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For all loose-tube optical fibers, furnish and install fan-out kits using
furcating tubes for connectorization. Loose-tube optical fiber furcating
tubes shall incorporate strain relief if the connectorization is not
contained within a protective enclosure such as a patch panel. For
tight-buffered optical fibers, furnish and install fan-out kits using
furcating tubes and which incorporate strain relief, if the
connectorization is not contained within a protective enclosure such as a
patch panel. Furcating tubes required to incorporate strain relief shall
provide increased pullout protection and shall be comprised of an inner
tube, surrounded by a layer of nonconductive strength members, then
surrounded by an enclosing outer jacket layer. [Fan-out kits shall be
color coded to match the industry fiber color scheme.] Length of furcating
tube shall be [610] [915] mm [24] [36] inches minimum when installation is
complete. Fan-out kits shall be rated for the ambient conditions of the
location in which installed as specified in paragraph Environmental
Requirements. Provide terminations for each fiber, regardless whether
fiber is active or spare.
PART 3
EXECUTION
3.1
INSTALLATION
System components and appurtenances shall be installed in accordance with
the manufacturer's instructions and as shown. Interconnections, services,
and adjustments required for a complete and operable data transmission
system shall be provided.
3.1.1
Interior Work
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NOTE: DTS cable should not be used for, or routed
through, Sensitive Compartmented Information
Facilities (SCIFs). The designer will not show any
DTS cable routed through a SCIF. The designer
should check DCID 1/21 for further direction.
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Conduits, tubing and cable trays for interior FO cable shall be installed
as specified in Section 16402 INTERIOR DISTRIBUTION SYSTEM and as shown.
Cable installation and applications shall meet the requirements of NFPA 70,
Article 770, Sections 52 and 53. Cables not installed in conduits or
wireways shall be properly supported, secured, and neat in appearance, and
if installed in plenums or other spaces used for environmental air, shall
comply with NFPA 70 requirements for this type of installation.
3.1.2
Exterior Work, Aerial
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NOTE: Aerial cable should be installed on existing
poles where height, clearance, and structure loading
allow addition of cables. Where this is not
possible, requirements for new poles must be shown
on drawings. Installations will comply with IEEE C2
for Grade B construction and NFPA 70. Designer must
coordinate with facility personnel for ground
clearance and establish clearances to be shown on
the drawings.
SECTION 16768A
Page 31
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