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Ties and Interconnections
If the UPS sources are synchronized and are not overloaded, UPS systems may transfer load between...
UPS Output Switchboards
Output switchboards directly support the PDU and ASTS systems downstream of the UPS power plants....
Synchronization
Synchronization can occur in one of two ways for UPS systems: Actively based on some form of e...
UPS System
UPS and critical power system applications are focused on delivering quality power, whether origi...
Electrical Class Ratings
The standard includes five Classes relating to various levels of reliability of the data center ...
Availability
All electrical equipment must have redundancy to increase both fault tolerance and it must be doc...
On Site Generation
Backup generators should be there as a backup to data center equipment in case of utility power f...
Transformers
Transformers usually transform the utility’s medium distribution voltage to a lower voltage for u...
Introduction
Electrical distribution systems for data centers are designed to power the center safely and reli...
Structural Concerns Specific to Data Center Design
Floor loading (superimposed live load) shall be a minimum of 7.2 kPa2 (150 lbf/ft2) with 1.2 kPa ...
Structural Building Code Compliance and Coordination
Local building codes shall be consulted in the planning and implementation of changes to the buil...
Equipment Bracing System
Equipment cabinets and racks shall be braced in accordance with local codes. Cabinets braced at t...
Ceilings
In data center computer rooms and telecommunications spaces (e.g., entrance rooms, TRs), the mini...
Access Flooring System
Underfloor concrete shall be cleaned and sealed after all major underfloor work has been done, in...
Airborne Particles
Non-conductive airborne particles can be minimized by: Doing all unpacking, cutting, and drill...
Access Control Systems
Access control shall be provided at all entrances to the data center and all entrances to the com...
Fire-Rated Construction
Walls separating computer room, electrical rooms, battery rooms, mechanical rooms, and separate T...
Computer Room Wall Construction
The perimeter walls to the computer room shall be slab-to-slab and the perimeter walls of the com...
Floor Slab
Floor slabs shall be as per the calculations of the structural engineer, but no less than a floor...
Equipment Staging and Storage
Datacenter should have separate rooms to store arriving equipment and prepared in a room away fro...