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What is the floor loading requirement for a Rated-3 data center according to ANSI/TIA-942?
Suggested Answer: C
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ANSI/TIA-942 specifies minimum floor live load capacities based on Rated levels:
Rated-1/2: ~7.2--8.4 kPa
Rated-3: 12 kPa
Rated-4: 15 kPa
These values ensure raised floors can support racks, cabling trays, cooling units, and maintenance loads without structural compromise. For Rated-3, concurrent maintainability requires higher floor robustness to handle additional infrastructure.
Therefore, the correct requirement is 12 kPa.
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