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Start your 4D/5D pilot with a single zone

A small, explicit scope reveals the quality of model, schedule, and quantity links.

A concrete frame model has one highlighted floor zone beside a simple programme sheet.

Choose the pilot question

Before creating a visual sequence, write down the question. Are you reviewing construction sequence, comparing planned and actual progress, or tracking one quantity item? Select one objective and a reviewable scope.

Identify every source

Collect the model revision, zone boundary, schedule activity identifiers, and data cut-off date. If cost is included, record the price source and units. If actual progress is included, identify its source and approval status.

Review links before visuals

Sample elements and activities and check that their links reflect the intended work scope. You may need to split a broad activity or group elements into work packages. Document unlinked elements rather than hiding them.

Model selection: Zone A / selected objects. Programme activity: One identified work activity. Progress evidence: Dated, reviewed observation
A small 4D pilot has three linked records. Original illustrative workflow; adapt the checks to the agreed project requirements. Open diagram ↗
Read diagram notes
Model selection
Zone A / selected objects
Programme activity
One identified work activity
Progress evidence
Dated, reviewed observation

Accept the pilot with evidence

Produce a reviewable mapping table, an issue register, and views that explain the result. This is a suggested pilot approach. Expand it when source quality and mapping accuracy are sufficient for the intended use.