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From 1987 to 2019, 2DM Associates, Inc. provided professional engineering services for heavy lifting, rigging, barge transportation, mobile crane installations on land and barges, specialized lifting equipment design, accident investigation, and related technical research. Although no longer providing professional services, David Duerr, P.E. (ret.) remains available for participation in training programs and is continuing to serve on ASME and NAMA standard-writing committees.

In the interest of helping contractors, facility owners, and former clients find another qualified consulting engineer, this guide has been prepared:

Retaining a Lifting/Rigging Specialist Consulting Engineer

Project photos

2DM Associates, Inc.
Houston, Texas, USA
Phone: 832-721-5044
E-mail: Duerr@2DM.us

Copyright © 2DM Associates, Inc. 2019. All rights reserved.

As of October 1, 2019, 2DM Associates, Inc. is no longer providing professional engineering services.