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Design & Make the Future of Rail

Rail Summit 2025

Kevin,

O’Connor

VP, xD Digital Delivery Services

Sean,

Hulbert

Autodesk Principal Implementation Specialist

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Advanced structural workflow

Bridge modeling evolved from wooden or

paper models in the 1800s, to computer

simulations in the 20th century, and now to

detailed 3D digital models — yet engineers

still build tiny physical models to validate

how real bridges sway and behave

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Image courtesy of [Name]

Advanced structural workflow

Parsons Corporation

Why Parsons?

Synergy Between

FED & CI

Sensitive / Proprietary 4

WHO IS PARSONS? TWO SEGMENTS, ONE PLAYBOOK

Federal Solutions

Cybersecurity for defense, geospatial intelligence, advanced tech for mission-critical systems.

Critical Infrastructure

Large-scale roads, bridges, rail, water, and urban development projects across 30+ countries.

$7.0B Contract Awards (Fiscal Year 2024)

$6.8B Total Revenue (Fiscal Year 2024)

Federal

Solutions

55%

Critical

Infrastructure

45%

Federal

Solutions

59%

Critical

Infrastructure

41%

80 Years Of History

233+ Sustainability

Accreditations

~ 20K Employees

132 Locations

12 Countries

CLICK TO ADD TITLE

Image courtesy of [Name]

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What was our challenge?

Parsons Autodesk Collaboration

Model Development Process • Products

• Process

How was this used • Collaboration

• Production

• AR

Integrating AI

WHAT WAS THE CHALLENGE

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Develop a LOD 300 Bridge model Model needed for collaboration of all disciplines to develop drawings and AR

Editable modeling process

Develop federated model

including guideway and stations

Quickly make changes and share with other disciplines

Several disciplines developing models and need a place to collaborate

Parsons/Autodesk

collaboration

PARSONS / AUTODESK COLLABORATION

8 Sensitive / Proprietary

Strategic alignment drives our engagement

Kevin – VP Parsons xD Services

• Drive Innovative Solutions – HART Guideway Need

• Ensure Project Teams can deliver and meet requirements

• Identify and resolve issues proactively.

Rick – Autodesk Technical Solution Executive

• Autodesk Technical Strategy for Parsons

• Solution to meet Parsons Desired Outcomes

• Find Resources as needed

Ara – Autodesk Bridge Product Manager

• Provide Bridge Solution Stack

• Works with all Accounts as needed

• Solutions to meet Parsons Requirements

We’ve come to save the day!!!

PARSONS / AUTODESK COLLABORATION

9 Sensitive / Proprietary

Kevin Identified Need/Opportunity

• HART is one example…we have several others

Kevin reach out to Autodesk (Rick) with Need/Opportunity

• Discovery – Kevin and Rick

• Desired Outcomes

• Current situation / solution

• What is the opportunity?

• Next steps

PARSONS / AUTODESK COLLABORATION

10 Sensitive / Proprietary

Solutioning is an Iterative Process

- Kevin and Rick primary staff to start

Added Ara during process

• ID and share Data

• Develop Models

• Review Models

• Refine Models and Fix Problems

• Kevin Review with Project Team and Owner

• Win Project

Success Management (Ara and Sean)

• Implement Solution

• Troubleshoot

• Develop more detailed Inventor parts

• Review with Team

• Ara and team assist on InfraWorks models​

• Develop more detailed Inventor parts​

• Review with Team​

PARSONS / AUTODESK COLLABORATION

11 Sensitive / Proprietary

Success Management (Ara and Sean)

• Sean brought in to guide Solution refinement and implementation

• Ara stayed on for guidance

• Troubleshoot – Office Hours

• Guidance to develop more detailed Inventor parts

• Weekly review with team

Model

Development

Process

© 2025 Autodesk. All rights reserved.

Products used

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Common Data Environment CDE

• All files managed in one location

• All connected to our main design tools

• Take advantage of expanded uses through other ACC tools

© 2025 Autodesk. All rights reserved.

Products used

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InfraWorks

InfraWorks was used to develop the background

model of existing conditions then used to develop

the bridge model and federated model

© 2025 Autodesk. All rights reserved.

Products used

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Civil3D

Civil3D to create baseline geometry and corridors. Civil3D is also used to hold bridge model export from InfraWorks.

© 2025 Autodesk. All rights reserved.

Products used

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Revit

Bridge model edited after InfraWorks export

Station models developed with Revit and coordinate systems applied to Revit models.

© 2025 Autodesk. All rights reserved.

Products used

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Inventor

Parametric bridge elements were developed

for deck, rails, girders and piers be imported to

InfraWorks.

© 2025 Autodesk. All rights reserved.

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Process

IMX

Civil3D

1. Develop alignments

2. Connect the C3D alignments to the model

3. Pier locations created from spreadsheet

4. Shape file exported for Piers using MAPEXPORT

Inventor

1. Develop parametric bridge objects to be used in InfraWorks.

Excel to edit bridge

1. Export bridge to excel file for detailed edits

2. Update bridge from connected Excel file

Export Bridge to Revit

1. Bridge is published to Revit using IMX for detail modeling and production

2. Civil 3D is used for Plan and Profile sheets

© 2025 Autodesk. All rights reserved.

Process

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InfraWorks

1. Bridge Model working location

How was it used!

© 2025 Autodesk. All rights reserved.

How was this used

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• ACC - Design Collaboration

• Clash Detection

© 2025 Autodesk. All rights reserved.

How was this used

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• Production

© 2025 Autodesk. All rights reserved.

How was this used

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• Virtual and Augmented Reality

© 2025 Autodesk. All rights reserved.

HOW WAS THIS USED

24Sensitive / Proprietary

• AI – Design review

• Secure data!

• Reliable results

EDMUNDO HERRERA

WORKFLOW

API’s RVT’s, DWG’s, PDF’s

ACC Management

Insights into ACTIONS!!!!

Python

HOW WAS THIS USED

26 Sensitive / Proprietary

• AI – Design review

Q&A

Legally Privileged & Confidential

Slide 1 Slide 2 Slide 3 Slide 4: Who is Parsons? Two Segments, One Playbook Slide 5: Click to add title Slide 6: What was the challenge Slide 7 Slide 8: Parsons / Autodesk Collaboration Slide 9: Parsons / Autodesk Collaboration Slide 10: Parsons / Autodesk Collaboration Slide 11: Parsons / Autodesk Collaboration Slide 12 Slide 13: Products used Slide 14: Products used Slide 15: Products used Slide 16: Products used Slide 17: Products used Slide 18: Process Slide 19: Process Slide 20 Slide 21: How was this used Slide 22: How was this used Slide 23: How was this used Slide 24: How was this used Slide 25: Workflow Slide 26: How was this used Slide 27: Q&A