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 22DC0052 and 24DC0051 have near-identical descriptions about 279 m apart (funding years 2022, 2024; ₱77.20M, ₱87.61M). Worth checking whether they cover the same works. These may be different segments or a continuation of flood control works along the same river.

Public record entityConstruction of Flood Mitigation Structure along San Juan River, Sto. Tomas City, Batangas

LocationCITY OF SANTO TOMAS (BATANGAS), BATANGAS, Region IV-AContract 24DC0051

Amount₱87,610,008.00 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: 2019-03-13 · Maxar

After capture: 2025-04-25 · 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

Click imagery to enlarge

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How this was checked

publish · confidence 0.85

Model: gpt-4.1

Prompt: v4.1

Checked: October 22, 2026

The titles are near-identical and refer to the same river and municipality, with only minor differences: 'Tanauan - Sto. Tomas' vs 'Sto. Tomas City'. 'Tanauan' is an adjacent city, but the second title does not specify a different section or phase, and both are within the same municipality (Sto. Tomas). No phase, package, or section markers distinguish the works. The distance (279 m) is above the 100 m threshold, but the rule is for near-duplicates within the same municipality, and the titles overlap in scope. Innocent explanation is possible (e.g., different segments or a continuation), but the overlap is sufficient to warrant public attention.

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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 Mitigation Structure along San Juan River, Sto. Tomas City, Batangas24DC0051Flood control	100%	January 18, 2025	September 10, 2024	No target date from DPWH, so lateness cannot be computed	completedsumbong source

Start: March 25, 2024 · 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": "24DC0051",
  "coordinates": {
    "lat": 14.082555,
    "lon": 121.15598
  },
  "municipality": "CITY OF SANTO TOMAS (BATANGAS)",
  "distanceMeters": 279.4197182924429,
  "titleSimilarity": 0.9197860962566845
}

Source documents

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

Satellite before / after

Project completion

Rule Definition

Triggering Data & citations

Where this project sits