Flood Control and Drainage21A00186

CONSTRUCTION/MAINTENANCE OF FLOOD MITIGATION STRUCTURES AND DRAINAGE SYSTEMS - CONSTRUCTION/MAINTENANCE OF REVETMENT ALONG DIAPPA CREEK, DOWNSTREAM OF DIAPPA BRIDGE, BATAC CITY, ILOCOS NORTE

CONSTRUCTION/MAINTENANCE OF FLOOD MITIGATION STRUCTURES AND DRAINAGE SYSTEMS - CONSTRUCTION/MAINTENANCE OF REVETMENT ALONG DIAPPA CREEK, DOWNSTREAM OF DIAPPA BRIDGE, BATAC CITY, ILOCOS NORTE is a DPWH-tracked public work in Ilocos Norte 2nd DEO, Region I. Reported contract value: ₱48,240,938.69. Status: Reported complete (DPWH). Contractor on record: MEGAPOLITAN BUILDERS AND CONST SUPPLY. Figures trace to dpwh.

Ilocos Norte 2nd DEO, Region I

Region: Region I

Esri Wayback · ~0.5 mLocation approximate

Before capture: 2021-01-09 · Maxar

After capture: 2025-04-24 · 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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Total Contract Cost

₱48,240,938.69

Progress100%

Source: DPWH Transparency Portal (via BetterGov.PH mirror, snapshot 22 Jan 2026); Sumbong sa Pangulo flood-control list where applicable

Follow the peso

2 of 5 steps linked to this project. Links are automated matches unless marked confirmed.

1. GAA budget line
FY2021 · ₱2,650
Probable match · score 0.86
DBM GAA source ↗
2. SARO / NCA release
No SARO/NCA found for this office and year. DBM publishes releases by agency and office, rarely by project.
3. PhilGEPS award
Not found in PhilGEPS by contract ID 21A00186 or title. The open PhilGEPS mirror does not include every DPWH notice.
4. DPWH progress + satellite
100% reported · imagery 2021-01-09 → 2025-04-24
Same record (DPWH contract ID)
DPWH Transparency Portal source ↗
5. COA audit finding
No COA finding names this project. COA audits DPWH by office each year; project-level findings are only linked when the report names the contract.

Site vs flood hazard · Project NOAH 100-year map

High flood hazard · Ilocos Norte

Based on the coordinates published with the DPWH record and NOAH file IlocosNorte.zip. Pins are sometimes placed at the town center rather than the site. NOAH data (ODbL) · Need vs spending by province

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Money Trail

1. Appropriation

Probable match · score 86%

UACS: 18001
Amount: ₱2,650,000.00 (GAA By-Object, amounts in ₱'000 × 1,000)
Program / description: Construction of Flood Control Structures along Bongo River (Left Bank), Marcos, Ilocos Norte
GAA fiscal year: FY2021

DBM GAA source document

2. Allotment

Agency-level releases for FY2021, not tied to this contract

Ilocos Norte 2nd DEO · SARO 1,294 (₱130,951,870,166.00) · NCA 1,353 (₱701,960,015,999.00)

Top SAROs
SARO SARO-BMB-A-21-0007375 · ₱6,904,444,500.00 · Source document
SARO SARO-BMB-A-21-0013649 · ₱4,508,400,000.00 · Source document
SARO SARO-BMB-A-21-0013374 · ₱3,722,000,000.00 · Source document
SARO SARO-BMB-A-21-0007571 · ₱3,693,237,000.00 · Source document
SARO SARO-BMB-A-21-0006795 · ₱2,927,625,813.00 · Source document

3. Procurement & Award

No PhilGEPS award linked in the link table for this contract yet.

Contractor

MEGAPOLITAN BUILDERS AND CONST SUPPLY

354 projects · ₱7.2B total · 6 flags

Other projects by this contractor

No sat.

CONSTRUCTION/MAINTENANCE OF FLOOD MITIGATION STRUCTURES AND DRAINAGE SYSTEMS - CONSTRUCTION OF SRIP AND ITS APPURTENANT STRUCTURE, CABANGARAN SRIP, BARANGAY CABANGARAN, VINTAR, ILOCOS NORTE

Region I, Region I

2025₱149.6M

Past target date (DPWH On-Going)

No sat.

CONSTRUCTION/ REHABILITATION OF FLOOD MITIGATION FACILITIES WITHIN MAJOR RIVER BASINS AND PRINCIPAL RIVERS, CONSTRUCTION OF FLOOD CONTROL STRUCTURE ALONG QUIAOIT RIVER, DOWNSTREAM, PHASE 1, ALWINALDO BRIDGE, BARANGAY MAIPALIG, BATAC CITY, ILOCOS NORTE

Ilocos Norte 2nd DEO, Region I

2025₱141.9M

Past target date (DPWH On-Going)

No sat.

CONSTRUCTION/ REHABILITATION OF FLOOD MITIGATION FACILITIES WITHIN MAJOR RIVER BASINS AND PRINCIPAL RIVERS, CONSTRUCTION OF FLOOD CONTROL STRUCTURE ALONG QUIAOIT RIVER, DOWNSTREAM, PHASE 2, ALWINALDO BRIDGE, BARANGAY MAIPALIG, BATAC CITY, ILOCOS NORTE

Ilocos Norte 2nd DEO, Region I

2025₱141.9M

Past target date (DPWH On-Going)

No sat.

CONSTRUCTION/REHABILITATION OF FLOOD MITIGATION FACILITIES WITHIN MAJOR RIVER BASINS AND PRINCIPAL RIVERS, CONSTRUCTION OF FLOOD CONTROL STRUCTURE ALONG QUIAOIT RIVER, BARANGAY MABALENG, BATAC CITY, ILOCOS NORTE

Region I, Region I

2024₱122.7M

Past target date (DPWH On-Going)

CONSTRUCTION/ MAINTENANCE OF FLOOD MITIGATION STRUCTURES AND DRAINAGE SYSTEMS, CONSTRUCTION OF QUIAOIT RIVER DIVERSION CANAL, BATAC CITY, ILOCOS NORTE

Region I, Region I

2024₱115.8M

Reported complete (DPWH)

No sat.

SUSTAINABLE INFRASTRUCTURE PROJECTS ALLEVIATING GAPS (SIPAG), CONSTRUCTION OF SWIP, BARANGAY CAMANDINGAN, CITY OF BATAC, ILOCOS NORTE

Region I, Region I

2025₱112.3M

Past target date (DPWH On-Going)

View all 354 projects →