Indicator C5 — Pattern Consistent with Contract Splitting

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

Pattern Consistent with Contract Splitting

Multiple similar contracts to the same contractor/DEO just under a threshold in a short window.

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

Indicator: 4 contracts awarded to 11-16 CONST by the same office started within 23 days, each between ₱42.5M and ₱50M (just under the ₱50M threshold), with 3 in the same municipality. It is possible that these are separate flood control projects in different barangays, planned and bid out at the same time for efficiency.

Public record entityConstruction of Flood Control Structure, Barangay Subec, Pagudpud, Ilocos Norte

LocationPAGUDPUD (ILOCOS NORTE), ILOCOS NORTE, Region IContract 23AA0261

Amount₱48,999,546.39 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 mLocation approximate

Before capture: 2021-11-05 · Maxar

After capture: 2024-12-21 · 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

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 Flood Control Structure, Barangay Subec, Pagudpud, Ilocos Norte23AA0261Flood control	100%	December 29, 2023	December 6, 2023	—	completedsumbong source

Start: April 25, 2023 · Source fetched October 21, 2026

Rule Definition

≥3 contracts within 120 days, each 85–100% of ₱50M threshold, similar titles.

Triggering Data & citations

Cluster of contracts just under procurement threshold with similar scope

{
  "deo": "Ilocos Norte 1st District Engineering Office",
  "contractId": "23AA0261",
  "contractor": "11-16 CONST",
  "windowDays": 120,
  "clusterSize": 4,
  "thresholdPhp": 50000000,
  "contractCostPhp": 48999546.39,
  "averageTitleSimilarity": 0.830501015716521
}

Source documents

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

Possible Innocent Explanations

Legitimate multi-lot procurement
Different sites under same program