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 23AJ0012 and 22AJ0062 have near-identical descriptions about 3 m apart (funding years 2022, 2023; ₱19.21M, ₱19.59M). Worth checking whether they cover the same works. It is possible that the second contract is a continuation or expansion of the first project, but the earlier title did not specify a phase.

Public record entityConstruction of Slope Protection Works along San Juan River, Barangay Turac, San Carlos City, Pangasinan (Phase II)

LocationSAN CARLOS CITY (PANGASINAN), PANGASINAN, Region IContract 23AJ0012

Amount₱19,212,536.57 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: 2021-04-03 · Maxar

After capture: 2025-02-02 · 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 0.80

Model: gpt-4.1

Prompt: v4.1

Checked: October 22, 2026

The only distinguishing marker is 'Phase II' in the 2023 project, while the 2022 project has no phase/segment marker. Both are at nearly identical coordinates (3 meters apart), have near-identical titles, and are by the same contractor. Per rule guidance, if one title has a phase marker and the other does not, this is a classic 'unlabelled twin' case and should be published.

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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 Slope Protection Works along San Juan River, Barangay Turac, San Carlos City, Pangasinan (Phase II)23AJ0012Flood control	100%	July 25, 2023	March 24, 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": "23AJ0012",
  "coordinates": {
    "lat": 15.895265,
    "lon": 120.37043
  },
  "municipality": "SAN CARLOS CITY (PANGASINAN)",
  "distanceMeters": 3.085525889559304,
  "titleSimilarity": 0.9811320754716981
}

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