Indicator C3 — Duplicate or Near-Duplicate Projects

AI-verified / Na-verify ng AI Data as of October 21, 2026

Duplicate or Near-Duplicate Projects

Very similar descriptions within ~100m or identical coordinates across contracts/years.

This is a statistical anomaly or indicator worth examining — not proof of wrongdoing, fraud, or corruption against any person.

Indicator: contracts 22PA0127 and 22PA0130 have near-identical descriptions about 87 m apart (funding year 2022; ₱49.50M, ₱19.60M). Worth checking whether they cover the same works. It is possible that the second contract is a continuation or a separate phase that was not labeled as such in the title.

Public record entityConstruction of Flood Control Structure, Barangay Abang, Bucay, Abra

LocationBUCAY (ABRA), ABRA, Cordillera Administrative RegionContract 22PA0130

Amount₱19,597,172.35 sumbong source

Only contractors and government agencies named in public procurement records are shown. Private individuals are not named.

Satellite before / after

Esri Wayback · ~0.5 mLocation approximate

Before capture: 2020-01-14 · Maxar

After capture: 2023-01-11 · Vantor

Satellite comparison for public reference — not proof of completion or non-completion.

Imagery may not show small or linear works; no visible change is not evidence of wrongdoing.

Imagery © Esri, Maxar, Earthstar Geographics, and the GIS User Community

Caveats & resolution

Esri World Imagery Wayback (~0.5–1 m); dates are archive release dates, not capture timestamps.
Imagery may not show small or linear works; no visible change is not evidence of wrongdoing.
DPWH coordinates can be approximate; marker shows the imagery center (may be snapped to riverbank/coast).

Disclaimer

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How this was checked

publish · confidence 0.75

Model: gpt-4.1

Prompt: v4.1

Checked: October 22, 2026

The only distinguishing marker is 'Phase 2' in the first title, while the second title has no phase or package marker. Per the rule, if one title has a phase/package marker and the other has none, this is a valid case for publishing as a possible unlabelled twin or continuation. The locations are very close (87 m), same barangay, same contractor, same year, and the titles are otherwise near-identical.

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Project completion

Schedule fields from DPWH transparency portal records and the Sumbong sa Pangulo flood-control list — not inferred beyond those columns.

Reported complete (DPWH): 1Ongoing: 0Delayed: 0Status unknown: 0

Project	Prog.	Target end	Actual end	Days late	Status
Construction of Flood Control Structure, Barangay Abang, Bucay, Abra22PA0130Flood control	100%	January 10, 2023	January 10, 2023	—	completedsumbong source

Start: June 20, 2022 · Source fetched October 21, 2026

Rule Definition

Title similarity + distance or shared coordinates within municipality.

Triggering Data & citations

Similar project description near another contract in the same municipality

{
  "contractId": "22PA0130",
  "fundingYear": 2022,
  "municipality": "BUCAY (ABRA)",
  "distanceMeters": 87.15120444661756,
  "titleSimilarity": 0.8942577030812325
}

Source documents

sumbong — https://raw.githubusercontent.com/rukku/sumbongsapangulo.ph-datasets/main/flood_control_projects.geojsonFetched October 21, 2026

Possible Innocent Explanations

Phased construction seasons
Upstream/downstream segments recorded separately