Appendix_A_Telecom.pdf

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Appendix A: TELECOMMUNICATIONS

Census Bureau Cabling Statement of Work

The contractor is required to provide all labor, equipment, materials and supplies to provide, install, test, label and make operational voice and data cabling.

Refer to provided plan for locations of voice and data terminations. Contractor to ensure existing cables are CAT5E minimum, and test. These cables currently terminate on a Patch Panel in the IDF. If existing cables do not meet the minimum requirement, replace with CAT6. In locations where new data and voice are required, provide and install CAT6 cables. Terminate data cables on a new patch panel on existing rack in server room. Terminate the voice cable on existing 110 blocks in the IDF.

A Telecommunications Server Cabinet rack is currently located in the server room. The contractor shall reuse existing rack.

PERFORMANCE REQUIREMENTS

FIBER. Contractor shall purchase and install armored 12 strand 50um fiber from the building MDF to the Census IDF and terminate in the Government provided server cabinet. Contractor shall purchase and install both LIU’s and terminate all 12 strands with LC connectors.

CAT 5E. Cable run outside of conduit shall be plenum-rated. Run all cables above ceiling for the furniture unless otherwise noted on the floor plan.

a) Installed Unshielded Twisted Pair (UTP) cable shall meet all the specifications for the CAT 5E standards as described by the EIA/TIA. All termination points shall meet the EIA/TIA 568B Level II standards, which include all patch panels and connectors.

b) Cables shall be neatly routed and tied at all cabinets and patch panels, and shall be dressed in a functional and organized fashion, observing bend radius requirements at all times. Use “J” hooks where conduit/trays are unavailable.

c) Terminate cables on existing/new faceplates on the wall and label in an identical fashion as existing.

d) Terminate voice cables on existing 110 blocks in the telecom room shown on the drawings.

LABELING. Label cables and jacks with printed labels, not handwritten labels. Follow the existing labeling convention at the rack. Label the corresponding drop location to identify the wiring network and match the identification at the rack.

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TESTING/CERTIFICATION DOCUMENTATION

a) Test and certify cable drops to EIA/TIA installation standards for CAT 5E Cable. At a minimum, these certifications tests will include the following for all cable pairs: Length (in FEET), Delay, Impedance, Resistance, Capacitance, Attenuation, ACR, Near End Cross Talk (NEXT), and Far End Cross Talk (FEXT). Provide testing and certification results to the government.

b) Update “as built” drawings with drop numbers and locations. Indicate the location of any new backbone, tie cables, conduit location and data closet locations.