Construction Space Metrics Philippines
Also known as: Building metrics · Space metrics · NBCP metrics · Structural metrics of the Philippines
Definition
Construction and Space Metrics in the Philippines refers to the system of technical measurements, building codes, and space allocation ratios used to regulate structural design and urban density. Anchored under the National Building Code of the Philippines (Presidential Decree No. 1096), these metrics include Gross Floor Area (GFA), Floor Area Ratio (FAR), setback regulations, building height limits (BHL), and parking space requirements. (Official Gazette)
Identities
| Source Type | Identity |
|---|---|
| Wikipedia | N/A |
| Wikidata | N/A |
| DBpedia | N/A |
| ProductOntology | N/A |
| Wiktionary | N/A |
| Library of Congress Subject Headings (LCSH) | Building laws — Specifications — Philippines |
| MeSH | N/A |
| NCBI Taxonomy | N/A |
| AGROVOC | N/A |
| Google Scholar | construction space metrics building code GFA FAR Philippines |
| ConceptNet | N/A |
| OpenCyc | N/A |
Also Known As
- Building metrics
- Space metrics
- NBCP metrics
- Structural metrics of the Philippines
Examples and Analogies
- Floor Area Ratio (FAR): The ratio of a building’s total floor area to the size of the land it is built on, which determines how high a developer can build in a specific LGU zone.
- Gross Floor Area (GFA): The total area of a building within its outer walls, excluding specific spaces like open balconies and parking basements under code definitions. (Official Gazette)
Usage Scenarios
1. Project Planning
An architectural team computes the FAR and GFA of a proposed skyscraper to verify compliance with LGU zoning and setback laws. (Official Gazette)
2. Building Permit Review
A municipal engineer reviews building plans to verify that the proposed emergency exit widths and setbacks comply with PD 1096.
Strategies
- Consult a licensed architect to compute your project’s allowable GFA and FAR based on local zoning ordinances.
- Relate GFA calculations directly to local building setbacks to optimize structural design layouts.
- Verify that parking space metrics meet the minimum requirements outlined in the National Building Code (PD 1096).
Security and Safety Measures
- Do not start construction without securing a building permit, which requires a technical review of all space metrics by the LGU.
- Ensure structural designs incorporate earthquake safety factors required by the National Structural Code of the Philippines (NSCP).
- Report any unauthorized height or setback extensions to the local building official.
Historical Context
Early building codes in the Philippines were fragmented, leading to unsafe structures. To standardize metrics, President Ferdinand Marcos signed Presidential Decree No. 1096 (the National Building Code of the Philippines) into law on February 19, 1977. The code established the unified technical metrics used by geodetic, civil, and architectural professionals today. (Official Gazette)
Challenges and Controversies
Outdated Structural Standards
The National Building Code is decades old, leading to controversies regarding how to apply its space metrics to modern green buildings, vertical townships, and telecommunications towers.
Non-Compliant Setbacks
Many informal structures and commercial developers in high-density urban areas violate setback and easement metrics, increasing fire hazards and road congestion.