Indicator C4 — Schedule / Date Inconsistencies

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

Schedule / Date Inconsistencies

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 24DO0086 (₱144.75M) is recorded as completed in 122 days against 391 planned; similar-cost projects take a median of 377 days, putting it in the fastest 2.9%. The project may have benefited from unusually favorable conditions or efficient management.

Public record entityConstruction of Flood Control Structure along Upper Marikina River (Phase IX), San Mateo, Rizal

LocationSAN MATEO (RIZAL), RIZAL, Region IV-AContract 24DO0086

Amount₱144,750,000.00 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: 2019-10-13 · Maxar

After capture: 2025-04-25 · 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 122 days, which is much faster than both the planned duration (391 days) and the median for similar-cost projects (377 days), placing it in the fastest 2.9%. The data is complete and the anomaly is clear and significant. Innocent explanations (such as early completion due to favorable conditions or overestimated planning) are plausible but do not negate the anomaly's public value.

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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 along Upper Marikina River (Phase IX), San Mateo, Rizal24DO0086Flood control	100%	April 10, 2025	July 15, 2024	No target date from DPWH, so lateness cannot be computed	completedsumbong source

Start: March 15, 2024 · 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": "2024-03-15T00:00:00.000Z",
  "contractId": "24DO0086",
  "actualEndDate": "2024-07-15T00:00:00.000Z",
  "targetEndDate": "2025-04-09T00:00:00.000Z",
  "contractCostPhp": 144750000
}

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

Satellite before / after

Project completion

Rule Definition

Triggering Data & citations

Possible Innocent Explanations

Where this project sits