User's Manual

Ground Based Access P oint (GAP) Hardw are Installation Concrete pad installation and ground system
Figure 5 -8 Ground ring la y out
ti-cdma-01749.eps
CONCRETE
PAD
GROUNDING RING #3 BSWG
(#2 AWG;35 mm
2
) SOLID
COPPER W/TIN COATING
2438 mm
(96IN.)
GROUND
RODS (8−12)
GROUND TO CABINET (1 PER CABINET) #3 BSWG
(#2 AWG;35 mm
2
) SOLID COPPER W/TIN COATING
GROUND TO ANTENNA
#3 BSWG (#2 AWG; 35
mm
2
) SOLID COPPER
W/TIN COATING
609 mm
(2’ 0IN.)
GROUND TO REBAR
(CADWELD)
609 mm
(2’ 0IN.)
REBAR JOINTS
(CADWELD) (4)
609 mm
(2’ 0IN.)
REBAR
10 mm (3/8IN.)
MINIMUM.
FRONT
GROUND TO CABINET (1 PER CABINET) #3 BSWG (#2
AWG;35 mm
2
) SOLID COPPER W/TIN COATING
609 mm
(2’ 0IN.)
Conduit routing through concrete slab
Conduit routing is customer site dependant. This section is included here for installations that
use conduit routing integral to the concrete slab.
Figure 5 -9 Conduit stub in concrete slab
ti-cdma-01750.eps
CONDUIT STUBS ARE
TO BE 25 TO 50 MM (1IN.
TO 2IN.) ABOVE
CONCRETE PAD.
CONCRETE
PAD
68P09286A73 -1 5 -13
PRELIMINARY - UNDER DEVELOPMENT JUL 2007