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Overview

On this project ORIGIN’s task was to design LGS roof framing of residential building.

LGS framing. Truss design should be suitable for further fabrication using FRAMECAD rollformer.

 

Input: Structural drawings set.

Project deliverables:

  • Roof trusses layout;
  • Truss reports;
  • FRAMECAD CNC files for LGS panels production.
Services STRUCTURE
Subservices Light gauge steel design and detailing
Industry Residential
Object type Single-family home
Area 420 m² / 4530 ft²
Tools used Autodesk Revit, Strucsoft MWF Advanced Metal, SCIA Engineer, Tekla Tedds
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Project stages
1. LGS truss modeling
2. LGS truss layout drawings and reports
Code/Authority List:
  • 2022 California residential code (CRC);
  • 2022 California building code (CBC);
  • ASCE 7-16 minimum design loads and associated criteria for buildings and other structures.
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Step 1 — LGS truss modeling

Revit model is the start point of any LGS framing we work on.

Regarding the roof framing, we need to model the roof itself only. So we take the architectural drawings and make an accurate Revit model, writing RFIs to the Architect to clarify discrepancies in any. LGS framing will be generated per the Revit roof, so it is vital to have it accurate.

Once roof modeling is done, we start LGS framing creation.

For that, we use Strucsoft MWF Advanced Metal software. It’s Revit add-in which has various tools for automatic LGS framing creation.

Step 2 — LGS truss layout drawings and reports

At this step we work on truss layout plans and prepare the report of each individual truss.

Strucsoft MWF Advanced Metal has a feature of truss calcs, so we don’t need to calculate them separately. Truss calcs are automatic, just need to verify if the truss pass.

Each report consists of all necessary information as needed per Codes.

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Drawings

Click on preview to view high resolution PDF drawings

Benefits
LGS framing exactly matches with the building geometry, eliminating installation issues on site
BIM model of LGS framing can be used for clash detection with other trades
CNC export of LGS panels allows to use CNC rollformers for LSG panels production, drastically saving manufacturing time
Tools used
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Autodesk Revit
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Strucsoft MWF Advanced Metal
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SCIA Engineer
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Tekla Tedds
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