Certification scheme

ANSI/TIA-942 data centre infrastructure standard and certification

A US-origin but globally used standard for data centre telecom, power, mechanical, architectural, fire and security design, with a TIA-run certification scheme at four rating levels.

  • 5requirementsin our own words
  • 2editions ANSI/TIA-942-C
  • 0places where it is a duty of 30 assessed
  • 18 Oct 2026last checkedat the sources below

Where it applies

It is voluntary in the 30 places assessed. The outcome holds under the conditions shown and says nothing about any one site.

WhereOutcomeBasisConditionsAuthority and route
All 30 placesAppliesVoluntary In forceNone stated No law in this country requires it; customers, lenders or tenders decide.Not stated

What it asks for

5 requirements, each in our own words with the evidence an assessor would expect and who on a site usually owns it. Read the clause itself on the scheme owner's page.

RequirementEvidence expectedOwnerWhen
Choose the certification type (design, constructed facility or ready/modular) and the target rating level. Scope and rating decision Record, checked by document reviewSite manager Once Governance, one site
Meet the standard's site, architectural, electrical, mechanical, safety and security requirements for the chosen rating. Design package and as-built evidence Drawing, checked by document reviewM&E lead Each certification cycle Technical limit, one site
Pass the surveillance audits at the end of year one and year two of a constructed-facility certificate. Audit reports and corrective action closure Record, checked by document reviewSite manager Every year Inspection, one site
Recertify by the end of year three; renew a design certification within one year. Recertification application and dates Certificate, checked by document reviewCompliance manager Each certification cycle Inspection, one site
Use a TIA-licensed certification body. Contract with the licensed body and its licence listing Contract, checked by document reviewProcurement Once Contractual, the organisation

Editions

Which text is in force, from when, and which one it replaced.

EditionStatusPublishedIn effectReplaces
ANSI/TIA-942-C Current Dates not on the page.Not statedNot stated ANSI/TIA-942-B
ANSI/TIA-942-B Superseded Not statedNot stated None named

Stages, levels and report types

What each one is, how long it is valid, and the claim you may make once you hold it.

Stage or levelReport or awardPeriod and validityWhat you may say
Design certificationcertificatenot applicable1 year, extendable if the site is not operationalSay: TIA-942 Design Certification at rating N, issued by a TIA-licensed body.
Constructed Facility certificationcertificateaudit evidence over the cycle3 years with surveillance audits at end of year 1 and 2; recertify by end of year 3Say: TIA-942 Constructed Facility certified at rating N until the expiry date shown on TIA's register.
Ready certification (pre-manufactured modular)certificatenot applicable1 year with yearly recertificationSay: TIA-942 Ready for the named module.

About the programme

Assessed by
A certification body licensed by the scheme owner
Scope
site
Levels
Design, Constructed Facility and Ready certifications, each with four classification rating levels
Certificate cycle
Certificate valid for 3 years, surveillance every 1 year, recertification every 3 years
Validity
Design certification valid 1 year (extendable if not yet operational); Constructed Facility valid 3 years with surveillance audits by end of year 1 and year 2; Ready (modular) valid 1 year with yearly recertification.
Time to a first certificate
not published
Accreditation route
TIA licenses Certification Bodies that follow ISO/IEC 17020/17021 plus TIA's extra qualifications; TIA lists licensed bodies and certified sites
Who asks for it
Enterprise and colocation customers, Wholesale and hyperscale customers, Public tenders
Where it is used
global

Sources

Official bodies behind this page, each with the date we last read it.

No official body publishes a page for this scheme. The scheme owner's own page, linked under About the programme, is where the clauses are published.

Not legal advice. Confirm each duty against the text itself.