Atmendment 3 -27 13 23 - COMMUNICATIONS OPTICAL FIBER BACKBONE CABLING - Amended 2-18-2026.pdf

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Attached to
648-23-100 CON Fire Alarm to Voice Federal contract opportunity
Solicitation number
648-23-100
Issued by
Department of Veterans Affairs Veterans Health Administration Veterans Integrated Service Network 20

About this file

This is a specification section for communications optical fiber backbone cabling for the Upgrade Vancouver Fire Alarm to Voice project at Vancouver VA Medical Center (Project No. 648-23-100), part of 100% construction documents revised February 18, 2026.

The specification requires single mode optical fiber backbone cables for inside and outside plant use, including campus backbone applications for interbuilding and intrabuilding connections. Performance category OS2 is specified for inside plant applications, with inside/outside rated OS2 for pathways transiting outside plant. All fiber optic backbone media must pass Tier 1 testing requirements (attenuation using Optical Loss Test Set, cable length verification, and polarity confirmation) and Tier 2 requirements (characterization using Optical Time Domain Reflectometer showing cable attenuation uniformity and connector insertion loss). Testing equipment must be calibrated within twelve months, and fiber optic terminations and testing must be performed by a BICSI certified Technician level 1 in good standing or equivalent manufacturer-certified personnel. Test reports must be submitted using the testing manufacturer's test report software with a read-only copy provided. Fiber termination will be field-terminated using fusion splicing for connections between the computer room and telecommunications rooms. Cable jacket color shall be yellow for ISP and black for indoor/outdoor plenum-rated applications. Cables must be Optical Fiber Nonconductive Plenum (OFNP) rated if any portion passes through an NEC-defined plenum, or Optical Fiber Nonconductive Riser (OFNR) rated for all other applications. Cables shall be constructed in bundles of six-strand subunits, dielectric and tight-buffered for OS1, and loose-tube gel-filled for OS2. All cabling and equipment must be labeled per VA Infrastructure Standards for Telecommunications Spaces and installed in overhead cable tray and fiber raceway systems.

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Text version

VHAPORHCS

Vancouver, WA

100% Construction Documents

Revised 02/18/2026

Upgrade Vancouver Fire Alarm to Voice

– Vancouver, WA

Vancouver VA Medical Center

Project No. 648-23-100

27 13 23 - 1 of 2

COMMUNICATIONS OPTICAL FIBER BACKBONE

CABLING

SECTION 27 13 23

COMMUNICATIONS OPTICAL FIBER BACKBONE CABLING

PART 1 - GENERAL

1.1 DESCRIPTION:

This section specifies requirements for telecommunications optical fiber backbone cabling.

1.2 SUMMARY

Section Includes:

A. Multimode Optical Fiber Backbone Cables.

B. Single Mode Optical Fiber Backbone Cables.

C. Hybrid Optical Fiber Backbone Cables.

1.3 REFERENCES

A. VA Infrastructure Standard for Telecommunications Spaces.

1.4 SUBMITTALS:

A. Submit in accordance with Section 01 00 00, GENERAL REQUIREMENTS.

PART 2 - PRODUCTS

2.1 MULTIMODE OPTICAL FIBER BACKBONE CABLES.

NOT USED

2.2 SINGLE MODE OPTICAL FIBER BACKBONE CABLES.

Single mode fiber optic backbone cables are specified for inside and outside plant use, for campus backbone (interbuilding and intrabuilding) use.

A. Performance Category. OS2 is specified for inside plant applications.

Inside/outside rated OS2 is specified for applications where the pathway transits an outside plant path.

B. Testing. All fiber optic backbone media shall pass all Tier 1 requirements (attenuation with an Optical Loss Test Set or OLTS, verification of cable length and polarity) and all Tier 2 requirements

(characterization by an Optical Time Domain Reflectometer or OTDR resulting in indication of the uniformity of cable attenuation and connector insertion loss).

1. The OTDR and OLTS shall have been calibrated within the last 12 months.

2. Fiber Optic Terminations and Testing shall be performed by a BICSI certified Technician level 1 currently in good standing with BICSI or a equivalent manufacturer certification jpace Line jpace Line jpace Line jpace Line jpace Line jpace Typewritten Text

VHAPORHCS

Vancouver, WA

100% Construction Documents

Revised 02/18/2026

Upgrade Vancouver Fire Alarm to Voice

– Vancouver, WA

Vancouver VA Medical Center

Project No. 648-23-100

27 13 23 - 2 of 2

COMMUNICATIONS OPTICAL FIBER BACKBONE

CABLING

3. Test reports shall be submitted using testing manufacturer's test report software, with a read only copy provide.

C. Termination. Fiber will be field terminated (fusion spliced) when used to connect the computer room to Telecommunications Rooms (TRs) and other telecommunications spaces.

D. Jacket Color Yellow for ISP, Black for indoor/outdoor Plenum rated.

E. Jacket Rating. Communications Multipurpose Cable, Plenum (CMP) shall be specified if any portion of the cable passes through an NEC-defined plenum. Communications Multipurpose Cable, Riser (CMR) shall be specified for all other applications. CMP may be used as a substitute for CMR.

F. Bundling and Construction. Bundles consisting of multiples of sub-bundles (subunits) of 6 strands of fiber are specified. Cables shall be dielectric and tight-buffered for OS1, and loose-tube gel-filled for OS2.

PART 3 - EXECUTION

3.1 IMPLEMENTATION.

A. A. All cabling and equipment shall be labeled per the requirements of the VA Infrastructure Standard for Telecommunications Spaces.

B. Interior to telecommunications spaces, install fiber optic backbone cabling in overhead cable tray and fiber raceway systems.

---END---

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OFNP

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OFNR

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