Technical Requirements -
Telephone/Data Spaces & Cable Pathways
Horizontal Conduits
A minimum of four 4-inch conduits shall be installed from the telephone switch room
and adjacent computer room to each vertical riser. Pull boxes and four 4-inch
conduits in the telephone switch room and in the computer room shall be installed to
provide a path for the cable from the overhead conduit to under the access floor.
Locations shall be coordinated with the IRM staff of the VARO. See below drawings
for basic requirements
4" BACKBONE CONDUITS
(typical)
Note: Conduit quantity and box size is dependent
upon actual cable plant requirements. Refer to the
specific projects cable plant design and floor plans
1 - 2 to Telephone Console Room
"
to determine required capacities.
(if remote console room)
4" RISERS TO VARIOUS
FLOORS
...
.
...
.
T/D CLOSETS ALIGNED
VERTICALLY
THIRD FLOOR
T/D
T/D
CLOSET
CLOSET
...
.
...
.
DETAIL A
T/D
T/D
SECOND FLOOR
PULL
CLOSET
CLOSET
COMPUTER ROOM
BX
O
TELEPHONE EQUIPMENT ROOM
...
.
...
.
DETAILC
DETAIL B
T/D
T/D
CLOSET
CLOSET
PULL
BX
O
FIRSTFLOOR
LEGEND
... =4-4" Riser Sleeves
.
= 4 EA... - 4"
= 3 EA... - 4" CONDUITS
CONDUITS
TOCOMPUTERROOM
VBA Design Guide
Page 4-19
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