- RACEWAYS
- CONDUIT
- Conduit shall be metallic and run in the most practical direct
route.
- Conduit sections shall be no more than 90 feet.
- Conduit runs for more than 90 feet, or with bends totaling more than
180 degrees, shall require a pull box.
- All connectors and couplings shall be the compression type, screw type
connectors and couplings shall not be allowed.
- All offsets shall be rated equivalent to a 90 degree
bend.
- Conduit bends will be standard ten times the outside diameter of
conduit unless otherwise approved by UIC Telecommunications Engineering
& Design.
- Conduits entering the IDF's and FDF's through the wall shall
be reamed, bushed with grounding bushings, grounded, and terminated not
more than four inches from the entrance wall.
- Conduits entering the IDF's and FDF's from below, shall be
reamed, bushed with grounding bushings, grounded, and terminated not more
than four inches or less than 3" above the finished floor.
- Riser conduit runs for distribution cables shall be not less than
three inches trade size. They shall be equipped with a 3/8" nylon or
larger pull line rated two hundred pounds test (minimum).
- In multi-level structures, where FDF closets are designed so they are
stacked one above the other, a minimum of three 4 inch conduits will
connect the closets. These conduits must be threaded and capped at both
ends. Conduit in the closet below should extend only far enough below the
ceiling to permit installation of a bushing and cap. In the closet above
the conduit should extend a minimum of three inches but less than 4 inches
above the finished floor.
- Conduit entering the FDF spaces from the station outlets shall
penetrate the closet walls at a height above the plywood panels and extend
only far enough to install connectors with grounding bushings having
plastic collars.
- Allowable fill capacity will be in accordance with UIC
Telecommunications General Specifications and applicable
codes.
- Conduit runs for horizontal distribution cables, utilizing the trapeze
hanger method to support the conduits, shall utilize threaded rods of
not less than 3/8" inch diameter.
- All conduit runs for information outlets shall not be less than one
inch trade size. They must be equipped with a plastic or nylon pull line
that is rated at least two hundred pounds test.
- After installation all conduits shall be:
- Clean, dry, and unobstructed.
- Capped for protection.
- Labeled for identification.
- All walls that are penetrated MUST be fire stopped and shall comply
with all applicable codes.
- CABLE TRAYS
- Solid bottom and side cable tray is the required raceway method.
Ladder type bottom or ladder rack shall be used within the
telecommunication rooms and closets only!
- All cable tray must be approved by UIC Telecommunications Engineering
& Design prior to their inclusion in drawings and
specifications.
- Cable trays shall be sized for a minimum growth of fifty
percent.
- A eight inch space on both sides and a six inch space above the cable
tray must be left clear for access to the tray. The cable tray MUST be
accessible from below the ceiling.
- Cable tray must be placed within a maximum of 24" above the finished
ceiling height as measured to the top of the cable tray.
- Conduits shall NOT be run parallel with the cable tray within the
spaces defined in VII.B.4, this includes this same area below the tray to
the ceiling height. The cable tray MUST be accessible from below the
ceiling.
- PULL BOXES AND SPLICE BOXES
- All pull and splice boxes shall be placed in a straight section of
conduit. A box must not be used in lieu of a bend.
- Align the corresponding conduits at each end of the box with each
other.
- Provide boxes with a suitable marked and, if possible, hinged
cover.
- In a non-accessible ceiling a hinged access panel shall be provided in
the ceiling directly below all pull or splice boxes.
- Provide a secured 3/4" plywood backboard in all splice
boxes.
- All boxes shall be properly and adequately secured. They are not to be
supported by the conduits entering the box.
- Install pull and splice boxes in easily accessible locations.
- Install boxes for station cabling immediately above the suspended
ceiling.
- Riser system cables and outlet jack distribution cables cannot share
the same conduit system or pull/junction boxes
- All Telecommunications Outlet Boxes shall be a minimum of 2 1/8 inches
deep.
- HANGERS AND SUPPORTS
- Support and align cabinets, boxes, raceways, fixtures, etc., in an
approved workmanlike manner.
- Support raceways on approved types of wall brackets or trapeze
hangers. Plumbers perforated straps are not permitted as a means of
support.
- Brackets or hangers shall be manufactured by Kindorf, Unistrut,
B-line, or UIC Telecommunications Engineering & Design approved
alternatives.
- Conduits and equipment shall be independently supported, free from any
other mechanical system.
- Supporting methods approved by UIC Telecommunications Engineering
& Design are as follows:
- Toggle bolts in hollow masonry.
- Expansion bolts in concrete
- Wood screws or bolts in wood.
- Machine screws or bolts in metal surfaces.
- Use of powder powered (shot) anchor's is prohibited.
- Where outlets are installed in steel stud type systems, provide
additional cross bracing and/or straps to make the outlet completely rigid
prior to application of the wall facing material.
- Conduit and cable tray support systems shall be securely and
adequatelyinstalled to preclude movement of conduit and cable tray during
pulling operations.
- Telecommunication outlet boxes shall NOT be placed back to back with
another telecommunication outlet box or any other box.
- WIREMOLD
- 2100 Wiremold and its associated fittings shall be the minimum size
surface mounted raceway used.
- 2144 Wiremold boxes shall be the minimum depth boxes
used.
- Ninety degree Wiremold fittings shall not be used with category 5 or
fiber optic cabling.
- Any fitting that will not insure the minimum bending radius of the
category five cable must not be used.
- Wiremold fittings that are manufactured to meet the category five
requirements may be used.
- In cases where wiremold must be used, fittings can be field modified
to meet the category five requirements with the permission and approval of
UIC ACCC Telecommunication Engineering & Design.
- 2151 Wiremold extension ring is acceptable when tapping off an
existing junction box.
- Wiremold boxes for jacks shall be mounted
vertically.
- IN FLOOR RACEWAYS
- This type of raceway shall not be used in new construction unless
designed specifically to meet the bend radius requirements of category
five and fiber optic cabling.
- In the case of existing in floor raceways, the raceway may be used as
long as the following rules are applied:
- This type of raceway shall not be used in new construction unless
designed specifically to meet the bend radius requirements of category
five and fiber optic cabling.
- Extreme care must be taken when pulling the cable.
- The bend radius of the cable is must be maintained.
- Assure that excessive force is not used to pull cable.
- Telecommunication outlet boxes, nipples, and reducing bushings shall
be installed after cable is pulled.
- Extreme care must be taken not to twist the cables at the in-floor
junction boxes.
- MODULAR FURNITURE
- In order to support category five cabling, modular furniture shall
contain the following elements:
- Have metal raceways large enough to easily accommodate all
telecommunications and electrical wiring needed.
- The telecommunications wiring and the electrical wiring must not share
the same raceway. This is accomplished by installing the electrical wiring
in greenfield. The telecommunication cables may be run in the raceway
open, but may not be fastened to the greenfield.
- The furniture shall contain both horizontal and vertical
raceways.
- Vertical raceways, to match the furniture, must be available to extend
the raceways into the ceiling.
- Fittings must be available to connect other forms of raceway to the
furniture (For example, connecting conduit to the furniture
raceway).
- The snap on covers at the base must contain knockouts for standard
single gang openings.
- GREENFIELD
- The smallest trade size greenfield allowed shall be three-quarter
inch.
- All connectors must insure that the bend radius of the category 5 and
fiber optic cable will be strictly adhered to.
- INSPECTION
- UIC Telecommunications Engineering Department must be given 24 hour
notice to inspect telecommunications raceways in walls and ceilings prior
to their enclosure.
- The cabling may not be installed in the raceways prior to raceway
inspection by UIC Telecommunications Engineering &
Design.
- UIC Telecommunications Engineering & Design must be
notified at least 24 hours prior to beginning cable
terminations.
- Upon notification of job/project completion, the UIC
Telecommunications Engineering & Design will make a walk thru
inspection with the installation contractor. A punch list will be
generated at this time. All items on this punch list shall be rectified
before a final inspection and acceptance of the job/project.
- When telecommunications conduits are to be encased in concrete, UIC
Telecommunications Engineering & Design must be notified two working
days prior to beginning the installation. A UIC Telecommunications
Engineering & Design representative is to be present at the
installation.
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