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- One module, five homes
- 12.0 × 4.5 × 3.1 m · 54 m²
- Galvanised Q355 steel frame
- Base, Fire-rated and Project-custom variants
- Up to ≈ 91 % factory completion
- 4–6 weeks production
One platform for every home
Every WS modular home is built from the same module: a galvanised Q355 steel frame 12.0 m long, 4.5 m wide and 3.1 m high, with its floor, walls, roof, bathroom pod, services and finishes installed in the factory. Modules are combined side by side, end to end and stacked two storeys to make studios, cabins, family homes and courtyard houses.
Module variants
| WS-ML-01 Base | WS-ML-02 Fire-rated | Project custom | |
|---|---|---|---|
| Module size | 12.0 × 4.5 × 3.1 m | 12.0 × 4.5 × 3.1 m | Custom dimensions available |
| Fire rating | Non-fire-rated (standard) | FRL 60/60/60 target (structural / walls / roof) | Tailored to project requirements |
| Structural frame | Galvanised steel frame (Q355) | Galvanised steel frame with fire protection | Engineered to project specifications |
| Floor system | 18 mm flooring board + insulation | Fire-rated flooring system + insulation | Custom floor build-up as specified |
| Wall system | Insulated sandwich panel (75 / 100 mm) | Fire-rated wall panels (FRL 60/60/60 target) | Cladding and insulation options to suit |
| Roof / envelope | Insulated roof panel + membrane | Fire-rated roof system + membrane | Roofing and facade options to suit |
| Bathroom core | Pre-fitted wet room pod (plumbing & drainage) | Fire-rated wet room pod with fire dampers | Pod or custom solution as specified |
| Interior finish | Standard lining & paint, vinyl plank flooring | Fire-rated linings & doors, vinyl plank flooring | Finishes, fixtures & fittings to project scope |
| Application | Standard residential or accommodation use | Applications requiring enhanced fire performance | Bespoke applications per project |
| Compliance pathway | Engineered to NCC requirements | NCC and FRL engineering, evidence per project | Performance solutions and certification to project |
FRL ratings are achieved with tested or assessed systems and confirmed for each project by the building certifier; the variant names the design target.
Build-up
- Steel frame – galvanised Q355 frame engineered for strength, precision and durability, with corner posts for lifting and stacking.
- Wet core – factory-built bathroom pod for quality and consistency.
- MEP rough-in – services pre-installed for fast connection on site.
- External envelope – high-performance thermal and weather protection.
- Interior fit-out – finishes designed for comfort and function.
- Dispatch ready – inspected, wrapped and ready for safe transport.
Factory to site
Frames are welded on jigs in World Steel's certified structural steel plant – the same welding procedures and inspection as our structural work under ISO 3834-2 and AS/NZS 5131. Each module is tested, inspected, wrapped and dispatched; on site it is craned onto prepared footings and connected to services.
At 4.5 m wide a module is an over-width road load: transport permits, escorts and the route are planned with the logistics partner. Sea freight is on flat racks or break-bulk.
市場別の規格と要求事項
World Steelが本製品の設計・製作・書類作成に適用する基準――および各市場における主な寸法・荷重要件。
豪州 / NZ
- NCC 2022 Vol. 1 & 2Building Code of Australia – Class 1a / 2 / 3 as applicable
- AS/NZS 1170Structural design actions incl. wind regions
- AS 4100 · AS/NZS 4600Steel and cold-formed steel structures
- AS 1530.4Fire-resistance tests – FRL
- AS 3740Waterproofing of domestic wet areas
- AS/NZS 3000 · AS/NZS 3500Electrical installations · plumbing and drainage
- Fire-rated variant
- FRL 60/60/60 target with tested or assessed systems
- Approval
- Building certifier per state; transport permits per route
米国
- IBC / IRCInternational Building / Residential Code
- ICC/MBI 1200 & 1205Off-site construction: planning, inspection, regulatory compliance
- ASCE 7 · AISC 360Loads and steel design
- NEC · IPCElectrical and plumbing codes
- Approval
- State modular / industrialised building program where applicable
欧州
- EN 1990 – EN 1993Eurocodes – basis, actions, steel
- EN 13501-2Fire resistance classification (REI)
- EN 1090-2 WSC認証取得Execution of steel structures – WS EXC3
- Approval
- National building rules and energy performance per country
参考用の概要です――プロジェクト仕様書、採用される基準の版、所轄官庁の判断が優先されます。
表面処理
| 表面処理 | 規格 / 備考 |
|---|---|
| Exterior | Insulated wall panel with charcoal frame trim; cladding options to suit |
| Deck | Timber or composite deck to project |
| Interior | Lining and paint, vinyl plank flooring, cabinetry and joinery |
| Project finishes | Colours, fixtures and fittings on request |
よくある質問
What is the difference between Base and Fire-rated?
Base (WS-ML-01) is the standard non-fire-rated build-up for residential and accommodation use. Fire-rated (WS-ML-02) adds fire protection to the frame, fire-rated floor, wall and roof systems, fire-rated linings and doors and a pod with fire dampers, targeting FRL 60/60/60.
Can modules be stacked?
Yes – two-storey homes such as WS Family Living use stacked modules bolted at the corner posts.
How are modules transported?
Wrapped and lifted at the corner points onto low-loaders; 4.5 m width needs over-width permits. Export shipments go on flat racks or break-bulk.
AS/NZS 5131 CC3
EN 1090 EXC3 · CE
