Philippine Construction
Knowledge Base

🎨 Cost · Finishing · New

Tile & Painting Cost Per Sqm Philippines 2026

Your walls are two to three times your floor area. Price bands for both trades, plus the tiles, bags and cans your room actually needs.

September 5, 2026 · 11 min read

📊 Cost Control · Contracts · New

Progress Billing: Are You Paying Ahead?

The roof is on and it looks 80% done. It is 55% of the money. Check what you have released against what is actually built.

September 5, 2026 · 12 min read

🏪 Commercial · Fit-Out · New

Tenant Fit-Out Requirements: The Landlord's Rules

The LGU permit is not what delays openings. Deposits, joint-name insurance, sealed as-builts and 8:30-6:00 work hours are.

September 5, 2026 · 12 min read

📐 Offshore · Cost Model · New

Outsourcing Structural Drafting: What It Costs

An in-house drafter costs the same in a slow month. Burden, utilisation, and the review hours that can cancel the saving entirely.

September 5, 2026 · 11 min read

📄 Contracts · Risk · New

Lump Sum vs Cost-Plus vs Labor-Only Contracts

There is no cheapest contract, only who carries which risk. What Article 1724 says about variations, and a side-by-side cost model.

September 5, 2026 · 13 min read

🏗️ Structural · Renovation · New

Can Your Bungalow Take a Second Floor?

What a second storey really adds to your columns and footings, and the four hidden conditions that decide whether it is possible. Free screening check.

September 4, 2026 · 11 min read

🧱 Materials · Masonry · New

CHB Size Philippines: Nominal vs Actual

A 400 x 200 block is not 400 x 200. Specified dimensions, face shell minimums under PNS ASTM C90:2019, and wall dead load in kPa.

September 4, 2026 · 9 min read

🏠 Cost · Roofing · New

Roofing Cost Per Sqm Philippines 2026

Roof area is bigger than floor area. Cost bands by profile and gauge, plus the wind uplift your connections actually have to hold.

September 4, 2026 · 10 min read

⛰️ Cost · Geotechnical · New

Retaining Wall Cost Philippines 2026

Cost per linear metre by type and height, and why doubling the height more than doubles the price. Includes the drainage detail that decides it.

September 4, 2026 · 9 min read

⛏ Materials · Price · New

Sand & Gravel Price Philippines 2026

Prices per cubic metre and per truckload, aggregate quantities by mix class, and the five-minute jar test that catches silty sand.

September 4, 2026 · 8 min read

🔍 Hiring · Cost Control · New

Is Your Contractor's Quote Fair?

Put the quote against real 2026 cost bands, and see the seven line items a cheap one has almost certainly left out. Free reality checker.

September 4, 2026 · 10 min read

🏚 Renovation · Decision · New

Renovate or Demolish and Rebuild?

Both paths costed side by side with demolition bands by structure type and the permit fees each attracts — plus the crossover point. Free calculator.

September 4, 2026 · 11 min read

🧾 Permits · Fees · New

Building Permit Fee Calculator — PD 1096

The real fee schedule, including the part almost every online calculator gets wrong: residential building fees are flat-rate, commercial ones are cumulative.

September 4, 2026 · 11 min read

💰 Budgeting · Planning · New

What Your Budget Can Actually Build

Every other calculator goes area to cost. This one runs backwards — budget in, honest floor area out, after the 20–30% that comes off the top first.

September 4, 2026 · 10 min read

📅 Compliance · Commercial · New

Annual Commercial Building Compliance

The yearly renewal cycle most owners only half know — including the FSMR that gates your FSIC, which gates your business permit. With the fee schedule.

September 4, 2026 · 11 min read

🌎 Design & Build · New

Building a House in the Philippines While Working Abroad

The SPA and apostille rules by country, a milestone payment release schedule with retention, and what “verified progress” must mean before you send money. Free release planner.

September 4, 2026 · 12 min read

📊 Estimating · New

BOQ, BOM, POW & DUPA — The Philippine Bid Package

What each document is for, and exactly how DPWH D.O. 30 s.2025 turns a direct cost into a bid unit price through OCM, profit and VAT. Free DUPA calculator.

September 4, 2026 · 13 min read

📐 Design & Build · New

What a Design & Build Package Includes

Every drawing by discipline, which licensed professional must seal each one, and the permit it unlocks — plus why a civil engineer cannot sign the architectural set. Free scope builder.

September 4, 2026 · 12 min read

🧪 Materials · New

Bill of Materials for a House — Real Quantities

Cement, sand, gravel, CHB, rebar and roofing generated from your floor area — with every assumption printed so you can correct it. Free BOM generator.

September 4, 2026 · 11 min read

🌐 Engineering Services · New

Outsourced Structural Engineering — What You Get

Deliverables and native file formats, who reviews and seals, the QA steps, and the scoping inputs that decide whether it works. Free scoping sheet builder.

September 4, 2026 · 11 min read

🏢 Construction Cost · New

Office Fit-Out Cost Philippines — Per Sqm Budget Guide

What a fit-out costs per sqm by grade, the line items that sit outside the contractor’s quote, and the alteration permit fees — plus a free budget calculator.

September 3, 2026 · 10 min read

📋 Permits & Compliance · New

Building Parking Requirements Philippines — Table VII.4

The parking ratio for every occupancy, prescribed slot sizes, the 50% rounding rule — and the occupancies the Code never gives a number for. Free slot calculator.

September 3, 2026 · 9 min read

❄️ MEPFS · New

Aircon Tonnage Sizing Philippines — Cooling Load & Fees

Cooling load by the component method, the 20–24°C and 50–60% RH the Code actually requires, and the permit fee per ton — plus a free tonnage calculator.

September 3, 2026 · 9 min read

⚡ MEPFS · New

Electrical Service Sizing Philippines — Load to Breaker

How connected load becomes a demand load, a main breaker and a transformer — plus the IRR permit fee schedule and a free service sizing calculator.

September 3, 2026 · 9 min read

🏭 Industrial & Logistics · New

Warehouse & Cold Storage Design Brief Philippines

Occupancy classification, the exit-count rule almost nobody checks, clear height, floor loading, cold storage envelope decisions — plus a free occupant load & exit checker.

September 1, 2026 · 8 min read

🔧 Building Operations · New

Building Preventive Maintenance Philippines — PMS Scope & Cost

The annual inspections and certificates your commercial building must hold, what a real PMS scope contains, how contracts are priced — plus a free annual inspection fee estimator.

September 1, 2026 · 9 min read

📋 Permits & Compliance · New

Commercial Fit-Out Permits Philippines — What Tenants Must File

Landlord approval is not a government permit. Which fit-out works are exempt, the seven ancillary permits, change-of-use rules — plus a free permit scope checker.

September 1, 2026 · 9 min read

🧪 Materials · New

Concrete Mix Ratio Philippines — Class AA, A, B and C Explained

Bags of cement, sand and gravel per cubic meter for every mix class — plus the trap that catches most builders: DPWH Class C is stronger than Class B, the reverse of site-mix ordering.

August 30, 2026 · 9 min read

🕳 Geotechnical · New

Soil Boring Test Cost Philippines — Price and How Many Boreholes

₱25,000–35,000 per borehole, the NSCP 2015 rules for how many holes and how deep, how to read a quote without getting short-changed, and when skipping it is defensible.

August 30, 2026 · 9 min read

📏 Permits · New

Building Setback Requirements Philippines — Which Rule Actually Governs

Why published setback figures contradict each other, the four overlapping layers that all apply to your lot at once, and how to get the number that actually binds — with a free layer checker.

August 30, 2026 · 8 min read

🌋 Geohazards · New

Nepal, August 2026 — Why Sound Concrete Buildings Get Swept Away Whole

A debris flow hits a wall at up to 48× the pressure the code designs for wind — then scours the footing out from under it. The mechanics, a free force calculator, and what it means for Philippine sites.

August 29, 2026 · 11 min read

🔧 MEPFS · New

MEPFS Explained: What It Covers, and Why It's Where Projects Go Over Budget

Mechanical, Electrical, Plumbing, Fire Protection & Sanitary — what each discipline covers, and why poor coordination between them is the top source of change orders.

August 28, 2026 · 7 min read

⚡ Permits & Compliance · New

Why Your Electrical Inspection Needs a DOLE-Accredited PE (Not Just Any Electrician)

A PRC license alone doesn't clear DOLE. Why the Certificate of Appearance matters, and what stalls your permit without one.

August 28, 2026 · 6 min read

🔥 Building Safety · New

How Commercial Fires Start in the Philippines — and What Stops Them

BFP data puts electrical faults first. The real risk stack in restaurants and commercial buildings — plus a free 10-point fire-risk self-audit.

August 26, 2026 · 9 min read

📋 Permits & Compliance · New

Annual Electrical Safety Inspection — Who Signs It, and What It Costs to Skip

DOLE requires it yearly. Which PRC license can legally certify yours, and why non-compliance runs ₱20,000–₱100,000 per day.

August 26, 2026 · 8 min read

💰 Construction Cost · 2026 · New

Construction Labor Rates Philippines 2026 — Daily & Pakyaw

Daily wages by trade, pakyaw rates per sqm, and the new ₱755 NCR minimum wage — plus a free labor cost calculator.

August 26, 2026 · 9 min read

💰 Construction Cost · 2026 · New

Ready-Mix Concrete Price Philippines 2026 — Per Cubic Meter

₱4,500–₱5,700 per m³ by PSI and curing spec — plus a free volume/cost calculator and the site-mix comparison.

August 26, 2026 · 8 min read

💰 Construction Cost · 2026 · New

Cement Price Per Bag Philippines 2026 — Type 1 & Type 1P

₱240–₱300 per 40kg bag by type and region — plus a free bags-needed calculator for concrete, CHB mortar, and plaster.

August 26, 2026 · 7 min read

📋 Permits & Compliance · New

Fire Safety Inspection Certificate (FSIC) Philippines — Complete Guide

FSEC vs FSIC, occupancy classifications, BFP fee schedule, and why it gates your occupancy permit — RA 9514 explained.

August 24, 2026 · 8 min read

📋 Construction Law · New

Contractor's All Risk (CAR) Insurance Philippines — Coverage & Cost Guide

What CAR insurance covers, how it differs from performance/bid bonds, and RA 9184's 30% performance bond rule.

August 24, 2026 · 8 min read

🏗️ Structural · Materials · New

Modular & Prefab Construction Philippines 2026 — Cost, Pros & Cons

₱10,000–20,000/sqm vs ₱15,000–60,000/sqm traditional — real pros, cons, and when precast modules make sense.

August 24, 2026 · 9 min read

🏗️ Structural Safety · New

Post-Typhoon Building Inspection Checklist Philippines 2026

What to check before moving back in — roof, foundation, walls, electrical & drainage. A room-by-room checklist from a licensed engineer.

August 23, 2026 · 9 min read

♿ BP344 · Fixture Heights · New

BP344 Grab Bar Height Philippines — Fixture Height Guide (2024 IRR)

Every grab bar and bathroom fixture height in one table — L-type bar, lavatory, urinal, mirror — plus a free height checker.

August 23, 2026 · 8 min read

💰 Construction Cost · 2026 · New

Steel Rebar Price Philippines 2026 — Per Kg & Per Length

₱37–47 per kg by size — plus a free weight and cost calculator for 10mm–20mm deformed bars.

August 23, 2026 · 7 min read

🏗️ Engineering Practice · New

Outsourcing Structural Engineering: What Actually Goes Wrong

It's almost never the engineering. Five handover failures that sink outsourced structural work — and the scoping sheet that prevents them.

August 23, 2026 · 11 min read

♿ BP344 · Tactile Blocks & Bollards · New

BP344 Tactile Paving Blocks & Bollards Philippines (2024 IRR)

Directional, warning & positional tactile block types, dimensions and contrast — plus bollard height and spacing rules.

August 21, 2026 · 9 min read

💰 Construction Cost · 2026 · New

AAC Block Price Per Piece Philippines (2026) — By Thickness

₱131–523 per piece depending on thickness and strength grade — plus a free price calculator and CHB comparison.

August 20, 2026 · 8 min read

📐 Geotechnical · Free Calculator · New

Retaining Wall Design Calculator Philippines — Stability Check

Check overturning, sliding, and bearing pressure for a cantilever retaining wall using Rankine earth pressure theory — free calculator plus the engineering behind it.

August 14, 2026 · 10 min read

🚰 Plumbing Code · Free Calculator · New

Water Tank Sizing Calculator Philippines — Cistern Guide

Size your cistern and overhead water tank using NPC's 1-day storage rule and LWUA per-capita demand — free calculator plus real Philippine tank sizes.

August 14, 2026 · 9 min read

🚿 Plumbing Code · Free Calculator · New

Drain Pipe Sizing Calculator Philippines — NPC DFU Guide

Size drain, branch, and vent pipes per NPC Table 7-5 — Drainage Fixture Units by fixture, pipe capacity table, and a free calculator.

August 14, 2026 · 9 min read

📐 NSCP 2015 · Free Tool · New

NSCP Footing Size Calculator Philippines — Table 304-1 Guide

Size a spread footing per NSCP 2015 Table 304-1 allowable bearing pressure — 5 soil classes, the depth-bonus rule, and a free calculator.

August 13, 2026 · 9 min read

💰 Materials Checklist · New

House Construction Materials List Philippines — Phase-by-Phase Checklist

Every material by construction phase — foundation to turnover — with verified quantities and current 2026 prices.

August 13, 2026 · 10 min read

⚠️ Update · Structural Safety · New

Angeles City Collapse Update — Charges Filed, ₱11.4M in DOLE Fines

Owner, contractor, and site engineer now face reckless imprudence charges. What DOLE's ₱11.4M fine order says, and why the engineer was named personally.

August 12, 2026 · 7 min read

🚿 Plumbing Code · Free Calculator · New

Septic Tank Sizing Philippines — NPC Table B-2 Guide + Free Calculator

How big should your septic tank be? NPC Appendix B sizing by bedroom count, soil-type leaching area, and setbacks — plus a free calculator.

August 12, 2026 · 9 min read

📐 NSCP 2015 · Free Tool

NSCP Two-Way Slab Thickness Calculator Philippines — Section 408

Flat plate/flat slab or beam-supported panel — minimum thickness out instantly.

August 9, 2026 · 13 min read

📐 NSCP 2015 · Free Tool

NSCP One-Way Slab Thickness Calculator Philippines — Section 407

Span and support condition in — minimum thickness, As,min reinforcement, and bar spacing out instantly.

August 7, 2026 · 12 min read

💰 Construction Cost · 2026

CHB / Hollow Blocks Price Philippines 2026 — Per Piece

₱13–30 per piece depending on size and where you buy — plus a free price calculator, buying guide, and delivery checklist.

August 4, 2026 · 7 min read

💰 Construction Cost · 2026

CHB & Cyclone Wire Fence Cost Philippines 2026 — Per Linear Meter

₱950–4,870 per linear meter by fence type, height, and finish — plus a free fence cost calculator.

August 3, 2026 · 8 min read

💰 Construction Cost · 2026

Apartment & Boarding House Construction Cost Philippines 2026

₱18,000–48,000 per sqm by tier, plus real cost-per-door figures for bedspacer rooms and self-contained studio apartment units.

August 2, 2026 · 8 min read

🔧 Free Calculator · Cost 2026

Waterproofing Cost Philippines 2026 — Free Calculator

Enter your area and get material quantity, material cost, and labor cost instantly — acrylic, cementitious, membrane, and tank epoxy.

August 19, 2026 · 8 min read

💰 Construction Cost · 2026

CHB Wall & Plastering Cost Per Sqm Philippines (2026)

How much CHB walls and cement plastering cost per square meter — materials, labor, and a full worked breakdown for 4-inch and 6-inch walls.

August 2, 2026 · 7 min read

💰 Construction Cost · PSA Data

Construction Material Price Trends Philippines 2026 — PSA Data Tracker

Retail and wholesale material price trends tracked from official PSA data — cement, rebar, painting, electrical, masonry, and plumbing. Updated quarterly.

July 31, 2026 · 6 min read

🚿 Plumbing Code · New

National Plumbing Code of the Philippines — Complete Guide

RA 1378 and the Revised National Plumbing Code (NPC 2000) explained: legal basis, licensing, the 8-step permit process, and a free 14-chapter interactive reference.

July 30, 2026 · 10 min read

📐 NSCP 2015 · Free Tool

NSCP 2015 Soil Profile Type Classifier — SA to SF + Free Calculator

Enter shear wave velocity, SPT N-value, or undrained shear strength — get your site's soil profile type per Table 208-2 instantly.

July 24, 2026 · 8 min read

📍 Locations · Negros Oriental

Building in Negros Oriental — A Town-by-Town Construction Guide

Coastal, upland, and flatland construction differences across all 19 Negros Oriental towns we serve, plus 2026 cost-per-sqm by town.

July 24, 2026 · 9 min read

🏗️ Structural Safety · New

7 Warning Signs Your Building Needs a Structural Assessment

Not every wall crack is dangerous — but some are. A licensed engineer's guide to the 7 real warning signs, plus a quick reference for cosmetic vs. structural.

July 22, 2026 · 8 min read

💰 Financing · New

House Construction Loan Philippines 2026 — Pag-IBIG vs Bank Financing

Pag-IBIG's up to ₱10M housing loan vs bank construction loans: 2026 rates, requirements, loan-to-value, and the documents lenders actually ask for when you're building.

July 19, 2026 · 10 min read

⚖️ Construction Law · Free Window Checker

Engineer & Architect Liability Law Philippines — The 15-Year Rule (Civil Code Art. 1723)

The full text of Article 1723: engineers, architects, and contractors are liable for building collapse for 15 years after completion, plus a separate 10-year deadline to sue — with a free liability window checker.

July 18, 2026 · 11 min read

🏚️ Breaking · Structural Audits

DILG Orders Structural Audits Nationwide — What It Means If You Own a Private Building Too

DILG-Davao's post-earthquake audit program is reviving a standing nationwide mandate that already covers private buildings. What a real structural audit checks, and what happens if you skip it.

July 17, 2026 · 9 min read

📋 Permits & Compliance · Guide

Occupancy Permit Philippines 2026 — The Complete Requirements & Process Guide

The full Certificate of Occupancy checklist, the 30-day statutory timeline under PD 1096, real fee factors, and why applications get delayed.

July 15, 2026 · 9 min read

🏚️ Earthquake · Structural Assessment

Seismic Retrofit Philippines 2026 — Methods, Real Costs & the Retrofit-vs-Rebuild Decision

Your building was flagged as damaged or at-risk after the Mindanao earthquake. Here's how retrofit actually works — real methods, honest cost ranges, and the 60% rule DPWH uses to decide retrofit vs. rebuild.

July 13, 2026 · 10 min read

📸 Site Documentation · Loan Releases

Construction Progress Photo Documentation Philippines — Bank & Client Requirements

What banks and clients actually require in progress photos — GPS proof, map verification, dated records — and how to produce a client-ready report without manual work.

July 11, 2026 · 6 min read

📋 Site Documentation · Free Template

Daily Construction Report Format Philippines — Free Template & Guide

What every DCR needs, a filled example, common mistakes, and how voice-to-report AI turns a spoken update into a formatted PDF in under a minute.

July 11, 2026 · 7 min read

💰 Cost Comparison · Free Calculator

Construction Cost Per Square Meter Philippines 2026 — Every Building Type Compared

House, commercial, warehouse, and renovation cost-per-sqm figures side by side, by finish tier — plus a free calculator and what a quoted rate does and doesn't include.

July 10, 2026 · 8 min read

♿ BP344 · Accessible Parking + Free Calculator

BP344 Accessible Parking Requirements Philippines — Dimensions, Ratio & Signage (2024 IRR)

The full accessible parking standard: 4,000mm × 5,000mm slot, 1,200mm access aisle, the required-slot ratio table by lot size, location and signage rules — plus a free slot calculator.

July 10, 2026 · 10 min read

♿ BP344 · Accessible Toilet + Free Checker

BP344 Accessible Toilet Dimensions Philippines — PWD Restroom Guide (2024 IRR)

The full accessible comfort-room standard: 1,800mm × 1,800mm cubicle, 900mm outward door, 450mm water closet, L-type grab bars, roll-under lavatory — plus a free compliance checker.

July 9, 2026 · 10 min read

🏛️ Breaking · Building Code Reform

DPWH Orders First National Building Code Review in 21 Years — What the NBCRC Could Change

Special Order 155 reconstituted the National Building Code Review Committee — a third, administrative reform track running alongside HB 6615 and SB 2158. Here's how it differs and what it means now.

July 7, 2026 · 9 min read

🏫 Analysis · Education Infrastructure

3.2 Million Students, 8,642 Schools — What the Mindanao Earthquake Exposed About School Building Safety

An old building at Matanao National High School collapsed. Over 500 classrooms damaged. Why schools legally carry a higher NSCP seismic rating than ordinary buildings — and what to check now.

July 4, 2026 · 8 min read

⚠️ Analysis · Infrastructure Integrity

Ghost Projects, Real Collapses — Why Philippine Buildings and Bridges Keep Failing

₱180B in phantom flood-control projects. A collapsed Angeles City building. A washed-out Davao bridge. A licensed engineer connects the dots — and what it means for your own project.

July 2, 2026 · 9 min read

📋 Construction Law · Government Procurement

RA 12009 Philippines: New Government Procurement Act — What It Means for Contractors 2026

Design-build codified. Lowest-bid gone. PhilGEPS mandatory. ₱530.89B DPWH budget. Here's what RA 12009 changed from RA 9184 and what every contractor must do now.

July 1, 2026 · 10 min read

🌍 Earthquake · Global Seismic News

Japan, Venezuela & California Quakes in 24 Hours — Is PH's Ring of Fire Next?

Venezuela's earthquake doublet: 1,943+ dead, 50,000 missing, 800 buildings collapsed (updated July 1). We fact-check the "Ring of Fire" claim and what it means for the Philippines.

June 25, 2026 · Updated July 1 · 9 min read

🌍 Earthquake · Seismic Hazard

PHIVOLCS Just Named 6 Trenches That Could Each Produce a Magnitude 8+ Quake — Here's Where They Are

Days after the M7.8 Mindanao earthquake, PHIVOLCS named five more active trenches capable of magnitude 8+ events. Where each one sits, who's nearest, and an interactive self-check for your building.

June 23, 2026 · 10 min read

🔴 Analysis · Building Resilience

Pampanga to Sarangani — The Real Lesson Behind 2 Disasters in 15 Days

A negligent collapse in Pampanga, a M7.8 earthquake in Sarangani — 15 days apart, the same engineering gaps. Soft-storey risk, liquefaction, and a practical resilience checklist for building owners.

June 20, 2026 · 11 min read

📋 Permits & Compliance · Guide

Building Permit Philippines 2026 — Requirements, Process & Cost (Step by Step)

The 4-stage process, full document checklist, the engineer-sealed plans you must submit, realistic timelines and fees, and why permits get rejected.

June 15, 2026 · 11 min read

🇵🇭 Filipino · Building Permit

Paano Kumuha ng Building Permit sa Pilipinas 2026 — Requirements, Proseso at Bayad

Ang 4 na yugto, buong listahan ng dokumento, ang sealed plans na kailangan, timeline at bayad, at bakit nare-reject ang aplikasyon.

Hunyo 15, 2026 · 11 min basahin

💰 Cost Guide · Renovation

House Renovation Cost Philippines 2026 — Cosmetic to Full Gut (Per Sqm Guide)

Indicative per-sqm cost ranges for cosmetic, mid-range, and full gut renovations, room-by-room costs, when a renovation needs a permit and an engineer, and the red flags that blow budgets.

June 15, 2026 · 9 min read

🇵🇭 Filipino · Lindol Engineering

Lindol sa Mindanao 2026 (M7.8) — Bakit May Gumuho at May Tumayo | Gabay ng Inhinyero

Ang Cotabato Trench, kung bakit may gumuhong gusali at may tumayo sa parehong lindol, ang apat na failure modes (soft storey, CHB, malalambot na haligi, lupa), at ang proteksyon ng NSCP 2015 §208.

Hunyo 15, 2026 · 10 min basahin

🏗️ Structural · Foundation Design

Building Foundation Types Philippines — Spread Footing, Raft, or Piles? What Your Soil Decides (2026)

How soil and load determine the right foundation, when piles are non-negotiable, why skipping the soil boring test is expensive, and the failure modes that crack Philippine buildings.

June 15, 2026 · 10 min read

🔴 Update · Earthquake Recovery

Mindanao Earthquake — Week 1: 46+ Dead, 346,000 Affected, 3,860 Aftershocks

Six days on from the M7.8 Sarangani quake: full damage picture, 688+ injured, 31 missing, aftershock data, infrastructure breakdown, and what the numbers mean for rebuilding safely to NSCP 2015 code.

June 14, 2026 · 9 min read

📐 NSCP 2015 · Complete Guide · Pillar

NSCP 2015 Philippines — Complete Guide to the National Structural Code

Section-by-section hub: dead loads, live loads, wind (Sec. 207), seismic base shear (Sec. 208), load combinations, ductility requirements — with free tools and worked examples.

Jun 10, 2026 · 12 min read

🌍 Breaking · Earthquake Engineering

A Magnitude 7.8 Hit Mindanao — Why Some Buildings Fell and Others Stood

A magnitude 7.8 quake — among the strongest in decades — struck off Sarangani on June 8, 2026, reaching Intensity VIII. The Cotabato Trench mechanism, the failure modes behind collapsed buildings, and what NSCP 2015 §208 actually protects against.

June 8, 2026 · 11 min read

⚠️ Breaking · Infrastructure Safety

"The Creek Widened Over the Years" — What DPWH's Own Words About the Callawa Bridge Collapse Reveal

DPWH confirmed the cause: years of creek erosion ate away at the bridge's approaches until floodwaters finished the job. Here's the engineering behind "scour" — and what it means for bridges nationwide.

June 7, 2026 · 9 min read

🌀 Typhoon Season 2026 · Homeowners

Typhoon Season 2026 Is Open — Is Your House Structurally Ready?

6 failure modes, 10-point checklist, and the structural fixes every Philippine homeowner must do before August peak season.

June 6, 2026 · 10 min read

🏛️ Breaking · Building Law Reform

New Philippine Building Act 2026 — What HB 6615 and SB 2158 Mean for Your Project

The 49-year-old National Building Code is being replaced. Full breakdown of both bills, compliance checker, and what to do now.

June 5, 2026 · 12 min read

🏗️ Hiring Guide · Design & Build

Design and Build Contractor Philippines — How It Works & What to Ask (2026)

One firm, one contract. How design-build works, what it costs, 5 checks before signing, and red flags to avoid.

June 2, 2026 · 9 min read

📐 NSCP 2015 · Section 204 & 205

NSCP Dead Load and Live Load Philippines — Section 204 & 205 Complete Reference

Unit weights of RC, CHB, steel and finishes; minimum live loads by occupancy; roof live loads; LRFD and ASD load combinations — with a worked residential beam example.

May 31, 2026 · 11 min read

💰 Construction Cost · Industrial

Warehouse Construction Cost Philippines 2026 — Per Sqm, Steel vs RC, Full Breakdown

Steel-frame ₱14k–₱22k/sqm · RC ₱22k–₱32k/sqm · Cold storage ₱38k–₱60k+/sqm. Sample budgets included.

May 31, 2026 · 9 min read

🌍 Earthquake · Structural Safety

The Big One Is Coming — Would Your Building Survive a Magnitude 7.2?

West Valley Fault, PHIVOLCS projections, 6 failure modes, and the 10-point self-audit checklist.

May 30, 2026 · 12 min read

🇵🇭 Filipino · Structural Engineering

Structural Design sa Pilipinas — Bakit Mahalaga at Magkano ang Bayad?

Ano ang ginagawa ng engineer, magkano ang fees, at bakit hindi dapat laktawan ang structural design.

Mayo 30, 2026 · 9 min read

🇵🇭 Filipino · Lindol · Kaligtasan

Ligtas Ba ang Bahay Mo sa Lindol? NSCP Seismic Guide sa Pilipinas

5 palatandaan ng hindi ligtas na bahay, seismic zone ng bawat probinsya, at paano protektahan ang inyong pamilya.

Mayo 29, 2026 · 9 min read

🔧 Free Calculator · CHB

CHB Quantity Estimator Philippines — Free Wall Calculator

Enter wall dimensions — get block count, cement bags, sand, rebar, and cost range instantly.

May 28, 2026 · 8 min read

📐 NSCP 2015 · Free Tool

NSCP Wind Load Lookup — Basic Wind Speed by Province + Calculator

Pick a province, get basic wind speed V, exposure Kz, and velocity pressure qz in seconds.

May 28, 2026 · 9 min read

📐 NSCP 2015 · Free Tool

NSCP Seismic Base Shear Calculator Philippines — Section 208

Zone, soil profile, structural system, occupancy, weight, and height in — design base shear V out instantly.

August 5, 2026 · 8 min read

♿ BP344 · Free Calculator

BP344 Ramp Slope Guide Philippines — The 1:12 Rule & Free Calculator

Landing and handrail specs, worked examples, and the 5 ramp mistakes inspectors flag most often.

May 28, 2026 · 11 min read

🇵🇭 Filipino · Proseso ng Konstruksiyon

Paano Magpatayo ng Bahay sa Pilipinas 2026 — Step-by-Step na Gabay

Mula sa disenyo hanggang turnover — ang 8 pangunahing yugto ng pagtatayo ng bahay sa Pilipinas.

Mayo 28, 2026 · 10 min read

🇵🇭 Filipino · Halaga ng Konstruksiyon

Magkano ang Pagpapatayo ng Bahay sa Pilipinas 2026 — Gabay sa Halaga at Badyet

Economy ₱20,000–₱26,000/sqm · Standard ₱27,000–₱38,000/sqm. Kumpletong breakdown.

Mayo 27, 2026 · 8 min read

🇵🇭 Filipino · Pamamahala ng Proyekto

Paano Pumili ng Tamang Contractor sa Pilipinas — 7 Tanong na Dapat Itanong

7 kritikal na tanong bago pumirma sa contractor — kasama ang mga red flag at proteksyon sa badyet.

Mayo 27, 2026 · 8 min read

🇵🇭 Filipino · BP344

BP344 Batas ng Accessibility sa Pilipinas — Kumpletong Gabay para sa mga May-ari ng Gusali

Ano ang hinihingi ng BP344 para sa ramp, parking, CR, koridor — sa simpleng salita.

Mayo 27, 2026 · 9 min read

⚠️ Breaking · Construction Safety

When Buildings Fall in the Dark — The Angeles City Collapse Analysis

Pancake collapse mechanics, red flags, DOLE violations, and what every developer must understand.

May 26, 2026 · 9 min read

🏗️ NSCP 2015 · Typhoon Resilience

Typhoon-Proof House Philippines 2026 — The NSCP Checklist

Most PH houses fail from missing roof connections, not wind speed. NSCP checklist: wind zones, roof specs, and what to demand from your contractor.

May 24, 2026 · 8 min read

♿ BP344 · Building Inspection

BP344 Compliance Mistakes That Cost Philippine Building Owners

The 6 most common BP344 violations and what they cost to fix after construction is done.

May 24, 2026 · 7 min read

🏗️ About Aedo · Engineering Transparency

Why Aedo Construction Publishes Free Engineering Guides

Most construction problems start with wrong information. Here's why we share what we know.

May 24, 2026 · 6 min read

💰 Construction Cost · Commercial

Commercial Building Construction Cost Philippines 2026 — Shophouse, Office & Warehouse

Realistic cost ranges with sample budgets and key cost drivers for commercial builds.

May 20, 2026 · 8 min read

🏗️ Structural Design · Engineering

Structural Engineering Philippines — How Buildings Are Designed from 3D Model to Construction

3D modeling, load analysis, NSCP compliance, and what your structural drawings actually mean.

May 20, 2026 · 9 min read

🏗️ Structural · Materials

Concrete vs. Steel Frame Construction Philippines — Which is Better for Your Project?

Cost, speed, seismic performance, and best use cases compared — with real Philippine numbers.

May 20, 2026 · 8 min read

🏗️ Construction Process · Philippines

Stages of House Construction Philippines — A Real Project Walkthrough

From column formwork and slab reinforcement to MEP rough-in and interior finishing.

May 20, 2026 · 9 min read

♿ BP344 · Compliance

BP 344 Accessibility Law Philippines — Complete Guide for Property Owners

Ramps, parking, toilets, doors, corridors, and pool standards — with illustrated dimensions.

May 20, 2026 · 9 min read

🤝 Project Management · Homeowner Guide

How to Choose a Contractor in the Philippines — 7 Questions Every Homeowner Must Ask

Red flags, contract essentials, payment schedules, and how to protect your budget before signing.

May 20, 2026 · 8 min read

🧱 Materials · Wall Systems

CHB vs. AAC Blocks Philippines 2026 — Cost, Strength & The Verdict

CHB: ₱18–30/block. AAC: ₱350–550/block. Strength, insulation, typhoon resistance, and total project cost compared. Clear verdict.

May 20, 2026 · 7 min read

📱 Aedo Apps · Digital Tools

Aedo Construction Apps — Digital Tools Built for Philippine Construction Professionals

BuildX NSCP Kit, Unit Cost Analysis, PhotoStruct, and Field Report — built by Filipino engineers.

May 20, 2026 · 6 min read

💰 Construction Cost · Residential

House Construction Cost Philippines 2026 — Cost per sqm & Budget Guide

₱15,000–₱40,000+ per sqm. Complete cost breakdown, sample 100sqm budget, and material prices.

May 17, 2026 · 7 min read

📐 NSCP 2015 · Section 208

NSCP Seismic Design Philippines 2026 — Section 208 Base Shear Guide

Step-by-step NSCP 2015 Section 208: zone factor Z, soil profile SA–SF, importance factor I, R value, and base shear formula with worked example.

May 17, 2026 · 9 min read

📐 NSCP 2015 · Section 207

NSCP Wind Load Philippines 2026 — Section 207 Made Simple

Compute wind loads per NSCP 2015 Section 207: wind speed zones, exposure categories, Ce & Cq coefficients, and a worked example. Free.

May 17, 2026 · 8 min read

🧰 Free Tools · All in One Place

Free Engineering Tools & Calculators Philippines

Every free calculator, checklist, and reference AEDO has published — NSCP, CHB, cost per sqm, BP344, structural risk, and more. No signup.

Updated July 31, 2026 · Resource hub