Indicator C4 — Schedule / Date Anomalies

AI-verified / Na-verify ng AI Data as of October 21, 2026

Schedule / Date Anomalies

Completion before start, implausible duration for cost, or future dates marked complete.

This is a statistical anomaly or indicator worth examining — not proof of wrongdoing, fraud, or corruption against any person.

Indicator: contract 23AI0091 (₱14.51M) is recorded as completed in 27 days against 128 planned; similar-cost projects take a median of 182 days, putting it in the fastest 0.2%. This could be due to unusually efficient work, pre-fabrication, or favorable site conditions.

Public record entityConstruction of Flood Control Structure Located at Barangay San Joaquin, Balungao, Pangasinan

LocationBALUNGAO (PANGASINAN), PANGASINAN, Region IContract 23AI0091

Amount₱14,509,105.66 sumbong source

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

Satellite before / after

Esri Wayback · ~0.31 m

Before capture: 2021-12-25 · Maxar

After capture: 2025-05-21 · 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

Checked: October 22, 2026

The project was completed in 27 days, which is far below both the planned duration (128 days) and the peer median (182 days) for similar-cost projects, placing it in the fastest 0.2%. All relevant figures and record links are present, and the anomaly is clear and checkable. Innocent explanations are possible (e.g., pre-fabrication, unusually favorable conditions, or early start), but the pattern is genuinely unusual.

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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 Flood Control Structure Located at Barangay San Joaquin, Balungao, Pangasinan23AI0091Flood control	100%	August 6, 2023	April 27, 2023	—	completedsumbong source

Start: March 31, 2023 · Source fetched October 21, 2026

Rule Definition

Compares start, target, and actual dates from Sumbong with contract cost.

Triggering Data & citations

Contract schedule fields are inconsistent or implausible

{
  "issues": [
    "implausibly_short_duration"
  ],
  "startDate": "2023-03-31T00:00:00.000Z",
  "contractId": "23AI0091",
  "actualEndDate": "2023-04-27T00:00:00.000Z",
  "targetEndDate": "2023-08-05T00:00:00.000Z",
  "contractCostPhp": 14509105.66
}

Source documents

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

Possible Innocent Explanations

Revised dates not yet reflected in Sumbong export
Early completion certificate vs planned start typo