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 24DL0099 and 22DL0148 have near-identical descriptions about 127 m apart (funding years 2022, 2024; ₱9.80M, ₱24.50M). Worth checking whether they cover the same works. It is possible that the second contract is a continuation or extension of the first seawall project.

Public record entityConstruction of Seawall Atimonan, Quezon

LocationATIMONAN (QUEZON), QUEZON, Region IV-AContract 22DL0148

Amount₱24,500,000.00 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 mLocation approximate

Before capture: 2019-07-13 · Maxar

After capture: 2025-09-19 · 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 two project titles are near-identical with no distinguishing markers or place names that would indicate different works. The locations are only 127 meters apart, and both are for 'Construction of Seawall' in Atimonan, Quezon, with the same contractor and type of work. The only difference is the funding year. This fits the rule's criteria for a potentially duplicated 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 Seawall Atimonan, Quezon22DL0148Flood control	100%	November 22, 2022	August 3, 2022	—	completedsumbong source

Start: March 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": "22DL0148",
  "coordinates": {
    "lat": 14.002923,
    "lon": 121.92557
  },
  "municipality": "ATIMONAN (QUEZON)",
  "distanceMeters": 127.45718430554915,
  "titleSimilarity": 0.9876543209876543
}

Source documents

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