Autodesk Launches New Hydraflow Storm Sewers Extension for AutoCAD Civil 3D

Autodesk Acquires Business of Intelisolve to Expand Technology Portfolio and Support Broader Civil Engineering Workflow

SAN RAFAEL, Calif., Dec. 18 / -- Autodesk, Inc. (NASDAQ: ADSK) today announced the immediate availability of a new downloadable product extension, Hydraflow Storm Sewers Extension for AutoCAD Civil 3D, to support storm sewer design and analysis. The new extension, available free of charge exclusively to AutoCAD Civil 3D subscription customers, is being made available as the result of the company's recent acquisition of the business of Intelisolve, a Salem, South Carolina-based provider of hydrology and hydraulics design and analysis software for civil engineering.

"The addition of this new analysis and design capability to the Autodesk portfolio of civil engineering software will enable our customers to obtain greater value from their design data," said Jay Bhatt, senior vice president, Autodesk AEC Solutions. "This acquisition also supports Autodesk's ongoing commitment to sustainable design by enabling our civil engineering customers to design and analyze efficient storm water management systems, an important part of low-impact development."

A Stronger Total Solution for Civil Engineering
Autodesk plans to leverage Intelisolve's technology and market experience to enhance its civil engineering solutions and strengthen its presence in the architecture, engineering and construction (AEC) industry. AutoCAD Civil 3D and Hydraflow Storm Sewers Extension support data exchange via LandXML and Autodesk is working to make these products integrate more closely in the future.

"Our firm has been using Intelisolve and Autodesk products for many years, so we're excited that we'll now only have to purchase one tool set, giving us faster, smarter designs, a single point of support and lower maintenance costs," said Mark G. Lee, PE, RLS and president of Paul Lee Consulting Engineering Associates. "We look forward to seeing the design validation logic that we have come to trust with Intelisolve become more thoroughly integrated into our AutoCAD Civil 3D designs."

Hydraflow Storm Sewers Extension is now available for download by AutoCAD Civil 3D subscription customers at the Autodesk Subscription Center. At this time, the extension is available in English only and can only be installed with Civil 3D 2008. For more information, please contact your Autodesk reseller or visit

Autodesk Subscription
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About Autodesk
Autodesk, Inc. is the world leader in 2D and 3D design software for the manufacturing, building and construction, and media and entertainment markets. Since its introduction of AutoCAD software in 1982, Autodesk has developed the broadest portfolio of state-of-the-art digital prototyping solutions to help customers experience their ideas before they are real. Fortune 1000 companies rely on Autodesk for the tools to visualize, simulate and analyze real-world performance early in the design process to save time and money, enhance quality and foster innovation. For additional information about Autodesk, visit

Autodesk, AutoCAD and Civil 3D are registered trademarks or trademarks of Autodesk, Inc., in the USA and/or other countries. All other brand names, product names, or trademarks belong to their respective holders. Autodesk reserves the right to alter product offerings and specifications at any time without notice, and is not responsible for typographical or graphical errors that may appear in this document.

© 2007 Autodesk, Inc. All rights reserved.

CONTACT: Noah Cole of Autodesk, Inc., +1-503-707-3872,;

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