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 23GA0103 and 22GA0120 have near-identical descriptions about 781 m apart (funding years 2022, 2023; ₱29.40M, ₱49.95M). Worth checking whether they cover the same works. It is possible that the second project is a continuation or expansion of the first, or covers a nearby stretch of the same river.

Public record entityConstruction of Revetment Wall along Aklan River, Brgy. Palale, Banga, Aklan

LocationBANGA (AKLAN), AKLAN, Region VIContract 22GA0120

Amount₱49,954,779.27 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 m

Before capture: 2016-07-25 · Maxar

After capture: 2025-08-02 · 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 0.95

Model: gpt-4.1

Prompt: v4.1

Checked: October 22, 2026

The two project titles are near-identical, both refer to the same river and barangay, and are only 781 meters apart. There are no distinguishing markers such as different phases, sections, or sitios. The only differences in the titles are minor wording variations (e.g., 'Barangay' vs 'Brgy.' and the inclusion of 'Flood Control'), which are not considered distinguishing per the rule. The evidence is complete and meets the rule's criteria for a plausible duplicate or overlapping project.

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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 Revetment Wall along Aklan River, Brgy. Palale, Banga, Aklan22GA0120	100%	February 12, 2023	February 10, 2023	—	completedsumbong source

Start: March 17, 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": "22GA0120",
  "coordinates": {
    "lat": 11.648202,
    "lon": 122.32862
  },
  "municipality": "BANGA (AKLAN)",
  "distanceMeters": 780.5128758229315,
  "titleSimilarity": 0.9080459770114943
}

Source documents

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