Data Centre Reliability and Redundancy - Server Racks Australia
Data Centre Reliability and Redundancy - Server Racks Australia
Data Centre Reliability and Redundancy - Server Racks Australia
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TIA 942 - StructuralUptime Tiering ReferenceStructural Tier 1 Tier 2 Tier 3 Tier 4Any seismic zone acceptable, but may requireNo Restriction No Restriction No Restriction No restrictionspecial support mechanismsFacility designed to seismic zone requirements No Restriction No Restriction No Restriction In seismic zone 0, 1, 2 to Zone 3requirements, in siesmic zone 3 & 4 toZone 4 requirementsSite specific response spectra - degree of localseismic acceleratorsNo No With operation status after 10% in50 year eventWith operation status after 5% in 100year eventImportance factor I=1 I=1.5 I=1.5 I=1.5Telcommunications equipment racks/cabinetsNo Base only Fully braced Fully bracedanchored at base or supported top <strong>and</strong> bottomDeflection limitations on telcommunicationsNo No Yes Yesequipment within acceptable limitsBracing of electrical conduits <strong>and</strong> cable trays Per code Per code with importance factor Per code with importance factor Per code with importance factorBracing of mechanical system major duct runs Per code Per code with importance factor Per code with importance factor Per code with importance factorFloor loading capacity superimposed live load 7.2kPa (150lbf/sqsf) 8.4kPa (175lbf/sqft) 12kPa (250lbf/sqsf) 12kPa (250lbf/sqsf)Floor hanging capacity for ancillary loads1.2kPa (25lbf/sqsf) 1.2kPa (25lbf/sqsf) 2.4kPa (50lbf/sqsf) 2.4kPa (50lbf/sqsf)suspended from belowConcrete slab thickness at ground 127mm 127mm 127mm 127mmConcrete topping over flutes for elevated floorsaffects size of anchor which can be installed102mm 102mm 102mm 102Building LFRS (Shearwall/bracedframe/moment frame) indicates displacementof structureBuilding Energy Dissipation - PassiveDampers/base isolation (energy absorption)Battery/UPS floor vs building composition.Concrete floors more difficult to upgrade forintense loads. Steel framing with metal deck<strong>and</strong> fill much more easily upgradedSteel deck <strong>and</strong> Fill/ Pre tension concrete/ CIPMild - PT slabs much moore difficult to installanchorsSteel/Conc MF Conc.Shearwall/Steel BF Conc.Shearwall/Steel BF Conc.Shearwall/Steel BFNone None Passive dampers Passive dampers/Base isolationPT Concrete CIP Mild Concrete Steel Deck & Fill Steel Deck & fillPT Concrete CIP Mild Concrete Steel Deck & Fill Steel Deck & fill
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