EXHIBIT B
SECTION 18.39 A: BROADBAND SPECIFICATIONS AND STANDARDS
18.39 A.1 DESCRIPTION
This work shall include furnishing all labor, materials, tools, and equipment to construct and complete in an efficient and workmanlike manner the installation of broadband infrastructure (including fiber optic cables, conduits, poles, splice cases, patch panels, vaults, and appurtenances) in accordance with the approved plans, these specifications, and the City Standard Details.
Broadband Specification and Standards shall adhere to a "dig once" policy: whenever trenches are open for other utilities, conduits shall be installed to accommodate future fiber optic deployment, minimizing future excavations in public rights-of-way (ROW). All work shall comply with FCC guidelines, NEC/NESC codes, and local permitting requirements, and shall conform to the California State Standard Specifications (2026), applicable City of Fairfield Standard Specifications and Details, and this section. The installation shall include complete and operational fiber broadband systems for traffic and broadband networks, performed in a workmanlike manner with minimal disturbance to existing infrastructure, meeting or exceeding standards applicable to telecommunications systems. Contractors shall submit a complete set of equipment and materials, including Duraline microduct, microfiber, Fiber Optic closures, splice cases, Propel panels, traffic/security camera systems, and regular OSP cables where specified, to the Engineer for approval prior to commencement. Any landscaping, irrigation, or structural improvements disturbed shall be restored to original condition or better, at the Contractor’s expense. The Contractor shall submit photographic documentation of existing conditions prior to construction and provide a log detailing noted conditions.
18.39 A.2 MATERIALS
A. Conduits
Conduits shall be rigid nonmetallic Schedule 80 PVC or HDPE Schedule 80, with a minimum inside diameter of 2 inches (or larger as specified on plans). Innerducts shall be SDR 11, orange-colored, with a pre-installed 1600 lb. minimum mule tape for pulling. For maximizing conduit capacity, MaxCell fabric innerduct (e.g., Standard or Edge series, 1-4 cells for 1-4 inch conduits, up to 300% more cables) or Dura-Line FuturePath microduct bundles (HDPE, multiple ways such as 6-way or 12- way, sizes like 12/10mm or 18/14mm, with oversheath and fill ratios per manufacturer) may be used. Conduits must be electronically locatable (e.g., with tone able duct or ground wire) and include detectable red warning tape 6-12 inches below grade. Bends shall be factory-made with a minimum 18-inch radius; no crimping allowed.
B. Fiber Optic Cables
Cables shall be single-mode, loose-tube, single-armor, single-jacket, dry-block fiber meeting Corning SMF-28 Ultra specs or equivalent: maximum attenuation ≤0.32 dB/km at 1310 nm, PMD ≤0.04 ps/√km. Cables shall follow TIA/EIA 598 color codes and be suitable for direct bury or innerduct. All reels must be factory-tested and labeled.
C. Poles and Supports
Shall comply to City Standard Specifications.
D. Splice Cases
Splice cases shall be dome-type enclosures (e.g., Tyco or equivalent), suitable for underground or aerial use, with re-enterable sealing (e.g., heat-shrink or mechanical grommets) meeting IP68 rating for water immersion. Materials: Corrosion-resistant polyethylene or stainless steel housing.
Capacity: Minimum 144-288 fiber splices, with organizer trays for fusion splices (mass fusion upon approval). Compliance: Telcordia GR-771-CORE, ANSI/TIA standards. Include grounding provisions and cable strain relief. Splices protected by heat-shrink tubing rated for fiber optic fusion.
E. Patch Panels
Patch panels shall be fiber distribution panels (FDP), rack-mountable (19-inch EIA standard), with LC connectors (APC polish). Density: 1U for 24-48 ports, 2U for 72-144 ports, modular for scalability.
Materials: Aluminum or steel housing with cable management features (e.g., rear tie-downs, vertical managers). Compliance: ANSI/TIA-568, with factory-terminated pigtails (same or higher category as cables). Patch cords: Factory pre-assembled, duplex, with bend-insensitive fiber, lengths as specified on plans.
F. Appurtenances
Ethernet switches for fiber: RuggedCom RS916P or equivalent; for copper: Actelis MetaLight. All fittings must be NSF-61 approved if near water utilities.
G. Material Specifications and Catalog
Microduct: Shall be constructed of high-density polyethylene (HDPE), UV-resistant, with a minimum inner diameter of 10 mm for traffic networks (24 count fibers) and up to 16 mm for broadband networks (up to 864 count fibers). Microducts shall have a smooth inner surface with a coefficient of friction ≤0.1 and a minimum tensile strength of 1,200 lbs. Color shall be orange for identification, with pre-installed 1,200-lb detectable pull tape and #8 AWG copper trace wire.
Link: Duraline MicroTechnology
Microfiber: Shall be CommScope LazrSPEED or TerraSPEED or approved equal single-mode fiber, compliant with ITU-T G.657.A1 or G.657.A2 standards, loose-tube, armored or dielectric as specified, with fiber counts of 24 for traffic networks and up to 864 for broadband networks. Minimum bend radius of 7.5 mm (G.657.A2) or 10 mm (G.657.A1) during installation and 5 mm post-installation, with a maximum attenuation of 0.35 dB/km at 1310 nm and 0.25 dB/km at 1550 nm.
Link: CommScope Fiber Optic Cables
Regular OSP Cables: Shall be CommScope TerraSPEED, Corning ALTOS, or equivalent single- mode fiber, compliant with ITU-T G.657.A1 or G.657.A2 standards, loose-tube, armored or dielectric, with fiber counts of 12-24 for traffic networks and up to 864 for broadband networks in congested conduits. Cables shall have a minimum tensile strength of 600 lbs, a maximum attenuation of 0.35 dB/km at 1310 nm and 0.25 dB/km at 1550 nm, and a UV- resistant polyethylene jacket.
Link: Consult manufacturer specifications for approved cables (CommScope, Corning, etc.) CommScope NOVUX Products: Shall include NOVUX Fiber Optic Closures (e.g., NOVUX FOSC series) and distribution terminals, NEMA 4-rated for outdoor use, with capacity to support up to 864 fibers for broadband networks and 24 fibers for traffic networks. Closures shall support SC/APC (broadband) or LC/UPC (traffic) connectors and include strain relief and cable management features.
Link: CommScope NOVUX Portfolio
Propel Panels: Shall be CommScope Propel high-density fiber panels, rack-mounted. Panels shall accommodate up to 144 terminations per rack unit for high-density applications, with integrated strain relief, labeling, and management rings. For traffic network applications, shall be CommScope, Corning, Levinton, or equivalent, with modular design supporting LC/UPC connectors, and panels shall accommodate up to 48 terminations per rack unit with labeling and management rings.
Link: CommScope Fiber Panels for high-density; CommScope, Corning, Levinton for traffic networks-City will provide links for traffic network panels Traffic and Security Cameras: Shall be IP-based cameras compatible with CommScope microfiber or OSP cables, supporting Power over Ethernet (PoE) or external 12-24V DC power supplies. Cameras shall have a minimum resolution of 1080p, weatherproof enclosures (NEMA 4-rated), and vandal-resistant mounts. Connectivity shall use LC/UPC connectors for integration with traffic network infrastructure. Link: Consult manufacturer specifications for compatible models (e.g., Axis Communications or Hikvision)
Connectors: LC/UPC connectors for traffic networks shall be CommScope, Corning, Levinton, or equivalent LC/UPC single-mode connectors with ≤0.3 dB insertion loss and ≥50 dB return loss. SC/APC connectors for broadband networks shall be CommScope SC/APC single-mode connectors with ≤0.3 dB insertion loss and ≥60 dB return loss. All connectors shall use factory-polished pigtails for fusion splicing.
Link: CommScope, Corning, Levinton for traffic networks; CommScope Fiber Connectors for broadband networks. City will provide links for traffic network panels.
18.39 A.3 INSTALLATION
A. General
Coordinate with Underground Services Alert (USA) for utility locates and potholing. Protect existing utilities; repair damages at Contractor’s expense. Obtain permits 20 days in advance; batch applications allowed for up to 10 sites. A mandatory pre-construction meeting shall be held with City staff and utility agencies to review scope, identify conflicts, and confirm scheduling for both traffic and broadband networks, including traffic and security camera installations and use of existing conduits. The Contractor shall provide a construction schedule and confirm material lead times for Duraline microduct, CommScope microfiber, NOVUX products, Propel panels, camera systems, and regular OSP cables. No installation may proceed until all materials are onsite. Work shall be coordinated with utility owners to avoid conflicts with existing facilities.
B. Trenching and Backfill
Shall comply to the most recent version of the City of Fairfield Standard Specifications.
C. Conduit and Cable Placement
Install conduits in common trenches with other utilities where feasible. Total bends ≤270° between pull boxes. For fiber: Use fusion splicing per splice sheet; seal ends with duct seal. Cables must be pulled with manufacturer-approved methods, no stabbing or swinging. Install in straight paths, entering cabinets frontally. For MaxCell or FuturePath, follow manufacturer guidelines for tensioning (every 10 ft binding) and lubricants to prevent waving or spiraling. In areas where existing and congested traffic conduits are utilized, space constraints may dictate the use of regular OSP cables (G.657.A1 or G.657.A2) instead of CommScope microfiber to prevent potential damage to microfiber cables. Prior to installation, the Contractor shall inspect existing conduits for suitability, ensuring they are free of obstructions and compatible with OSP cable installation.
Existing conduits shall be cleaned and mandrel tested prior to OSP cable installation. OSP cables shall be installed without exceeding the manufacturer’s maximum pulling tension, with pull forces documented and submitted to the Engineer. Where OSP cables are used, the Contractor shall ensure compatibility with LC/UPC connectors for traffic networks and SC/APC connectors for broadband networks at termination points.
D. Microduct and Conduit Installation for Traffic and Broadband Networks All new microducts shall be Duraline microduct, with a minimum diameter suitable for CommScope microfiber (12-24 count, G.657.A1 or G.657.A2) to support traffic and security camera connectivity, and up to 16 mm for broadband networks (up to 864 count fibers) based on service delivery requirements. Where existing and congested conduits are used, regular OSP cables (G.657.A1 or G.657.A2) may be installed as per subsection C. Microducts and conduits shall be installed to a depth of 42” below finished grade for road crossings, 24” below finished grade for landscaped areas, and 12” below finished grade for sidewalks.
Microducts and conduits shall be installed via directional bore unless otherwise specified or approved and shall contain a 1,200-lb detectable pull tape with footage markers and a #8 AWG copper trace wire. Microducts and conduits shall be cleaned and mandrel tested prior to microfiber or OSP cable installation.
E. Vaults and Covers
Vaults shall be Channell BULK 4 Series, Hubbell Pencell, or equivalent, HDPE body with straight wall and ribbed sidewall design to secure backfill and eliminate deflection. Sidewalk vaults shall be rated Tier 22 (33,750 lbf/150 kN), with a minimum size of 35.5” x 28.75” x 24” or 36” depth (610 mm or 914 mm), and larger sizes (e.g., 30” x 48” x 36”) as needed for broadband networks with high fiber counts (up to 864). Vaults for street installations (e.g., 2, 3, and other streets) shall use round ring and cover systems, rated Tier 22. Vaults shall be installed flush with final grade and include a 12” wide concrete collar. Lids shall be composite (33,750 lbf/150 kN) or ductile iron with composite ring (56,200 lbf/250 kN), with anti-slip tread, anti-trip design, non-seizing bolt system, and labeled “Fiber Optic” with “City of Fairfield.” Placement will be in Public Right of Way or City owned properties.
F. Microfiber and OSP Cable Installation for Traffic and Broadband Networks Fiber optic cable shall be CommScope microfiber or regular OSP cables, single-mode, compliant with ITU-T G.657.A1 or G.657.A2 standards, loose-tube, armored or dielectric, with 12-24 count fibers for traffic networks to support traffic and security camera systems, and fiber counts ranging from 12 to 864 for broadband networks depending on service delivery needs (e.g., residential, commercial, or institutional connectivity requirements). The Contractor shall select appropriate fiber counts based on project plans and anticipated bandwidth demands, with higher counts (e.g., 144, 288, 432, 576, or 864) used in high- density service areas or backbone routes. Cables shall be installed without exceeding manufacturer’s maximum pulling tension, with special care taken for high-count cables to prevent stress or damage. A minimum of 50 feet of slack shall be provided at each termination location and 20 feet in vaults, with additional slack as needed for high-count cables to facilitate future splicing or reconfiguration. No splicing shall occur unless explicitly shown on plans or directed by the Engineer.
G. Traffic and Security Camera Installation
Traffic and security cameras shall be installed at locations specified in the plans, integrated with the fiber broadband infrastructure to ensure reliable data transmission. Cameras shall be IP-based, compatible with CommScope microfiber or OSP cables (G.657.A1 or G.657.A2), supporting Power over Ethernet (PoE) or external 12-24V DC power supplies, with a minimum resolution of 1080p, weatherproof enclosures (NEMA 4-rated), and vandal- resistant mounts. Connectivity shall use LC/UPC connectors for integration with traffic network infrastructure. The Contractor shall verify camera alignment and field of view during installation, coordinating with City staff for optimal placement.
H. Poles
Set poles plumb on foundations; align with existing streetlights/trees (min. 15 ft from trees). Submit as-built drawings weekly, including alignments and variances.
I. Coordination and Safety
Reserve space in trenches/poles for City use. No work in historic areas without review. Maintain positive air changes in telecom rooms (18-24°C, 30-55% humidity). Comply with OSHA for excavations; notify Engineer 48 hours before boring.
18.A.4 TESTING
All fiber optic cables shall be tested in accordance with ANSI/TIA-526-7, ITU-T G.652.D, and these specifications. Testing shall include pre-installation (reel) and post-installation phases. The Contractor shall provide calibrated equipment and notify the City Engineer at least 3 business days in advance of testing. The city may observe tests.
A. Methods and Equipment
Use an Optical Time Domain Reflectometer (OTDR) for measuring continuity, length, anomalies, attenuation, and splice losses. OTDR shall have event dead zone ≤1 m, attenuation dead zone ≤5 m, dynamic range ≥38 dB, and be calibrated annually (certification required).
Use optical power meters (OPM) and stabilized light sources for end-to-end insertion loss testing. Equipment shall test at 1310 nm and 1550 nm wavelengths. All tests shall be bi-directional, except for un-terminated fibers (uni-directional from terminated end). Use launch cables ≥150% of OTDR dead zone.
B. Testing Procedures
Pre-Installation (Reel Test): Test each fiber on the reel using OTDR at one wavelength (1310 nm) for continuity, length, anomalies, and attenuation. Compare to manufacturer’s data; reject reels exceeding specs.
Post-Installation (Final Test): After splicing and termination, perform bi-directional OTDR and power meter tests on all fibers. Test for continuity (no crossed fibers), attenuation, and splice/connector losses. Verify one-to-one continuity with visual inspection of fiber colors.
C. Acceptance Criteria
Fiber Attenuation: ≤0.35 dB/km at 1310 nm; ≤0.25 dB/km at 1550 nm. Splice Loss: ≤0.05 dB (fusion splicer measurement); ≤0.15 dB (bi-directional OTDR average). Connector Loss: ≤0.50 dB (bi-directional).
Total Link Loss: Calculated as (fiber length x attenuation) + (splice count x splice loss) + (connector count x connector loss); must not exceed design values. Up to three splice attempts allowed; failures require re-splicing at Contractor's expense.
D. Cable Termination and Testing for Traffic and Broadband Networks Fiber termination for traffic networks and camera systems shall use LC/UPC connectors with factory-polished pigtails fusion spliced to trunk fibers, and for broadband networks shall use SC/APC connectors with sufficient termination capacity to support up to 864 fibers where required. Contractor shall perform OTDR and light source/power meter testing at 1310 and 1550 nm for all fibers, including those connected to cameras. Test results shall be submitted in both printed and electronic formats, labeled by location, fiber ID, and camera ID or service area designation where applicable. For high-count cables (e.g., 144–864 fibers), testing shall include verification of all active fibers and a representative sample of spare fibers to ensure performance across the cable.
Parameter Wavelength Threshold
Fiber Attenuation 1310 nm ≤0.35 dB/km
Fiber Attenuation 1550 nm ≤0.25 dB/km
Splice Loss (Fusion) 1310 single
mode
≤0.15 dB (bi-dir avg)
Connector Loss 1310 single
mode
≤0.50 dB
Event Dead Zone (OTDR) N/A ≤1 m
E. Documentation and Submittals
Submit electronic OTDR traces (.trc for uni-directional, .bdr for bi-directional) and power meter results in PDF format, including cable ID, fiber ID, wavelengths, losses, locations, date, operator, and equipment settings. Provide viewing software license to City at no cost. Include as-built drawings with test results, splice locations, and GPS coordinates, showing microduct and conduit routing, vault and splice locations, microfiber and OSP cable strands used (including fiber counts up to 864 for broadband, all G.657.A1 or G.657.A2), and traffic/security camera locations for both traffic and broadband networks. As-builts must be provided in both CAD and PDF formats, with clear notation of fiber counts and service areas for broadband networks.
18.39 A.5 MEASUREMENT AND PAYMENT
Broadband infrastructure shall be measured by the lineal foot for conduits/cables (from center of pull box to pull box, parallel to grade) or per each for poles/boxes/vaults/splice cases/patch panels.
Payment at contract unit price includes all labor, materials, excavation, backfill, testing, and incidentals. Full compensation for "dig once" coordination and permits is included, no additional payment for delays from utility conflicts. Fiber broadband infrastructure for both traffic and broadband networks shall be measured and paid by the following units: microduct and conduit installation per linear foot, vaults (Channell BULK 4 Series, Hubbell Pencell or round ring and cover) per unit, microfiber and OSP cable per linear foot, termination and testing per terminated strand, and traffic and security cameras per unit. Payment shall include all labor, materials, equipment, testing, and incidentals necessary to complete the installation as shown on plans and specified herein.
All fiber broadband work materials, equipment, and appurtenances furnished under these specifications shall be subject to the warranty and guarantees per the City of Fairfield Standard Specifications. Where a specific warranty period is not otherwise stated, the minimum warranty period shall be (1) year from City acceptance, and all applicable manufacturer warranties shall be assigned to the City.