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Structural Engineers Association of New York

Design and Construction of the Cable Supported Roof at JMA Dome in Syracuse NY

  • 10 May 2023
  • 12:00 PM - 1:30 PM
  • Zoom Webinar


  • PDH certificates are not available for student registration.
  • Email for code

SEAoNY Young Member Group Presents:

Design and Construction of the Cable Supported Roof
at JMA Dome in Syracuse, NY

DATE: May 10, 2023
TIME: 12:00 pm - 1:30 pm
Zoom Webinar

The speakers will discuss design anconstruction aspects of this unique award-winning project.

The Syracuse Stadium (a.k.a. JMA Dome), a 50,000 seat multipurpose domed stadium, opened in 1980 as the first, and remains the only, covered stadium in New York. The stadium hosts Syracuse University athletics as well as hosting a myriad of events serving the campus and the greater Syracuse community. The stadium has recently undergone a dramatic renovation featuring the replacement of its air-supported roof with cable truss roof structure.

Geiger Engineers designed and engineered the new roof and led the project design team. The project includes a new sound system, sports lighting, a center hung video scoreboard, and air-conditioning of the stadium facility. The new roof is the first-of-its-kind cable truss clad partially with tension membrane and rigid panels developed to exploit the geometric configuration of the original air-supported roof. The new roof covering 23,250 square meters (250,000 square feet) features an external steel crown truss supported on the original concrete ringbeam and its supporting structure. Whereas the original roof required snow to be melted or otherwise removed, the new structure is designed to support more than 6,350,000 kg (7,000 tons) of snow while providing natural daylighting of the facility.

Learning Objectives

  • Identify cable-supported structures
  • Describe briefly the structural system of the new roof
  • Explain how optimization techniques were used in the design
  • Cite unique construction methods used for the roof structure

Registration Fees:
SEAoNY Members – Free
SEAoNY Student Members - Free
Student Non-Members - $5 (Inquire about free student membership at
Non-Members Professional  - $15


Keith M. MacBain, Ph.D., P.E., S.E.
President, Geiger Engineers

Keith MacBain began working with Geiger Engineers in 2002.  His areas of specialization include structural engineering with emphasis on computational methods in optimization and nonlinear response of structures.  He is actively interested in areas of structural optimization, stability, and nonlinear dynamic analysis.  Keith became an Associate in the firm in 2009, a Principal in 2013, and became President in late 2022.

Eric Dahl
Principal, Project Manager, Geiger Engineers

Upon completing his graduate degree at Rensselaer  Polytechnic Institute, Eric joined Geiger Engineers as   a Design Engineer in 2009. He became Associate in the firm in 2016 and a principal in 2022. Eric has managed and worked on a number of challenging and successful projects.

Registration ends  9:00 am, May 10, 2023

By registering for this SEAoNY event, I give consent for my photograph to be taken or presence recorded and possibly used on the organization’s intranet, internet, newsletters, board reports, and other organizational materials as needed. I understand that I am not eligible for compensation for use of my photo and I may not be informed in advance of the specific use of those images.



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