IBM DS8880 Series, Introduction And Planning Manual

Page: 166 / 244

3. When the IBM service representative arrives to install the earthquake resistance
kit, provide the other fastener parts (
▌2▐
) in Figure 24 on page 152 so that the
representative can use these parts secure the load plates onto the floor.
Seismic (earthquake) resistance:
Seismic qualification testing was conducted on the IBM DS8880 Disk Storage
Subsystem to meet ICC-ES AC-156 requirements.
Table 76 includes the seismic test parameters and definitions.
Table 76. Seismic test parameters
S
DS
(g)
z/h
(incl'd roof
or lower
levels)
HORIZONTAL (g) VERTICAL (g)
Mounting A
FLX-H
A
RIG-H
A
FLX-V
A
RIG-V
ICC-ES
AC156, 2012 2.0 1.0 3.20 2.40 1.34 0.54 Raised floor
and
nonraised
floor
540
364
88
30
88
240.5
364
88
25
67
416
67
54.5
416
67
1
142
1
142
(2X) 50.6
(2X) 50.6
f2c02382
Front
load plate
1
Rear
load plate
Rack
outline
21
1
21
Figure 25. Location for fastener installation (nonraised floor)
154
DS8880 Introduction and Planning Guide