What belongs on a GA?
Include the views needed to understand the arrangement, overall and critical dimensions, equipment identification, interfaces and access or maintenance clearances. State units, scale, issue purpose and revision. Confirm the dimensions and clearances against the governing source and project requirements.
Can a GA be made from a 3D model?
A suitable model can provide projected views and dimensions. The current drawing workspace can generate GAs from supported STEP/STP assemblies and show the sheet beside a 3D view. Check imported units, orientation, geometry and the required level of detail. Model-derived views do not automatically carry manufacturing tolerances or every source property.
How does a GA relate to tender scope?
The arrangement helps suppliers understand equipment positions, interfaces and access. Issue the appropriate drawing version with the supplier package and keep differences between the GA, SLD and specification visible during bid levelling.