IBM DS8880 Series Introduction And Planning Manual page 166

Figure 25. Location for fastener installation (nonraised floor)
3. When the IBM service representative arrives to install the earthquake resistance
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)
ICC-ES 2.0
AC156, 2012
154
DS8880 Introduction and Planning Guide
Front
load plate
540
88
30
364
25
416
67
Rear
load plate
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.
z/h
(incl'd roof
HORIZONTAL (g)
or lower
levels) A
FLX-H
1.0 3.20
364
240.5
88
416
54.5
67
VERTICAL (g)
A A
RIG-H FLX-V
2.40 1.34
21
1
88
Rack
outline
1 21
67
A Mounting
RIG-V
0.54 Raised floor
and
nonraised
floor