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Structural Drafting Group

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Structural Steel Detailing and 3D Modeling Services

Coordinated three-dimensional steel models, approval drawings, shop and fabrication drawings, erection documentation, bills of material and multidisciplinary clash-review support for steel fabricators, contractors, EPC firms and engineering consultants.

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3DCoordinated Steel ModelsMembers, connections, interfaces and fabrication geometry
SHOPModel-Driven DrawingsApproval, shop, part, fabrication and erection outputs
CLASHInterface ReviewArchitecture, MEP, equipment, openings and clearances
DATAMaterial InformationBOMs, quantities, bolt lists and agreed digital outputs
Structural steel project environment representing steel detailing and 3D modeling services
Model-to-Fabrication Information Flow Convert Approved Design Intent into Coordinated Steel Geometry and Drawings
01Design Drawings, Specifications and Criteria
023D Members, Connections and Interfaces
03Coordination, RFIs and Approval Review
04Shop, Fabrication and Erection Drawings
05Material Data, Release and Revisions
DESIGN INFORMATION TRACEABLEStructural drawings, specifications, connection criteria, addenda, RFIs, approvals and model revisions remain connected MODEL OUTPUTS COORDINATEDPiece marks, plates, bolts, welds, drawings, material reports, erection locations and production data use one controlled source
Structural Steel Detailing and 3D Modeling

Visualize, Coordinate and Document the Steel before Fabrication Begins

Structural steel detailing converts approved engineering information into a coordinated digital representation of beams, columns, braces, trusses, connections and secondary steel. The model becomes the working source for review drawings, fabrication documents, erection plans and material reports.

Structural Drafting Group supports steel fabricators, contractors and engineering teams with 3D steel modeling, connection coordination, clash review, shop drawings, fabrication details, erection drawings, bills of material, material take-offs and controlled revision updates.

The detailing model is not a substitute for structural analysis or professional engineering approval. Loading, member capacity, structural stability, connection design authority, code compliance, temporary works and final release must remain with the responsible qualified parties.
Primary and secondary steel Bolted and welded connections Approval and shop drawings Erection documentation Clash and clearance review BOM and material take-offs
Discuss Your Steel Model
Detailing and 3D Modeling

The Technical Process and the Digital Project Environment

The current page presents both services together. The distinction below explains how each contributes to the same fabrication workflow.

DETAILING

Structural Steel Detailing

Detailing interprets approved structural information and develops the geometry, marks, dimensions, connections and fabrication documents needed by the shop and erection team.

  • Read and coordinate design drawings and specifications
  • Develop beams, columns, braces, trusses and secondary steel
  • Integrate approved connection geometry
  • Prepare RFIs for missing or conflicting information
  • Create approval, shop, part and erection drawings
  • Coordinate marks, assemblies, materials and revisions
  • Support fabricator and project review cycles
Primary purpose: Translate approved design intent into clear fabrication and erection information.
3D MODEL

Structural Steel 3D Modeling

The 3D model provides a coordinated geometric and information environment from which drawings, reports and interface reviews can be produced.

  • Represent member size, position, orientation and offsets
  • Model plates, bolts, welds, stiffeners and connections
  • Coordinate openings, embeds and adjacent systems
  • Review access, clearances and constructability
  • Generate model-driven drawings and schedules
  • Support clash review and stakeholder visualization
  • Track design and approval revisions
Primary purpose: Maintain one controlled digital source for coordinated geometry, drawings and project data.
Steel Modeling and Detailing Capabilities

From Structural Framing Model to Fabrication and Erection Outputs

The original page’s useful scope is retained and expanded into clear project deliverables.

01

Primary Structural Steel Modeling

Model beams, columns, girders, braces, trusses, rafters, joists, purlins and other approved framing elements.

Explore Structural 3D Modeling
02

Connection and Component Modeling

Integrate approved plates, angles, gussets, bolts, welds, stiffeners, splices, base plates and connection components.

View Connection Design
03

Approval and General-Arrangement Drawings

Prepare coordinated plans, elevations, sections, framing views and connection information for review before fabrication release.

Discuss Approval Drawings
04

Shop and Fabrication Drawings

Produce assembly, member, single-part and plate drawings with dimensions, materials, holes, bolts, welds and production notes.

View Steel Shop Drawings
05

Erection Drawings and Installation Information

Develop erection plans, elevations, grids, levels, piece locations, field bolts and approved connection references.

Explore Steel Detailing
06

Miscellaneous and Secondary Steel Models

Model stairs, railings, ladders, platforms, canopies, gates, screens, supports and other miscellaneous metalwork.

View Miscellaneous Steel
07

Clash and Interference Review

Review steel interfaces with architecture, concrete, equipment, ducts, pipes, cable trays, ceilings and other project systems.

Explore BIM Coordination
08

BOM, Material Take-Off and Reports

Generate agreed material lists, advance material reports, bolt summaries, drawing registers and model-based quantity outputs.

Define Report Requirements
09

Revision and As-Built Model Support

Incorporate approved design, review, fabrication or field changes and update affected model, drawing and report outputs.

Discuss Revision Support
Typical Steel Model Content

Coordinate the Members, Connections, Interfaces and Production Information

The model scope should identify exactly which elements, attributes, outputs and adjacent systems are included.

Beams, columns and girders Braces, trusses and joists Plates, angles and stiffeners Bolts, holes and welds Base plates and anchors Stairs, rails and platforms Embeds and concrete interfaces Piece marks and material data
FRAME
Structural Framing Geometry

Grids, levels, member sizes, orientation, slopes, offsets, camber, splices and approved framing relationships.

CONN
Connection Components

Plates, bolts, welds, angles, gussets, stiffeners, seats, copes, cuts and connection identifiers.

MISC
Miscellaneous and Support Steel

Stairs, railings, ladders, platforms, embeds, frames, equipment supports, edge angles and secondary components.

DATA
Fabrication and Material Information

Piece marks, assembly marks, materials, finishes, quantities, bolt data, drawing references and agreed attributes.

LINKS
Adjacent Project Interfaces

Architectural, concrete, MEP, equipment and site-reference models linked or referenced for coordination purposes.

Model-Driven Deliverables

Use the Steel Model for Review, Drawing Production and Material Information

Exact outputs depend on the fabricator’s software, standards, approval process and intended production use.

01

Review and Approval Models

Steel models, views and coordinated drawings used to communicate framing, connection geometry and project interfaces.

02

Shop and Fabrication Drawings

Assembly, member, single-part, plate and fitting drawings produced from controlled model geometry.

03

Erection and Installation Drawings

Plans, elevations, sections, piece locations, field connections, anchor layouts and approved erection references.

04

Material and Digital Production Data

BOMs, advance material lists, bolt lists, quantity reports, drawing registers and agreed CNC-related outputs.

Visualization and Clash Review

Use the 3D Model to Communicate the Steel and Review Interfaces Earlier

The current page correctly identifies visualization, collaboration and clash detection as important benefits of 3D modeling. The value depends on coordinated reference models and a defined issue process.

Structural framing interfaces Concrete and embeds Architectural walls and facades Doors, ceilings and finishes Ducts, pipes and cable trays Equipment and maintenance zones Openings and penetrations Erection and access clearances
Model Requirements

Define Geometry, Information, Coordination and Output Requirements Separately

A useful steel model specification should state more than a generic detail level or file format.

01

Geometry Requirements

Define included members, components, connection detail, tolerances, cambers, slopes, openings, embeds and miscellaneous steel.

02

Information Requirements

Define marks, materials, finishes, phases, zones, statuses, drawing references, custom properties and report fields.

03

Coordination Requirements

Confirm linked disciplines, coordinates, model origins, clash rules, clearance zones, review frequency and issue responsibility.

04

Output Requirements

Confirm native model, drawings, PDFs, reports, IFC, coordination exports, CNC files and software-version requirements.

Project Inputs and Outputs

Start with Current Design Information and the Fabricator’s Modeling Standards

The source hierarchy and model purpose should be agreed before production begins.

INTypical Source Inputs

Complete inputs help establish the correct structural model, connection scope and project references.

Structural drawings and specificationsArchitectural and MEP drawings Connection criteria and approved calculationsDesign notes and member reactions Existing CAD or BIM filesConcrete and embed information Fabricator standards and templatesMaterial and finish requirements Addenda, RFIs and revisionsSoftware and output requirements

OUTTypical Deliverables

Outputs can support design review, coordination, fabrication, material planning, erection and record documentation.

Structural steel 3D modelApproval and GA drawings Shop and assembly drawingsSingle-part and plate drawings Fabrication and connection detailsErection plans and elevations BOM and material take-offsBolt lists and drawing registers Clash and issue reportsNative and exchange files
Steel Model Quality Controls

Check the Source Information, Geometry, Drawings and Model Data

Quality review should verify consistency and traceability rather than rely only on a visually complete 3D model.

01

Source and Setup Check

Confirm current design documents, revisions, model origin, grids, levels, units, software version, responsibilities and project standards.

02

Geometry and Connection Check

Review member sizes, positions, orientations, connections, plates, bolts, welds, copes, clearances, embeds and miscellaneous steel.

03

Drawing and Data Check

Compare marks, dimensions, materials, assemblies, parts, erection locations, BOMs, bolt lists, reports and digital outputs.

04

Coordination and Revision Check

Verify clash resolutions, RFIs, comments, approvals, changed geometry, affected drawings, material data and issue status.

Steel Modeling Delivery Process

A Controlled Workflow from Design Inputs to Fabrication Release

The workflow can support complete structural frames, miscellaneous packages, phased releases, coordination assignments or recurring fabricator workloads.

01

Scope and Input Review

Confirm drawings, specifications, connection responsibility, model purpose, outputs, standards and programme.

02

Model Setup and Planning

Establish grids, levels, coordinates, catalogues, templates, zones, phases, marks and review milestones.

03

3D Modeling and Drawing Production

Develop members, connections, interfaces, approval drawings, shop drawings and material reports.

04

QA/QC and Coordination

Review geometry, drawings, data, constructability, clashes, RFIs and client or engineer comments.

05

Release and Revision Support

Issue controlled model and drawing packages and update affected outputs after authorised changes.

Project Applications

Structural Steel Models for Buildings, Plants and Infrastructure

The specialist service can be configured around different structural systems, fabrication practices and multidisciplinary coordination requirements.

Industrial plants and factories Warehouses and logistics buildings Commercial and institutional structures Residential steel structures Equipment-support structures Pipe racks and access platforms Trusses and long-span structures Canopies and miscellaneous steel Power and utility structures Bridges and transport structures Renovation and retrofit packages EPC and fabricator production backlogs
Steel Modeling and Coordination Platforms

Software Configured around the Fabricator and Project Workflow

The current website hierarchy and company service content identify Tekla Structures, SDS2, Advance Steel, AutoCAD, Revit and Navisworks across steel detailing and BIM workflows.

Confirm software version, model origin, catalogues, drawing templates, piece-mark rules, connection libraries, report settings, exchange formats and CNC configuration before production. Software automation does not replace checking or engineering approval.

Tekla Structures SDS2 Advance Steel AutoCAD Autodesk Revit Navisworks IFC / Coordination Exchange CNC / NC Data Client Fabrication Standards
Why Structural Drafting Group?

Structural Steel Models Connected to Drawings, Materials and Coordination

The redesigned page retains the legitimate modeling, visualization, fabrication and collaboration scope of the current page while removing unrelated service claims.

01
Model-to-Drawing Continuity

Structural geometry, connections, shop drawings, erection drawings and material information use one controlled source.

02
Fabricator-Standard Adaptation

Models and outputs can follow the required templates, catalogues, marks, drawings, reports and production formats.

03
Multidiscipline Interface Review

Structural steel can be reviewed against architecture, concrete, equipment and MEP reference models before release.

04
Scalable Modeling Capacity

Support for individual structures, complete packages, phased releases, urgent milestones and ongoing workloads.

Clearer Project VisualizationStakeholders can review framing, connections, interfaces and erection relationships in three dimensions.
Consistent Fabrication OutputsMarks, drawings, materials, bolts, erection locations and reports remain connected to model revisions.
Earlier Interface ReviewOpenings, access, clearances and adjacent-system conflicts can be identified before shop release.
Controlled Change ManagementAffected models, drawings, reports and digital production files can be identified and rechecked after revisions.
Structural Steel and BIM Pathways

Continue to Steel Detailing, Shop Drawings, Connections or Structural BIM

These links follow the current website’s structural-steel and BIM service hierarchy.

STEEL PILLAR

Steel Structural Detailing

Complete structural-steel modeling, shop drawings, erection documentation, material reports and revision support.

View Steel Detailing
SPECIALIST DETAILING

Steel Detailing Services

Model- and drawing-based production for fabricators, contractors, EPC firms and engineering companies.

View Specialist Service
3D STEEL MODELING

Structural 3D Modeling

Focused structural-steel model development, coordination, drawing generation and material information.

View 3D Modeling
CONNECTIONS

Structural Steel Connection Design

Connection calculations, design sketches and coordinated integration into the steel model.

View Connection Design
SHOP DRAWINGS

Steel Shop Drawings

Assembly, member, single-part and fabrication drawings generated from coordinated steel information.

View Shop Drawings
FABRICATION

Fabrication Drawings

Detailed production information for steel components, materials, connections and shop processes.

View Fabrication Drawings
STRUCTURAL BIM

Structural BIM Services

Structural BIM models, model-driven documentation and multidisciplinary coordination workflows.

View Structural BIM
PROJECT ENQUIRY

Discuss Steel Modeling

Share drawings, approximate tonnage, connection scope, outputs, software, standards and programme.

Contact the Steel Team
Frequently Asked Questions

Steel Detailing and 3D Modeling FAQs

Common questions about model content, shop drawings, clash review, material reports, software, engineering responsibility and required project inputs.

What is included in Structural Steel Detailing and 3D Modeling Services?
The scope may include beams, columns, braces, trusses, connections, secondary steel, approval drawings, shop and fabrication drawings, erection drawings, material reports, clash review, RFIs and controlled model revisions.
What is the purpose of the 3D steel model?
The model coordinates structural geometry, connections, piece marks, materials and interfaces. It can support visualization, approval review, drawing production, material reports, clash review and digital fabrication outputs.
Does the detailing model replace structural engineering analysis?
No. Structural analysis, member sizing, stability, connection capacity, code compliance, professional certification and final design approval remain with the qualified and authorised engineers identified by the contract.
Can shop and erection drawings be generated from the model?
Yes. A controlled steel model can support approval, assembly, member, single-part, fabrication and erection drawings. Each output still requires checks for its intended use and current approval status.
Can the model be used for clash detection?
Yes. Steel geometry can be reviewed against architectural, concrete, equipment and MEP reference models. Clash review identifies coordination issues, but the responsible disciplines must approve the technical resolution.
Can bills of material and material take-offs be produced?
Yes. Agreed BOMs, advance material lists, bolt summaries and quantity reports can be generated from model information. The fabricator should verify reporting rules, material availability and production suitability.
Which software can be used?
Typical workflows may use Tekla Structures, SDS2, Advance Steel, AutoCAD, Revit and Navisworks. Confirm the exact software version, templates, catalogues, exchange formats and fabricator standards before production.
What information is needed for a quotation?
Share structural and architectural drawings, specifications, approximate steel tonnage or project size, connection-design responsibility, required model and drawing outputs, BIM or clash requirements, software, fabricator standards, review process and delivery schedule.

Need a Coordinated Structural Steel Model Connected to Shop and Erection Drawings?

Share the current structural drawings, specifications, approximate steel quantity, connection scope, required model and drawing outputs, coordination requirements, software environment, fabricator standards and programme. Our team will review the complete steel-modeling workflow.

Request a Project Review Request Samples