CRIAD
Subcontractors · Use case 04

Scope and demarcation gaps

Nobody priced the link between our scope and theirs. We found out on site.

Every element is linked to the package it is built under. Trace a path end to end and the gaps show: a link with no package against it, or a link with two.

Every answer cites its source. People decide.

How it works

Ask. Inspect. Verify. Publish.

1

Ask

A plain-language question.

"Who supplies and installs each part of this path?"
2

Inspect

The full blast radius, on the model.

The path traced on the model, end to end, coloured by package.
3

Verify

Checked against the governing drawings and specs.

Each link is checked against the scope documents and the package it is listed under.
4

Publish

A dashboard, report or register, citations attached.

A demarcation list: gaps and overlaps, sources attached, ready to raise before the price is fixed.
Worked example

One job, start to finish.

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

Reference campus
  1. 01

    Trace one rack on the reference campus: rack, distribution frame, fibre entry.

  2. 02

    Each link in the path shows the package it is built under.

  3. 03

    A link with no package against it is a gap. A link with two is an overlap.

  4. 04

    The list goes to the general contractor as a clarification, not as a claim later.

42U RACK · DATA HALL

  • 0.60 × 1.20 × 2.00 m
  • 240 per hall
  • 1 of 1,440 on campus
  • measured in

    3D MODEL

    Real geometry, shared origin: sizes and

    clearances are measured, never guessed

  • drawn on

    GOVERNING DRAWING

    telecom layout · rev 1 · issued 17 Jul 2026

    a new revision updates every element on it

  • limited by

    SPEC CLAUSE

    envelope max 0.60 × 1.20 × 2.00 m · telecom spec

    ✓ checked automatically, every revision

  • ordered as

    PRODUCT & ORDER

    one approved product · 1,440 units

    approve once, the whole order updates

  • built under

    PROGRESS

    status per rack · phase-aware, both phases

    reports roll up live, nothing retyped

  • operated as

    OPERATIONS

    O&M row · warranty · fibre & power paths

    the handover is these links, kept alive

real values from a structured reference campus

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