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Design Solutions for Ground-Based Astronomy Structures & Mechanisms - 1.5 PDHs (resched. from 2/20)
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When: May 7, 2019
Where: IDOM
330 Second Avenue South
Suite 600
Minneapolis, Minnesota  55401
United States
Presenter: Tom Lorentz
Contact: 651-457-2347

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Design Solutions for Ground-Based


Astronomy Structures and Mechanisms



Hosted and Presented by IDOM


1.5 PDHs - Attend at the live site or via live webinar


Engineers Happy Hour/Social to follow at Hop Cat Brewery

Sponsored by 75F


75F gave the December 2018 MnSPE technical webinar.


Join us for a social immediately following this seminar. Appetizers will be provided by 75F.
This Engineers social is for all MnSPE members and their guests - details below.




In recent years, IDOM has been actively participating in the design of some of the most significant ground-based astronomy structures in the world. Design work has included participation on all the giant telescopes ranging from 20 to 40m in diameters such as: European Extremely Large Telescope (E-ELT), Giant Magellan Telescope (GMT) and the Thirty Meter Telescope (TMT). In addition, IDOM has completed design for other important telescope structures such as the Daniel K Inouye Solar Telescope (DKIST), the Mauna kea Spectroscopic Explorer Telescope (MSE), and instruments for the Gran Telescope Canarias (GTC). Each of these instruments are unique and complex mechanisms, requiring advanced engineering and design practices as well as solutions for a host of logistical issues for assembly in remote and space constricted locations. The next generation of the giant telescopes require innovative solutions to provide adequate load sharing, or to respond to structure-mechanism-control interaction issues, among other challenges.   


This presentation will focus on:

  • A summary of IDOM’s experience in the astronomy sector.
  • A description of unique design requirements and logistical challenges for astronomy structures and mechanisms.
  • An overview to several design approaches for main telescope mount structures, enclosures and instrumentation.



Tom Lorentz,PE, is the President of IDOM, Inc. and responsible for the U.S. operations of the IDOM group headquartered in Bilbao, Spain. IDOM is a privately held, multi-discipline engineering company with more than 2800 professionals and 40 offices around the world.  Tom is a graduate of the University of Minnesota, with a BCE and MS in structural engineering. He is also an alumnus of the University’s Carlson School of Management and the Minnesota Management Institute. Mr. Lorentz’s professional career has been focused on the design and evaluation of special structures:  welded plate and shell structures, as well as heavy industrial structures in the refining, chemical, paper, heavy manufacturing and mining sectors.



Registrations from the original Feb. 20 program that was rescheduled due to weather
have been automatically been carried forward.


Registration Deadline: Friday, May 3, 2019

All registrations after 5/3 will be assessed a $50 late fee through Sunday, May 5.
No registrations will be accepted after 5/5.
No walk-in registrations will be accepted.




MnSPE members and subscribers MUST log in to see the free/reduced rates


Cost: FREE for current MnSPE members, MnSPE Diamond/Platinum Partners group webinar sites and non-member IDOM employees. MnSPE Gold Partners receive 50% off individual and group non-member registrations.


*Platinum/Gold Industry Partners, contact MnSPE for a promo code.
*Membership/subscription must be current on the date of the seminar.


Fee-based registration:

  • MnSPE basic and plus subscribers: $37.50
  • Individual non-members (in person or via live webinar): $75
  • Small group webinar site of 3-5 non-members participating: $215
  • Medium group webinar site of 6-10 non-members participating: $425
  • Large group webinar site of 11+ non-members participating: $775


To the best of our knowledge, this seminar meets the requirement for continuing education as outlined by the Minnesota Board of Architecture, Engineering, Landscape Architecture, Land Surveying, Geoscience and Interior Design.



Engineers Happy Hour/Social


Join us immediately following this seminar at nearby HopCat Brewery. Appetizers provided by 75F. There is no cost to attend.

  • Meet our presenters from the December 2018 technical webinar - an opportunity to chat with them about energy efficient buildings
  • Have a beer and some food!
  • Learn about the MN Professional Engineers Foundation (MnSPE's foundation) - MPEF is inviting current scholarship recipients to join us.
  • Welcome scholarship winners to MnSPE and meet some of the best and brightest coming in to the engineering profession

The Minnesota Professional Engineers Foundation raises funds to support access to engineering education for all, as well as promoting greater
understanding of the work of engineers and supporting fields through such programs as Minnesota MATHCOUNTS. The Foundation wants to improve access to engineering education and jobs, and we'd like to bring in more friends to help us in this work.


Please invite others.


RSVP in the seminar/webinar registration link above, or via the social event online listing here.


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