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 23GG0074 and 24GG0015 have near-identical descriptions about 25 m apart (funding years 2023, 2024; ₱19.49M, ₱48.89M). Worth checking whether they cover the same works. It is possible that the second project is a legitimate extension or continuation of the first.

Public record entityConstruction of Flood Control/Slope Protection along Jalaur River, Dumangas, Iloilo

LocationDUMANGAS (ILOILO), ILOILO, Region VIContract 23GG0074

Amount₱19,490,000.00 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: 2022-11-29 · Maxar

After capture: 2022-11-29 · Vantor

No imagery since construction began — latest capture 2022-11-29

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 0.80

Model: gpt-4.1

Prompt: v4.1

Checked: October 22, 2026

The two project titles are near-identical, both refer to flood control structures along the Jalaur River in Dumangas, Iloilo, and are only 25 meters apart. The only differences in the titles are generic terms ('Slope Protection' vs 'Structure'), which do not clearly distinguish the works as separate. There are no phase, package, section, or barangay markers that would indicate they are distinct projects. The funding years are consecutive, which could indicate a continuation or possible double funding, but this is not certain. The evidence is complete and meets the rule's criteria for publishing.

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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/Slope Protection along Jalaur River, Dumangas, Iloilo23GG0074Flood control	100%	July 26, 2023	October 2, 2023	No target date from DPWH, so lateness cannot be computed	completedsumbong source

Start: February 13, 2023 · 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": "23GG0074",
  "fundingYear": 2023,
  "municipality": "DUMANGAS (ILOILO)",
  "distanceMeters": 24.656633410511883,
  "titleSimilarity": 0.9126514373502326
}

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

Satellite before / after

Project completion

Rule Definition

Triggering Data & citations

Possible Innocent Explanations

Where this project sits