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 22DJ0049 and 22DJ0001 have near-identical descriptions about 397 m apart (funding year 2022; ₱39.20M, ₱77.20M). Worth checking whether they cover the same works. It is possible these are two segments of a larger project, or separate contracts for adjacent stretches of the river.

Public record entityConstruction of Slope Protection along Quiapo River, Barangay Pahinga Norte to Barangay Poblacion, Candelaria, Quezon

LocationCANDELARIA (QUEZON), QUEZON, Region IV-AContract 22DJ0049

Amount₱39,200,000.00 sumbong source

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

Satellite before / after

Esri Wayback · ~0.5 m

Before capture: 2020-11-16 · Maxar

After capture: 2025-03-23 · 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, differing only in the abbreviation of 'Barangay' to 'Brgy', which is not a distinguishing marker per the rules. Both projects are in the same municipality, funded in the same year, and are only 397 meters apart. There are no phase, package, or section markers, nor do the titles name different places or structures. The evidence is complete and meets the rule's criteria for a plausible duplicate or overlapping scope.

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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 along Quiapo River, Barangay Pahinga Norte to Barangay Poblacion, Candelaria, Quezon22DJ0049	100%	December 20, 2022	December 20, 2022	—	completedsumbong source

Start: February 24, 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": "22DJ0049",
  "fundingYear": 2022,
  "municipality": "CANDELARIA (QUEZON)",
  "distanceMeters": 397.4409861609969,
  "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