Flood Control and Drainage20NA0020

CONST./ MAINT. OF FLOOD MITIGATION STRUCTURES & DRAINAGE SYSTEMS-CONSTRUCTION/IMPROVEMENT OF GUINOYORAN RIVER FLOOD CONTROL WITH RECHANNELIZATION (DOWNSTREAM SECTION), SANTIAGO, AGUSAN DEL NORTE

CONST./ MAINT. OF FLOOD MITIGATION STRUCTURES & DRAINAGE SYSTEMS-CONSTRUCTION/IMPROVEMENT OF GUINOYORAN RIVER FLOOD CONTROL WITH RECHANNELIZATION (DOWNSTREAM SECTION), SANTIAGO, AGUSAN DEL NORTE is a DPWH-tracked public work in Agusan del Norte DEO, Region XIII. Reported contract value: ₱24,499,997.81. Status: Reported complete (DPWH). Contractor on record: ERRA CONST AND DEVELOPMENT INC FORMERLY ERRA CONST. Figures trace to dpwh.

Agusan del Norte DEO, Region XIII

Region: Region XIII

Esri Wayback · ~0.5 mLocation approximate

Before capture: 2013-05-05 · Maxar

After capture: 2025-11-12 · 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

₱24,499,997.81

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
FY2020 · ₱25,000
Probable match · score 0.92
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 20NA0020 or title. The open PhilGEPS mirror does not include every DPWH notice.
4. DPWH progress + satellite
100% reported · imagery 2013-05-05 → 2025-11-12
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

Outside mapped flood-hazard zones · Agusan del Norte

Based on the coordinates published with the DPWH record and NOAH file AgusanDelNorte.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 92%

UACS: 18001
Amount: ₱25,000,000.00 (GAA By-Object, amounts in ₱'000 × 1,000)
Program / description: Construction/Improvement of Guinoyoran River Flood Control with Rechannelization (Downstream Section), Santiago, Agusan del Norte
GAA fiscal year: FY2020

DBM GAA source document

2. Allotment

Agency-level releases for FY2020, not tied to this contract

Agusan del Norte DEO · SARO 1,970 (₱160,521,624,356.00) · NCA 998 (₱407,918,568,220.27)

Top SAROs
SARO SARO-BMB-A-20-0016037 · ₱18,930,047,000.00 · Source document
SARO SARO-BMB-A-20-0011407 · ₱12,743,221,393.00 · Source document
SARO SARO-BMB-A-20-0014152 · ₱10,338,722,684.00 · Source document
SARO SARO-BMB-A-20-0016030 · ₱9,635,381,000.00 · Source document
SARO SARO-BMB-A-20-0016216 · ₱9,094,827,000.00 · Source document

3. Procurement & Award

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

Contractor

ERRA CONST AND DEVELOPMENT INC FORMERLY ERRA CONST

14 projects · ₱427.2M total · 2 flags

Other projects by this contractor

No sat.

Construction of Guihao-an Riverbank Protection along Barangay Rizal, Buenavista, Agusan del Norte

BUENAVISTA (AGUSAN DEL NORTE), AGUSAN DEL NORTE, Region XIII

2024₱67.3M

Reported complete (DPWH)

No sat.

CONSTRUCTION/MAINTENANCE OF FLOOD MITIGATION STRUCTURES AND DRAINAGE SYSTEMS-CONSTRUCTION IMPROVEMENT OF GUIHAO-AN RIVER BANK PROTECTION ALONG GUIHAO-AN BRIDGE WITH RECHANNELIZATION, BUENAVISTA, AGUSAN DEL NORTE

Agusan del Norte DEO, Region XIII

2019₱58.3M

Reported complete (DPWH)

No sat.

CONSTRUCTION OF FLOOD CONTROL STRUCTURE, GUINOYORAN RIVER, DOWNSTREAM SECTION, SANTIAGO, AGUSAN DEL NORTE

Agusan del Norte DEO, Region XIII

2025₱48.2M

Reported complete (DPWH)

No sat.

Construction of Guinoyoran River Flood Control (Downstream Section), Santiago, Agusan del Norte

SANTIAGO (AGUSAN DEL NORTE), AGUSAN DEL NORTE, Region XIII

2024₱48.2M