IM 777-8 • Skyline Air Handler 20 www.DaikinApplied.com
M
eChanICal
I
nsTallaTIon
OSHPD Seismic Anchoring/Mounting
For seismic stability of the unit, additional anchoring and
mounting procedures are required. The anchoring options and
corresponding spectral response acceleration are given in
Table 6
. Holes in the Vision/Skyline base frame are to be field
drilled. Any mounting hardware is to be field supplied.
Table 6: OSHPD Mounting
Attachment Method
SDS
Attachment System (by Others)
Spacing
System
Bolted attachment to
steel (
Figure 33
)
1.93
48
5/8" DIA SAE Grade 5
Welded attachment
to steel (
Figure 34
)
1.84
48
3/16" Weld Leg and
4" welded length
Bolted attachment to
Concrete (
Figure 35
)
1.68
24
Hilti HAD-P M16 × 190/40
with 4-3/4" embedment
Figure 33: Unit with Base Frame Mounted on Steel
Figure 34: Unit with Base Frame Welded
Figure 35: Unit with Base Frame Mounted on Concrete
