Integrated Systems Testing (IST) for Data Centers — CitiriOS
Data Centers · Integrated Systems Testing

Integrated Systems Testing, governed to Ready‑for‑Service.

Your commissioning team runs IST (Level 5). CitiriOS governs the owner’s side — witnessing the campaign, accepting each script as evidence, and gating beneficial use on it.

IST / Level 5Cx Levels 1–5 Ready‑for‑ServiceBeneficial Use
Book a Live Demo See how it works
Integrated Systems Testing · DC‑2 · Level 5
38 scripts32 witnessed4 open
Utility → generator failoverL5 · witnessed 12:04Passed
UPS → battery → generatorL5 · witnessed 13:20Passed
CRAC loss ride‑throughL5 · retest scheduledFailed
Full load‑bank / pull‑the‑plugL5 · not startedNot started
RFS / beneficial‑use gate · blocked until IST accepted
What IST is — and whose job is whose

Level 5 proves the systems fail over. It doesn’t prove you’re ready to accept them.

Data‑center commissioning runs L1 (factory) through L5 (integrated systems testing) — the pull‑the‑plug scenarios that prove utility, generator, UPS, and cooling ride through failure together. The testing is the commissioning agent’s to perform. Deciding it’s enough — accepted, current, and gated to beneficial use — is the owner’s.

Delivery scope — performing IST

  • The CxA and integrators execute the L1–L5 scripts.
  • Results land in a commissioning report and a binder.
  • Proves the installed systems meet the design intent.
  • Doesn’t, on its own, authorize beneficial use.

Owner scope — accepting & gating it

  • Witness the campaign and capture each script as evidence.
  • Accept results through review — expired or partial stops counting.
  • Tie an IST pass to the RFS / beneficial‑use gate as Go/No‑Go.
  • Hold a defensible record for the lender, insurer, and tenant.
The path

From test script to beneficial use.

CitiriOS carries the owner’s thread from a witnessed script to an authorized handover — with the delivery hand‑off marked, not blurred.

01
Test scripts (L1–L5)
The CxA runs the integrated campaign.
Delivery
02
Witness
Capture each script Pass/Fail as evidence.
Owner
03
Accept evidence
Reviewed, current, and traceable — or it doesn’t count.
Owner
04
RFS gate
IST pass is a Go/No‑Go criterion.
Gated
05
Beneficial use
Accepted into service, on the record.
Accepted
How CitiriOS governs it

IST isn’t a product — it’s a job these capabilities do.

CitiriOS doesn’t perform testing. It governs the owner’s witnessing, evidence, and gating — through the capabilities below.

Witness & capture

Inspections & Field Execution

Witness the IST campaign and capture each script as an evidence candidate.
Accept & gate

Evidence & Gate Governance

Accept results and gate RFS / beneficial use on an IST pass.
See the whole picture

Operational Readiness

See IST alongside every other readiness domain in one Ready Score.
Your industry

Data Centers

The full data‑center readiness picture — commissioning to beneficial use.
Opti can reconcile witnessed results against the test plan and flag scripts that block the gate, with cited reasoning — people accept the evidence and make the RFS call.
Get started

Govern your IST campaign to beneficial use.

Book a demo built around your Level 5 campaign — witnessing, evidence acceptance, and the gate to Ready‑for‑Service.

Book a Demo Explore Operational Readiness

IST, Level 5, commissioning levels (L1–L5), Ready‑for‑Service, and beneficial use are data‑center industry terms. CitiriOS governs the owner’s witnessing, evidence, and gating — it does not perform commissioning or testing, and integrates with your CxA’s tools. Ready Score is a CitiriOS capability. Opti suggests and cites; people accept evidence and decide. Figures shown are illustrative.