SECTION 99 7
997-1 Description.
This Section governs the requirements for all traffic monitoring site (TMS) material as shown in the Plans and Standard Plans. Provide products compatible with all other TMS APL equipment. Any electronics unit or software submitted for approval must be compatible with or convert the data into a format compatible with the Department’s polling and processing software. Any substitute software modules submitted must be tested and appr oved by the Department . Provide products 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 st eel.
997-1.1 Approved Product List Submittal Requirements: Manufacturers seeking
evaluation of their product for inclusion on the APL shall submit an application in accordance with Section 6 including documentation identified in Table 997-1 and this secti on. Documentation must demonstrate that the product meets the requirements of this Section. Table 997-1 Documentation Requirements Technical Data Sheets Provide information as required in this Section. Product Label Provide equipment permanently marked with manufacturer name or trademark, part number, and date of manufacture or serial number. Product Sample When requested, submit a product sample. Installation Instructions Required. Product Photo Display significant features of the products.
997-2 Vehicle Sensors (Non -Weight).
997-2.1 General: Non-weight vehicle sensors include axle sensors and non-motorized
sensors.
997-2.2 Axle Sensor and Non -Motorized Sensor: In-Roadway axle sensors shall meet
the physical characteristics in Table 997-2. FY 2023-24 Return to Table of Contents Table 997-2 Physical Characteristics, Axle Sensor Property Documentation Requirements Sensor Element Dimensions Technical Data Sheet Approximately 6 ft. to 10 ft. in length, 3/16 in. to 3/8 in. in diameter (varies by manufacturer) Sensor Element Material Technical Data Sheet Pressure sensing piezoelectric Pavement Operating Temperature Range Technical Data Sheet Minimum 0°F to +150°F Output Signal Technical Data Sheet Minimum +200mV or produce a charge signal for passenger car/pickup truck axle @ 70°F with less than 10% negative signal for non- WIM axle sensors Environmental Requirements Technical Data Sheet NEMA TS-2-2016, Section 3. In-Sidewalk and Shared Use Path non -motorized sensors shall meet the physical characteristics in Table 997-3. Table 997-3 Physical Characteristics, Non-Motorized Sensor Property Documentation Requirements Sensor Element Dimensions Technical Data Sheet Approximately 3 ft. in length, 3/16 in. to 3/8 in. in diameter (varies by manufacturer) Sensor Element Material Technical Data Sheet Pressure sensing piezoelectric Pavement Operating Temperature Range Technical Data Sheet Minimum 0°F to +150°F Output Signal Range Technical Data Sheet Minimum +34 mV (front axle) and +65mV (rear axle), 220 lb. Passenger bicycle, at 7.3 MPH Environmental Requirements Technical Data Sheet NEMA TS-2-2016, Section 3.
997-3 Weight Sensors (In-Roadway) .
997-3.1 General: Weight sensors include bending plates, Class I piezoelectric sensors,
and quartz piezoelectric sensors.
997-3.2 Bending Plate : Provide bending Plate Weigh -In-Motion systems that utilize
plates with strain gauges bonded t o the underside. T he weigh pads shall meet the physical characteristics in Table 997-4. FY 2023-24 Return to Table of Contents Table 997-4 Physical Characteristics, Bending Plate, Weigh Pad Property Documentation Requirements Sensor Size Technical Data Sheet 20 in. wide x 70 in. or 50 in. long Operating Temperature Range Technical Data Sheet -50°F to 176°F Scale Capacity Technical Data Sheet 45000 pounds per axle and overload protected to 80000 pounds per axle Environmental Requirements Technical Data Shee t NEMA TS-2-2016, Section 3.
997-3.3 Piezoelectric Axle Sensor (Class I) : Class I sensors collect Weigh -In-Motion
data. The vehicle sensor shall meet the physical characteristics in Table 997-5. Table 997-5 Physical Characteristics, Piezoelectric Axle Sensor, Class I Property Documentation Requirements Sensor Size Technical Data Sheet 6 ft. to 8 ft. Flat Element 0.26 in. wide x 0.063 in. thick Operating Temperature Range Technical Data Sheet -40°F to 160°F Temperature sensitivity Technical Data Sheet 0.2%/°F Output Uniformity Technical Data Sheet 5% to 7% Output Signal Technical Data Sheet 250 mV for 400 -pound wheel load at 70 F° and 55 mph [250 mV for 181 kg wheel load at 21 C° and 88 kph] Minimum Insulation Resistance Technical Data Sheet > 500 MΩ Passive Signal Cable Technical Data Sheet RG 58 C/U with High Density Polyethylene Outer Jacket 0.187” [4.75 mm] OD Center Core Technical Data Sheet 16-gauge, flat braided, silver plated copper wire Piezoelectric Material Technical Data Sheet Spiral Wrapped PVDF piezoelectric film Cable Capacitance Technical Data Sheet 27 pF/ft [89 pF/m] Piezoelectric Coefficient Technical Data Sheet 34 pC/N – nominal Life Technical Data Sheet 40 Million ESAL’s[Minimum] Environmental Requirements Technical Data Sheet NEMA TS-2-2016, Section 3.
997-3.4 Quartz Piezoelectric Sensor : The quartz piezoelectric sensors collect Weigh-In-
Motion data . The quartz sensor shall meet the physical characteristics in Table 997-6. FY 2023-24 Return to Table of Contents Table 997-6 Physical Characteristics, Quartz Piezoelectric Sensor Property Documentation Requirements Measuring Range wheel load (At a referenced tire contact area) Technical Data Sheet 0 to 34000 pounds (8 in. by 12.6 in.) Overload (twin wheel) Technical Data Sheet 55000 pounds Sensitivity – Nominal Technical Data Sheet 7.6 ± 12% pC/lbf Sensitivity shift over sensor length Technical Data Sheet <± 3% Threshold Technical Data Sheet <0.1 lbf Linearity Technical Data Sheet <± 2% Full Scale Output Hysteresis Technical Data Sheet ≤ 2% Full Scale Output Natural Frequency Technical Data Sheet > 5 kHz Operating Temperature range Technical Data Sheet -40°F to 176°F Temperature coefficient of sensitivity Technical Data Sheet -0.04%/°F Operating Speed Technical Data Sheet 5 MPH to 100 MPH Insulation resistance Technical Data Sheet > 100 giga ohms Capacitance with 130 ft. cable Technical Data Sheet 8 to 12 nano farad Environmental Requirement s Technical Data Sheet NEMA TS-2-2016, Section 3.
997-4 Solar Power Unit.
997-4.1 General: Provide solar power unit consist ing of the following components: solar
panel(s) and mounting hardware; 12 V storage battery; and voltage regulator with wiring and associated mounting hardware .
997-4.2 Solar Panel Configured for Nominal 12 VDC: Solar panels cannot have internal
voltage regu lators and must be c apable of multiple arrays and series or parallel wiring configurations . Meet the physical characteristics in Table 997-7: Table 997-7 Physical Characteristics, Solar Panel Property Documentation Requirements Peak power range Technical Data Sheet 80 to 130 watts. Voltage Technical Data Sheet Maximum power greater than 16.5 V at 77°F Current Technical Data Sheet Maximum power greater than 2.85 A at 77°F. Photovoltaic modules construction Technical Data Sheet Mono or poly -crystalline cells. AppFrame construction Technical Data Sheet Anodized aluminum. Mounting hardware construction Technical Data Sheet Anodized, galvanized or stainless-steel.
997-4.3 Battery 12 V: Meet the physical characteristics in Table 997-8:
FY 2023-24 Return to Table of Contents Table 997-8 Physical Characteristics, Battery 12 V Property Documentation Requirements Rechargeable for photovoltaic application. Valve regulated lead -calcium gelled electrolyte or absorbed glass mat. Case Construction Technical Data Sheet ABS Plastic or Polypropylene. Current discharge rate Technical Data Sheet Minimum of 100 hours at 0.9 amperes. Dimensions Technical Data Sheet Approximately 12 inches by 7 inches by 9 inches.
997-4.4 Voltage Regulator Configured for Nominal 12 VDC: Meet the physical
characteristics in Table 997-9: Table 997-9 Physical Characteristics, Voltage Regulator Property Documentation Requirements Voltage for battery charging. Technical Data Sheet Minimum of 13.5 VDC . Begin charging when battery voltage is 13.3 V or less. Discontinue charging when battery voltage is 14.5 V. Quiescent current Technical Data Sheet Maximum 15 mA. Operating Temperature range Technical Data Sheet 0 to 122°F. Dimensions Technical Data Sheet Approximately 2 inches by 5 inches by 1 inch.
997-5 Site Modem : Meet the physical characteristics in Table 997-10:
FY 2023-24 Return to Table of Contents Table 997-10 Physical Characteristics, Site Modem Property Documentation Requirements Configuration Technical Data Sheet 1.The device shall be field configurable to be powered from 12 VDC. 2.The device shall have the ability and be configured to utilize a network service that shall be at a minimum 4G LTE with fallback to 3G EV-DO. Protocols: The device shall have the ability to utilize, at a minimum, the following protocols: Technical Data Sheet 1. Network: TCP/IP, UDP/IP, Domain Name System (DNS)
2.Routing: Network Address Translation (NAT), Host Port Routing, DHCP, Point - to-Point Protocol over Ethernet (PPPoE), VLAN, Virtual Router Redundancy Protocol (VRRP), Reliable Static Route.
3.Application: Short Message Service (SMS), Telnet/SSH, Reverse Telnet, Simple Mail Transfer Protocol (SMTP), SNMP, SNTP, Reliable Static Route
4.Serial: TCP/UDP Packet Assembly Disassembly (PAD) Mode, Modbus (ASCII, RTU, Variable), Point -to-Point Protocol (PPP) Event Reporting: The device shall have the capability to record and report, at a minimum, the following events in plain text: Technical Data Sheet 1. Network parameters
2.Data usage
3.Power
4.Device temp erature
5.Digital input
6.Global Positioning
7.System/Automatic
8.Vehicle Locator (GPS/AVL)
9.Timer Security: The device shall have the following security provisions: Technical Data Sheet 1. Ability to establish VPN tunnels.
2.IPsec, Secure Sockets Layer (SSL), and Generic Routing Encapsulation (GRE) VPN client
3.Port forwarding and Demilitarized Zone (DMZ)
4.Port filtering
5.Trusted IP
6.MAC address filtering FY 2023-24 Return to Table of Contents Table 997-10 Physical Characteristics, Site Modem Operating Temperature range Technical Data Sheet Minimum 0 to 158°F. Antenna: Use an antenna that meets the following requirements: Technical Data Sheet 1. Dual diversity
2.Minimum NEMA rating of NEMA 3
3.Frequencies: F 1 = 824 to 896 MHz, F 2 = 1850 to 1990 MHz, F 3 = 1850 to 1955 MHz, F 4 = 1710 to 1770 MHz, F 5 = 2110 to 2170 MHz
4.Voltage Standing Wave Ratio (VSWR) of 1.5:1 or less at resonant point
5.50 Ω nominal impedance
6.Gain of 3.0 dB to 5.15 dB
7.Omni-directional radiation pattern
8.Vertical polarization
9.Glass-filled polypropylene rad ome
10.Adhesive mounting or Bolt mount
11.SMA male plug connectors 10 ft. (minimum) coaxial length FY 2023-24 Return to Table of Contents
Source: Florida Standard Specifications for Road and Bridge Construction, 2024 Edition. Pages 1293–1299 of 1,299.