Workshop Drawings Service

Workshop Drawings

workshop drawings

At Design Assist Partners we specialise in workshop drawings. Steel fabricators rely on our steel detailing services to fabricate and install all types of steel structures.

We utilise advanced 3D CAD modelling techniques to verify the design and fitment and produce clear and concise 2D shop drawings on customised drawing templates.

Our recent industry experience in providing Shop Drawings for projects across Australia includes:

  • Construction (Commercial, Residential & Government)
  • Rail Infrastructure
  • Bridges
  • Water Treatment Facilities
  • Repurposed Shipping Containers
  • Processing Plants
  • Bridges
  • Special Purpose Machinery
  • Stairs, Access Ramps & Balustrades

We utilise advanced 3D CAD modelling techniques to verify the design and fitment and produce clear and concise 2D shop drawings. A typical workshop drawing package may include:

  • Part Drawings (Columns, Beams, Cleats, Plates & Braces)
  • Assembly (Weldments), Subassembly, Sections, Details, Isometric Views and Exploded Views
  • Bill Of Materials
  • Footing layouts / Cage bolt set-out drawings
  • Laser cutting files (DXF) for cleats and plates
  • Marking Plans/ Erection Drawings

The Purpose and Preparation of Shop Drawings

workshop drawing example

A set of workshop drawings include steel specification details, dimensional and welding information allowing the fabrication of components. It may include sub-assembly and assembly information, site layout and component installation. Shop drawings are typically prepared for subcontractors and steel fabricators who fabricate components in their workshop and then install onsite.

The workshop drawing contains information sourced from both the architectural and structural engineering drawings. Drawing documents from both disciplines will have been through an iterative design process, and only once they’ve been finalised and stamped ‘Issued For Construction’ (IFC) will they be used for development of downstream shop drawings.

The typical information extracted from IFC drawings will be critical specifications such as the appearance, connection details, dimensions, RL’s, member schedule and any other manufacturer nominated off shelf components or product catalogue details. The workshop drawing is the fabricator’s or manufacturer’s drawn interpretation of the information gathered from the IFC documents.

Shop drawings contain more detailed information about each component and need to include all manufacturing details. This is important on the workshop floor as they’re usually not read in conjunction with the architectural or engineering documents. Having everything needed for fabrication included on the drawing also makes it easier for the architect and engineer to review prior to manufacture.

Detailing the components will often identify an oversight with the supplied IFC drawings. It may be a simple matter of extracting missing dimensional information from the CAD files supplied by the architect or engineer. In other situations a collaborative approach is required, where a ‘Request For Information’ (RFI) is raised and reverted back to the fabricator and consultants to confirm the design intent.

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