Section 17801
MULTIMODE FIBER OPTIC CABLE
PART 1 - GENERAL
1.1 THE REQUIREMENT
A. The Contractor shall provide and
install fiber optic cable and fiber optic components complete and
operable, in accordance with the Contract Documents.
B. The requirements of Section 17000,
General Instrumentation and Control Requirements apply to this
Section.
C. Due to the complexities
associated with fiber optic cable, it is the intent of
these specifications that the Instrumentation Supplier be responsible
to the Contractor for the installation of the fiber optic cable.
The Instrumentation Supplier shall submit on the experience of the
instrumentation supplier to demonstrate that the Instrumentation
Supplier meets the following minimum criteria:
1. Submit documentation of
proof to show that the persons responsible for the installation of
the fiber optic cable have been formally trained in the installation
of fiber optic cable and have a minimum of three years of experience
in the installation of fiber optic cables.
2. In addition, list the
following information of the experience of the fiber optic
installation technicians:
a. Name of plant, owner,
contact name and telephone number of at least three projects where
fiber optic cable was installed.
b. Type of equipment
installed: manufacturer and model numbers. c. Date of
completion or acceptance.
1.2 CONTRACTOR SUBMITTALS
A. Shop drawings shall be submitted in
accordance with the requirements of Section 01300 and Section 17000.
PART 2 - PRODUCTS
2.1 FIBER OPTIC CABLE
A. Industrial grade, water
resistant optic fiber, coated with a suitable material to preserve
the intrinsic strength of the glass, suitable for outdoor
installation in conduits which are encased or in cable trays.
B. Cable of all dielectric
construction. C. Riser-rated, UL OFNR.
D.
Multi-mode, graded index, solid glass wave guides with the following
characteristics:
1. Fibers: Minimum 12 Fiber
2. Nominal Core Diameter:
62.5 microns
3. Minimum Ellipicity: 2.0
percent
4. Outside Clad Diameter:
125.0 microns
5. Maximum Numerical Aperture
(NA): 0.275
6. Maximum Attenuation
(1,300): 1.2 dB/Km
E. Each fiber continuous with
no factory splices. F. Loose tube.
G. FDDI compatible and meets
the requirements of ANSI X3T9.5 for FDDI cable. H.
Construction
1. Loose Tube Cable: Dielectric
strength members shall have not preferential bend and require no
bonding or grounding. Cable shall have a medium density PE jacket.
2. Tight Buffer Cable: Cable shall be
multifiber utilizing 900 mm tight-buffered fibers surrounded by
dielectric strength members with a flame-retardant outer jacket.
I. Maximum short-term tensile
load: 1400 lbs. J. Maximum long-term tensile load: 600 lbs.
K. Type: Siecor type 012
KS4-14130A20-12.
L. The fiber fan out kits used
for terminations shall be Siecor FAN-OD25-12.
2.2 FIBER OPTIC PATCH PANELS
A. General: Patch panels shall
be provided by the Contractor.
B. Each patch panel shall accommodate
optical fibers as shown on drawings, and shall have hinged lockable
doors.
C. Fiber adapters shall be
SC/UniCam type, Siecor part number 95-000-41, in all locations. D.
All fibers shall be connected and labeled.
E. Provide patch cords to connect the
fibers from the fiber patch panels to the switches and to
interconnect fibers within the patch panels. Patch cords
shall be type Siecor
575702K141XXXF (xxx=length in feet).
F. Type: Siecor EDC-06P-NH
with Siecor CCH-CP12-91 panels.
2.3
NETWORK SWITCHES / MEDIA CONVERTER
A. General: A network switches shall
be provided by the Contractor for the purpose of connecting new PLC /
HMI nodes to the network. The switches also provide additional
network ports for portable computers. Switches shall be provided with
a minimum of 4@ RJ-45 ports and 2@ multimode fiber ports (ST
Connectors).
B. Contractor shall provide AC
to 24VDC, 2A power supply when 24VDC is not available.
Unit shall be Sixnet ET-PS-024-2.
C. The units shall be Sixnet,
part numbers: SLX-6ES-4ST.
PART 3 – PRODUCTS
3.1 EQUIPMENT, MATERIALS AND
WORKMANSHIP
A. General: It is the intent of these
Contract Documents to secure high quality in all equipment and
materials, and to require first class workmanship, in order to assure
long, trouble-free operation and minimum maintenance of the installed
components.
B. Equipment and materials shall be the
products of reputable, experienced manufacturers with a verifiable
history of manufacturing similar equipment. Similar items in the
project shall be the products of the same manufacturer. All
equipment shall be of industrial grade and standard construction,
shall be of sturdy design and manufacture, and shall be capable of
long, reliable, trouble-free service.
C. All work, including installation,
calibration, testing, adjustment, start-up and maintenance, shall be
done by qualified experienced personnel who are technically skilled
in their trade, are thoroughly instructed, and are competently
supervised. The resulting completed installation shall reflect
professional quality work, employing the highest industrial standards
and methods.
D. The fiber optic cable shall be
installed without field splices. Cable shall be run
continuously between connection centers. All conduit runs shall be
installed as not to exceed the minimum bending radius of the fiber
optic cable as defined by the cable manufacturer.
3.2 TESTING OF FIBER OPTIC CABLE
INSTALLATION
A. Acceptance Testing: The Contractor
shall perform post-installation fiber optic cable acceptance tests of
all cable installed under this Contract. The Owner shall be notified
a minimum of 5 days in advance so they may have the opportunity to
witness the tests. The tests shall measure a total attenuation or
loss for each fiber on each cable reel. Document results of
physical inspections to identify any cable and reel damage
conditions, less or more than the specified fibers in the cable, and
any deviations from the manufacturers’ specifications.
B. A
recording optical time domain refractometer (OTDR) shall be utilized
to test for end-to- end continuity and attenuation of each optical
fiber. The OTDR shall be equipped with an
850 nm light source for the multi mode
fiber (MMF). The OTDR shall have an X-Y plotter to provide a hard
copy record of each test measurement. The OTDR shall be equipped
with sufficient internal masking to allow the entire cable section to
be tested. This may be achieved by using an optical fiber pigtail of
sufficient length to display the required cable section.
C. The OTDR shall be calibrated for the
correct index of refraction to provide proper length measurement for
the known length of reference fiber.
D. A transmission test shall be
performed with the use of an 850 nm stabilized light source and 850
nm power meter. This test shall be conducted in both directions on
each fiber of each cable.
3.3 INSTALLATION SERVICES
A. General: The Contractor shall
install, test, and provide complete test reports for all network
hardware and software furnished under these specifications.
B. Installation Coordination: The
Contractor shall coordinate all installation and testing with the
Owner. No site work shall be done without a minimum of three (3)
working day's notice.
C. Sequence of Work: The Contractor
shall coordinate the sequence of work with the Owner. Existing
conduit schedules will be made available to the Contractor
upon request.
END OF SECTION
No comments:
Post a Comment