Dell EMC VMAX 250F, Руководство по планировке объекта, Страница: 40 / 132

Floor load-bearing capacity
Storage arrays can be installed on raised floors. Customers must be aware that the
load-bearing capacity of the data center floor is not readily available through a visual
inspection of the floor. The only definitive way to ensure that the floor is capable of
supporting the load associated with the array is to have a certified architect or the
data center design consultant inspect the specifications of the floor to ensure that the
floor is capable of supporting the array weight.
CAUTION
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Customers are ultimately responsible for ensuring that the floor of the data
center on which the array is to be configured is capable of supporting the
array weight, whether the array is configured directly on the data center floor
or on a raised floor supported by the data center floor.
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Failure to comply with these floor loading requirements could result in severe
damage to the storage array, the raised floor, subfloor, site floor and the
surrounding infrastructure should the raised floor, subfloor or site floor fail.
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Notwithstanding anything to the contrary in any agreement between EMC
and the customer, EMC fully disclaims any and all liability for any damage or
injury resulting from the customer’s failure to ensure that the raised floor,
subfloor and/or site floor are capable of supporting the storage array weight.
The customer assumes all risk and liability associated with such failure.
Raised floor requirements
Best practice is to use 24 x 24 inch heavy-duty, concrete-filled steel floor tiles. If a
different size or type of tile is used, the customer must ensure that the tiles have a
minimum load rating that is sufficient for supporting the storage array weight. Ensure
proper physical support of the system by following requirements that are based on the
use of 24 x 24 in. (61 x 61 cm) heavy-duty, concrete-filled steel floor tiles.
Raised floors must meet the following requirements:
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Floor must be level.
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Floor tiles and stringers must be rated to withstand concentrated loads of two
casters each that weigh up to 700 lb (317.5 kg).
Note
Caster weights are measured on a level floor. The front of the array weighs more than
the rear of the configuration.
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Floor tiles and stringers must be rated for a minimum static ultimate load of 3,000
lb (1,360.8 kg).
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Floor tiles must be rated for a minimum of 1,000 lb (453.6 kg) on rolling load.
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For floor tiles that do not meet the minimum rolling load rate, EMC recommends
the use of coverings, such as plywood, to protect floors during system roll.
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Floor tile cutouts weaken the tile. An additional pedestal mount adjacent to the
cutout of a tile can minimize floor tile deflection. The number and placement of
Physical weight and space
40 Site Planning Guide VMAX 250F, VMAX 450F, VMAX 850F, VMAX 950F with HYPERMAX OS