CRIAD
Owners and operators · Use case 05

Approve a change with every knock-on in view

We asked for a change to the cooling units on one page. The knock-ons arrived later, as claims.

One change is never one change. Before you approve it, see what it touches: the product order, the governing drawing, the install plan. The evidence is in front of the person who decides.

Every answer cites its source. People decide.

How it works

Ask. Inspect. Verify. Publish.

1

Ask

A plain-language question.

"We want a deeper 1.0 m electrical cabinet. What does that change touch?"
2

Inspect

The full blast radius, on the model.

96 cabinets across 6 halls light up: one shared product, one long-lead order.
3

Verify

Checked against the governing drawings and specs.

allowed depth 0.92 mrequested cabinetspec limitrequested 1.0 m · 0.08 m over ✗

Checked against the governing drawings and specs. Allowed depth 0.92 m. Requested 1.0 m is 0.08 m over.

4

Publish

A dashboard, report or register, citations attached.

A change assessment: verdict, every knock-on and the governing clauses, citations attached.
Worked example

One job, start to finish.

Values come from a structured reference campus, not from a client project.

Reference campus
  1. 01

    Reference campus: the client asks for liquid cooling in Hall 2 instead of the 16 air units.

  2. 02

    In the hall, the deeper units cut the clearance to the nearest rack from 1.45 m to 0.55 m, under the 0.6 m spec minimum.

  3. 03

    In the yard, the 6 chillers were sized for air-cooled halls and 87 pipe runs were sized to a 3 m/s limit. Both are re-checked before the order.

  4. 04

    The approval goes out with every knock-on listed, and the claims do not arrive later.

Mechanical yard Mechanical yard · the plant behind the change
Highlighted: the elements the answer refers to

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