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General Provisions (00100-00999)

807—WIRELESS TRANSCEIVERS

VA · 2020 Standard SpecificationsBook pages 9991009View official source ↗

971Payment will be made under: ————————————————————————————————— Pay Item Pay Unit————————————————————————————————— ESS, Electric Service Each ESS, Solar/battery Powered Each————————————————————————————————— SECTION 807—WIRELESS TRANSCEIVERS

807.01 Description

This work shall consist of, installing and fully integrating wireless transceivers (to include cellular/PCS wireless modems, a 900 MHz wireless Ethernet radio transceivers, or 5.8 GHz wireless broadband radio transceivers) including all necessary hardware and software in accordance with these specifications and as shown the plans or as directed by the Engineer. This specification covers technical specifications for wireless transceivers used to provide communica - tion using leased cellular/PCS services or a license free (ISM) communication frequency band.

807.02 Materials

Equipment shall conform to the National Electrical Code (NEC), the National Electrical Safety Code (NESC), Underwriter’ s Laboratories (UL), and all local safety codes in effect on the date of advertise - ment. If equipment is installed on utility poles, comply with all regulations and codes imposed by the owner of the affected utility poles. The Contractor shall install wireless transceivers in accordance with these Specifications except when otherwise indicated on the Plans or elsewhere in the Contract.

a.Cellular/PCS Wireless Modem The wireless/cellular modem (herein wireless modem) shall be Restriction of Hazardous Sub - stance directive (ROHS) compliant and FCC approved. The wireless modem shall be certified by the PCS Type Certification Review Board (PTCRB). The wireless modem shall support at a min - imum the following host interfaces: one Ethernet 10/100 Mbps RJ-45, one USB 2.0 (Mini-B5), and one I/O port. The wireless modem shall also support the following antenna connections: Primary 50 Ohm SMA, and Rx Diversity: 50 Ohm SMA. The wireless modem shall be Class I, Div. 2 Certified. The wireless modem shall provide IPsecVPN features. The wireless modem shall include an external “rubber-duck” style antenna. All equipment supplied shall be identical, from same manufacturer, and shall be completely interchangeable.
1.Electrical Specifications The wireless modem shall support a DC power source compatible with solar powered battery charging systems. A manufacturer recommended AC power adapter shall be furnished where AC power sources are used at locations shown in the Plans. A fuse (1-2 Amps) shall be fur - nished and installed on the line closest to a DC power source to protect power source from possible surges due to shorts or other line issues.807.02 972 2. Environmental Specifications Wireless modem equipment shall be hardened for field cabinet conditions. Wireless modem shall have a minimum operating temperature range -30 degrees° to 165° Fahrenheit (F) with a maximum non-condensing relative humidity as defined in the environmental requirements section of the NEMA TS 2 standard. The unit shall have thermoelectric cooling (i.e. no fans or moving parts).
3.Physical Specifications The unit shall be DIN-rail or shelf mountable. A rubber-duck style ruggedized antenna compatible with the wireless modem shall be provided for external mounting to the associated ITS controller cabinet or pole.
4.Network Specifications The wireless modem shall support the following application interfaces: TCP/IP , UDP/IP , DHCP , HTTP , SNMP , SMTP , SMS, and MSCI.
5.Communications Standards: The modem shall support the following network technologies: • HSUPA (7.2 Mbps) with fallback to: HSDPA, UMTS, EDGE, GPRS (MS-12) North America SKUs: Tri-Band UMTS/HSDPA/HSUPA, 850/1900/2100 MHz, Quad-Band GPRS/EDGE, 850/900/1800/1900 MHz. • ROW SKU: Quad-Band UMTS/HSDPA/HSUPA, 850/900/1900/2100 MHz, Quad-Band GPRS/EDGE, 850/900/1800/1900 MHz. • EV -DO Rev A With fallback to: CDMA 1x, CDMA IS-95, 800 MHz Cellular, 1900 MHz PCS.
6.Management Capability: The wireless modem shall feature remote management and configuration.
7.Leased Wireless Services: The Contractor shall include one (1) year of wireless service with each wireless modem from a Department/State-contract approved wireless provider. The Contractor will be provided a list by the Engineer. The Contractor shall submit a copy of the wireless service contract to VDOT for approval prior to purchase.
b.900 MHz Wireless Ethernet Distribution Radio Furnish, install, and integrate license free 902 – 928 MHz Ethernet distribution radios with anten - nas, coaxial cable, mounting hardware, and configuration software. Ethernet distribution radios shall be capable of point-to-point and point-to-multipoint configurations. All equipment supplied shall be identical, from the same manufacturer and shall be completely interchangeable. The wire - less Ethernet distribution radio system shall operate on a license free (ISM) Spread Spectrum radio band (902 – 928 MHz). The wireless Ethernet radio shall feature 32 Bit encryption. 807.02 973 1. Mechanical Specifications The wireless Ethernet radio system shall feature: • 10/100 BaseT Ethernet interface that complies with IEEE 802.3 and is capable of operating at a rate of 1.0 Mbps or better • RJ-45 connector for Ethernet port • Maximum of 8 mSec. end-to-end latency • 16 bit Cyclic Redundancy Check (CRC) error checking with auto re-transmit • Built-in store-and-forward (single radio repeater – the use of back to back radio set-ups are not allowed to accomplish this function) • Receiver Sensitivity of –110 dBm @ 10-6 BER • Antenna port: Reverse Polarity - Threaded Normalized Connector-Female (RP TNC-F) antenna connector • Front Panel LED indicators for: power, transmit data, receive data, data port indicator
2.Electrical Specifications The wireless Ethernet distribution radio system shall feature: • Wall adapter (120 V AC UL/CSA wall cube plug-in module with 12 VDC, 1 Amp, nominal output). • Typical current draw of no greater than 355 mA when powered with 12 VDC input, and transmitting 1 Watt of RF output power. • Radio Sleep mode with a maximum current draw of <1 milliAmp.
3.Environmental Specifications The wireless Ethernet distribution radio shall have an operating temperature of –40 to +176 degrees F at 0 to 95% humidity.
4.Physical Specifications The wireless Ethernet distribution radio system shall feature cabinet equipment capable of being DIN-rail or shelf mounted and shall not exceed 9” long x 2” wide x 5” high.
5.Communications Standards: The wireless Ethernet distribution radio system shall feature: • Frequency hopping technology (direct sequence spread spectrum technology is not acceptable). • Bi-directional, full duplex 807.02 974 • Programmable Radio Frequency (RF) output levels of 1 mW , 10 mW , 100 mW , or 1 Watt • User-selectable channels, and a minimum of 50 hopping patterns
6.Management Capability The wireless Ethernet distribution radio shall feature remote management and config - uration capabilities. Furnish units with a web-based software program that uses a GUI (Graphical User Interface) to provide remote programming, radio configuration, remote maintenance, diagnostics, and spectrum analyzer features. Provide software that is designed to function with the approved wireless Ethernet distribution radio. Provide configuration software that can be upgraded in the future at no additional charge. The radio shall be SNMPv2/SNMPv3 compatible for monitoring of remote alerts/alarms. The Contractor shall coordinate with the Department for configuration of standard traps for relay to network management system(s). The Ethernet distribution radio shall be configurable from a single location (i.e. master radio location) via web-based software interface at no extra cost.
7.Antenna Furnish a directional antenna or omni-directional antenna as specified in the plans that will allow the system to function as designed. Furnish mounting hardware to secure the antenna to the metal pole or wood pole, as recommended by the manufacturer of the antenna and as approved by the Engineer.
a.Directional Antenna (Yagi) 8.5 dB Gain, 13 dB Gain antenna, or an approved equivalent antenna meeting the follow - ing minimum specifications at locations shown in the Plans: ______________________________________________________________________ Property 8.5 dB Gain 13 dB Gain Antenna Antenna______________________________________________________________________ Frequency Range 896 – 940MHz 902 – 928 MHz Nominal Gain 8.5 dB 13 dB Front to Back Ratio 18 dB 20 dB Horizontal Beam width 65 degree 40 degree (at half power points) Vertical Beam width 55 degree 35 degree (at half power points) Power Rating, UHF Frequency 200 Watts 200 Watts Lightning Protection DC Ground DC Ground Termination Coaxial pigtail with Coaxial pigtail with a Standard N-Type a Standard N-Type Female Connector Female Connector Impedance 50 ohms 50 ohms Length 24” 53” (1346 mm) Rated Wind Velocity 125 mph 125 mph Rated Wind Velocity 100 mph 100 mph (with 0.5 inch radial ice)807.02 975Projected Wind Surface Area 0.26 ftsq. 0.46 ftsq. (flat plane equivalent) Number Elements 6 13 Allows for Vertical or Y es Y es Horizontal polarization Minimum separation distance 9” (230 mm) 9” from persons installing and using an active device Minimum separation distance 6.5’ (2 m) 6.5’ from other RF sources including radios and antennas Welded construction Y es Y es______________________________________________________________________ NOTE: Ethernet distribution radios equipped with an integrated panel antenna with comparable RF gains are an acceptable alternate for external Y agi antenna locations shown on the Plans. Antenna coaxial cables shall be substituted with outdoor-rated Cat6 shield twisted pair cabling from the cabinet to the integrated radio/antenna.
b.Omni Directional Antenna 3 dBi or 6 dBi omni antenna or an approved equivalent antenna meeting the following minimum specifications: _____________________________________________________________________ Frequency Range 902 – 928 MHz Nominal Gain Typical gains of 3 or 6 dB (dependent upon gain needed for application) Termination Standard N-Type Female Connector Impedance 50 ohms VSWR 1.5:1 Vertical Beam Width 3 dB – 33 degrees; 6 dB – 17 degrees Lightening Protection DC Ground Power Rating, UHF Frequency 100 Watts Length 3 dB – 25”; 6 dB – 65” Rated Wind Velocity 125 mph Solid, single piece construction Minimum separation distance from 9” persons installing and using an active device Minimum separation distance from 6.5 other RF sources including radios and antennas Mount in a vertical direction and limit to vertically polarized RF systems _____________________________________________________________________
8.Coaxial Cable: Furnish a 400 series braided cable, or equivalent antenna coaxial cable to provide a link between the antenna and the lightning arrestor that meets the following minimum specifications:807.02 976_______________________________________________________________________ Attenuation (dB per 100 feet) 3.9 dB @ 900MHz Power Rating @ 900MHz 0.58 kW Center Conductor 0.108” Copper Clad Aluminum Dielectric: Cellular PE 0.285” Shield Aluminum Tape – 0.291” Tinned Copper Braid – 0.320” Jacket Black UV protected polyethylene Bend Radius 1” with less than 1 ohm impedance change at bend Impedance 50 ohms Capacitance per foot 23.9 pf/ft End Connectors Standard N-Type Male Connectors on both ends _______________________________________________________________________ Furnish Standard N-Type male connector(s) of proper sizing to mate with the 400 series coaxial cable and utilize a crimping method to secure the connector to the coaxial cable. Furnish a connector that meets the following minimum specifications: • Center Contact: Gold Plated Beryllium Copper (spring loaded – Non-solder) • Outer Contact: Silver Plated Brass • Body: Silver Plated Brass • Crimp Sleeve: Silver Plated Copper • Dielectric: Teflon PTFE • Water Proofing Sleeve: Adhesive Lined Polyolefin – Heat Shrink • Attachment Size: Crimp Size 0.429” (minimum) hex • Electrical Properties: o Impedance: 50 ohms o Working V oltage: 1000 vrms (max) o Insertion loss: 0.1 x ¥ Fghz o VSWR: 1.25:1 (max) up to 3GHz o Provide instructions on properly installing the connector The Contractor shall provide a coaxial cable shield grounding kit containing components that will adequately bond and ground the cable shield to the pole ground. The grounding kit shall comply with MIL-STD-188-124A Specifications “Military Standard for Grounding, Bonding, and Shielding” for coaxial cable and protect the cable from lightning currents in excess of 200kA. Each kit shall be supplied, as a minimum, with the following:807.02 977 • Preformed Strap: 24 Gauge copper strap that is a minimum of 1 5/8 inch long and is sized to mate with the 400 series coaxial cable • Tensioning Hardware: Copper nuts and lock washers • Grounding Lead Cable: #6 AWG, stranded, insulated copper wire • Instructions on properly installing the shield grounding system The Contractor shall furnish and install a weatherproofing kit containing components that will protect the coaxial cable shield grounding system against the ingress of moisture and prevent vibrations from loosening the connections. The weatherproofing kit shall be supplied, as a minimum, with the following: • Butyl Mastic Tape: 3 3/4 inches wide by 24 inches long (approximately) • Electrical Tape: 2 inches wide by 20 inches long (approximately) • Instructions on properly installing the weatherproofing system
9.Lightning Arrestor The Contractor shall furnish and install an in-line lightning arrestor between each antenna and its designated radio modem inside the equipment cabinet. The lightning arrestor shall meet the following minimum requirements: • Surge: o 20kA, 800MHz to 2.0 GHz < 1.1 : 1 VSWR o 18kA, 800MHz to 2.3 GHz < 1.1 : 1 VSWR o 18kA, 700MHz to 2.7 GHz < 1.2 : 1 VSWR • Insertion Loss: ≤ 0.1 dB over frequency range • Max Power: 500 w @ 920MHz (750 W @ 122°F) • RF Power: 300 Watts • Let Through V oltage: ≤ +/- 3 V olts for 3kA @ 8/20 µs Waveform • Throughput energy: ≤ 0.5 µJ for 3 kA @ 8/20 µs Waveform • Temperature: -40 to 185°F Storage/Operating 122°F • Vibration: 1G at 5 Hz up to 100 Hz • Unit Impedance: 50 Ω • VSWR: 1.1:1807.02 978 • Frequency Range: 800 MHz to 2200 MHz • Multi-strike capability • Low strike throughput energy • Flange mount and bulkhead mount options • Standard N-Type Female Connector on both the surge side and protected side connectors
10.Managed Field Ethernet Switch The Contractor shall install a Managed Field Ethernet Switch (MFES) at each site where a wireless radio system is shown in the Plans. The MFES shall meet all specifications in Section 809 - Managed Field Ethernet Switch, except that optical modules/small-form pluggable (SFP) ports are not required with such applications. The wireless Ethernet distribution radio shall be compatible with the MFES. The MFES shall be considered incidental to the installation of each wireless Ethernet distribution radio.
c.5.8 GHz Wireless Broadband Radio The Contractor shall furnish license-free 5.8 GHz broadband radios with antennae, cables, mounting hardware, and configuration software. The radio systems shall be capable of point-to-point and point-to-multipoint configurations. All equipment supplied shall be identical, from same manu - facturer, and shall be completely interchangeable. The equipment shall conform to all applicable IEEE 802 standards. The wireless broadband radio system shall operate on an unlicensed frequency (5.725 – 5.850 GHz).
1.Mechanical Specifications: The wireless broadband radio system shall feature the following interfaces: • Wired Ethernet: 10/100 or 10/100/1000 Base-TX Ethernet (RJ-45 connector)
2.Electrical Specifications: The wireless broadband radio system shall support Power over Ethernet (PoE) with or without electrical distribution.
3.Environmental Specifications The wireless broadband radio system shall meet or exceed the following environmental specifications: • Equipment must operate in a minimum temperature range of -28 degrees F to 140 degrees F • 100% Humidity, condensing • Rated Wind Velocity: 100 mph807.02 979Furnish and install a manufacturer recommended in-line lightning arrestor between each radio/ antenna and its network device inside the equipment cabinet. The lightning arrestor shall have multi-strike capability, and low strike throughput energy.
4.Physical Specifications • Maximum dimensions for antenna are 15” x 15” x 10” (W x H x D). • Maximum weight excluding mounting hardware is 20 lbs.
5.Network Specifications • System shall feature MAC address/IP filtering. • System shall provide SNMP and MIB II support.
6.Antenna and Communications Standards: The integrated antenna shall be a directional type panel antenna featuring dual polarity and shall be between 14 dBi to 28 dBi. Outdoor-rated Cat6 shield twisted pair cabling shall be used to provide communications and power from the cabinet to the integrated radio/antenna. Furnish a weatherproofing kit containing components that will protect the cable against the ingress of moisture and prevent vibrations from loosening the connections. The weatherproof - ing kit shall be supplied with instructions on properly installing the weatherproofing system. The wireless broadband radio system shall be capable of speeds of 54 to 200 Mbps, minimum, over a minimum distance of 10 miles with line-of-sight.
7.Management Capability The wireless broadband radio shall feature remote management and configuration capabilities. Furnish units with a web-based software program that uses a GUI (Graphical User Interface) to provide remote programming, radio configuration, remote maintenance and diagnostics features. Provide software that is designed to function with the approved wireless broadband radio. Minor updates to configuration software shall be provided to the Department for the du - ration of the warranty period described herein at no additional charge. The wireless broadband radio shall feature remote management using Telnet and should be compatible with SNMPv2/ SNMPv3. The Contractor shall coordinate with the Department for configuration of standard traps for relay to network management system(s).
8.Managed Field Ethernet Switch: A managed field Ethernet switch (MFES) shall be installed at each site where a wireless broadband radio is shown in the Plans. The MFES shall meet all specifications for the Managed Field Ethernet Switch in Section 809, except that optical modules/SFPs are not required with these applications. The wireless broadband radio shall be compatible with the MFES. The MFES will be considered incidental to the furnishing and installation of each wireless broadband radio.807.02 980807.03—Procedures The Contractor shall install all equipment according to the latest version of the manufacturer’ s instal - lation procedures and industry accepted installation standards, codes, and practices, or as directed by the Engineer. All materials and installation practices shall be in accordance with the applicable OSHA requirements as found in 29 Code of Federal Regulations (CFR) Part 1926, Safety and Health Standards for Construction.
a.Cellular/PCS Wireless Modem The wireless cellular modem shall be installed in a cabinet and located for easy accessibility for maintenance purposes. If the antenna must be mounted to the exterior surface of a cabinet, the Contractor shall use manufacturer-approved grommets and sealants that are listed and rated for this type of installation. The Contractor shall submit the method of attachment to the Engineer for approval prior to installation. A copy of all manufacturer equipment specifications and instructions and maintenance manuals shall be placed in the equipment cabinet.
b.900 MHz Wireless Ethernet Radio and 5.8 GHz Wireless Broadband Radio The Contractor shall perform a radio path site survey test before installing any equipment. The test shall evaluate the Signal Strength (dBm), Fade Margin (dB), Signal-to-Noise Ratio, Data Integrity (poll test), and a complete frequency spectrum scan. The radio path site survey test shall be performed using the supplied brand and model of radio equipment to be deployed. During the ini - tial radio path signal strength test it may be determined that one or more repeater stations will be necessary to complete the intended link. Repeater stations installed in excess of those shown on the Plans or Working Drawings as authorized by the Engineer will be paid according to Section 109.05. The Contractor shall provide the test results to the Engineer for review and approval. Submit copies of the test results and colored copies of the frequency spectrum scan along with an electronic copy of this information. The Engineer will approve final locations of antennae. Install an antenna splitter cable at locations where it is determined that a dual antenna configuration is necessary to accommodate communications in multiple directions. Install the antenna in a manner that avoids conflicts with other utilities (separation distances shall be in accordance with the guidelines of the National Electrical Safety Code and the affected utilities) and as specified in the antenna manufacturer’ s recommendations. Secure the antenna mounting hardware to the pole and route the coaxial cable so that no strain is placed on the coaxial connectors. On wood pole installations, bond the antenna mounting hardware to the pole ground using # 6 AWG bare copper wire using split bolt or compression type fitting. The Contractor shall use the latest version of manufacturer-provided mounting hardware. Install the cable shield grounding system by removing the outer jacket of the cable without damaging the cable shield. Install the shield grounding system following the cable manufacturer’ s instructions. Install and make weatherproof the connection using the appropriate weatherproofing materials and following the manufacturer’ s instructions. On wood poles, secure the #6 AWG grounding lead cable to the pole ground using split bolt or compression type fitting or a Department approved method. On metal poles, secure the #6 AWG grounding lead cable to the pole using a Department approved method. Do not exceed the manufacturer recommended bend radius of the coaxial cable as it traverses from the cabinet to the antenna assembly. Connect the lightning arrestor to the cable (or shielded twisted pair alternate cables) in the equipment cabinet. Properly ground and secure the arrestor in the 807.03 981cabinet. Permanently label all cables entering the cabinet. Ensure that the power supply for the radio system is not connected to the GFCI receptacle circuit located in the cabinet. Place a copy of all manufacturer equipment specifications, instructions, and maintenance manuals in the equipment cabinet.
c.Acceptance Testing The wireless transceivers shall be subjected to Field Acceptance tests (FATs), VDOT Traffic Operations Center Integration (TOCIT) testing, and System Acceptance testing (SAT). The Contractor shall meet the requirements of the Department’ s test plan. The test plan can be found on the Department’ s website.
d.Warranty Provide a minimum two (2) year warranty with each wireless transceiver installation on all equip - ment to ensure that all products are free of manufacturing, design, material, and workmanship defects. The warranty period shall begin on the date of final acceptance of the work as defined in Section 108.09.

807.04 Measurement and Payment

Cellular/PCS Wireless Modem will be measured in units of each and will be paid for at the contract unit price per each. This price shall include providing wireless modem, mounting arms, antenna, fittings, miscellaneous cabling, installation and testing, operational software and firmware, supplies, technical support, personnel training, shop drawings, documentation, 1 year of leased services required to complete the work. Seventy percent (70%) of the unit bid price will be paid upon delivery of materials, software protocols, and documentation, installation of the wireless modem and all wiring for a fully operational wireless modem, and successful completion of the field acceptance tests. Thirty Percent (30%) of the unit bid price will be paid upon successful integration with the VDOT Traffic Operations Center (TOCIT) and successful completion of the subsequent 30-day System Acceptance Test (SAT). 900 MHz Wireless Ethernet Distribution Radio will be measured in units of each and will be paid for at the contract unit bid price per each. This price shall include furnishing, installing and testing the appropriate antennae, transceiver radio including: splitter cables, cable shield grounding system with weatherproofing, lightning arrestors, wireless Ethernet switch, labeling, repeater stations known to be required before setup, and any integration between a wireless Ethernet distribution radio, a fiber optic network or other State owned or leased communication node as indicated on the Plans as necessary to complete the work. All power supplies, power cords, adapters, antenna mounting hardware, connectors, cables, signs, decals, installation materials and configuration software necessary to complete this work, including the radio path site survey tests and warranties will be considered incidental to the cost the radio distribution system. Riser assemblies will be incidental to the cost of each installation. Seventy percent (70%) of the unit bid price will be paid upon delivery of materials, software protocols and documenta - tion, installation of the wireless Ethernet radio and all wiring for a fully operational wireless Ethernet distribution radio, and successful completion of the field acceptance test. The remaining thirty percent (30%) of the unit bid price will be paid upon successful integration with the VDOT Traffic Operations Center (TOCIT) and successful completion of the subsequent 30-day Acceptance Test. 5.8 GHz Wireless Broadband Radio will be measured in units of each and will be paid for at the contract unit bid price per each. This price shall item include furnishing, installing and testing the appro -807.04 982priate antennae, transceiver radio, splitter cables, cable shield grounding system with weatherproofing, lightning arrestors, wireless Ethernet switch, labeling and any integration between a wireless broadband ra - dio, a fiber optic network or other State owned or leased communication node as indicated on the Plans necessary to complete the work. All power supplies, power cords, adapters, antenna mounting hardware, connectors, serial cables, signs, decals, installation materials and configuration software necessary to complete this work, including the radio path site survey tests and warranties will be considered incidental to the price bid for the broadband radio system. Riser assemblies will be considered incidental to the cost of each installation. Seventy percent (70%) of the unit bid price will be paid upon delivery of materials, software protocols, and documentation, installation of the wireless broadband radio and all wiring for a fully operational wireless broadband radio, and successful completion of the Field Acceptance test (F A T). The remaining thirty percent (30%) of the unit bid price will be paid upon successful integration with the VDOT Traffic Operations Center and successful completion of the subsequent 30-day System Acceptance Test. No separate payment will be made for coordinating with the utility companies or installing and integrating wireless transceivers but the cost thereof will be considered incidental to other appropriate items of work. No separate payment will be made for line of sight analysis which will be considered incidental to the integration of the wireless transceiver system. Payment will be made under: ————————————————————————————— Pay Item Pay Unit————————————————————————————— Cellular/PCS Wireless Modem Each 900 MHz Wireless Ethernet Distribution Radio Each 5.8 GHz Wireless Broadband Radio Each————————————————————————————— SECTION 808—FIBER OPTIC CABLE AND INTERCONNECT

808.01 Description

This work shall consist of furnishing and installing a fiber optic cable system in accordance with these specifications and as shown on the plans or as directed by the Engineer. All backbone fiber optic cable shall be a minimum of 96 strand single mode, unless otherwise noted in the plans. All fiber optic drop cable between cabinets and backbone cable shall be no less than 12 strand single mode, and shall be sized as shown on the plans. All underground fiber optic cable shall be installed in new or existing conduit; direct buried fiber shall not be permitted. Fiber optic cable shall not be installed with power conductors in pull boxes, vaults, or conduit.

808.02 Materials

a.Fiber Optic Cable The fiber optic cable shall be all-dielectric, dry-filled, loose-tube, dispersion-unshifted, single-mode fiber (SMF) with low water peak, gel free, and suitable for underground (i.e., in conduit) and aerial outside plant installation. All fiber optic cable shall be splice-compatible with the Department’ s existing dispersion-unshifted single-mode fiber and require no electronic equipment for dispersion compensation between new and existing fiber. All components that comprise a single length of 807.04
Source: Virginia Road and Bridge Specifications, 2020 Edition. Pages 9991009 of 1,065.