HP rp3440 Site Preparation Guide, Fifth Edition - HP 9000 rp3410/rp3440 - Page 31

Facility Characteristics, Floor Loading, Raised Floor Loading, Floor Loading Terms. - - weight

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General Site Preparation Guidelines Facility Characteristics Facility Characteristics This section contains information about facility characteristics that must be considered for the installation or operation of a HP 9000 rp3410 and HP 9000 rp3440 server. Facility characteristics are: • Floor loading • Windows • Altitude effects Floor Loading The computer room floor must be able to support the total weight of the installed HP 9000 rp3410 and HP 9000 rp3440 server as well as the weight of the individual cabinets as they are moved into position. Floor loading is usually not an issue in nonraised floor installations. The information presented in this section is directed toward raised floor installations. NOTE An appropriate floor system consultant should verify any floor system under consideration for a HP 9000 rp3410 or HP 9000 rp3440 server installation. Raised Floor Loading Raised floor loading is a function of the manufacturer's load specification and the positioning of the equipment relative to the raised floor grid. While HP cannot assume responsibility for determining the suitability of a particular raised floor system, it does provide information and illustrations for the customer or local agencies to determine installation requirements. The following guidelines are recommended: • Because many raised floor systems do not have grid stringers between floor stands, the lateral support for the floor stands depends on adjacent panels being in place. To avoid compromising this type of floor system while gaining under-floor access, remove only one floor panel at a time • Larger floor grids (bigger panels) are generally rated for lighter loads CAUTION Do not position or install any equipment cabinets on the raised floor system until you have carefully examined it to verify that it is adequate to support the appropriate installation. Floor Loading Terms. The following table lists floor loading terms and definitions. Table 2-2 Floor Loading Term Definitions Term Definition Dead load Live load The weight of the raised panel floor system, including the understructure. Expressed in lb/ft2 (kg/m2) The load that the floor system can safely support. Expressed in lb/ft2 (kg/m2) Chapter 2 31

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General Site Preparation Guidelines
Facility Characteristics
Chapter 2
31
Facility Characteristics
This section contains information about facility characteristics that must be considered for the installation or
operation of a HP 9000 rp3410 and HP 9000 rp3440 server. Facility characteristics are:
•
Floor loading
•
Windows
•
Altitude effects
Floor Loading
The computer room floor must be able to support the total weight of the installed HP 9000 rp3410 and HP
9000 rp3440 server as well as the weight of the individual cabinets as they are moved into position.
Floor loading is usually not an issue in nonraised floor installations. The information presented in this section
is directed toward raised floor installations.
NOTE
An appropriate floor system consultant should verify any floor system under consideration for a
HP 9000 rp3410 or HP 9000 rp3440 server installation.
Raised Floor Loading
Raised floor loading is a function of the manufacturer’s load specification and the positioning of the
equipment relative to the raised floor grid. While HP cannot assume responsibility for determining the
suitability of a particular raised floor system, it does provide information and illustrations for the customer or
local agencies to determine installation requirements.
The following guidelines are recommended:
•
Because many raised floor systems do not have grid stringers between floor stands, the lateral support for
the floor stands depends on adjacent panels being in place. To avoid compromising this type of floor
system while gaining under-floor access, remove only one floor panel at a time
•
Larger floor grids (bigger panels) are generally rated for lighter loads
CAUTION
Do not position or install any equipment cabinets on the raised floor system until you have
carefully examined it to verify that it is adequate to support the appropriate installation.
Floor Loading Terms
.
The following table lists floor loading terms and definitions.
Table 2-2
Floor Loading Term Definitions
Term
Definition
Dead load
The weight of the raised panel floor system, including the understructure.
Expressed in lb/ft
2
(kg/m
2
)
Live load
The load that the floor system can safely support. Expressed in lb/ft
2
(kg/m
2
)