3BrainAI

Case study based on real historical data
Case study on dated public sources. Public source review v0.3, 27 September 2026.

CASE STUDY - REAL HISTORICAL DATA - HUMAN REVIEW REQUIRED
3BrainAI CRI (Construction Risk Intelligence)
PUBLIC SOURCE REVIEW - HUMAN REVIEW REQUIRED
Case Study - Real Historical Data
Dated sources and a bank review question

Historical Evidence Review

Fischamend, Lower Austria - Vienna Airport logistics park observation area

DEMO-EU-AT-FIS-01 | v0.3 PUBLIC SOURCE REVIEW | Large logistics / industrial real-estate development

Dated observations and documentary follow-up. 27 Sep 2026.

Review question

What changed within the observation area between 20 August 2023 and 19 August 2025, and which records would a bank need to assess the relevant construction milestone?

Assessment summary

The dated imagery shows large roofed footprints at T1 where predominantly bare or construction-affected surface was visible at T0. This supports a bounded observation of visible change. Assessing a construction milestone requires the relevant project scope, dated documents and engineering evidence.

Bank review question

Which structures and project phase should the reviewer relate to these observations? Confirm the relevant asset boundary, milestone definition and dated technical records before assessing progress against a project plan.

Observed - Dated Public Evidence

Between 20 August 2023 and 19 August 2025, two large rectangular roofed structures became visible within the selected observation area, replacing predominantly bare or construction-affected surface.

The imagery shows surface-visible change. It does not establish building completion, quality, fit-out, occupancy, environmental compliance, contractual acceptance or payment eligibility.

Bounded conclusion

Large roofed footprints became visible between the two dated observations. The next step is to relate that change to an agreed asset boundary and documentary and engineering records. This Evidence Pack makes no drawdown or credit decision.

Interpretation of WATCH

WATCH refers to evidence sufficiency and the need for documentary review. It is not a negative project rating and does not indicate delay, breach or default.

Basis and scope
  1. Independent case study based on public project information and dated Copernicus observations. No affiliation with or mandate from the owner, operator, tenants or financing institutions is implied.
  2. The record presents source observations and a review question. It does not document a client engagement, an actual project report, a delay, a breach or a bank decision.
  3. Contains modified Copernicus Sentinel data 2023 and 2025. Public COG mirror: AWS Registry of Open Data / Earth Search.
DEMO-EU-AT-FIS-01 | v0.3 PUBLIC SOURCE REVIEW | HUMAN REVIEW REQUIRED PAGE 1 / 2
3BrainAI CRI (Construction Risk Intelligence)
PUBLIC SOURCE REVIEW - HUMAN REVIEW REQUIRED
Dated Evidence and Review Trail

Same observation area. Two dated public optical scenes.

T0 - 20 August 2023 S2B_33UXP_20230820_0_L2A
True-colour Sentinel-2 crop for T0, acquired 20 August 2023, showing the Fischamend observation area.
T1 - 19 August 2025 S2B_33UXP_20250819_1_L2A
True-colour Sentinel-2 crop for T1, acquired 19 August 2025, showing the same Fischamend observation area.
Evidence record and provenance
T0 | tile cloud 2.953869% | AOI 0.0 cloud/shadow/snow
SAFE: S2B_MSIL2A_20230820T094549_N0509_R079_T33UXP_20230820T124817.SAFE
SHA-256: a0dafc4173b0a1800d43c738a97dccbbf555fe261929c5e5d019536bab41cb8f
T1 | tile cloud 0.00365% | AOI 0.0 cloud/shadow/snow
SAFE: S2B_MSIL2A_20250819T095029_N0511_R079_T33UXP_20250819T120823.SAFE
SHA-256: b938f6be662e6ecc996634b854dd28ebfd7607ff37030d0aa0fe878cf5eca6fa

Retrieval envelope [16.574, 48.117, 16.593, 48.131] - working retrieval envelope only; not a cadastral or project boundary.

Finding

Between 20 August 2023 and 19 August 2025, two large rectangular roofed structures became visible within the selected observation area, replacing predominantly bare or construction-affected surface.

Uncertainty and non-inference

The imagery shows surface-visible change. It does not establish building completion, quality, fit-out, occupancy, environmental compliance, contractual acceptance or payment eligibility.

Reason codes
  • VISIBLE_LARGE_STRUCTURE_CHANGE
  • ROOFED_FOOTPRINTS_DIRECTIONALLY_SUPPORTED
  • EXACT_PROJECT_BOUNDARY_UNVERIFIED
  • ENGINEERING_COMPLETION_UNVERIFIED
  • PAYMENT_ELIGIBILITY_UNVERIFIED
Next responsible review question

Which dated project and engineering records define the relevant structures, milestone and acceptance criteria, and who is responsible for reviewing them?

Source register