Buildings and Facilities17AA0595No coordinates published by DPWH

CONST. OF CLASSROOMS, 1 STOREY 3 CLASSROOM CALAMBEG ELEMENTARY SCHOOL, PIDDIG, ILOCOS NORTE

CONST. OF CLASSROOMS, 1 STOREY 3 CLASSROOM CALAMBEG ELEMENTARY SCHOOL, PIDDIG, ILOCOS NORTE is a DPWH-tracked public work in Ilocos Norte 1st DEO, Region I. Reported contract value: ₱3,767,478.58. Status: Reported complete (DPWH). Contractor on record: KATHA BUILDERS. Figures trace to dpwh.

Ilocos Norte 1st DEO, Region I

DPWH did not publish coordinates for this project. Location estimated from the project title (barangay level); satellite images may not show the exact site.

Region: Region I

Esri Wayback · ~0.5 mLocation estimated from title · may not show the exact site

Before capture: 2012-12-14 · DigitalGlobe

After capture: 2025-09-07 · 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

₱3,767,478.58

Progress100%

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

Follow the peso

1 of 5 steps linked to this project, 2 at office level only. Links are automated matches unless marked confirmed.

1. GAA budget line
District-office budget line, FY2017 · ₱50,000 (shared by many projects, not this project's own line)
Possible match · score 0.84
DBM GAA source ↗
2. SARO / NCA release
SARO SARO-BMB-E-17-0017541 · ₱1,955,200 · release to the district office, not itemized per project
Possible match · score 0.63
DBM release source ↗
3. PhilGEPS award
Not found in PhilGEPS by contract ID 17AA0595 or title. The open PhilGEPS mirror does not include every DPWH notice.
4. DPWH progress + satellite
100% reported · imagery 2012-12-14 → 2025-09-07
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.

Unit-cost benchmark · School building, cost per classroom (new school building)

₱1,255,826 per classroom= 0.7x the Region I median (n=898)

Contract cost ₱3,767,479 ÷ 3 classroom read from the DPWH title (“3 CLASSROOM”; classroom count in title). National percentile: 15. Higher unit cost can have legitimate causes (terrain, design, scope not stated in the title); this is a comparison, not a finding. Methodology

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Money Trail

1. Appropriation

Possible match · score 84%

UACS: 18001
Amount: ₱50,000,000.00 (GAA By-Object, amounts in ₱'000 × 1,000)
Program / description: Construction of Flood Control Structure along Cura River, Brgy. San Antonio, Piddig, Ilocos Norte
GAA fiscal year: FY2017

DBM GAA source document

2. Allotment

Office-level release, not tied to this specific contract

SARO SARO-BMB-E-17-0017541

₱1,955,200.00 · FY2017

Released to Regional Office - VI (office-level, not project-specific). This SARO/NCA funds the office's programme; DBM listings do not tie it to this contract.

DBM SARO listing (source)

3. Procurement & Award

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

Contractor

KATHA BUILDERS·SUPPLIES INC

236 projects · ₱11.1B total · 0 flags

Other projects by this contractor

No sat.

ORGANIZATIONAL OUTCOME 1: ENSURE SAFE AND RELIABLE NATIONAL ROAD SYSTEM - NETWORK DEVELOPMENT PROGRAM: CONSTRUCTION OF MISSING LINKS/NEW ROADS BAGUIO - LA TRINIDAD - ITOGON - SABLAN - TUBA AND TUBLAY, KAMOG JCT. - CALOT - PAPPA - BAGONG - BALLUAY - TUEL J