Structural CAD drawings for steel fabrication projects are a specialist category requiring precision, sector knowledge, and familiarity with the specific conventions used in structural steelwork. Choosing the wrong supplier for structural fabrication drawings creates downstream problems during manufacture and erection that are expensive and time-consuming to resolve.
What structural CAD drawings for fabrication include
A structural steelwork drawing package for fabrication typically includes general arrangement drawings showing the overall structure and member positions, detail drawings showing individual member connections and joints, and shop drawings showing each member in the form needed for fabrication — with all dimensions, hole positions, and weld preparations shown.
For complex connections — moment connections, base plates, splice connections — detailed drawings show the precise geometry needed for accurate workshop fabrication and site assembly.
Drawing standards for structural steelwork
UK structural steelwork drawings follow conventions set out in BS EN ISO 5261 and related standards, with additional requirements from the SCI (Steel Construction Institute) guides and individual client standards. Member references, section sizes, grade markings, and weld symbols must all follow consistent conventions to be reliably interpreted by fabricators and site teams.
What to look for in a supplier
Sector experience is the primary criterion. A CAD supplier with experience in structural steelwork will understand BS EN ISO 5261 conventions, standard connection types, and the level of detail required at each stage of the design and fabrication process. A general CAD supplier without structural experience will produce drawings that look correct but contain errors visible only to experienced structural engineers or fabricators.
Turnaround speed is the second consideration. Structural fabrication programmes are often on critical path timelines where drawing delays directly delay site works.
Outsource CAD
Outsource CAD produces structural CAD drawings for UK steel fabrication projects including GA drawings, connection details, and shop drawings. All drawings are produced in AutoCAD to relevant BS EN standards. Contact info@outsourcecad.com or call +44 28 9009 8876.
