Construction of Flood Mitigation Structure22DO0046

Construction of Flood Control Structures of Lukutang Malaki River (Tributary of Marikina River), Phase I, Sitio Anginan, Brgy. San Isidro, Rodriguez, Rizal

Construction of Flood Control Structures of Lukutang Malaki River (Tributary of Marikina River), Phase I, Sitio Anginan, Brgy. San Isidro, Rodriguez, Rizal is a DPWH-tracked public work in MONTALBAN (RIZAL), RIZAL, Region IV-A. Reported contract value: ₱65,620,000.00. Status: Reported complete (DPWH). Contractor on record: ALPHA & OMEGA GEN CONTRACTOR & DEVELOPMENT CORP. Figures trace to sumbong.

MONTALBAN (RIZAL), RIZAL, Region IV-A

Region: Region IV-A

Esri Wayback · ~0.5 mLocation approximate

Before capture: 2021-02-02 · Maxar

After capture: 2025-04-25 · 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

₱65,620,000.00

Progress100%

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

Money Trail

1. Appropriation

Probable match · score 93%

UACS: 18001
Amount: ₱20,000,000.00 (GAA By-Object, amounts in ₱'000 × 1,000)
Program / description: Construction of Flood Control Structures along Upper Marikina River (Phase I), Brgy. San Isidro, Rodriguez, Rizal
GAA fiscal year: FY2022

DBM GAA source document

2. Allotment

Office-level release, not tied to this specific contract

SARO SARO-BMB-A-22-0006797

₱262,000,000.00 · FY2022

DBM SARO listing (source)

Office-level release, not tied to this specific contract

SARO SARO-BMB-A-22-0002920

₱230,000,000.00 · FY2022

DBM SARO listing (source)

Office-level release, not tied to this specific contract

SARO SARO-BMB-A-22-0002752

₱85,000,000.00 · FY2022

DBM SARO listing (source)

Office-level release, not tied to this specific contract

SARO SARO-BMB-A-22-0002756

₱35,000,000.00 · FY2022

DBM SARO listing (source)

3. Procurement & Award

Confirmed (exact contract ID) · 100%

22-DO-0046

₱63,045,073.40 · ALPHA & OMEGA GEN. CONTRACTOR & DEVELOPMENT .

Contractor

ALPHA & OMEGA GEN CONTRACTOR & DEVELOPMENT CORP

141 projects · ₱11.1B total · 23 flags

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