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 24OH0058 (₱28.94M) is recorded as completed in 87 days against 359 planned; similar-cost projects take a median of 239 days, putting it in the fastest 3.5%. The contractor may have deployed extra resources or worked overtime to finish ahead of schedule.

Public record entityConstruction of Drainage System, Revillen St. and Vicinity (J. Syquia St. to Tejeron St.), Manila

LocationCITY OF MANILA (METROPOLITAN MANILA), CITY OF MANILA, National Capital RegionContract 24OH0058

Amount₱28,936,681.15 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: 2023-07-06 · Maxar

After capture: 2025-04-25 · Maxar

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

Click imagery to enlarge

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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 Drainage System, Revillen St. and Vicinity (J. Syquia St. to Tejeron St.), Manila24OH0058Flood control	100%	March 13, 2025	June 14, 2024	—	completedsumbong source

Start: March 19, 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": "2024-03-19T00:00:00.000Z",
  "contractId": "24OH0058",
  "actualEndDate": "2024-06-14T00:00:00.000Z",
  "targetEndDate": "2025-03-12T00:00:00.000Z",
  "contractCostPhp": 28936681.15
}

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