate, and be compatible with, the cable and connector of a Type 170 conflict monitor unit (CMU), capa ble of monitoring the absence of red. Provide the pin assignments of the P20 connector and terminal assembly with the cabinet plans. The P20 connector shall be physically like the cable and connector of a Type 170 CMU to prevent the absence of red cable co nnector from being inserted into the P20 connector 180 degrees out of alignment.

995-11.3 7.3 Programming of Unused Red Channels: Provide all

cabinet assemblies with a means of programming unused red channels by installing jumpers from red monitor input s to 115 VAC. The connecting terminals for the jumpers must be accessible and located in the same terminal block for all 16 channels to assure full compatibility of all cabinet assemblies with "210 Plus" conflict monitor units.

995-11.3 8 Police Door and Panel: Provide cabinets with police doors and

panels. The police panel must include text informing officers that yellow and all -red clearance intervals are timed internally. Police switch panels must include a manual jack. The jack must mate with a three circuit, 1/4 -inch diameter phone plug. Connect the tip and ring (middle) circuits of the jack to the logic ground and the interval advance inputs of controller unit. When the manual hand cord is plugged into the jack and the pushbutton is pressed, logic ground must be connected to the interval advance input of the controller unit. The pushbutton cord must have a minimum length of six feet with a 1/4-inch diameter three circuit plug connected to one end and a hand held manual pushbutton at the other en d. With the exception of the vehicular yellow and all red clearance intervals, a FY 2023-24 Return to Table of Contents complete cycle (push -release) of the manual pushbutton shall terminate the controller unit interval that is active. Cycling the push -button during the vehicular yellow or all red clearance intervals must not terminate the timing of those intervals.

995-11.3 9 Technician Service Panel: Provide cabinets with a technician service

panel which is mounted on the back side of the police panel (inside the main cabinet front door). There must be two switches located on the technician service panel, clearly labeled according to the following functions:

995-11.3 10 Swing-out Rack Assembly: Provide 552 -A cabinets with a pullout

and rotatable rack assembly as well as an interface panel mounted on the top of the rack assembly and attached to the top shelf. The rack assembly must be constructed to house components designed to be installed in a standard EIA 19 -inch rack and shall house the Controller, Input File, Output File No. 1, PDA No. 2, and a storage compartment. Construct the rack and slide/hinged mounting brackets so that when the rack assembly (fully loaded) can be pulled out with one hand with complete ease of operation including rotation of the assembly. The rack assembly must have a spring -loaded latch mechanism to secure the rack assembly inside the cabinet while in the "rest" position. When pulled out of the cabinet at any poin t from its resting position (inside cabinet) to its full extension and rotation, the fully loaded rack assembly shall not cause any member of the assembly to bend, warp or bind. The rack must be made of one -inch square aluminum tubing with welded joints an d extend and retract smoothly without noticeable friction or stress on roller guides, extension brackets, or other mechanical components. Maximum deflection of the entire rack assembly (with all equipment installed) shall not exceed 1/8 inch. The rack a ssembly must have 12 technician test switches mounted to the interface frame assembly. Technician test switches must be of the momentary type and shall have eight vehicle and four pedestrian inputs. The front of the rack assembly must be tapped with 10 -30 threads with EIA universal spacing for 19 -inch electrical equipment racks. The rack assembly must be attached to the left cabinet wall through combination slide/hinged mounting brackets. The slide/hinged mounting brackets must be fabricated from a luminum and/or stainless steel only. Mounting bracket guides must utilize 7/8 -inch stainless steel ball bearing rollers and allow extension and retraction of a loaded rack with minimal effort. The rack assembly must be capable of rotating 210 degrees from its rest position after full extension from the cabinet. FY 2023-24 Return to Table of Contents The rack assembly must have a minimum 7/16 -inch diameter aluminum rack stop rod attached to the inside left cabinet wall from the left side of the rack assembly to lock the rack into final p osition. All cabinet harnesses must be long enough to maintain cabinet connections and functionality when the rack assembly is fully extended and rotated to its maximum limit. Harnesses must not bind or crimp when the rack is fully retracted, extended, or in motion.

995-11.3 11 Service Panels for 552A: The 552A cabinet must include a field

service panel, auxiliary field service panel, and interface panel, all constructed of aluminum with a 1/8-inch minimum thickness. All components must be accessible f rom the front of the panels. Do not mount components or attach wires behind panels.

995-11.3 11.1 Field Service Panel: The field service panel must consist

of terminal strips, circuit breakers, transient protection devices, load resistors, capacitors, cable tie mounts and associated wiring for making all field wiring connections. Mount the field service panel in the cabin et on the lower right exterior cabinet wall. The field service panel must provide the necessary interconnecting junction points between the rack assembly and cabinet for the field service wires. The panel must be grouped for internal connections (jumpe rs) between terminals boards, wiring from the panel to the rack assembly, and wiring from the panel to the cabinet. The field service panel wiring harness must have flexible wire covered by a flexible non -metallic conduit from the field service panel t o the PDA, output file, and interface panel. The harness must have a metal clamp with a rubber grommet center attached to the field service panel to secure the harness to the panel for proper orientation of the harness with the rack assembly. Terminal stri ps for the panel shall be as listed below:

995-11.3 11.2 Auxiliary Field Service Panel: The auxiliary field service

panel mus t be mounted on the lower left interior cabinet wall and consist of a minimum of four terminal strips, 18 detector surge protectors and one pedestrian button isolation board assembly. The 18 surge protectors must be a three -terminal device, two of which ar e connected across the signal inputs of the detector for differential mode protection and the third terminal is grounded to FY 2023-24 Return to Table of Contents protect against common mode damage. Mount the pedestrian button isolation board on the auxiliary field service panel. Terminal strip s for the panel shall be Terminal Block, Barrier, 12 position, .438 Density, 6 -32 x 1/4 BH Screw, Open Bottom, Double Row, No. 14 AWG (max), 20A, 250V. Install a four -button pedestrian isolation board on the auxiliary field service panel to provide for the connection of the pedestrian buttons on phases 2, 4, 6 and 8. The board must provide electrical isolation of the field wiring to the internal cabinet wiring. The inputs to this isolation board shall be wired to terminal block TBA5 for connection to fi eld wiring. The outputs of this board shall be carried through the harness to the input file to the proper wires that go to the interface extension panel of the controller. The pedestrian button isolation board must include a PC board mounted on an alu minum panel with the following minimum dimensions: Height: 2 inches Width: 8 inches Thickness: 1/8 to 3/16 inch

995-11.3 11.3 Interface Panel: The interface panel must consist of eight

terminal strips, one telephone line suppressor and mo unting fixture, two 24 VDC relays and mounting fixtures, and all associated wiring for connecting the required interface equipment modules. The front of the panel must be covered by a 1/4 -inch clear plexiglass sheet, supported from the panel by four 1 -1/2 inch standoffs. Secure the panels and cover using wing nuts that are removable without the use of tools. The plexiglass cover shall have 1/2-inch slot, centered over each of the terminal strips. All covers and panels must be interchangeable. The panel wiring must provide the necessary interconnecting junction points between interface equipment cable harnesses and controller cabinet input and output signal. The panel wiring provides the functional wiring information for connecting the interface equip ment in the cabinet. The panel wiring must be grouped for internal connections (jumpers between terminal boards) as well as wiring from the controller and related cabinet functions to the terminal boards on the interface panel. Ground wires must be No. 14 AWG wire, minimum. The internal harnesses must be located between TB1, TB2 and TB3. The external and internal wiring must be located outside of TB1 and TB4, between TB2 and TB3. Terminal strips shall be Barrier type, .375 Density, 5 -40 x 3/16 BH Screw, Open Bottom, Double Row, No. 16 AWG (max), 15A, 250V. Terminals must use nickel/cadmium plated brass screws. All terminals and facilities on panels must be clearly identified using permanent silk -screened The K1P and K2F relays shall be 15A mi niature relays with polycarbonate cover, 2 form C (CO) contact arrangement, DC coil input, socket mount, .187 inch quick connect/solder terminals, AgCdO (15A) contacts, and 24 VAC coil voltage with matching socket and hold down spring. All screws on the re lay socket must be brass with nickel/cadmium plating.

995-11.3 12 Storage Compartment: Mount an aluminum storage compartment

in the rack assembly. The storage compartment must have telescoping drawer guides for full FY 2023-24 Return to Table of Contents extension of drawer from rack assembly and have a continuous front lip for opening the compartment top for storage. The top of the compartment must be non -slip plastic laminate. Install a communication port on the right hand side of the drawer at the front for connecting to the communicatio ns port of the controller unit via the cabinet harness.

995-11.3 13 Cabinet Rails: Provide the cabinet with four cabinet rails for

mounting wiring panels and various brackets. Rails must be keyhole design with slots 2 inches on center with a top opening diameter of 5/8 inch to allow the insertion of a 5/8 inch by 1 inch carriage bolt. The rails must be approximately 1 -1/2 to 2 inches wide by 1/2 inch deep. Do not use unistruts or other rails.

995-11.3 14 Electrical: Do not use printed circuit boards in any controller cabinet

subsystem file or panel, including but not limited to the output file (except for the red monitor program board), service panel, interface panel, and input file.

995-11.3 14.1 Wiring: Cut all wires to the proper length and neatly laced

into cables with nylon lacing. No wire shall be doubled back to take up slack. Cables in the cabinet must not interfere with the routing and connection of field wiring. Cables must be secured with nylon cable clamps, unless specified otherwise. The p osition of cables between the components must be such that when the door is closed, it does not press against the cables or force the cables against the various components inside the controller cabinet. Fabricate ground busbars of a copper or aluminum alloy material compatible with copper wire and provide at least two positions where a No. 2 AWG stranded copper wire can be attached. Mount a 6 inch ground busbar with screw terminals on the bottom flange on each side of the cabinet for connection of AC ne utral wires and chassis ground. Attach a flexible ground strap between the left side ground busbar and the left side bottom rear of the rack assembly. Wiring harnesses must be covered by a flexible non -metallic conduit. Panel wire size must be a minimum of No. 18 AWG unless otherwise specified.

995-11.3 14.2 Terminals: Terminal connections must be soldered or

constructed using a calibrated ratchet type crimping tool. Wiring must be traceable and without entanglement.

995-11.4 Controller Cabinet Flashing Operation: When a non -emergency flashing

operation is required, th e selected operation shall be performed by the UCF format. The following shall utilize UCF format:

995-11.5 Intelligent Transportation System Cabinets: The cabinet shell must conform

to NEMA 3R requirements, be constructed of unpainted sheet aluminum alloy 5052 -H32 with a minimum thickness of 0.125 inch and have a smooth, uniform natural aluminum finish without rivet holes, visible scratches or gouges on the outer surface. Othe r finishes are acceptable if approved. The dimensions for cabinets are listed below. Table 995-7 Cabinet Dimensions in Inches Cabinet Type Height Width Depth 340 66” - 68” 44” - 46” 26” - 28” 336 36” - 39” 24” - 26” 20’ - 22” 336S 46” - 48” 24” - 26” 22” - 24” 334 66” - 68” 24” - 26” 30” - 32” 332D 66” - 68” 48” - 50” 30” - 32” P44 55” - 59” 44” - 46” 26” - 29” The cabinet must be weather resistant and constructed with a crowned top to prevent standing water. All exterior cabinet welds must be gas tungsten arc (TIG) welds and all interior cabinet welds must be gas metal arc (MIG) or TIG welds. All exterior cabine t and door seams must be continuously welded and smooth and all inside and outside edges of the cabinet must be free of burrs, rounded and smoothed for safety. All welds must be neatly formed and free of cracks, blow holes and other irregularities. Use ER5 356 aluminum alloy bare welding electrodes conforming to AWS A5.10 requirements for welding on aluminum. Procedures, welders and welding operators must conform to AWS requirements as contained in AWS B3.0 and C5.6 for aluminum. The cabinet must have a li fting eye plate on both sides of the top of the cabinet for lifting and positioning it. Each lifting eye must be secured with a minimum of two bolts to the cabinet body and have a lift point opening diameter of 0.75 inch and capable of supporting a weight load of 1,000 pounds. All external bolt heads must be tamperproof. Ground-mount cabinets must include a removable base plate and two aluminum plates, welded inside, for anchoring the cabinet. Fabricate the plates from aluminum alloy 5052-H32 a minimum of 4 inches wide by 0.125 inch thick. Provide the cabinet with four 1 inch diameter holes for anchoring.

995-11.5 1 Doors: Provide cabinets with front and rear doors, each equipped with

a lock and handle. Doors must be full size, matching the height and wi dth dimensions of the cabinet enclosure, with no fewer than three Type 4 or larger stainless steel hinges or; alternately, one full-length “piano” hinge. Hinges must be constructed of 14 gauge stainless steel with stainless steel hinge pins that are spot -welded at the top. Mount the hinges so that they cannot be removed from the door or cabinet without first opening the door. Brace the door and hinges to FY 2023-24 Return to Table of Contents withstand 100 pounds per vertical foot of door height load applied to the outer edge of the door when standing open. Ensure there is no permanent deformation or impairment of any part of the door or cabinet body when the load is removed. Door opening must provide a flange that allows the door gasket to mate with a flat surface. Include a gasket made of cl osed-cell material resistant to UV, weathering, elevated temperatures, and permanent deformation that is permanently bonded to the inside of each door forming a weather -tight seal when the door is closed.

995-11.5 2 Latches: Provide all cabinets with a three -point draw roller latching

system for the doors. The latching system must have the following latching points.

995-11.5 3 Rails: Provide the cabinet with four cabinet rails that form a cage for

mounting miscellaneous wiring panels and various mounting brackets. Use ra ils constructed of either 0.1345 inch thick plated steel or 0.105 inch thick stainless steel that extend the length of the cabinet’s sides, starting from the bottom of the enclosure. Rails must be keyhole designed with slots 2 inches on center with a top o pening of 5/8 inch in diameter to allow the insertion of a 5/8 inch by 1 inch carriage bolt. Rails must be 1 -1/2 to 2 inches wide by 1/2 inch deep, drilled and tapped for 10 -32 screws or rack screws with EIA universal spacing. Do not use unistruts or other rail types.

995-11.5 4 Racks: The cabinet must include a standard 19 -inch EIA/TIA

equipment rack centered in the cabinet for mounting devices to be installed inside. Clearance in the rack between the rails must be 17 -3/4 inches.

995-11.5 5 Shelf: Provide a level, rollout internal shelf with a minimum work

area measuring 10 inches by 10 inches. The shelf must be capable of sustaining a constant 20 pound load and the shelf position must be adjustable.

995-11.5 6 Sunshield: Sunshields must be mounted with tamper resistant

hardware to standoffs that provide an air gap of at least one inch between the exterior cabinet walls and the sunshields. Sunshield standoffs located on the roof of the cabinet must be welded to the cabinet body. Construct su nshields of 0.125 inch thick 5052 -H32 aluminum sheet with corners that are rounded and smoothed for safety.

995-11.5 7 Ventilation: Provide ventilation through the use of a louvered vent at

the bottom of the door. Vent depth must not exceed 0.25 inch. Provide an air filter a minimum of 192 square inches and 1 inch thick behind the vent. The filter must be removable and held firmly in place so that all intake air is filtered. Provide a bottom trough and a spring -loaded upper clamp to hold the filter in place. The bottom trough must drain any accumulated moisture to the outside of the field cabinet. FY 2023-24 Return to Table of Contents ITS field cabinets must have dual thermostatically controlled fans, with one thermostat per fan, rated for continuous duty with a service life of at least three years. Mount thermostats on the inside top of the cabinet. Thermostats must be user adjustable to allow temperature settings ranging from a minimum of 70°F to a maximum of 140°F and capable of activating the fans within plus or minus 5 degrees of the set temperature. Use UL listed exhaust fans having a minimum air flow rating of 100 cubic feet per minute. Electric fan motors must have ball or roller bearings. Vent the exhaust air from openings in the roof of the field cabinet.

995-11.5 8 Electrical Requirements: All equipment must conform to applicable

UL, NEC, EIA, ASTM, ANSI, and IEEE requirements. SPD's must be accessible from the front of any panel used in the cabinet. Connect the SPD for the cabinet’s main AC power input on the load side of the cabinet circuit breaker. All wiring must be laced. All conductors must be stranded copper.

995-11.5 8.1 Service Panel Assembly: Provide a service panel assembly

to function as the entry point for AC power to the cabinet and the location for power filter ing, transient suppression and equipment grounding. Provide branch circuits, SPDs, and grounding as required for the load served by the cabinet, including ventilation fans, internal lights, electrical receptacles, etc.

995-11.5 8.2 Terminal Blocks: Terminate electrical inputs and outputs on

terminal blocks. The voltage and current rating of the terminal block must be greater than the voltage and current rating of the wire fastened to it. Terminate conductors on terminal blocks using insulated termina l lugs large enough to accommodate the conductor to be terminated. When two or more conductors are terminated on field wiring terminal block screws, use a terminal ring lug for termination of those conductors. Number all terminal block circuits and cover t he blocks with a clear insulating material to prevent inadvertent contact.

995-11.5 8.3 Ground BusBar: Fabricate ground busbars of copper or

aluminum alloy material compatible with copper wire and provide at least two positions where a No. 2 AWG strande d copper wire can be attached. Mount the ground busbar on the side of the cabinet wall adjacent to the service panel assembly for the connection of AC neutral wires and chassis ground wires. If more than one ground busbar is used in a cabinet, use a mi nimum of a No. 10 AWG copper wire to interconnect them. Connect the equipment rack to the ground busbar in the cabinet to maintain electrical continuity throughout the cabinet. Follow the PANI recommendations of USDA -RUS-1751 for connections to the gro und busbar. Producer (P) or electrical power and sources of stroke current connections shall be on the left end of the busbar. Absorbing (A) or grounding wires shall be connected immediately right of the P connections. Non -isolated (N) connections such as doors and vents shall be connected to the right of the A connections. Isolated (I) equipment grounds from equipment in the cabinet shall be connected on the right end of the busbar.

995-11.5 8.4 Power Distribution Assembly: Furnish a power distribution

assembly that fits in the EIA 19 -inch rack and provides for protection and distribution of 120 VAC power.

995-11.5 8.5 Interior Lighting: Provide one or more light fixtures that

illuminate the entire interior of the cabinet. All light fixtures must auto matically turn on when the main cabinet door is opened and turn off when the door is closed. FY 2023-24 Return to Table of Contents

995-11.5 9 Adapter Bracket: Provide an adapter bracket for pole mounted

cabinets that is slotted or otherwise designed to allow banding straps to be installed to avoid pole handholes.

995-11.6 Generator and Auxiliary Power Connection: Traffic signal controller

cabinets and ITS cabinets must include a generator and auxiliary power connection. Cabinets with generator and auxiliary power connection must include pr ovisions for the connection of an external power source, such as a portable generator, through a weatherproof, secure interface. This feature must allow authorized personnel to access, connect, and secure an external power source to the cabinet in order to restore power within five minutes of arrival time at the cabinet. A 10 AWG, 600V UL rated cable, fabricated with L5 -30 connectors , a minimum of 12 feet in length, must be supplied with cabinet assemblies for field connection between generator and cabinet. The generator access door and cable entrance must include means to prevent access to insects when cable is not present.

995-11.6 1 Automatic Transfer Switch: The transfer switch must meet UL 1008

and be rated equal to or higher than the design load of t he cabinet’s main breaker and the generator input twist -lock connector rating. The transfer switch must provide a means of switching between normal utility power and auxiliary backup generator power. Switching time cannot exceed 250 milliseconds. Ensure th at the transfer switch does not allow simultaneous active power from more than one source and does not allow generator backflow into normal utility AC circuits.

995-11.6 2 Generator Access Panel: Include a generator connection panel

consisting of, at a m inimum, the automatic transfer switch with a three -prong, 30 amp L5-30P twist-lock connector with recessed male contacts for generator hookup. Locate the access panel as close as possible to the main AC circuit breaker with the bottom of the access panel n o less than 24 inches above the bottom of the cabinet. Do not place the generator access panel on the main cabinet door or back door. Locate and label the transfer switch and twist lock connector on a panel easily accessible behind a weatherproof lockable exterior access door equipped with a tamper-resistant hinge. Label this access door “Generator Access Door”. Provide the access door with a No. 2 lock. The access door and cable entrance must include means to prevent access to insects when cable is not present. The generator hookup compartment must be recessed no more than six inches into the cabinet but be deep enough to allow closing and locking of the access door when the generator cable is connected. Avoid blocking access to any other equipment in th e cabinet.

995-11.7 Small Equipment Enclosures: Small equipment enclosures must be a

minimum NEMA 3R rated and smaller than 16 inches wide by 24 inches tall by 12 inches deep. The enclosure must be constructed of aluminum or non -metallic materials. Enclosures must include a safe means of removing power from the installed equipment for servicing and replacement, such as a switch, fuse, or breaker. Discrete markings, such as manufacturer name and model, are permitted on the outside of small enclosures. All fasteners less than 5/8 inch exposed to the elements must be Type 304 or 316 stainless steel. Construct aluminum enclosures of 5052 sheet aluminum alloy with a minimum thickness of 0.090 inch. Aluminum enclosures must have a uniform nat ural finish or be powder coat painted in accordance with AAMA -2603-02 specifications. All welds, bends, and seams must be neatly formed and free of cracks, blow holes and other irregularities. All inside and FY 2023-24 Return to Table of Contents outside edges of the enclosure must be free of b urrs, rivet holes, visible scratches, and gouges and have a smooth, uniform finish. Non-metallic enclosures must be UL 508A listed, be rated for outdoor use, and resist chemicals, corrosion, and ultraviolet rays. Enclosure doors must include a vandal re sistant hinge and be secured with a locking latch or a minimum of two quick -release Type 304 or 316 stainless steel latches with padlock hasps. Removal of the hinge or hinge pin must not be possible while the enclosure is closed. Provide two sets of keys w ith each lock. Enclosures may be vented. Holes larger than 1/8 inch must be covered by heavy duty screen. Post mounted enclosures must be supplied with mounting hardware for attaching the enclosure to a 4 -1/2 inch (OD) aluminum post.

995-12 Traffic Con troller Accessories.

995-12.1 General: Traffic controller accessories must meet the industry standards in

Table 995-8. Table 995-8 Traffic Controller Accessory Standards Device Standard Conflict Monitor NEMA TS1 -1989, Section 6 Malfunction Management Unit NEMA TS2 -2021, Section 4 Power Supply NEMA TS2 -2021, Section 5.3.5 Load Switch NEMA TS2 -2021, Section 6.2 Flasher NEMA TS2 -2021, Section 6.3 Bus Interface Unit NEMA TS2 -2021, Section 8 Model 206L Power Supply Unit CALTRANS TEES, 2020, 3.4 Model 208 Monitor Unit CALTRANS TEES, 2020, 3.5 Model 210 Monitor Unit CALTRANS TEES, 2020, 3.6 Power Distribution Assembly CALTRANS TEES, 2020, 6.4.3 Input File CALTRANS TEES, 2020, 6.4.4

995-12.2 Time Switch: Ensure the time switch is a 24-hour timer which controls the

daily switching operation of circuit contacts at preselected times. Type 1 time switches must contain a single circuit contact and a solid state timer with at least 48 programmable on and off times. Type 2 time switches must contain two circuit contacts and a solid state timer with at least three independently programmable on and off times per circuit. Type 3 time switches must contain three circuit contacts and a solid state timer with at least three independently pro grammable on and off times per circuit.

995-12.2 1 Timing: Solid state timing must be accomplished by digital circuits

utilizing the power line 60 Hz frequency as the normal timing reference or GPS Time Sync. Time-of-day must be settable and displayed in maximum increments of one minute.

995-12.2 2 Programming: Programming for selection of contact openings or

closures must be provided in maximum increments of one minute for Types 1 through 3 time switches. FY 2023-24 Return to Table of Contents A day omit device or circuit must be provide d with Types 1 through 3 time switches to omit the programmed switching operation for any combination of up to three days of the week. A positive means of indicating the day of the week must be provided with Types 1 through 3 time switches.

995-12.2 3 Re serve Power: Type 1, Type 2, and Type 3 solid state time switches

must be provided with a battery backup circuit which maintains time during a power failure of up to 10 hours. The timing accuracy of battery backup circuits during a power failure must be pl us or minus 0.5 seconds.

995-12.2 4 Output Circuit Contacts: Each output circuit contact must be rated

for a 3A, 115 VAC load. The output circuit contact must have 115 VAC present when the timer turns the circuit on.

995-12.2 5 Time Switch Housing: Time switches must be enclosed in durable

sheet aluminum or approved alternate housing. A terminal strip or screws must be provided with the time switch for AC power and all output circuit contacts.

995-13 System Control Equipment .

995-13.1 Adaptive Signal C ontrol System : Adaptive signal control systems external to

the traffic controller place detector calls to the traffic signal controller to adjust signalization timing based on measured traffic conditions independently of the traffic signal controller’s preconfigured timings. The system must interface with the traffic controller using either the Synchronous Data Link Control (SDLC) Port 1 interface and protocol or 24 VDC inputs/outputs available in the traffic controller cabinet. Dynamically modifying cont roller configuration settings through serial communications is not allowed. The system must include a user interface that allows the configuration of subcomponents, such as detectors and cameras, and includes remote monitoring and reporting. The system must include the option of incorporating existing vehicle detection in addition to the primary detection used by the adaptive signal control system. The system must not affect the normal operation of the traffic signal controller upon any failure of communication, detection, or system component. Ensure adaptive signal control system hardware is permanently marked with manufacturer name or trademark as well as part number and serial number. Ensure that the markings are visible after installation.

995-13.2 Environmental Requirements: Ensure system control equipment performs all

required functions during and after being subjected to the transients, temperature, voltage, humidity, vibration, and shock tests described in NEMA TS2 -2021, 2.2.7, 2.2.8, a nd 2.2.9.

995-14 Internally Illuminated Signs.

995-14.1 General: Marking must be accomplished by permanently affixing an indelible

label, identification plate, dot peen type stamp, casting, or metal -marking. Signs must not exceed 9 feet in length or be la rger than 18.0 square feet or less in area, and must not weigh more than 144 pounds Internally illuminated sign assemblies must be listed to the requirements of UL48 listed. Light emitting diode (LED) retrofit kits must be listed on the APL.

995-14.2 Housing: The sign housing must be constructed of continuous 5052 or 6063 -T5

aluminum. All housing, corners, and door seams must be continuously welded. All exterior surfaces of the assembly must be powder -coat painted in ac cordance with Military Standard MIL-PRF-24712A or AAMA -2603-02. Finish must meet the requirements of ASTM D3359, FY 2023-24 Return to Table of Contents ASTM D3363, and ASTM D522. Sign housings with any interior airspace must consist of a box type enclosure and separate hinged door assembly. The sign housing must include provisions to prevent water from entering the sign housing. Drain holes in the sign larger than 0.125 inch must be covered by a screen. Signs must have removable sign faces. The sign face must be secured by a method that holds the sign face securely in place. Slide -in grooves are allowed to secure the sign face if the sign is edge lit. The sign face must be a translucent lens constructed of 0.125 -inch thick high impact strength polycarbonate or acrylic meeting UL48. Backgroun d must be translucent retroreflective sheeting coated with a transparent, pressure -sensitive adhesive film. Color must meet the criteria as detailed in Section 994. Retroreflective sheeting must meet the requirements of Section 994 and be listed on the APL . If a door opens upward, it must have a bracket on each side to secure the door in the open position during maintenance. Doors must be permanently and continuously sealed with a foam gasket listed to UL157 to prevent the entry of water into the sign hou sing. Each door must be secured from opening by stainless steel rotary action draw latches as follows: Signs of 5 feet up to 7 feet in length must have a minimum of three latches for each sign door. Signs over 7 feet up to 9 feet in length must have a minimum of four latches for each door. The rotary action draw latch must be captive and will not become detached or allow the door to open when the sign housing is torqued or twisted The sign assembly must be designed and constructed to withstand 15 0 mph wind loads meeting the requirements of the Department’s Structures Manual .

995-14.3 Luminance: The sign face must be illuminated evenly across the entire surface.

Contrast ratio between the background and legend must be established by the lowest and the highest color retroreflective measurement and shall be at least 4:1. Measure the retroreflectivity in accordance with ASTM D4956.

995-14.3 1 Background Luminance: Minimum luminance for the legend portion

of the street sign face must be no less than 87.5 lux. The luminance must be determined by averaging a minimum of seven readings. Four of the readings must be taken near the midpoint of a line that would span between the outside corners of the background and the outside corners of the legend. One rea ding must be taken near the midpoint of a line that would connect the top corner readings. One reading must be taken near the midpoint of a line that would connect the bottom corner readings. One reading must be taken near the vertical and horizontal midpo int of the sign.

995-14.3 2 Border and Lettering Luminance: Minimum luminance of the

legend and border must be 350 lux. The luminance must be determined by averaging a minimum of 17 readings. There must be a minimum of one reading from each letter in the legend. Readings within the legend must alternate between th e top, middle and bottom portion of each letter. Readings within top and bottom of the border must be perpendicular to the top and bottom readings in the background. Readings within the sides of the border must be taken parallel to the readings taken withi n each letter.

995-14.4 Mechanical Requirements: All assembly hardware, including nuts, bolts,

external screws and locking washers less than 5/8 -inch in diameter must be Type 304 or 316 passivated stainless steel. All assembly hardware greater than or equ al to 5/8-inch in diameter FY 2023-24 Return to Table of Contents must be galvanized. Bolts, studs, and threaded rod must meet ASTM A307. Structural bolts must meet ASTM F3125, Grade A325.

995-14.5 Electrical Requirements: Electrical wiring must meet NEC requirements for

the light source provi ded. All wiring must be copper wire. All internal electrical wiring must be tight and secure. The sign must include an accessible electrical power service entrance compartment (internal or external) for connection of field wiring. External compartments mus t be weather -tight. All power supplies and ballasts must be Federal Communications Commission (FCC) approved. Electrical connections must be protected against corrosion. All signs must have provisions for an integrated photocell.

995-14.6 Environmental Requirements: The illuminated sign assembly must operate

properly during and after being subjected to the environmental testing procedures described in NEMA TS 4-2016, Section 2.

995-14.7 Warranty: Internally illuminated signs must have a manufacturer’s w arranty

covering defects for five years from the date of final acceptance by the Engineer in accordance with 5-11 and Section 608.

995-15 Highlighted Signs.

995-15.1 General: Highlighted signs must meet the design and functional requirements

specified in this Section and Section 2A of the MUTCD. Use LEDs to highlight the sign’s shape, color, or message. Stop, Do Not Enter, Yield, and Wrong Way signs that are highlighted with LEDs must use red LEDs. All other signs must use LEDs which resemble the color o f the sign background color.

995-15.2 Performance Requirements: Highlighted signs are capable of automatically

dimming to reduce brightness of the LEDs at nighttime. Highlighted signs that rely upon solar power or batteries must be capable of at least 10 days of continuous operation without the need for charging.

995-15.3 Cabinets: If the highlighted sign includes a cabinet, the cabinet must be

currently listed on the APL or meet the requirements of Section 676.

995-15.4 Mechanical Requirements: All assembly hardware, including nuts, bolts,

external screws and locking washers less than 5/8 -inch in diameter must be Type 304 or 316 passivated stainless steel. All assembly hardware greater than or equal to 5/8 -inch in diameter must be g alvanized. Bolts, studs, and threaded rod shall meet ASTM A307. Structural bolts must meet ASTM F3125, Grade A325.

995-15.5 Electrical Requirements: Electrical wiring must meet NEC requirements for

the light source provided. All wiring must be copper wire . All internal electrical wiring must be tight and secure. The sign must include an accessible electrical power service entrance compartment (internal or external) for connection of field wiring. External compartments must be weather -tight. All power suppl ies and ballasts must be Federal Communications Commission (FCC) approved. Electrical connections must be protected against corrosion. All signs must have provisions for an integrated photocell.

995-15.6 Environmental Requirements: The highlighted must operate properly during

and after being subjected to the environmental testing procedures described in NEMA TS 4-2016, Section 2. FY 2023-24 Return to Table of Contents

995-15.7 Warranty: Highlighted signs must have a manufacturer’s warranty covering

defects for three years from the date of fi nal acceptance by the Engineer in accordance with 5 -11 and Section 608.

995-16 Dynamic Message Signs.

995-16.1 General: Dynamic message signs (DMS) must meet the requirements of

NEMA TS4-2016. DMS are classified by the type of sign display and the type of mechanical construction. Use only equipment and components that meet the requirements of these minimum specifications and are listed on the APL. DMS LED retrofit kits must be listed on the APL.

995-16.1 1 Front Access DMS: Front access signs must meet the requirements of

NEMA TS 4-2016, Section 3.2.6.

995-16.1 2 Walk -In DMS: Walk-in signs must meet the requirements of NEMA

TS 4-2016, Section 3.2.8.

995-16.1 3 Embedded DMS: Embedded DMSs must be mounted to ground

traffic signs, overhead traffic signs, or overhead cantilever traffic signs.

995-16.2 Sign Housing Requirements for all DMS: The external skin of the sign

housing must be constructed of aluminum alloy 5052 H32. The interior structure must be constructed of alumi num. Internal frame connections or external skin attachments must not solely rely upon adhesive bonding or rivets. The sign enclosure must meet the requirements of NEMA TS 4-2016, Section 3.1.1. All drain holes and other openings in the sign housing must be screened to prevent the entrance of insects and small animals. The sign housing must comply with the fatigue resistance requirements of the AASHTO LRFD Specifications for Structural Supports for Highway Signs, Luminaires, and Traffic Signals. Design and construct the DMS unit for continuous usage of at least 20 years. The sign assembly must be designed in accordance with the Department’s Structures Manual, including a wind load of 150 miles per hour. The top of the housing shall include multiple ste el lifting eyebolts or equivalent hoisting points. Hoist points are positioned such that the sign remains level when lifted. The hoist points and sign frame allow the sign to be shipped, handled, and installed without damage. All assembly hardware, inclu ding nuts, bolts, screws, and locking washers less than 5/8-inch in diameter, must be Type 304 or 316 passivated stainless steel and meet the requirements of ASTM F593 and ASTM F594. All assembly hardware greater than or equal to 5/8-inch in diameter must be galvanized and meet the requirements of ASTM A307. All exterior, excluding the sign face, and all interior housing surfaces must be a natural aluminum mill finish. Signs must be fabricated, welded, and inspected in accordance with the requirements of the current ANSI/AWS Structural Welding Code -Aluminum. The sign housing must meet the requirements of NEMA TS 4-2016, Section 3.2.9 for convenience outlets.

995-16.2 1 Sign Housing for Walk -In DMS: Exterior seams and joints, except

the finish coated fa ce pieces, must be continuously welded using an inert gas welding method. Limit the number of seams on the top of the housing to a maximum of three. Stitch weld the exterior housing panel material to the internal structural members to form a unitized struc ture. The exterior mounting assemblies must be fabricated from aluminum alloy 6061-T6 extrusions a minimum of 0.1875 inch thick. Include a minimum of three 6061 -T6 structural aluminum Z members on the rear of the sign housing in accordance with the Stan dard Plans. The structural aluminum Z members must run parallel to the top and bottom of the sign FY 2023-24 Return to Table of Contents housing and are each a single piece of material that spans the full length of the sign. The structural aluminum Z members must be attached to the internal fra mework of the sign. The hoist points must be attached directly to structural frame members by the sign manufacturer. Housing access must be provided through an access door that meets the requirements of NEMA TS 4-2016, Section 3.2.8.1. The access doo r must include a keyed tumbler lock and a door handle with a hasp for a padlock. The door must include a closed -cell neoprene gasket and stainless steel hinges. The sign housing must meet the requirements of NEMA TS 4-2016, Section 3.2.8.3 for service l ighting. If incandescent lamps are provided, they must be fully enclosed in heavy -duty shatterproof, protective fixtures. The incandescent fixtures must include aluminum housing and base, a porcelain socket, and clear glass inner cover. All removable components must be secured with set screws. If fluorescent lamps are provided, they must be fitted with shatter proof protective guards. The sign housing must include emergency lighting that automatically illuminates the interior in the event of a power outa ge. Emergency lighting must be capable of operation without power for at least 90 minutes.

995-16.2 1.1 Walk -In DMS Work Area: The walk -in DMS must have a

work area that meets the requirements of NEMA TS 4-2016, Section 3.2.8.2. All edges of the walkway are finished to eliminate sharp edges or protrusions.

995-16.2 2 Sign Housing for Front Access and Embedded DMS: Front access

and embedded signs must meet the requirements of NEMA TS 4-2016, Section 3.2.5 and Section 3.2.6. Accessing the sign housing mu st not require specialized tools or excessive force to open.

995-16.2 3 Housing Face Requirements for all DMS: The sign face must meet

the requirements of NEMA TS 4-2016, Section 3.1.3. All sign face surfaces are finished with a matte black coating syste m that meets or exceeds American Architectural Manufacturers Association (AAMA) Specification No. 2605. Submit certification that the sign face parts are coated with the prescribed thickness. Except for embedded DMS, the sign face must include a contrast b order that meets the requirements of NEMA TS 4-2016, Section 3.1.6.

995-16.2 3.1 Housing Face for Walk -In DMS: No exposed fasteners are

allowed on the housing face. The display modules shall be easily and rapidly removed from within the sign without dis turbing adjacent display modules.

995-16.2 3.2 Housing Face for Front Access and Embedded DMS: Any

exposed fasteners on the housing face must be the same color and finish as the housing face. Only captive fasteners may be used on the housing face.

995-16.2 3.3 External Fascia Panels: If the sign includes external fascia

panels, they must be constructed using aluminum. Each fascia panel is finished with a matte black coating system that meets or exceeds AAMA Specification No. 2605.

995-16.2 3.4 Le ns Panel Assembly: If the sign includes lens panel

assemblies, they must be modular in design, removable, and interchangeable without misalignment of the lens panel and the LED pixels. The lens panel assembly must consist of an environmental shielding laye r coating to protect and seal the LED and internal electronics. The coating must be a minimum 90% UV opaque. Lens panels must have a matte black coating that meets or exceeds AAMA Specification No. 2605. Lens panels must include a mask constructed of 0.080 inch minimum thickness aluminum. The mask must be perforated to provide an aperture FY 2023-24 Return to Table of Contents for each pixel on the display module. The apertures must not block the LED output at the required viewing angle.

995-16.2 4 Sign Housing Ventilation System: The ventilat ion systems for walk -

in, front-access, and embedded DMS must meet the requirements of NEMA TS 4-2016, Section 3.1.2. Air drawn into the sign is filtered upon entry. The ventilation system must be automatically tested once each day and is able to be test ed on command from remote and local control access locations. The sign must include a sensor or a sensor assembly to monitor airflow volume to predict the need for a filter change. The ventilation system fans must possess a 100,000 hour, L10 life rating.

995-16.2 4.1 Ventilation System for Walk -In DMS: The sign includes a

fail-safe ventilation subsystem that includes a snap disk thermostat that is independent of the sign controller. The thermostat is preset at 130°F. If the sign housing’s interior reache s 130°F, the thermostat must override the normal ventilation system, bypassing the sign controller and turning on all fans. The fans must remain on until the internal sign housing temperature falls to 115°F.

995-16.2 5 Sign Housing Temperature Sensor: The sign controller must

continuously measure and monitor the temperature sensors. The sign must blank when a critical temperature is exceeded and reports this event when polled. Ensure that remote and local computers can read all temperature measurements fr om the sign controller.

995-16.2 6 Sign Housing Humidity Sensor: Humidity sensors must detect from

0 to 100% relative humidity in 1% or smaller increments. Sensors must operate and survive in 0 to 100% relative humidity, and have an accuracy that is bett er than plus or minus 5% relative humidity. Use of a humidistat is not acceptable.

995-16.2 7 Sign Housing Photosensors: The sign must meet the requirements of

NEMA TS 4-2016, Section 9.1.3. The sensors must provide accurate ambient light condition information to the sign controller for automatic light intensity adjustment. The automatic adjustment of the LED driving waveform duty cycle must occur in small enough increments that the sign’s brightness changes smoothly, with no perceivable brightness change between adjacent levels. Stray headlights shining on the photoelectric sensor at night must not cause LED brightness changes. The brightness and color of each pixel must be uniform over the sign’s entire face within a 30 degree viewing angle in all lig hting conditions.

995-16.3 Display Modules: Display modules manufactured by one source and fully

interchangeable throughout the manufacturer’s sign system shall be provided. The removal or replacement of a complete display module or LED board must be acco mplished without the use of special tools. Display modules must contain solid -state electronics needed to control pixel data and read pixel status. The sign must have a full matrix display area as defined in NEMA TS 4-2016, Section 1.6.

995-16.3 1 LE D and Pixel Specifications: LED lamps must have a minimum

viewing angle of 30 degrees. All pixels in all signs in a project, including operational support supplies, must have equal color and on -axis intensity. The sign display must meet the luminance requirements of NEMA TS 4-2016, Section 5.4, for light emitting signs connected at full power. Amber displays must produce an overall luminous intensity of at least 9200 candelas per square FY 2023-24 Return to Table of Contents meter when operating at 100% intensity. Provide the LED brightness a nd color bins that are used in each pixel to the Engineer for approval. The LED manufacturer must demonstrate testing and binning according to the International Commission on Illumination ( CIE) 127-1997 Standard. All LEDs must operate within the LED manufacturer’s recommendations for typical forward voltage, peak pulsed forward current, and other ratings. Component ratings must not be exceeded under any operating condition. Ensure that the operational status of each pixel in the sign can be automatically tested once a day. Ensure that the pixel status test determines the functional status of the pixel as defined by the pixel Failure Status object in National Transportation Communications for ITS Protocol (NTCIP) 1203 v02.39 and does not affect the d isplayed message for more than half a second. LEDs must be individually mounted directly on a printed circuit board (PCB).

995-16.3 2 Optical, Electrical, and Mechanical Specifications for Display

Modules: The display modules must be rectangular and h ave an identical vertical and horizontal pitch between adjacent pixels. The separation between the last column of one display module and the first column of the next module must be equal to the horizontal distance between the columns of a single display mo dule. Full matrix DMS must have the ability to display messages with 20mm pixel pitch (resolution). The LED circuit board must be a NEMA FR4 -rated, single 0.062 inch, black PCB. No PCB shall have more than two PCB jumper wires present. All PCBs shall be finished with a solder mask and a component -identifying silk screen. PCBs with conformal coating meeting the material requirements of IPC-CC-830 or MIL-I-46058C Military Standard, United States Department of Defense (USDOD) must be provided. Any devices used to secure LEDs must not block air flow to the LED leads or block the LED light output at the required viewing angle. All components on the LED side of a PCB must be black. There must be a minimum of two power supplies that are wired in a parallel configuration for redundancy. If one, or 25% of the supplies in a group, whichever is greater, completely fails, the sign shall still be supplied with enough power to run 40% of all pixels at a 100% duty cycle with an ambient operating temperature of 1 65°F. The sign controller must continuously measure and monitor all LED module power supply voltages and provide the voltage readings to the TMC or a laptop computer on command. LEDs must be protected from external environmental conditions, including moisture, snow, ice, wind, dust, dirt, and UV rays. Epoxy must not be used to encapsulate the LEDs.

995-16.3 3 Display Area for Walk -In DMS: The display area must be capable of

displaying three lines with a minimum of 15 characters per line, using an 1 8 inch font that meets the height to width ratio and character spacing in the MUTCD, Section 2L.04, paragraphs 05, 06, and 08.

995-16.4 Characters, Fonts, and Color: The signs must be capable of displaying

American Standard Code for Information Interchang e (ASCII) characters 32 through 126, including all uppercase and lowercase letters, and digits 0 through 9, at any location in the message line. Submit a list of the character fonts to the Engineer for approval. FY 2023-24 Return to Table of Contents All signs must be loaded (as a factory def ault) with a font in accordance with or that resembles the standard font set described in NEMA TS 4-2016, Section 5.6. For signs with a pixel pitch of 35 mm or less, the sign must be loaded (as a factory default) with a font set that resembles the FHWA Ser ies E2000 standard font. DMS fonts must have character dimensions that meet the MUTCD, Section 2L.04, paragraph 08. Full-color signs must display the colors prescribed in the MUTCD, Section 1A.12.

995-16.5 Main Power Supply and Energy Distribution Specifications: A nominal

single-phase power line voltage of 120/240 VAC must be provided. The DMS must meet the requirements of NEMA TS 4-2016, Section 10.2. All 120 VAC wiring must have an overall nonmetallic jacket or be placed in metal conduit, pull boxes, raceways, or control cabinets and installed as required by the NEC. Do not use the sign housing as a wiring raceway or control cabinet. Surge protective devices (SPD) must be installed or incorporated in the sign system by the manufac turer to guard against lightning, transient voltage surges, and induced current. SPDs must meet or exceed the requirements of Section 996. SPDs must protect all electric power and data communication connections .

995-16.6 Uninterruptible Power Supply (UPS) : Walk-in DMS must include a UPS that

can be installed within the sign housing or within the ground mounted control cabinet. Front access and embedded signs must include a UPS that can be installed within the ground mounted control cabinet. The UPS system must be capable of displaying the current messages on a sign when a power outage occurs. Signs with an UPS must be able to operate on battery power and display text messages for a minimum of two hours. The system must use sealed absorbed glass mat (AGM) ba tteries.

995-16.7 Operational Support Supplies: Furnish the operational support supplies listed

in Table 995-8. Promptly replace any of the supplies used to perform a warranty repair. For every group of 10 or fewer DMSs provided or required, provide one set of supplies as follows: Table 995-9 Operational Support Supplies 1 each Sign controller and I/O board(s) 1 per DMS LED display modules 1 each Display power supply 1 each Uninterruptible power supply 2 each Surge suppression sets 1 each Fan assembly

995-16.8 Components: All components must meet the requirements of NEMA TS 4-

2016, Section 8.

995-16.8 1 Mechanical Components: All fasteners, including bolts, nuts, and

washers less than 5/8 inch in diameter, must be passivated stainless steel, Type 316 or 304 and meet the requirements of ASTM F593 and ASTM F594 for corrosion resistance. All bolts and nuts 5/8 inch and over in di ameter must be galvanized and meet the requirements of ASTM A307. Self -tapping screws must not be used. All parts must be fabricated from corrosion FY 2023-24 Return to Table of Contents resistant materials, such as plastic, stainless steel, aluminum, or brass. Construction materials must be re sistant to fungus growth and moisture deterioration. All dissimilar metals must be separated with an inert, dielectric material.

995-16.8 2 Sign Controller: The sign controller must monitor the sign in

accordance with NEMA TS 4-2016, Section 9. The sign must monitor the status of any photocells, LED power supplies, humidity, and airflow sensors. Sign controllers must use fiber optic cables for data connections between the sign housing and ground -level cabinet. The sign controller must meet the requirem ents of NEMA TS 4-2016, Sections 8.3 and 8.4. The sign controller must be capable of displaying a self -updating time and date message on the sign. Sign controllers within ground cabinets must be rack -mountable, designed for a standard Electronic Industries Alliance (EIA) EIA -310 19 inch rack, and includes a keypad and display.

995-16.8 3 Display System Hardware: The sign must utilize a system data

interface circuit for communications between the sign controller and display modules. Except for embedded DMS , the following components must reside inside the sign housing: sign controller (master or slave), display system interface circuits, display modules, power supplies, local and remote control switches, LED indicators, EIA -232 null modem cables (minimum of four feet long for connecting laptop computer to sign controller), and surge protective devices.

995-16.8 4 Control Cabinet: A control cabinet that meets the requirements of

Section 676 shall be provided. The minimum height of the cabinet must be 46 inches. A ground control cabinet that includes the following assemblies and components: power indicator, surge suppression on b oth sides of all electronics, communication interface devices, connection for a laptop computer for local control and programming, a four foot long cable to connect laptop computers, a workspace for a laptop computer, and duplex outlets shall be provided. All telephone, data, control, power, and confirmation connections between the sign and ground control box, and for any required wiring harnesses and connectors shall be provided.

995-16.8 5 Sign Controller Communication Interfaces: The sign controller

must have communication interfaces in accordance with NEMA TS 4-2016, Section 8.3.2. Ensure that EIA -232 serial interfaces support the following: Table 995-10 Communication Interface Requirements Data Bits 7 or 8 bits Parity Even, Odd, or None Number Stop Bits 1 or 2 bit The sign controller must have a 10/100 Base TX 8P8C port or a 100 Base FX port Ethernet interface. The TMC or a laptop computer must be able to remotely reset the sign controller.

995-16.9 Message and Status Monitoring: The DMS must provide two modes of

operation: (1) remote operation, where the TMC commands and controls the sign and determines the appropriate message or test pattern; and (2) local operation, where the sign controller or a FY 2023-24 Return to Table of Contents laptop computer commands and co ntrols the sign and determines the appropriate message or test pattern. The sign must perform the following functions:

995-16.10 TMC Communication Specification for all DMS: The sign c ontroller must

be addressable by the TMC through the Ethernet communications network using software that complies with the NTCIP 1101 base standard (formerly the NEMA TS 3.2-1996 Standard), including all amendments as published at the time of Contract lett ing, the NTCIP Simple Transportation Management Framework, and conforms to Compliance Level 1. The software must implement all mandatory objects in the supplemental requirement SR -700-4.1.1, Dynamic Message Sign NTCIP Requirements, as published on the Depa rtment’s State Traffic Engineering and Operations Office web site at the following URL: https://www.fdot.gov/traffic/Traf - Sys/Product -Specifications.shtm . The sign must comply with the NTCIP 1102v01.15, 2101v01.19 , 2201v01.15 , 2202v01.05, and 2301v02.19 Standards. The sign must comply with NTCIP 1103v02 .17, Section 3. Ensure that the controller’s internal time clock can be configured to synchronize to a time server using the network time protocol (NTP). NTP synchronization frequency must be user-configurable and permit polling intervals from once per minute to once per week in one - minute increments. The controller must allow the user to define the NTP server by IP address.

995-16.11 Sign Control Software: The sign must be provided with computer software

from its manufacturer that allows an operator to program, operate, exercise, diagnose, and read current status of all sign features and functions using a laptop computer. The sign control software must provide a graphical representation that visibly depicts the sign face and the current ON/OFF state of all pixels as well as allows messages to be created and displayed on the si gn.

995-16.12 Environmental Requirements: The DMS must meet the requirements of

NEMA TS 4-2016, Section 2.

995-16.13 Warranty: The DMS system and equipment must have a manufacturer’s

warranty covering defects for a minimum of five years from the date of final acceptance by the Engineer in accordance with 5 -11 and Section 608. FY 2023-24 Return to Table of Contents

995-17 Electronic Display Sign.

995-17.1 General: All electronic display signs (EDS) must meet the physical display and

operational requirements for warning, guide , or regulatory signs described in the MUTCD and the SHS. The term EDS refers to a general category of electronically enhanced signs that includes electronic road signs (ERS) with warning, regulatory, or guide legends; electronic speed feedback signs (ESFS) ; and blank -out signs (BOS) . EDS must allow attachment to vertical and horizontal support structures as part of a single or double sign post configuration. Bolts must be used for load bearing attachments.

995-17.2 Requirements Common to all EDS: All EDS must be designed to withstand

the loads defined in the Department’s Structures Manual without deformation or damage. EDS, other than BOS, mus t provide an option to include flashing beacons. Printed circuit boards must be protected with conformal coating. Housings that contain electronics must be constructed of aluminum alloy sheet a minimum of .090 inch thick. Welding used during the constructi on of EDS must be accordance with Section 965. Signs included on the APL will be designated with a size and type category and may be listed with restrictions, such as “requires District Traffic Operations Engineer approval”, “school zones only”, or “low speed only”.

995-17.2 1 Electronic Display Sign with Static Sign Panel: EDS that include

both a static sign panel and dynamic display may be a modular system comprised of a static sign panel with an attached electronic display. Static sign panels must meet the Department’s requirements for highway signing found in this Sectio n.

995-17.2 2 Electronic Display: Electronic displays must appear completely blank

(dark) when not energized. No phantom characters or graphics will be allowed under any ambient light conditions.

995-17.2 3 Housing: The housing must protect and seal th e dynamic display and

other internal electronics. Any polycarbonate material used on the sign face must be a minimum 90% UV opaque and resistant to fading and yellowing. The housing must be NEMA 3R rated and prevent unauthorized access. The housing must include weather tight cable entry or connection points for any required power or data connections.

995-17.2 4 Cabinet: Any equipment cabinets provided with the EDS must be

listed on the APL.

995-17.2 5 Optical, Electrical, and Mechanical Specifications f or Display

Modules: All LEDs must operate within the LED manufacturer’s recommendations for typical forward voltage, peak pulsed forward current, and other ratings. Component ratings must not be exceeded under any operating conditions.

995-17.2 6 LED and Pixel Specifications: All LEDs used in the display must

have a wavelength output that varies no more than plus or minus two nanometers from the specified peak wavelength. The display and LED pixel cone of vision must be a minimum of 15 degrees (centered a round the optical axis, or zero point, of the pixel). The cone perimeter is defined by the point where light output intensity is 50% of the intensity measured at the zero point of the pixel. For all colors other than white, the sign display must produce an overall luminous intensity of at least 9200 candelas per square meter when operating at 100% intensity. For white or full color matrix displays , the sign display must produce white with an overall luminous intensity of at least 12,400 candelas per square meter when operating at 100% intensity. Submit documentation that indicates the LED brightness and color bins that are used in FY 2023-24 Return to Table of Contents each pixel. LEDs must be individually mounted on a PCB and must be able to be removed and replaced using conventional electronic repair methods. Encapsulated LEDs within a pixel are not allowed. ERS LEDs must be arranged and powered in a manner that maintains a discernible message in the event of a single LED or pixel failure.

995-17.2 7 Character Size, Fonts, and Graphics: The minimum numeral and

letter size of the electronic display must meet or exceed the numeral and letter sizes prescribed in the MUTCD and the SHS. Fonts and graphics must mimic the characteristics of fonts and graphics defined in the MUTCD and SHS.

995-17.2 8 Electronic Display Controller: Any electronic display controller

required for the operation of the EDS shall be housed within the sign and be equipped with a security lockout feature to prevent unauthorized use. The controller shall have the capability to provide a stipulated default message upon loss of controller function. A blank message is acceptable.

995-17.2 9 Communication: The electronic display controller shall possess a

minimum of one serial , Ethernet , USB, or Bluetooth interface with the ability to connect to a laptop computer. The serial data interface shall support multiple data rates from 9 ,600 bps to 115,200 bps.

995-17.2 10 Configuration and Management: Ensure that the sign is provided

with computer software from its manufacturer that allows a user to program, operate, exercise, diagnose, and read current status of all sign features and functions using a laptop. Configuration and management functions must be password protected.

995-17.2 11 Operation and Performance: Ensure that the EDS is visible from a

distance of at least 1/4 mile and legible from a distance of 400 feet for applications on roads with a speed limit less than 45 mph and visible from a distance of at least 1/2 mile and legible f rom a distance of at least 650 feet for roads with speed limits 45 mph or higher. In both cases, the requirements must be met under both day and night conditions. The electronic display shall automatically adjust brightness for day and night operation. The EDS must be equipped with a light sensor that accurately measures ambient light level conditions at the sign location. The EDS must automatically adjust LED intensity based on the ambient light conditions in small enough increments that the sign’s brig htness changes smoothly, with no perceivable brightness change between adjacent levels. Stray headlights shining on the photoelectric sensor at night must not cause LED brightness changes. Flashing messages must not exceed 150 flashes per minute.

995-17.2 12 Mechanical Specifications: EDS mounting provisions and mounting

hardware must accommodate sign weight and wind loading requirements of the Department’s Structures Manual. BOS must be designed to accommodate overhead attachment using a tri -stud signal hanger. Multiple tri -stud attachment points may be used to meet weight and wind loading requirements. Tri -stud attachment points must be weather -tight and structurally reinforced.

995-17.2 13 Fasteners and Attachment Hardware: Ensure that all assembly

hardware, including nuts, bolts, external screws and locking washers less than 5/8 inch in diameter, are Type 304 or 316 passivated stainless steel. Stainless steel bolts, screws and studs must meet ASTM F593. Nuts must meet ASTM F594. All assembly hardwa re greater than or equal to 5/8 inch in diameter must be galvanized. Bolts, studs, and threaded rod must meet ASTM A307. Structural bolts must meet ASTM F3125, Grade A325. FY 2023-24 Return to Table of Contents

995-17.2 14 Electrical Specifications: All power inputs must be fuse and reverse

polarity protected. All EDS must be able to recover from power loss and return to their operational state without user intervention.

995-17.2 14.1 Solar Power: Solar powered signs must be capable of fully

autonomous operation 24 hours per day, 365 days per year. Batteries must be a standard 12 volt deep cycle battery suitable for the application and operating environment. Flooded lead -acid batteries are prohibited. Batteries must be capable of providing 10 days of continuous operation without sunlight. Charging system must use a solar charge controller with temperature compensation. The system must provide for automatic battery charging, overcharge protection, and have indications that display current status and faults.

995-17.2 14.2 AC Power: Fluctuations in line voltage must have no

visible effect on the appearance of the display.

995-17.2 15 Environmental Requirements: The EDS assembly must operate

properly during and after being subjected to the environmental testing procedures described in NEMA TS 4-2016, Section 2. Fog, frost, or condensation must not form within the dynamic portion of the sign. Electronics must meet FCC Title 47, Subpart B Section 15.

995-17.2 16 Warranty: The EDS systems and equipment furnished must have a

manufactur er’s warranty covering defects in assembly, fabrication, and materials for a minimum of three years.

995-17.3 Electronic Warning Signs : EWS must include a secure wireless connection to

communicate with a nearby laptop.

995-17.3 1 EWS Foreground/Backgrou nd Colors: If a black background is

used on the changeable electronic display, the color used for the legend must match the background color that would be used on a standard sign for that type of legend, in accordance with the MUTCD. Black EWS display back grounds must be flat black ( FED-STD-595-37038) with a reflectance value not exceeding 25%. EWS must utilize yellow LEDs with a peak wavelength of either 585 or 590 nanometers. EWS must have a minimum one -inch contrasting margin around illuminated character s or graphics.

995-17.3 2 Speed Detector: EWS that detect or display the speed of approaching

vehicles must be programmable for the posted speed limit and the maximum speed to display. When the detected speed exceeds the maximum programmed speed (high sp eed cut-off) threshold, the display must automatically blank. Alternately, the display may show an alert message such as “SLOW DOWN” when speeds above the maximum programmed speed threshold are detected. The EWS must detect when the posted speed is exce eded by one mph and then activate the alert. When the alert is activated, the display shall be able to flash. When no advancing traffic is detected, the display must be blank. The speed detector must not activate alerts for vehicles outside the display con e of vision. The speed detector must meet the requirements of FCC Title 47, Part 90 and not require an FCC operating license. The speed detector must operate on 10.8 to 16.6 VDC and draw less than three amperes. The EWS must monitor and display the speed of approaching traffic only. The EWS detector must be able to accurately detect and determine the speed of approaching vehicles. The EWS must be capable of measuring and displayi ng speeds of approaching traffic only between 10 and 99 mph with an accuracy of plus or minus one mph, 1,000 feet in advance of the sign. FY 2023-24 Return to Table of Contents

995-17.4 Electronic Regulatory Signs : Display modules for ERS must have a minimum

two-inch contrasting margin around digits, text, or graphics. ERS must utilize LED technology for the dynamic display.

995-17.4 1 ERS Battery Backup System: AC powered signs must include a

battery backup system that maintains full operation of the sign for a minimum of two hours in the event of utility power loss. Operation on battery backup can have no visible effect on the appearance of the display.

995-17.4 2 Variable Speed Limit Sign s: Variable speed limit signs (VSLS) must

be able to display speed limits from 5 -70 mph in five mph in crements and mimic the physical appearance of a static regulatory speed limit sign as shown in the MUTCD and SHS. VSL S must use black characters on a white background. VSL S must log the time and date of any speed limit change to internal non -volatile memor y. The log must be able to record a minimum of 1,000 events in a first -in, first-out fashion.

995-17.4 2.1 VSLS Controller Communications: VSLS must be

equipped with a sign controller that includes a minimum of one Ethernet 10/100 Base TX 8P8C port.

995-17.4 2.2 Configuration and Management Requirements for VSLS:

VSLS must support remote management from a TMC and local management using a laptop computer. Remote and local computers must be able to reset VSL S sign controller. VSLS must log and report status, errors, and failures, including data transmission errors, receipt of invalid data, communication failure recoveries, power failures, power recoveries, display errors, fan and airflow status, temperature status, power supply status, and infor mation on the operational status of the temperature, photocell, airflow, humidity, and LED power supply sensors. The sign controller must be addressable through an Ethernet communication network using software that complies with the NTCIP requirements published online by the Department’s Transportation Traffic Engineering Research Laboratory (TERL) at: https://www.fdot.gov/traffic/ . The sign must implement any NTCIP standards required to achieve interoperability and interchangeability. Any additional objects implemented by the software must not interfere with the standard operation of any mandatory objects. VSLS must be compatible with the Department’s SunGuide® software.

995-17.5 Blank-Out Signs: BOS must have a black exterior finish (FED -STD-595-

37038) with a reflectance value not exceeding 25%. Overhead BOS must include a visor.

995-17.6 Electronic Speed Feedback Signs : The ESFS display background must be flat

black (FED-STD-595-37038) with a reflectance value not exceeding 25%. ESFS must utilize amber LEDs with a peak wavelength of 590 nanometers. ESFS shall have a minimum one -inch contrasting margin around illuminated characters or graphics.

995-17.6 1 Speed Detect or: The ESFS must be programmable for the posted

speed limit and the maximum speed to display . When the detected speed exceeds the maximum programmed speed (high speed cut -off) threshold, the display must automatically blank. Alternately, the display may s how an alert message such as “SLOW DOWN” when speeds above the maximum programmed speed threshold are detected. The ESFS must detect when the posted speed is exceeded by one mph and then activate the alert. When the alert is activated, the display must fla sh at a rate of 50 to 60 cycles per minute. When no advancing traffic is detected, the display must be blank. The speed detector must not activate alerts or display speeds for vehicles outside the display’s cone of vision. The ESFS must meet the requiremen ts of FCC Part 90 and not require an FCC operating license. The speed detector must operate on 10.8 to FY 2023-24 Return to Table of Contents 16.6 VDC. The ESFS must be capable of measuring speeds of approaching traffic between 10 and 99 mph with an accuracy of plus or minus one mph, 1,000 feet in advance of the sign.

995-18 Sign Beacon.

995-18.1 General: Flashing beacon assemblies incorporating a circular traffic signal

must meet the design and functional requirements set forth in MUTCD Chapter 4L. All circular beacons must have a minimum nomi nal diameter of 12 inches and meet the requirements of Section 650. All beacons must use a LED light source.

995-18.1 1 School Zone Beacon: Beacons designed for use with school zone

signing must include a means of calendar scheduling to program days and times of operation.

995-18.1 2 Vehicle Activated Beacon: Vehicle activated beacons must utilize a

vehicle detection system listed on the APL.

995-18.1 3 Pedestrian Activated Beacon: Pedestrian activated beacons must

utilize a pedestrian detector l isted on the APL.

995-18.2 Cabinets, Housings, and Hardware: Flashing beacon cabinets must be

currently listed on the APL or meet the requirements of Section 676. All housings, other than pole -mounted cabinets, must be powder coated dull black (FED-STD-595-37038) with a reflectance value not exceeding 25% as measured by ASTM E1347. Cabinets and housings must prevent unauthorized access. Flashing beacon assemblies must allow installation on 4 -1/2 inch outer diameter posts. Ensure all exposed assembly hardware including nuts, bolts, screws, and locking washers less than 5/8 inch in diameter, is Type 304 or 316 passivated stainless steel and meets the requirements of ASTM F593 and ASTM F594. All assembly hardware greater than or equal to 5/8 inch in diam eter must be galvanized and meet the requirements of ASTM A307.

995-18.3 Electrical Specifications: Provide equipment that operates on solar power or a

nominal voltage of 120 VAC. If the device requires operating voltages of less than 120 VAC, supply the appropriate voltage converter. Solar powered beacon systems must be designed to provide 10 days of continuous operation without sunlight and must automatically charge batteries and prevent overcharging and over -discharging. Solar powered systems must inclu de a charge indicator.

995-18.4 Environmental Specifications: All electronic assemblies must operate as

specified during and after being subjected to the transients, temperature, voltage, humidity, vibration, and shock tests described in NEMA TS 4-2016, Section 2. All electronic equipment must comply with FCC Title 47 Subpart B Section 15.

995-18.5 Warranty: Ensure all flashing beacons have a manufacturer’s warranty

covering defects for a minimum of three years from the date of final acceptance in accordance with 5-11 and Section 608. Ensure the manufacturer will fu rnish replacements for any part or equipment found to be defective during the warranty period at no cost to the Department or maintaining agency within 30 calendar days of notification.

995-19 In-Street Signs.

995-19.1 General: In-Street signs consist of the R1 6a or R1 6c In Street Pedestrian

Crossing Sign assemblies including the sign base.

995-19.2 Materials: The sign assembly includes the vertical panel, retroreflective sign

sheeting, a rebounding boot support, and a base. The vertical panel is bolted to a flexible boot FY 2023-24 Return to Table of Contents which is fastened to a plastic, recycled PVC, or rubber base. The sign assembly shall contain no upright metal parts. The vertical panel shall yield (bend) fully upon vehicle impact, then return to vertical position plus or minus 10 degrees with no delaminating. The face of the vertical panel shall resist twisting and remain oriented to the installed direction after vehicle impact. The vertical panel shall not split, crack, break, or separate from base. Us e only UV stabilized, ozone and hydrocarbon resistant outdoor -grade thermoplastic polymer, polycarbonate, recycled PVC, or HDPE materials. UV stabilization testing shall be in accordance with ASTM D1435. Use Type XI fluorescent yellow -green retroreflecti ve sign sheeting meeting the requirements of Section 994 on both sides of the vertical panel. The surface of the panel shall be smooth and free of defects, suitable for adherence of appropriate retroreflective sheeting.

995-19.2 1 Base:

995-19.2 1.1 Sign Base (Fixed): The base shall be constructed with high -

impact materials using ozone and hydrocarbon resistant outdoor grade thermoplastic polymer, polycarbonate, or HDPE materials meeting the general provisions for all In -Street sign bases.

995-19.2 1.2 Sign Base (Portable): Portable base assemblies shall consist

of a lightweight plastic, recycled PVC, or rubber material that may be easily moved or relocated by a single person.

995-19.2 1.3 Color: Sign bases shall be either black, or the same col or as

the adjacent pavement marking.

995-19.2 2 Approved Product List (APL): In addition to the APL requirements

of 995-1.2, provide the following:

995-19.3 Vertical Panel Messages: Fabricate vertical p anel messages in accordance with

Section 994. Vertical panels of 8 inches wide x 28 inches tall or 12 inches x 36 inches are acceptable. See Standard Plans Section 700-102.

995-19.4 Connection Method: Products will be categorized as either Fixed Base or

Portable. Fixed base will be installed in accordance with the manufacturer’s instructions. Portable base will be limited to temporary applications at school crossings where a crossing guard is present during school arrival and departure times or when childr en are present. FY 2023-24 Return to Table of Contents SECTION 996 INTELLIGENT TRANSPORTATION SYSTEM DEVICE MATERIALS

996-1 Description.

This Section governs the requirements for all perman ent intelligent transportation system devices.

996-2 Video Equipment.

996-2.1 General: All CCTV camera equipment shall be listed on the Department’s

Approved Product List (APL). Manufacturers seeking evaluation of their product shall submit an application in accordance with Section 6. All equipment shall be permanently marked with manufac turer name or trademark, part number, and date of manufacture or serial number. All parts shall be constructed of corrosion -resistant materials, such as plastic, stainless steel, anodized aluminum, brass, or gold-plated metal. All fasteners exposed to the elements shall be Type 304 or 316 passivated stainless steel.

996-2.2 CCTV Camera :

996-2.2 1 Camera: CCTV cameras shall be compliant with the Code of Federal

Regulations Section 200.216 Prohibition on certain telecommunications and video surveillance services or equipment https://www.ecfr.gov/current/title -2/subtitle-A/chapter -II/part- 200/subpart -C/section -200.216. CCTV cameras shall be compatible with the current version of the Department’s SunGuide® software system. Camera types include dome pan -tilt-zoom (PTZ), external positioner -PTZ, and fixed. Video types include analog and internet protocol (IP).Analog camera produces National Television System Committee (NTSC) composite video output of 1V peak-to-peak (Vp-p) at 75 ohms with a minimum resolution of 470 horizontal and 350 vertical TV lines. Analog and IP cameras shall provide the following features and capabilities: