Rehabilitation / Major Repair of Drainage Structure22OG0119

Rehabilitation and Drainage Input of Various Alleys, San Martin de Porres, Quezon City

Rehabilitation and Drainage Input of Various Alleys, San Martin de Porres, Quezon City is a DPWH-tracked public work in QUEZON CITY (METROPOLITAN MANILA), QUEZON CITY, National Capital Region. Reported contract value: ₱7,902,183.52. Status: Reported complete (DPWH). Contractor on record: DIADEMA CONST AND ENT INC FORMERLY: DIADEMA ENT. Figures trace to sumbong.

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

Region: National Capital Region

Esri Wayback · ~0.5 m

Before capture: 2021-11-03 · 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

₱7,902,183.52

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, 1 at office level only. Links are automated matches unless marked confirmed.

1. GAA budget line
FY2022 · ₱40,000
Probable match · score 0.88
DBM GAA source ↗
2. SARO / NCA release
SARO SARO-BMB-A-22-0003130 · ₱960,579,000
Possible match · score 0.60
DBM release source ↗
3. PhilGEPS award
Not found in PhilGEPS by contract ID 22OG0119 or title. The open PhilGEPS mirror does not include every DPWH notice.
4. DPWH progress + satellite
100% reported · imagery 2021-11-03 → 2025-04-25
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 · NCR, Second District

Based on the coordinates published with the DPWH record and NOAH file Metro Manila.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 88%

UACS: 18001
Amount: ₱40,000,000.00 (GAA By-Object, amounts in ₱'000 × 1,000)
Program / description: Rehabilitation of Flood Control Structure, San Juan River (Phase 6), Quezon City
GAA fiscal year: FY2022

DBM GAA source document