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 22AE0023 and 23AE0012 have near-identical descriptions about 417 m apart (funding years 2022, 2023; ₱48.02M, ₱49.00M). Worth checking whether they cover the same works. It is possible that the second contract is a continuation or expansion of the previous year's rehabilitation work.

Public record entityRehabilitation of Baroro River Control, Brgy. Dangdangla, San Juan, La Union

LocationSAN JUAN (LA UNION), LA UNION, Region IContract 22AE0023

Amount₱48,020,000.00 sumbong source

Only contractors and government agencies named in public procurement records are shown. Private individuals are not named.

Satellite before / after

Esri Wayback · ~0.46 mLocation approximate

Before capture: 2022-01-08 · Maxar

After capture: 2025-01-26 · 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

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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, with only a spelling variant (Brgy. vs barangay) and no distinguishing markers. Both projects are in the same barangay, municipality, and refer to the same river control structure, funded in consecutive years, by the same contractor, and are only 417 meters apart. This fits the rule's publish criteria for possible duplicate or overlapping works.

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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
Rehabilitation of Baroro River Control, Brgy. Dangdangla, San Juan, La Union22AE0023Flood control	100%	August 16, 2022	July 28, 2022	—	completedsumbong source

Start: February 11, 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": "22AE0023",
  "fundingYear": 2022,
  "municipality": "SAN JUAN (LA UNION)",
  "distanceMeters": 417.0732723084327,
  "titleSimilarity": 1
}

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