Section 27 02 00 - Data/Voice Cabling

Section 27 02 00 - Data/Voice Cabling

SECTION 27 02 00 - DATA/VOICE CABLING

PART 1 – GENERAL

1.1RELATED DOCUMENTS

  1. The requirements of Section 27 01 00 govern the work specified in this section.

PART 2 – PRODUCTS

2.1UNSHIELDED TWISTED PAIR CABLE

A.UTP 4-pair Plenum-rated Cable for voice data and wireless: Category 6 Cable, Blue colored jacket for voice and data and yellow colored jacket for wireless. Cable must meet or exceed ANSI/TIA/EIA 568B.2-1 standards.

  1. All cable shall conform to the requirements for communications circuits defined by the National Electrical Code (Article 800). Cable listed to NEC Article 800-51(a) will be used for “Plenum” installations.
  1. CommScope – Ultra Media #7504
  2. Panduit – PUP6004TL-U/N
  3. Hubbell Premise Wiring - #C6RPGY (blue), #C6RPY (yellow)
  1. UTP 4-pair Outside Plant Cable: Category 6, must meet or exceed ANSI/TIA/EIA 568B.2-1 standards.
  1. All cable shall conform to the requirements for communications circuits defined by the National Electrical Code (Article 800).
  1. CommScope – Outdoor, #6NF4, or equal
  1. High pair count UTP Plenum-rated Cable: Category 3, must meet or exceedANSI/TIA/EIA 568A standards.
  1. General Cable 25 pair, #2131505, or equal
  2. General Cable 50 pair, #2131757, or equal
  1. High pair count UTP OSP Cable: Category 3, must meet or exceed ANSI/TIA/EIA 568 A standards
  1. General Cable 25 pair, #7525785, or equal
  2. General Cable 50 pair, #7525793, or equal

2.2OPTICAL FIBER CABLE

A.Optical Fiber Cable for distances up to 300 meters: Must meet or exceed ANSI/TIA/EIA-568-B.3.

  1. Plenum-rated Tight-Buffered Cable, 12-strand, Multi-Mode, 10G, 50/125 um, Aqua, jacket constructed with aluminum interlocking armor, NEC/CEC compliant (OFCP listed).
  1. CommScope – #P-012-DZ-5L-FSUAQ, or equal
  2. Corning - #012S88-33180-A3
  1. Optical Indoor/Outdoor Plenum-rated Tight-Buffered Cable, 12-strand, 10G, 50/125 um, Aqua, NEC/CEC compliant.
  1. CommScope – #P-012-LZ-5L-F12BK with interlocking armor and P-012-LN-5L-F12BK without interlocking armor (inner duct will be used in lieu), or equal
  2. Corning - #012S8P-31180-A3 with interlocking armor.
  1. Optical Outdoor Fiber Cable, 12-strand, 10G, 50/125 um, Loose Tube-GEL FILLED, NEC/CEC compliant.
  1. CommScope – #D-012-LN-5L-F12NS with interlocking armor, or equal
  2. Corning - #012SSF-T4180DA1 with interlocking armor.

2.3CONNECTORS AND JACKS

A.Optical Fiber ST connectors

  1. Corning 95-050-51-X, or equal
  2. CommScope Uniprise SFC-STQ-09

B.UTP CAT 6 jacks – all products must be rated CAT 6 with T568-B pin out.

  1. Panduit
  1. Data jacks – blue - #CJ688TPBU
  2. Voice jacks – green - #CJ688TPGR
  1. CommScope Uniprise
  1. Data jacks – blue - #UNJ600-BL
  2. Voice jack – green - #UNJ600-GR
  1. Hubbell
  1. Data jacks – blue – #HXJ6B25, #HXJ6B
  2. Voice jacks – green - #HXJ6GN25, #HXJ6GN

2.4Faceplates for recessed applications

A.Panduit

1.2 Port-#CFPE2IW

2.4 Port-#CFPE4IW

3.6 Port-#CFPE6IW

B.Commscope Uniprise

1.2 Port – #UNF-D-2P-CM

2.3 Port – #UNF-D-3P-CM

3.4 Port - #UNF-D-4P-CM

4.6 Port - #UNF-D-6P-CM

C.Hubbell

1.2 Port – #IFP12OW

2.3 Port – #IFP13OW

3.4 Port – #IFP14OW

4.6 Port – #IFP16OW

2.5Faceplates for Wiremold 700 and Wiremold 2100 applications

A.Panduit - #CFPSE4IW, or equal

B.Hubbell Premise Wiring - #DFIAL, #DFA2KAL (2)

2.6Faceplates for 4000 Wiremold applications, angled raceway adapter

A.Wiremold - #CM-ARA, or equal

B.Hubbell Premise Wiring – Module Bezel KPIMBZAL & DFA2KAL

2.7106 Frames

A.Panduit

1.2-Port - #CF1062IWY, or equal

2.4-Port - #CF1064IWY, or equal

B.Hubbell

1.2-Port - #BR106C

2.4-Port - #Q106O

2.8PATCH PANELS

All products must be rated CAT 6 with T568-B pin out.

A.48 Port-Data/Voice

1.Panduit – #DP48688TG

2.Commscope Uniprise - #UNP610-48

3.Hubbell - #P6E48U

B.24 Port-Data/Voice

1.Panduit – #DP24688TG

2.Commscope Uniprise - #UNP610-24

3.Hubbell - #P6E24U

C.24 Port-Wireless/Modular for Voice Feeders

1.Panduit – #CP24BL

2.Commscope Uniprise - #UNP-MOD-24P

3.Hubbell - #UDX24E

2.9CONSOLIDATION POINT ENCLOSURES

CAT 6

A.Panduit – #WMCPESGBL, or equal.

2.10FIBER OPTIC ENCLOSURES

Fiber Optic Enclosures: Telecommunications Contractor is responsible for providing and installing all necessary coupling panels, couplings, connectors, and all other devices needed per manufacturers’ recommendations.

A.19 Inch Rack Mounted Enclosure & Closet Splice Housing

1.Panduit

a.Enclosure

1)24 port – FMD1 Drawer

2)72 port – FRME4 Enclosure

b.ST Connector 6-Pack - #FAP6WST

c.6-Pack Blank - #FAPB

2.Commscope Uniprise

a.24 port Enclosure- RFE-SLG-EMT/1U Drawer (includes 3 blanks)

1)ST Connector 6-Pack – MFA-ST06-AQ

2)6-Pack Blank – RFE-PNL-Blank-BK/4U

b.72 port Enclosure– RFE-FXD-EMT-BK-4U

c.ST Connector 6-Pack – RFE-PNL-006-MFA-ST01-BK/4U\

d.6-Pack Blank – RFE-PNL-Blank-BK/4U

3.Hubbell

a.Enclosure

1)36 port - #FCR350SP36R (holds 6 adapter panels)

2)72 port - #FCR525SPR (holds 12 adapter panels)

3)90 port - #FCR700SP (holds 15 adapter panels)

b.ST Connector 6-pack - #FSPST6

c.6-Pack Blank - #FSPB

4.Corning

a.Enclosure

1)24 port - #PCH-01U

2)72-144 port - #PCH-04U

2.11DATA RACKS AND ENCLOSURES

A.Approved Rack and Cabinet

1.7 foot Aluminum Floor Mounted Racks; #12-24 tapped holes, Black

  1. Panduit-Aluminum Alloy, Flat Black; #12-24 mounting screws; #CMR19X84
  2. Saunders/Cooper B-Line-Aluminum Alloy, Flat Black; #12-24 mounting screws; #SB-556-084-XU
  3. Great Lakes-Aluminum, Flat Black; #12-24 mounting screws; #GLRR1984BA

2.Wall Mounted Racks

  1. Homaco Heavy Duty Swing-EZ Wall Racks, or equal

1) 24.25”H - #19-21-T25DHYDTB

2) 38.25”H - #19-35-T25DHYDTB

  1. Superior Modular 19”W, 25”D Swing Racks

1)24”H-SR225

2)36”H-SR325

3)48”H-SR425

3.Wall Enclosures

  1. Saunders/Cooper B-Line, or equal

1)2’ H – E2-WM-242424-R or L-PD-B

2)3’ H – E2-WM-362424-R or L-PD-B

3)4’ H – E2-WM-482424-R or L-PD-B

4)5’ H – E2-WM-602424-R or L-PD-B

  1. Great Lakes

1)2’H – GL24WM

2)3’H – GL36WM

3)4’H – GL48WM

2.12CABLE MANAGEMENT

A.7 foot Vertical

1.Panduit, or equal – 6 inches w x 6 inches w X 83 inches h, front & rear duct # WMPVHC45E

a)Center mount Bracket Kit #WMPVCB

B.Horizontal

1.Panduit, or equal – 3 x 3 inches front duct, 2 x 5 inches rear duct #NCMH2

2.13 66 BLOCKS

A.Siemon-#S66M150

B.Suttle-#66M1-50-C5

C.Hubbell-#HPW66M150

2.13110 WIRING BLOCKS

A.Panduit

1.100 pair base with legs-#P110BW100-X

2.4-Pair Connecting Blocks - #P110CB4-XY

3.Label Holder – #P110LH

B.Commscope Uniprise

1.100 pair base with legs - #UN-110-WB-100PR

2.4-Pair Connecting Blocks - #UN-110-CB-4P-10C

3.Label Holder - #UN-110-LH

C.Hubbell

1.100 pair base with legs - #110BLK100BWL

2.4-Pair Connecting Blocks - #110CB4PR10

3.Label Holder - #XPH11010

2.14Building Entrance Terminals/Protectors-Voice Applications-Solid State-CAT 3

A.Circa Protectors, or equal

1.Terminals

a.12 pair, #2612QC/QC

b.25 pair, #1890ECT1/NSC-25

c.50 pair, #1890ECT1/NSC-50

d.100 pair, #1890ECT1/NSC-100

2.Modules – Solid State, 5 pin

a.Data - #3B3S-30

b.Voice - #3B1FS-240

B.Porta Systems Protectors

1.Terminals

a.10 pair, #4025-66-M66

b.25 pair, #24025-66-M66

c.50 pair, #24050-66-M66

d.100 pair, #24100-66-M66

2.Modules – Solid State, 5 pin

a.Data - #MLVP27E

b.Voice - #115SCNHDS-230

2.15Building Entrance Terminals/Protectors-Data Applications-CAT 6

A.4 pair UTP

1.ITWLINX - #CAT 6-LAN or equal

2.Porta Systems-#CAT 6-Series 606

2.16TIE-WRAPS

A.Thomas and Betts-#TY-25M-9, or equal

B.Panduit

1.4” – #PLT1M-C702

2.7.4” -#PLT2S-C702

3.11.6” - #PLT3S-C702

2.17Vertical Power Pole

A.Wiremold-#25DTP-4, or equal

2.18Power Strips, must be UL listed, 19” rack mounted, 20 amps, 8 rear outlets, 15 feet service tail

A.Geist-#VSSL084-152R20, or equal

2.19External Ringer: Operates from 24 VDC, connects into standard telephone wall jack, equipped with three position volume switch and 103 dB maximum modulated tone output.

A.After School Bell

1.Dees Communications, or equal

a.Stinger Ringer - #196

B.Café Manager’s Office/Kitchen

1.Valcom, or equal

a.Loud Horn - #V-9945A

Part 3 - execution

3.1Horizontal Distribution Cabling

  1. Horizontal cabling is installed in a star topology.
  1. Bridged taps and splices are not permitted as part of the copper horizontal cabling.
  1. All connectivity products such as patch panels, faceplates and data jacks shall be of the same manufacturer (see approved products list).
  1. All cables shall be plenum rated, unless otherwise noted.
  1. Contractor shall install all cabling according to latest industry standards, manufacturer’s recommendations and best practices. Cabling shall be installed in an orderly and neat manner. Cables shall be installed parallel and perpendicular to building lines.
  1. Horizontal cables shall terminate to the closest Telecommunications Room (TR) on the same floor.
  1. Horizontal cable links shall not exceed 90 meters.
  1. UTP cable shall be installed so that there are no bends smaller than 4 times the cable’s outside diameter at any point in the cabling run and the termination area. If cables are kinked or the cable jacket is damaged during the installation, the cable will be removed and replaced with new cables at no additional cost to the Owner.
  1. Pulling tension on 4-pair UTP cables shall not exceed 25-lbf for a four-pair UTP cable.
  1. A pull cord (nylon; 1/8 inch minimum) shall be co-installed with all cable installed in any homerun conduit and conduits exceeding 2” in diameter.
  1. Cable raceways shall not be filled greater than the TIA/EIA-569-A maximum fill for the particular raceway type or 40%.
  1. Where transition points or consolidation points are required, they shall be located in accessible locations and housed in an enclosure intended and suitable for the purpose.
  1. Slack required
  1. Data room
  1. 10 feet minimum for UTP
  2. 20 feet minimum for Fiber, not including the 15 feet of workable fiber wound inside fiber cabinet
  1. Work area outlets – 12 inch minimum for UTP
  2. Access point locations – 20 feet minimum for UTP
  1. The ceiling cable support throughout most of the facility will be accomplished by utilizing open areas above ceilings and cable trays when available. If cable trays or sleeves are available, the TC must use the cable trays and sleeves as their pathway, unless the TC has received formal approval from the Designer. All penetrations through fire-rated walls or floors must be sleeved. In areas where support structure is not available, cables will be supported with metallic J-brackets at regular 4-5 foot intervals. Cables may only be supported by building structure when the cable spans do not exceed 5 foot intervals. Cables SHALL NOT be supported on top of walls or I-beams or in areas where the cable is susceptible to damage or EMI. Cables shall not be attached to ceiling grid or lighting fixture wires. At no point shall cable(s) rest on acoustic ceiling grids or panels.
  1. When utilizing J-hooks, the TC shall neatly groom the cables with tie-wraps.
  1. No more than 12 inches of cable sag shall be allowed between supports.
  1. There shall be a minimum of three inches of clearance between the cable support system and the ceiling tile support grid.
  1. No cables shall run exposed. In areas of no accessible ceiling and where a pathway is not being provided by others, the Contractor shall provide the pathway. The pathway shall be EMT conduit in commons areas, or wiremold metallic raceway in classroom/office areas. TC shall provide all necessary sleeving of walls and floors where sleeves or openings are not being provided by others.
  1. All equipment and materials installed in plenum environment shall be UL rated acceptable for plenum environments.
  1. Horizontal distribution cables shall be bundled in groups of no more than 40 cables. Cable bundle quantities in excess of 40 cables may cause deformation of the bottom cables within the bundle and degrade cable performance. This includes cable bundles supported in J-Hooks.
  1. Cable shall be installed above fire-sprinkler systems and shall not be attached to the system or any ancillary equipment or hardware. The cable system and support hardware shall be installed so that it does not obscure any valves, fire alarm conduit, boxes, or other control devices.
  1. TC must ensure that TIA/EIA recommended minimum separation distances are maintained between the newly installed cabling and high-energy sources that may interfere with data transmission. Cables shall never come into contact with any ceiling gridsor lighting sources or any devices that emit EMI.
  1. Cables routing under slab or outside shall be rated outside plant and provide water blockage. Upon entering the building and exiting the conduit, the outdoor cable shall be transitioned to a plenum rated cable. This will be accomplished by placing transition points within 50’ of the cable’s entry into the building.

Y.Surface Mount Raceway

  1. Raceway shall be equivalent to wiremold in ivory, or a color to match existing raceway.
  2. The raceway system shall consist of raceway, appropriate fittings and accessories to complete installation. All raceways shall be comprised of metallic materials. All surface raceways will be secured to walls by using anchors spaced 18 to 24 inches apart.
  3. All hardware to be installed in plenum environment must be rated acceptable for plenum rated environments.
  4. A full complement of fittings must be available and installed per the manufacturers’ recommendations. The Telecommunications Contractor (TC) shall provide all necessary fittings to include, but are not limited to flat, internal and external elbows, divided tees and entrance fittings, grommets, couplers, and end caps. The fittings shall provide a means for connecting to the raceway and shall be capable of maintaining a 1 inch minimum cable bend radius. Applicable fittings shall be of base and cover design in order to maintain complete enclosure, maintain separation of power and data channels, and to eliminate mitering. They shall overlap the raceway to hide uneven cuts.
  5. Divided junction boxes and angled faceplates shall be available for mounting standard devices. The junction boxes shall be available in standard versions. The junction boxes must have a divider wall to maintain separation of power and data cables and allow for termination of both services in one junction box. The deep boxes shall have a divider wall to be used similar to the shallow box. In addition, an insert to allow for the perpendicular routing through of cables to additional boxes shall be available. The angled faceplates shall allow for terminating of standard electrical devices, both duplex and rectangular styles, and accept jacks designated for this project as inserts for data terminations. The angled faceplates shall accommodate up to 4 jacks and shall be modular in design to accept UTP, Coax, ST, SC, FC and Fiber Jack type of connectors.
  6. Angled faceplates shall be available in ivory, or a color to match the existing raceway.
  7. Multi-Channel Surface Raceway: All multi-channel surface raceway will be installed by a licensed electrician.
  1. The raceway shall maintain separation of the power and data channels utilizing an integral barrier. The raceway shall be ivory and have a smooth texture. Where existing surface mounted raceway is present, provide new surface mounted raceway in a color and texture to match the existing.
  1. Single Channel Surface Raceway
  1. The Single Channel Surface Raceway shall be a one-piece design. Raceway shall be comparable to Wiremold 700 or Wiremold 2100.
  2. The raceway and all system components must be UL Listed and exhibit nonflammable.
  3. Wiremold 700 shall contain no more than 1 CATEGORY 6 cable, or 1 Series 6 coax cable. WM 2100 shall be installed when cable count exceeds the above specified requirements.
  1. Vertical Power Pole
  1. The Power and Communications Pole channel shall be aluminum.
  2. Provide all necessary fittings for the Power and Communications Pole including, but not limited to, entrance end fitting, which protects cable bend radius, for the top of the pole, ceiling trim plate, pole mounting bracket, Velcro carpet gripper pad, grommets, and adhesive pad as well as communication covers, angled connector faceplates, inserts and specialty mounting bezels.
  3. The power and communications pole must be UL listed for field modifications, changes and additions of receptacles, devices, and circuits.
  4. Surface mounted outlet boxes installed on power poles shall be avoided. Provide necessary adapter plates to ensure a quality installation.
  1. Provide over voltage protection on both ends of cabling exposed to lightning or accidental contact with power conductors.
  1. Abandoned cables shall be removed port to port.

3.2TELECOMMUNICATION ROOM (TR)

  1. Data Racks
  1. Data racks shall be installed where shown on the drawings. Racks shall not be located under any equipment, pipes or ductwork that may cause condensation or possibly leakage. Consult with Designer on rack lay-out if these conflicts are present.
  2. Racks shall be heavy duty EIA complaint nineteen (19) inch wide, seven (7) foot tall equipment racks, unless otherwise noted. Racks shall have a black finish. Side channels shall be drilled and tapped on both sides.
  3. Racks shall be securely anchored to the floor slab using 3/8” expansion anchors. The rack shall tie to the wall via a 12” ladder cable runway for routing cables.
  4. Racks shall be placed with a 36” minimum clearance from the room walls on all sides of the rack. When mounting racks in a row, maintain a minimum of 36” clearance from the walls behind and in front and from the wall at each end of the row.
  5. Unused rack equipment mounting screws shall be bagged and attached to the racks upon completion of the project.
  6. All racks shall be grounded to the telecommunications ground bus bar provided in each TR.
  1. UTP Cable Termination Hardware
  1. Each horizontal or backbone cabling run will be terminated using appropriate connectors or connecting blocks depending upon the cable type. Matching patch cords, provided by the Owner, unless otherwise noted, will be used to perform cross-connect activities or to connect into the networking/voice hardware.
  2. Cables shall be dressed and terminated in accordance with the recommendations made in the TIA/EIA-568-B standard, manufacturer's recommendations and best industry practices.
  3. Pair untwist at the termination shall not exceed .5”.
  4. Bend radius shall not exceed 4 times the outside diameter of the cable.
  5. Splitting the pairs prior to termination is not acceptable.
  6. Cables shall be neatly bundled and dressed into their respective panels or blocks. Each panel or block shall be fed by an individual bundle separated and dressed back to the point of cable entrance into the rack or frame.
  7. The cable jacket shall be maintained as close as possible to the termination point.
  8. Each cable will be clearly labeled on the cable jacket behind the patch panel. Labels shall be machine printed and clearly visible within the bundle.
  9. Wall mounted termination block field’s enclosures and racks shall be mounted onplywood backboards located in TR and installed per manufacturer’s recommendations.
  1. Backbone and horizontal voice cables shall be terminated on 110 blocks mounted on the fire-rated plywood behind the data racks. Use metallic D-Rings as necessary for cable management. Size D-rings to fit the application.
  2. Wall mounted termination block fields shall be installed with the lowest edge of the mounting frame 48 inches from the finished floor.
  3. 110 type IDC connecting clips shall be installed for every installed cable pair.
  1. Four-pair Category 6 UTP cabling shall be terminated onto a four-pair Category 6 module. All modules shall be terminated using the T568B (B) wiring scheme. The eight position module shall exceed the connector requirements of the proposed TIA/EIA Category 6 standard.
  2. Patch Panels shall be of the manufacturer and part number as listed in these specifications. The patch panels shall be T568B wiring configurations. Rack mountable patch panels shall mount to standard EIA 19"W floor mounted data racks. Cables shall be neatly groomed with Velcro Integral cable ties. Port and panels shall be easy to identify with write-on areas. Patch panels shall be completely populated.
  3. Cables routing from the wireless access points shall be terminated in a separate 24 port modular patch panel. The patch panels shall be clearly labeled “Wireless”.
  1. Fiber Termination Hardware
  1. All fiber optic terminations shall be accomplished by fusion or no epoxy/no-polish field terminations.
  2. The terminated strands shall be secured within fiber optic enclosures. Fiber slack shall be neatly coiled within the fiber splice tray or enclosure.
  3. Telecommunications Contractor will supply the appropriate number of fiber coupler panel blanks for each fiber enclosure where fiber optic terminations are not made.
  4. The cables strength member shall be securely attached to the cable strain relief bracket in the enclosure.
  5. When terminated the fiber via splicing, each fiber bundle shall be stripped upon entering the splice tray and then route the individual fibers in the splice tray.
  6. When terminated with field installable connectors, no epoxy/no-polish ST connectors shall be used. The connector installation shall not require the use of epoxies, adhesives or ovens. The connectors shall be compliant with industry standard ANSI/TIA/EIA-568-B-3.
  1. Plywood Backboards
  1. TC to provide ¾ inch fire-rated plywood in 4 x 8 foot sheets and void free. The plywood shall be painted with two coats of white fire-retardant paint leaving the manufacturer’s printed labels unpainted and clearly visible.
  2. In Telecommunications Rooms, plywood shall be mounted horizontally starting at 24 inches AFF and to approximately 6 inches below ceiling. One wall shall be covered, see Construction Documents for locations.
  3. In the Main Telecommunications Room-MC (Equipment Room) plywood shall be mounted horizontally starting at 24 inches AFF to 6 inches below ceiling. All walls shall be covered, see Construction Documents for details.
  1. Cable Management
  1. Horizontal and Vertical Wire Management shall be provided and utilized by the TC. The system provided shall be comprised of equipment to manage cables on both the front and rear of the rack. The Wire Management shall protect network performance by controlling bend radius and providing cable strain relief.
  2. All cable management channels shall have covers.
  3. Horizontal Wire Managers shall be placed above and below each patch panel and shall intersect with the Vertical Wire Managers seamlessly.
  4. D-rings shall be metallic and used in areas where cables are not supported by cable runway or cable tray. The D-Rings shall be a minimum size of 4 inches. The TC shall be responsible for determining quantity and the placement of D-Rings at strategic points throughout the Telecommunications Room.
  1. Grounding and Bonding
  1. Grounding shall be installed per NEC and ANSI/TIA/EIA 607 and manufacturer’s grounding requirements as minimum.
  2. Bond and ground equipment racks, housings, messenger cables, ladder racks, metallic raceways, and armored fiber with a #6 AWG stranded green insulated conductor. #12 AWG stranded insulated green conductor shall be used to bond surface mounted metallic raceways. However, in plenum areas, the grounding conductor shall be a bare, solid conductor for all grounding applications. Coordinate with electrical contractor. Electrical contractor (EC) to bond or ground all pathways provided by electrical contractor.
  3. TMGB (Telecommunications Main Grounding Busbar) and TGB Telecommunications Grounding Busbar) shall be provided by the EC unless otherwise noted. EC shall bond the TMGB to the electrical service equipment ground and to building steel with a #6 AWG green conductor unless otherwise noted on the Electrical Construction Documents. The TGB shall also be bonded to building steel by the EC.
  1. Entrance Conduits

1.The EC will install 2-4" conduits for telphone service entrance and 1-2" conduit for cable television service entrance routed underground from the property line where dictated by the service providers into the main data room. They shall be stubbed up tight in a corner as designated on the construction documents.

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