Typical scenario

Overlapping calculation zones inflate a reported fire damage area

If a report adds damaged surface areas by room and by individual zone, one wall may enter the total twice or under different damage types. The records may have been made at different times, so their contents must be linked to the particular conditions, dates and object under review.

What needs to be clarified

Review the geometric basis of area calculations and the separation of documented surface damage types while separating confirmed data, calculation assumptions and questions that the supplied material cannot resolve.

Materials to prepare

  • Measured plan with wall, opening and room dimensions
  • Defect schedule identifying damage types and locations
  • Area calculation with line formulas and photographic references

What to compare

Zone boundaries, wall faces, opening deductions and area units are reconciled. Duplicate counting is checked, distinguishing thermal damage from soot contamination according to the recorded descriptions. Differences are recorded against the original records. The review checks whether an observation about one object or interval has been extended to the entire dispute without independent justification.

Possible outcome of the analysis

A recalculated area table and diagram of overlapping calculation zones may be prepared linked to the original material, with explicit assumptions and questions for further professional consideration.

Limits of the conclusions

Area calculation determines neither fire cause nor the necessary repair method. Missing data are not replaced by assumptions; conclusions remain limited to documented circumstances and the method’s applicability to the question asked.

Fire investigation: cause, origin, electrical systems, alarms and report reviews
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