120 Square Meter Single-Story House Design (Philippines/Chile/Papua New Guinea)
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120 Square Meter Single-Story House Design (Philippines/Chile/Papua New Guinea)

120 Square Meter Single-Story House Design (Philippines/Chile/Papua New Guinea)

The house adopts a practical rectangular layout, fully adapting to the climate characteristics (high temperature, heavy rainfall in tropical regions, high seismic risk, and coastal salt spray in partial areas) of the Philippines, Chile, and Papua New Guinea (PNG)

Product Introduction

120 Square Meter Single-Story House Design (Philippines/Chile/Papua New Guinea)

 

I. Floor Plan (Dimensions: 10m × 12m, Total Area: 120㎡)

 

Layout Description

The house adopts a practical rectangular layout, fully adapting to the climate characteristics (high temperature, heavy rainfall in tropical regions, high seismic risk, and coastal salt spray in partial areas) of the Philippines, Chile, Peru and Papua New Guinea (PNG). It is divided into functional zones: 3 bedrooms, 2 bathrooms, an open kitchen, a living room, and a covered porch (to resist rain, strong sunlight, and tropical cyclones in PNG coastal areas). The overall design ensures good ventilation and lighting, with large windows installed in the living room and bedrooms, and complies with each country's core building codes for seismic resistance, moisture-proofing, and fire safety.

20260115104038318102

Zone Details

Living Room: 4m × 5m = 20㎡. Located in the center of the house, connected to the open kitchen and porch for convenient daily activities and socializing.

Open Kitchen: 3m × 4m = 12㎡. Adjacent to the living room, with a countertop separating the two areas. Equipped with a window (≥15% of the kitchen area) for smoke exhaust and ventilation, complying with the Philippines' National Building Code (NBCP) natural ventilation requirements. A smoke detector connected to a local alarm system is recommended to meet Chile's Norma Chilena (NCh) 2353 fire safety standards, and the cooking area maintains a 1.5m distance from interior walls per NBCP.

Bedrooms:

Master Bedroom: 4m × 4.5m = 18㎡. With an en-suite bathroom (3m × 2m = 6㎡), a built-in wardrobe, and a large window facing south for natural light.

Bedroom 2: 3.5m × 4m = 14㎡. Suitable for children or guests, with a built-in wardrobe.

Bedroom 3: 3.5m × 4m = 14㎡. Multi-functional room, can be used as a bedroom or study.

Bathrooms:

En-suite Bathroom (Master Bedroom): 3m × 2m = 6㎡. Equipped with a toilet, shower, and sink.

Public Bathroom: 3m × 2m = 6㎡. Located between Bedroom 2 and Bedroom 3, equipped with a toilet, shower, and sink for shared use.

Corridor: 1.5m × 8m = 12㎡. Connects all rooms, ensuring smooth traffic flow.

Covered Porch: 2m × 5m = 10㎡. Located at the entrance, providing a transition space and protecting the door from rain. For PNG coastal areas, the porch is reinforced with wind-resistant brackets and roof truss spacing reduced to 600mm to resist tropical cyclones (wind speed ≥150km/h), in line with the PNG National Building Code (2014).

 

Door & Window Layout

Main Door: 1 set (1.2m × 2.1m). Located at the porch, made of anti-corrosion aluminum alloy with a security lock.

Bedroom Doors: 3 sets (0.9m × 2.1m each). Interior wooden doors with sound insulation.

Bathroom Doors: 2 sets (0.8m × 2.1m each). Waterproof aluminum alloy doors.

Windows: 8 sets in total. Large sliding windows (1.5m × 1.8m each) in the living room and master bedroom; casement windows (1.2m × 1.5m each) in other bedrooms and kitchen. All windows adopt double-layer tempered glass with anti-UV and sound insulation functions, equipped with mosquito screens (mandatory in the Philippines' tropical regions) and marine-grade aluminum alloy frames for PNG coastal salt spray resistance, complying with local corrosion standards.

 

II. Material List, Quantity & Budget

 

Note: The quantity is calculated based on the actual construction area, structural requirements, and each country's building codes, with a 5% margin for material loss. All materials carry local certification: BPS mark (Philippines), INN certification (Chile), and PNGSI compliance (PNG) to meet regional regulatory requirements.

 

1. Exterior Wall Materials

 

Material Name

Specification

Quantity

Remarks

Cement Fiber External Siding

1220mm × 2440mm × 8mm

52 sheets

Weatherproof, anti-corrosion

OSB Board

1220mm × 2440mm × 12mm

52 sheets

Structural stability; chemical-treated for termite resistance (Philippines NBCP Chapter 8 pest control requirement)

Breathable Membrane

1.5m × 50m/roll

8 rolls

Moisture-proof, breathable

Light Steel Keel

U-type, 75mm × 50mm × 0.8mm (upgrade to 1.0mm thickness for Chile's NCh 433 seismic standard)

120 pieces (3m/piece)

Exterior wall framing; anti-seismic fasteners used for connections (Philippines NBCP seismic Zone 4 compliance)

Glass Wool Insulation

1200mm × 600mm × 75mm

180 pieces

Thermal insulation, sound insulation

Gypsum Board

1220mm × 2440mm × 12mm

52 sheets

Interior layer of exterior wall

Sealant & Fasteners

Sealant, self-tapping screws

1 set

For installation and sealing

 

2. Interior Wall Materials

 

Material Name

Specification

Quantity

Remarks

Gypsum Board

1220mm × 2440mm × 12mm

104 sheets

Double-layer for interior walls

Light Steel Keel

U-type, 75mm × 50mm × 0.8mm

180 pieces (3m/piece)

Interior wall framing

Glass Wool Insulation

1200mm × 600mm × 75mm

220 pieces

Thermal insulation, sound insulation

Sealant & Fasteners

Sealant, self-tapping screws

1 set

For installation and sealing

 

3. Roof Materials

 

Material Name

Specification

Quantity

Remarks

Color Steel Single Tile

1000mm × 3000mm × 0.5mm; reflective coating optional for Chile's northern arid regions

40 pieces

Weatherproof, anti-rust

OSB Board

1220mm × 2440mm × 15mm

52 sheets

Roof base layer

Breathable Membrane

1.5m × 50m/roll

8 rolls

Moisture-proof, breathable

Light Steel Roof Truss

Customized, 10m span

12 sets

Roof support structure; seismic load calculation conducted (Chile NCh 433, PNG AS/NZS 1170 compliance)

Glass Wool Insulation

1200mm × 600mm × 100mm (upgrade to 150mm for Chile's southern cold climate, NCh 1535 thermal standard)

200 pieces

Roof thermal insulation

Gypsum Board (Ceiling)

1220mm × 2440mm × 12mm

52 sheets

Roof ceiling

Roof Fasteners & Flashing

Roof nails, flashing, ridge caps

1 set

For roof sealing and fixing; flashing extends 150mm beyond wall edges (Chile NCh 1682 waterproof requirement)

 

4. Doors & Windows

 

Material Name

Specification

Quantity

Remarks

Main Aluminum Alloy Door

1.2m × 2.1m, double-layer tempered glass; marine-grade alloy for PNG coastal corrosion resistance

1 set

Security, weatherproof

Interior Wooden Doors

0.9m × 2.1m, sound insulation

3 sets

Bedroom doors

Waterproof Aluminum Alloy Doors

0.8m × 2.1m, waterproof

2 sets

Bathroom doors

Sliding Windows

1.5m × 1.8m, double-layer tempered glass

4 sets

Living room, master bedroom

Casement Windows

1.2m × 1.5m, double-layer tempered glass

4 sets

Other bedrooms, kitchen

Door & Window Hardware

Hinges, locks, handles, sliding rails

1 set

For door & window installation; 316 stainless steel fasteners used for PNG coastal salt spray resistance

 

5. Other Auxiliary Materials

 

Material Name

Specification

Quantity

Remarks

Concrete (Floor Slab)

C25 concrete

36 m³

Floor base, 10cm thickness; elevate 300mm-500mm for PNG flood-prone areas; C25 strength meets Chile NCh 1603 and Philippines NBCP

Steel Bars

Φ12mm, Φ16mm

2.5 tons

Reinforcement for floor slab; 0.8% minimum ratio (Philippines NBCP compliance) to resist seismic motion

Waterproof Membrane (Bathroom)

PVC waterproof membrane

20 ㎡

Bathroom floor and wall waterproofing; covers walls up to 300mm height (compliant with all three countries' plumbing codes)

Flooring Tiles (Bathroom/Kitchen)

600mm × 600mm, non-slip

30 ㎡

Waterproof, non-slip

 

III. Notes

 

The floor plan can be adjusted according to local climate and living habits (e.g., expanding the porch in the Philippines' heavy rainfall areas, elevating the floor slab for PNG flood resilience). All adjustments must align with local building codes (NBCP for Philippines, NCh series for Chile, PNG National Building Code 2014 for PNG).

The light steel structure is suitable for the seismic and climate conditions of the target countries, with the advantages of light weight, high strength, and fast construction. Seismic design parameters are tailored to each region: Philippines (Seismic Zone 4), Chile (Seismic Zone 5), PNG (Seismic Zone 3-4), and anti-seismic connections are mandatory.

All materials meet local building codes and have good durability and adaptability to the local environment (e.g., anti-corrosion, anti-UV, moisture-proof). Additional measures include termite barriers (Philippines), reflective roof coatings (Chile northern regions), and marine-grade materials (PNG coastal areas).

Administrative compliance: Secure a Building Permit (Philippines), Permiso de Construcción (Chile), or Building Approval (PNG) before construction. Engage local licensed engineers for on-site supervision, especially for structural connections and waterproofing, to ensure code adherence during implementation.

Small Prefab House

Missing Materials for Turnkey Delivery (120㎡ Single-Story House)

 

Turnkey delivery requires the house to be fully functional and ready for occupancy, covering interior finishing, plumbing, electrical, HVAC, fixtures, and minor exterior works. The existing material list only includes structural, wall, roof, and basic auxiliary materials; the following categories are missing, with considerations for compliance with the Philippines, Chile, and PNG building codes.

 

1. Plumbing System Materials

 

Critical for bathroom and kitchen functionality, must comply with local plumbing codes (Philippines NBCP Chapter 17, Chile NCh 1302, PNG Water Supply Standards).

Material Name

Specification

Quantity Estimate

Remarks (Code Compliance & Adaptability)

PVC/PEX Pipes

DN20-DN50 (water supply); DN50-DN110 (drainage)

80-100m (supply); 50-60m (drainage)

Corrosion-resistant PEX for PNG coastal areas; PVC meets Chile NCh 1302 pressure standards

Pipe Fittings

Elbows, tees, couplings, traps, check valves

1 set (40-50 pieces)

316 stainless steel fittings for PNG; leak-proof design required by all three countries

Sanitary Fixtures

Toilets (2 units), showers (2 units), sinks (3 units: 2 bathroom + 1 kitchen)

7 units total

Water-saving models (mandatory in Chile NCh 1302); anti-clog design for Philippines' hard water

Water Heater

Electric (100L) or gas (depending on local supply)

1 unit

Complies with local electrical/gas codes; anti-overheat protection (PNG & Philippines)

Septic Tank/Connection Kit

Precast concrete (1000L) or compact septic system

1 set

Meets PNG's environmental standards; proper drainage slope (1-2%) per NBCP

 

2. Electrical System Materials

 

Essential for power supply, must adhere to local electrical codes (Philippines PEC 2017, Chile NCh 2353, PNG AS/NZS 3000).

Material Name

Specification

Quantity Estimate

Remarks (Code Compliance & Adaptability)

Electrical Wires & Cables

Copper wire (1.5mm²-4mm²), PVC insulation

150-200m

Fire-retardant insulation (Chile NCh 2353); UV-resistant for exposed areas (PNG)

Circuit Breakers & Distribution Box

Main breaker (63A), branch breakers (16A-20A), RCDs

1 distribution box + 8-10 breakers

Earth leakage protection (mandatory in all three countries); seismic-resistant mounting (Chile/PNG)

Switches & Outlets

Waterproof outlets (bathrooms/kitchen), regular switches

15-20 outlets + 10-12 switches

IP44 rating for wet areas; child-safe outlets (Philippines NBCP recommendation)

Lighting Fixtures

Ceiling lights (living room/bedrooms), task lights (kitchen), bathroom vanity lights

8-10 units

Energy-efficient LED (mandatory in Chile); anti-humidity design for bathrooms

Earthing System

Earth rod (2m), earthing wire (6mm²), clamps

1 set

Complies with AS/NZS 3000 (PNG); proper grounding to resist lightning (Philippines tropical regions)

 

3. HVAC & Ventilation Materials

 

Adapts to local climates: tropical heat (Philippines/PNG) and temperature variations (Chile north/south).

Material Name

Specification

Quantity Estimate

Remarks (Code Compliance & Adaptability)

Air Conditioners

Split-type (1.5HP for bedrooms, 2HP for living room)

4 units (3 bedrooms + 1 living room)

Energy-efficient (Philippines DOE standards); cooling capacity tailored to Chile's northern heat

Ceiling Fans

48-56 inches, weather-resistant

4 units (matches AC locations)

Supplemental ventilation for high humidity (Philippines/PNG); rust-proof blades (PNG coastal)

Kitchen Exhaust Fan

Ducted, 150mm diameter

1 unit

Complies with Chile NCh 2353 fire safety; removes cooking fumes (open kitchen design)

Heaters (Chile Only)

Electric panel heaters or gas heaters

2-3 units (bedrooms)

Meets NCh 1535 thermal standards for southern Chile's cold climate

 

4. Interior Finishing Materials

 

Completes the living space with aesthetics and functionality, meeting local finishing standards.

Material Name

Specification

Quantity Estimate

Remarks (Code Compliance & Adaptability)

Flooring Materials (Non-Wet Areas)

Vinyl plank, laminate, or ceramic tiles

90 ㎡ (living room/bedrooms/corridor)

Waterproof vinyl for PNG's humidity; scratch-resistant (family use); fire-rated (Chile NCh 1803)

Wall Paint & Primer

Washable latex paint (interior); weather-resistant paint (exterior porch)

20-25 liters (interior); 5-8 liters (exterior)

Anti-mold formula (Philippines/PNG); UV-resistant exterior paint (all countries)

Built-in Wardrobes & Cabinets

Plywood/particleboard with melamine finish

3 wardrobes (bedrooms) + 1 kitchen cabinet set

Termite-treated wood (Philippines); moisture-resistant boards (PNG); seismic mounting (Chile)

Interior Trim & Molding

PVC or wood trim (door/window edges, ceiling cornices)

40-50 meters

PVC for wet areas (bathrooms); wood for aesthetics (living room/bedrooms)

Kitchen Countertop

Granite, quartz, or laminate

12 ㎡ (matches kitchen area)

Heat-resistant (Chile NCh 2353); stain-proof and easy to clean (all countries)

 

5. Exterior Auxiliary Materials

 

Ensures exterior completeness and compliance with local safety/environmental standards.

Material Name

Specification

Quantity Estimate

Remarks (Code Compliance & Adaptability)

Gutters & Downspouts

Aluminum or PVC (100mm diameter)

30-40 meters (gutters) + 4-6 downspouts

Marine-grade aluminum (PNG coastal); proper slope for heavy rainfall (Philippines/Chile south)

Exterior Stairs/Ramp (If Needed)

Concrete or metal (for sloped lots)

1 set

Non-slip surface (all countries); seismic reinforcement (Chile/PNG)

Fencing (Perimeter)

Metal or concrete posts with wire mesh/wooden slats

30-40 meters

Anti-rust metal (PNG); height complies with local zoning laws (all countries)

Driveway/Walkway Paving

Concrete slabs or gravel

20-30 ㎡

Permeable paving (PNG environmental standards); load-bearing for vehicles

 

6. Safety & Miscellaneous Materials

 

Mandatory for occupancy approval, covering fire safety, security, and minor essentials.

Material Name

Specification

Quantity Estimate

Remarks (Code Compliance & Adaptability)

Fire Extinguishers

Dry chemical (2kg)

2-3 units

Mounted near kitchen and exits (Chile NCh 2353, Philippines NBCP Chapter 9)

Smoke & Carbon Monoxide Detectors

Battery-powered or hardwired

3-4 units

Interconnected (Chile NCh 2353); mandatory for gas-heated homes (Chile/PNG)

Security Locks & Grilles

Deadbolts (doors), window grilles (ground floor)

1 set (locks) + 4-6 window grilles

Anti-theft design; removable grilles for emergency exits (Philippines NBCP)

Doorbells & Mailbox

Wireless doorbell, weather-resistant mailbox

1 each

Mailbox with lock (all countries); doorbell volume adjustable

Eco Friendly Steel Structure School

Key Notes for Turnkey Compliance

 

All materials must carry local certifications (BPS, INN, PNGSI) to align with the existing design's code compliance framework.

Regional adjustments: Prioritize anti-humidity/termite materials for the Philippines/PNG, seismic-resistant fixtures for Chile, and corrosion-proof parts for PNG coastal areas.

Installation labor for these systems (plumbing, electrical, finishing) is not included in the original budget and is critical for turnkey delivery.

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