Raised Floor Frame Tie-Down; Installing The Eyebolts - IBM zEnterprise EC12 Installation Manual

Level 01f

Raised floor frame tie-down

Frame tie-down for the zEC12 on a raised floor is a system of adjustable turnbuckles intended to fasten
each corner of the server frames to eyebolts installed in the concrete floor beneath your computer room
raised floor. FC 8000 and FC 8001 supply parts to cover raised floor heights from 152.4 mm (6 inches) to
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914.4 mm (36 inches).
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| Note: For a water-cooled model on a raised floor, the height of the raised floor (subfloor to top surface of
floor tile) must be a minimum of 228.6 mm (9 inches) to accommodate the bend radius of the water
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hoses.
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You are responsible for obtaining the services of a qualified consultant or structural engineer to determine
| what must be done at your particular location to install four eyebolts per frame. These eyebolts should
be capable of withstanding the appropriate seismic forces for a frame weighing up to 1362 kg (3000 lbs)
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with the center of gravity 1270 mm (50 inches) from the ground and at the center of the frame.
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Installing the eyebolts

You are responsible for obtaining and installing the eyebolts that will anchor the frames of your zEC12.
Following are the specifications for the eyebolts:
v 12.7 mm (0.5 in) diameter, 13 threads per inch (length to be determined by the qualified contractor who
will perform the eyebolt installation)
v Inside diameter of the eye not smaller than 30 mm (1 3/16 in)
v Installed so that the center of the eye is not less than 25.4 mm (1 in) nor more than 63.5 mm (2.5 in)
from the surface of the concrete floor.
Length of the eyebolts
to be determined by the
installation contractor
Center of the eye
Not < 25.4 mm (1 in)
Not > 63.5 mm (2.5 in)
above the concrete surface
142
zEC12 IMPP
30 mm (1 3/16 in) diameter
12.7 mm (0.5 in) diameter
Concrete floor