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 22DH0003 and 23DH0039 have near-identical descriptions about 479 m apart (funding years 2022, 2023; ₱83.25M, ₱90.69M). Worth checking whether they cover the same works. It is possible that the second project is a continuation or extension of the first, or covers a nearby stretch of the same river.

Public record entityConstruction of River Control along Pagsanjan River, Brgy. Magdapio, Pagsanjan, Laguna

LocationPAGSANJAN (LAGUNA), LAGUNA, Region IV-AContract 22DH0003

Amount₱83,249,659.50 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: 2020-03-27 · Maxar

After capture: 2025-05-12 · 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 titles are near-identical and refer to the same barangay and municipality, with only 'Brgy.' vs 'Barangay' as a difference, which is not a distinguishing marker. The projects are about 479 meters apart and funded in consecutive years, with the same contractor. There are no phase, package, section, or other location markers that would distinguish them as separate works. 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 River Control along Pagsanjan River, Brgy. Magdapio, Pagsanjan, Laguna22DH0003Flood control	100%	June 5, 2023	June 5, 2023	—	completedsumbong source

Start: February 19, 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": "22DH0003",
  "coordinates": {
    "lat": 14.273611,
    "lon": 121.4575
  },
  "municipality": "PAGSANJAN (LAGUNA)",
  "distanceMeters": 479.19980841752414,
  "titleSimilarity": 0.8944099378881988
}

Source documents

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