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LOD fabrication
Full structural model
Primary and secondary steel, bracing and connections, coloured by member class.
Design workflow · 3D Tekla model
3D Tekla model – every member, plate, bolt and weld before fabrication
After approval, our detailers build the structure in Tekla Structures: every member, plate, bolt and weld in its exact position, checked for clashes, sequenced for erection – and the single source of shop drawings, CNC data, material lists and erection drawings.
- Step 3
- Of our design workflow after approval
- Every bolt
- Modelled in 3D members, plates, bolts, welds
- IFC
- Open BIM exchange ISO 16739 – any IFC viewer
- 1 model
- All drawings & data shop, CNC, MTO, erection
One model, one truth
Once the approval drawings are approved, the structure is built again – digitally. In Tekla Structures our detailers model every member, connection plate, stiffener, bolt and weld at fabrication level, exactly as it will be made.
The model is checked for clashes with itself and with architectural and MEP models, organised by erection phase, and then used to generate everything the factory and the site need: assembly and part drawings, CNC files for cutting and drilling, bills of materials and erection drawings. When something changes, it changes once – in the model.
Model uses
How we use the model
From coordination to the shop floor and the site.
LOD fabrication
plates · bolts · welds
Connection detailing
End plates, stiffeners, splices and base plates detailed to the approved design.
sequence
Erection phasing
Members grouped by erection phase for shipping, delivery and site planning.
coordination
Clash detection
Steel checked against MEP, equipment and architecture before release.
production
Shop drawings & CNC
Assembly and part drawings, NC files and nesting from the model – see shop drawings.
site
Erection drawings
Plans, sections and bolt lists generated from the model – see erection drawings.
应用领域
What the 3D model gives your project
01
Fewer site problems
Connections, bolts and clearances checked in 3D before a single piece is cut.
02
Clash detection
Steel coordinated with architecture, MEP, cranes and equipment.
03
Model-generated drawings
Shop and erection drawings come from the model – consistent and up to date.
04
CNC straight from the model
Cutting and drilling data exported directly to our machines.
05
Accurate quantities
Material lists and weights from the model, not estimates.
06
Open BIM
IFC export for your design team, viewable in any IFC viewer.
Design workflow · step 3 of 6
Where this fits in our design workflow
The 3D model is step 3 of our six-step design workflow. It starts from the approved drawings and design report, and it produces the shop drawings (step 4), the erection drawings (step 5) and, updated with site changes, the as-built record (step 6).
World Steel 设计流程
- 01方案图随报价提供的 PPD – 平面布置、剖面、工程量
- 02报批图纸、设计报告及柱底反力停检点
- 033D Tekla 模型每个构件、钢板、螺栓和焊缝
- 04加工详图构件图和零件图、CNC 数据
- 05安装图平面图、剖面图、安装顺序、螺栓清单
- 06竣工图最终记录，连同质量文件
第 2 步后设停检点：报批图纸获批前不进行任何加工。
Open BIM
Share the model with your team
We export the model as IFC – the open BIM standard ISO 16739 – so architects, MEP engineers and owners can review and coordinate it in their own software or a free IFC viewer. Selected project models are also published in the 3D viewer on our project pages.
流程
The World Steel design workflow
- 1
1 · Proposal drawings (PPD)
Layout, sections and preliminary quantities issued with the quotation.
- 2
2 · Approval
Approval drawings, design report and column reactions – approved before fabrication.
- 3
3 · 3D Tekla model
Every member, plate, bolt and weld modelled and clash-checked.
- 4
4 · Shop drawings
Assembly and part drawings, CNC data and material lists.
- 5
5 · Erection drawings
Plans, sections, sequence and bolt lists for site.
- 6
6 · As-built drawings
Final record of the structure as built.
FAQ
常见问题
Which software do you use?
Tekla Structures for 3D detailing, with IFC export for coordination with other BIM software.
Can we receive the model?
Yes – an IFC export can be provided for coordination; native files are agreed in the contract.
Can you check clashes with our MEP model?
Yes. Send us your IFC models and we coordinate the steel before shop drawings are released.
Is the model updated after changes?
Yes. Every approved change is made in the model first, and drawings and CNC data are regenerated from it.
Need a coordinated steel model?
Send us your approved design or BIM models – we model, coordinate and detail the steel and deliver drawings and CNC data from one source.