Introducing ETABS Column Schedule Extractor : Automatically Generate Professional Column Schedules — Even for Section Designer Columns

Adisorn Owatsiriwong

ALPS CONSULTANTS

Introduction

For many structural engineers, preparing column schedules is one of the most repetitive and time-consuming tasks after analysis and design.

Although ETABS provides excellent modeling, analysis, and design capabilities, producing a complete column schedule suitable for construction drawings often requires substantial manual work. This becomes even more challenging when projects contain numerous custom Section Designer columns with irregular reinforcement layouts.

Today, I am excited to introduce a new engineering productivity tool developed to solve this problem.

Summary Table

ETABS Column Schedule Extractor

A MATLAB-based utility that automatically reads an ETABS model (.E2K) and generates complete column schedule drawings directly from the model.

The objective is simple:

Design once in ETABS, generate schedules automatically.

Why Was This Tool Developed?

Modern buildings may contain hundreds or even thousands of columns.

Typical workflow:

• Model the building.

• Design columns.

• Open Section Designer repeatedly.

• Read reinforcement manually.

• Redraw each section in CAD.

• Prepare schedules.

• Check dimensions.

• Check reinforcement.

• Repeat whenever the design changes.

This process is not only slow but also susceptible to human error.

Any design revision often requires another complete round of manual updating.

The new extractor eliminates this repetitive work.

Column Section from ETABS model

Key Features

Automatic Column Schedule Generation

The software automatically extracts:

• Column dimensions

• Reinforcement layout according to ACI 318-19 Chapter 10, 18 and 25.7.2

• Bar diameters

• Number of longitudinal bars

• Stirrup information

• Cover dimensions

• Column orientation

• Section names

The information is converted directly into clean engineering drawings suitable for documentation.

Full Support for ETABS Section Designer

This is the feature I am most excited about.

Many engineering offices use Section Designer because it allows completely customized reinforced concrete sections.

Unfortunately, these sections are usually difficult to document automatically because they may contain:

• arbitrary polygons

• perimeter reinforcement

• discrete reinforcement bars

• openings

• complex reinforcement arrangements

The new extractor reconstructs these sections directly from the E2K model and produces accurate reinforcement drawings automatically.

Even complicated reinforcement layouts can now be documented without manually opening Section Designer.

Accurate Reinforcement Visualization

The generated drawings include

• concrete outline

• perimeter reinforcement

• discrete bars

• stirrup geometry

• bar callouts

• dimensions

• section labels

Everything is generated consistently from the ETABS model.

DXF Export

The schedules can be exported directly to DXF for further editing in AutoCAD.

This allows engineers and drafters to integrate the generated schedules into existing drawing sheets with minimal effort.

Summary Table Mode

Drafting Table Model

Seismic Detailing for Transverse Rebar

The DXF export allows the user to select details suitable for different seismic design categories (SDCs). SDC B and C provide the details for intermediate moment frames  (ACI 318-19 18.4), and SDC D, E, and F provide the details for special moment frames (ACI 318-19 18.8). While in SDC A, the ordinary moment frame detail is applied (ACI318-19 18.3). Section 10.7.6.5 applies for shear reinforcement, and Section 25.7.2 requirements for lateral ties apply to columns in any SDC.

Automatic Table Generation

Besides graphical drawings, the program prepares organized schedule tables containing

• section designation

• dimensions

• reinforcement description

• quantity information

This significantly reduces drafting time.

Export to .xls

Engineering Advantages

The benefits extend beyond simply saving drafting time.

Consistency

The drawings come directly from the analysis model.

No duplicated manual input.

Reduced Human Error

Because reinforcement information is extracted automatically, the risk of transcription mistakes is greatly reduced.

Faster Design Iteration

When the structural design changes,

simply regenerate the schedules.

There is no need to redraw every column.

Improved QA/QC

Since the schedule is generated directly from the design model, engineers can perform visual verification much more efficiently.

A Step Toward Digital Structural Engineering

Engineering software should not stop at analysis.

The design model already contains nearly all the information required for construction documentation.

This project demonstrates how much valuable engineering information can be extracted automatically from an ETABS model.

Instead of spending hours recreating information that already exists, engineers can focus on design decisions and quality control.

Future Development

This tool establishes the foundation for a more comprehensive documentation workflow.

Potential future enhancements include:

• Beam schedules

• Wall schedules

• Footing schedules

• Reinforcement quantity reports

• Automatic drawing sheet generation

• BIM-oriented data export

• Direct integration with engineering detailing workflows

  
  

Conclusion

Automatic extraction of reinforced concrete column schedules—including complex Section Designer sections—represents a significant improvement in structural engineering productivity.

By connecting the analytical model directly to construction documentation, engineers can eliminate repetitive drafting, reduce errors, and respond to design changes much more efficiently.

This project is another step toward intelligent structural engineering workflows, where analysis, design, optimization, and documentation are seamlessly connected.

Design once. Document automatically.