CRIAD
General contractors · Use case 02

Sequencing and work zones you can check

The master schedule says which month. It does not say which crane, which zone, or which trade has to be out of the room.

Heavy plant lifts, live electrical work and mechanical installs cannot share a space or a week. Criad links each work package to the elements and the zone it works in, so a proposed sequence can be checked on the model: what is in the way, which zone is live, which room needs a permit, and which trade is waiting on which.

Every answer cites its source. People decide.

How it works

Ask. Inspect. Verify. Publish.

1

Ask

A plain-language question.

"Can the mechanical crew work in this bay while the switchgear is being energised?"
2

Inspect

The full blast radius, on the model.

The bay on the model with the packages planned in it that week, coloured by trade, and the exclusion zones around live equipment.
3

Verify

Checked against the governing drawings and specs.

Each package is checked against the zones, the access rules and the packages it depends on. Conflicts are listed with the elements and the dates.
4

Publish

A dashboard, report or register, citations attached.

A sequence check per week and per zone: clear, conflict, or waiting on a permit, ready for the coordination meeting.
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, Hall 2: the 16 electrical cabinets sit in work package A4401.

  2. 02

    Every package that depends on A4401 is shown as waiting on it.

  3. 03

    A lift planned through that bay is checked against what is already installed there.

  4. 04

    The conflicts go into the meeting with the evidence, not into the following week.

Hall 2 · DH_02 Hall 2 · one bay, one week
Highlighted: the elements the answer refers to

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