“The Institute’s Tier Classification System ensures a data center facility is designed and built to deliver uptime in accordance with its business requirements; Operational Sustainability ensures the site is managed to sustain that level of availability over the long-term,” said Julian Kudritzki, vice president, Uptime Institute, LLC. “Another benefit of the Operational Sustainability Standard is that the risks and behaviors are prioritized to help owners and operators maximize staffing and budget resources.”
The Institute created Tier
Standard: Operational Sustainability in response to data center
operators’ needs for an industry standard to minimize operational
risk and maximize uptime. The Institute’s Owners Advisory Committee
(OAC), which is composed of 29 global data center owners, has
reviewed the standard and will adjudicate any changes.
Operational Sustainability Standard, which works in tandem with the
Institute’s international Tier Classification System, is structured
around the three most influential elements of a data center’s
ongoing performance in the following prioritized order: management &
operations, building characteristics, and site location.
of the three Operational Sustainability Elements has multiple
categories and components pertinent to a data center’s Tier level.
Detailed tables are provided in Tier Standard: Operational
On May 10th, The Uptime
Institute announced it incorporated the Owners Advisory Committee’s
(OAC) first recommended modification into the data center Tier
Classification System. The OAC is composed of 29 data center owners
who provide oversight and guidance to ensure the Uptime Institute’s
Tier Standards continue to be useful to data center owners and
operators. The Tier Classification System is the international
standard for objectively evaluating a data center’s performance
capability in respect to its business requirements.
Uptime Institute has agreed to incorporate the results of the OAC
vote-a new minimum requirement- into Tier Standard: Topology, the
authoritative documentation of the Tier requirements. This new
requirement calls for a minimum of 12 hours of fuel storage for the
engine-generator plant at “N” capacity. Although the OAC
pinpointed this new specification during deliberations on the
definition and requirements of Tier I, it affects all four Tiers
since each data center Tier incorporates the criteria of those
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