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Flood Control and Drainage21GK0103

CONSTRUCTION OF DRAINAGE STRUCTURE - CONSTRUCTION OF DRAINAGE SYSTEM AND FLOOD CONTROL STRUCTURES, BARANGAY MAMBULAC, SILAY CITY, NEGROS OCCIDENTAL

CONSTRUCTION OF DRAINAGE STRUCTURE - CONSTRUCTION OF DRAINAGE SYSTEM AND FLOOD CONTROL STRUCTURES, BARANGAY MAMBULAC, SILAY CITY, NEGROS OCCIDENTAL is a DPWH-tracked public work in Negros Occidental 1st DEO, Negros Island Region. Reported contract value: ₱2,969,979.55. Status: Reported complete (DPWH). Contractor on record: REDSON CONST AND SUPPLIES INC FORMERLY: REDSON CONST AND SUPPLIES. Figures trace to dpwh.

Negros Occidental 1st DEO, Negros Island Region
Region: Negros Island Region
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Total Contract Cost

₱2,969,979.55
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. 1. GAA budget line

    FY2021 · ₱3,000

    Probable match · score 0.96

    DBM GAA source ↗

  2. 2. SARO / NCA release

    No SARO/NCA found for this office and year. DBM publishes releases by agency and office, rarely by project.

  3. 3. PhilGEPS award

    Not found in PhilGEPS by contract ID 21GK0103 or title. The open PhilGEPS mirror does not include every DPWH notice.

  4. 4. DPWH progress + satellite

    100% reported · imagery 2018-11-08 → 2018-11-08

    Same record (DPWH contract ID)

    DPWH Transparency Portal source ↗

  5. 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 · Negros Occidental

Based on the coordinates published with the DPWH record and NOAH file NegrosOccidental.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 96%

UACS
18001
Amount
₱3,000,000.00 (GAA By-Object, amounts in ₱'000 × 1,000)
Program / description
Construction of Drainage System and Flood Control Structures, Barangay Mambulac, Silay City, Negros Occidental
GAA fiscal year
FY2021
DBM GAA source document

2. Allotment

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

Negros Occidental 1st DEO · SARO 1,294 (₱130,951,870,166.00) · NCA 1,353 (₱701,960,015,999.00)

3. Procurement & Award

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

Contractor

REDSON CONST AND SUPPLIES INC FORMERLY: REDSON CONST AND SUPPLIES
A

180 projects · ₱2.5B total · 6 flags

Other projects by this contractor

No sat.

CONSTRUCTION/CONCRETING OF SILAY-PATAG ACCESS ROAD LEADING TO PATAG VALLEY (PATAG VALLEY TREKKING), SILAY CITY, NEGROS OCCIDENTAL

Region VI, Region VI

2016₱144.7M
Reported complete (DPWH)

CONSTRUCTION OF FLOOD MITIGATION STRUCTURE - CONSTRUCTION OF FLOOD CONTROL STRUCTURE ALONG MALOGO RIVER (BOTH STREAM), ABUT. B VICTORIAS CITY, NEGROS OCCIDENTAL

Negros Occidental 1st DEO, Negros Island Region

2021₱96.5M
Reported complete (DPWH)
No sat.

CONSTRUCTION OF ROAD, MURCIA, NEGROS OCCIDENTAL

Negros Occidental 1st DEO, Negros Island Region

2024₱96.5M
Reported complete (DPWH)

Construction of Flood Control Structure of Malogo River, Abutment "B" Victorias City, Negros Occidental

CITY OF VICTORIAS (NEGROS OCCIDENTAL), NEGROS OCCIDENTAL, Region VI

2024₱96.5M
Reported complete (DPWH)

CONSTRUCTION OF FLOOD MITIGATION STRUCTURE - CONSTRUCTION OF FLOOD CONTROL STRUCTURE ALONG MALOGO RIVER (BOTH STREAM), ABUT. B VICTORIAS CITY, NEGROS OCCIDENTAL

Negros Occidental 1st DEO, Negros Island Region

2020₱96.5M
Reported complete (DPWH)

CONSTRUCTION OF FLOOD MITIGATION STRUCTURE - CONSTRUCTION OF FLOOD CONTROL STRUCTURE ALONG MALOGO RIVER (BOTH STREAM) ,ABUT. B VICTORIAS CITY, NEGROS OCCIDENTAL

Negros Occidental 1st DEO, Negros Island Region

2019₱94.0M
Reported complete (DPWH)
View all 180 projects →

4. Implementation

Contract Amount

₱2,969,979.55

Progress

Reported complete (DPWH)

Start Date

March 8, 2021

Target End

June 13, 2021

5. Audit

No COA audit observations linked to this project yet. See COA AAR sources.

Connected records

Where this project sits

Place (PSGC)
Negros Island Region (NIR)Negros OccidentalCity of SilayMambulac
Storms whose wind field reached it
Penha 2026Koto 2025Kalmaegi 2025Bualoi 2025
Hazard exposure
Storm surgeDetails in Hazard context above.Full hazard check →
El Niño outlook (province)
No PAGASA drought or dry flag for this province.El Niño readiness →

Exposure to a storm, hazard or drought outlook is context, not a finding about the project.