T-502.pdf

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SCALE:

T-502

TYPICAL COPPER STRAND CABLE

GROUND CONNECTION

NOT TO SCALE

SCALE:

T-502

TYPICAL RAISED FLOOR PEDESTAL

GROUND CONNECTION

NOT TO SCALE

SCALE:

T-502

TYPICAL INTERIOR COLUMN

GROUND CONNECTION

NOT TO SCALE

SCALE:

T-502

TYPICAL COPPER STRAND CABLE

TYPICAL SIGNAL REFERENCE GRID (SRG)

NOT TO SCALE

T-502

T-502

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TELECOMMUNICATIONS MAIN GROUNDING BUSBAR LOCATED IN ENTRANCE

FACIILITY 169. SEE 2/T-401 AND 5/T-502.

TELECOMMUNICATIONS GROUNDING BUSBAR LOCATED IN SERVER ROOM 134.

SEE 1/T-401 AND 5/T-502.

BUILDING STEEL LOCATED AS CLOSE AS POSSIBLE TO TMGB.

BUILDING STEEL LOCATED AS CLOSE AS POSSIBLE TO TGB.

PROVIDE "CAD WELD" CONNECTION AT BUILDING STEEL.

#6 COPPER BOND CONDUCTOR IN 3/4" EMT.

#350 COPPER BONDING CONDUCTOR IN 3/4" EMT.

#3/0 COPPER BONDING CONDUCTOR IN 3/4" EMT.

PROVIDE ADDITIONAL BONDING CONNECTIONS IN ROOM 169 FROM TMGB TO

CABLE RUNWAYS, EQUIPMENT RACKS, SURGE PROTECTORS, AND ENTRANCE

CONDUIT.

PROVIDE ADDITIONAL BONDING CONNECTIONS IN ROOM 134 FROM TGB TO

CABLE RUNWAYS, EQUIPMENT RACKS, AND PATHWAYS.

TELECOMMUNICATIONS GROUNDING BUSBAR LOCATED IN ROOM 116. SEE 1/T-101

AND 5/T-502.

PROVIDE A #6 AWG COPPER CABLE FROM CABINET GROUNDING CONNECTOR TO

TELECOMMUNICATIONS GROUNDING BUSBAR (TGB), WITH DOUBLE LUG CLAMP

FOR CONNECTION TO TGB.

SCALE:

T-502

TELECOMMUNICATIONS GROUNDING SYSTEM

NOT TO SCALE

TYPICAL TMGB DRILLED HOLE DIMENSIONS

COMPRESSION

CONNECTOR W/

VIEWING WINDOW

TYPICAL TGB DRILLED HOLE DIMENSIONS

" NOMINAL

INSULATOR

STAINLESS STEEL

STANDOFF BRACKET

ELECTRO-TIN PLATED

COPPER GROUND BAR

" TYP.

" TYP.

TYPE

TMGB

TMGB

TMGB

TMGB

TGB

TGB

TGB

TGB

12"

16"

20"

24"

12"

16"

20"

24"

WIDTH

4"

4"

4"

4"

2"

2"

2"

2"

THICKNESS

1/4"

1/4"

1/4"

1/4"

1/4"

1/4"

1/4"

1/4"

MINIMUM

LENGTH

MINIMUM NUMBER OF

PAIRS OF 5/16"

DIAMETER HOLES

MINIMUM NUMBER OF

PAIRS OF 7/16"

DIAMETER HOLES

TELCOMMUNICATIONS MAIN GROUND BAR (TMGB) &

TELECOMMUNICATIONS GROUND BAR (TGB) SCHEDULE

1"

1 2

SCALE:

T-502

TELECOMMUNICATIONS TGB & TMGB GROUND BAR DETAIL

NOT TO SCALE

(APPLIES TO 6/T-502 ONLY)

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THE RECORD DRAWING HAS BEEN PREPARED BY THE DESIGN

PROFESSIONAL BASED UPON INFORMATION FURNISHED BY

THE CONTRACTOR. THE DESIGN PROFESSIONAL CANNOT

ASSURE ITS ACCURACY, AND THUS IS NOT RESPONSIBLE FOR

THE ACCURACY OR THIS RECORD DRAWING OR ANY ERRORS

OR OMISSIONS WHICH HAVE BEEN INCORPORATED INTO IT AS

A RESULT. THOSE RELYING ON THIS RECORD DOCUMENT ARE

ADVISED TO OBTAIN INDEPENDENT VERIFICATION OF ITS

ACCURACY BEFORE APPLYING IT FOR ANY PURPOSE.