Construction of Flood Mitigation Structure22OE0168

Construction of Retarding Basin at Estero de San Miguel, Manila City

Construction of Retarding Basin at Estero de San Miguel, Manila City is a DPWH-tracked public work in CITY OF MANILA (METROPOLITAN MANILA), CITY OF MANILA, National Capital Region. Reported contract value: ₱48,781,885.70. Status: Reported complete (DPWH). Contractor on record: ALPHA & OMEGA GEN CONTRACTOR & DEVELOPMENT CORP. Figures trace to sumbong.

CITY OF MANILA (METROPOLITAN MANILA), CITY OF MANILA, National Capital Region

Region: National Capital Region

Esri Wayback · ~0.5 mLocation approximate

Before capture: 2021-11-03 · Maxar

After capture: 2025-04-25 · Maxar

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

Loading satellite imagery…

Total Contract Cost

₱48,781,885.70

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 87%

UACS: 18001
Amount: ₱10,000,000.00 (GAA By-Object, amounts in ₱'000 × 1,000)
Program / description: Rehabilitation of Flood Control Structures and Facilities along Earnshaw St., (Estero de San Miguel to A.H. Lacson Ave.) and Antipolo St., (G. Tuazon to Espana Blvd.), Manila City
GAA fiscal year: FY2022

DBM GAA source document

2. Allotment

Office-level release, not tied to this specific contract

SARO SARO-BMB-A-22-0002993

₱593,500,000.00 · FY2022

Source

Office-level release, not tied to this specific contract

SARO SARO-BMB-A-22-0003032

₱339,314,000.00 · FY2022

Source

Office-level release, not tied to this specific contract

SARO SARO-NCR-22-0000888

₱435,026.00 · FY2022

Source

3. Procurement & Award

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

Contractor

ALPHA & OMEGA GEN CONTRACTOR & DEVELOPMENT CORP

84 projects · ₱5.7B total · 0 flags

Other projects by this contractor

Construction of Road Dike/Esplanade along Pangalaan River (Left Side), Naujan, Oriental Mindoro

NAUJAN (ORIENTAL MINDORO), ORIENTAL MINDORO, Region IV-B

2024₱289.5M

Reported complete (DPWH)

Construction of Road Dike/Esplanade along Sitio Katanlawan, Paluan, Occidental Mindoro

PALUAN (OCCIDENTAL MINDORO), OCCIDENTAL MINDORO, Region IV-B

2024₱241.2M

Reported complete (DPWH)

Construction of Concrete Revetment along Bulatukan River, Barangay Poblacion, Magsaysay, Davao del Sur

MAGSAYSAY (DAVAO DEL SUR), DAVAO DEL SUR, Region XI

2024₱115.8M

Reported complete (DPWH)

Construction of Flood Control along Kabasalan River (Phase II), FL Pena, Kabasalan, Zamboanga Sibugay

ZAMBOANGA SIBUGAY, Region IX

2021₱114.6M

Reported complete (DPWH)

Construction of Flood Control Structure at Sibuguey River, Sibuguey Br. Section (B00480MN) along Lanao - Pagadian - Zamboanga City Road (S01112MN), Zamboanga Sibugay (Phase II Downstream-Left Side) - Package 3

IMELDA (ZAMBOANGA SIBUGAY), ZAMBOANGA SIBUGAY, Region IX

2022₱101.3M

Reported complete (DPWH)