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Joseph A. De Nardis, P.E.

Principal

Education
M.E. Civil Engineering, 1981, Manhattan College, Riverdale, New York.
B.S. Civil Engineering, 1978, Manhattan College, Riverdale, New York.

Professional Experience
Mr. De Nardis started his professional career in 1978 with Geiger Berger Associates, P.C., Consulting Engineers, New York. The firm was renowned for innovative engineering concepts and was among the pioneers of special structures. While there, Mr. De Nardis participated in the design of many award winning projects and numerous avant garde special structures including: the Hawkeye Arena in Iowa, the Syracuse Carrier Dome, King Fahd International Stadium in Riyadh Saudi Arabia, Canada Harbour Place in Vancouver, the Westover School Science and Library Complex in Connecticut. Other projects included Twin Parks East Senior Housing in the Bronx, and BCI Bank and Annex Addition in NYC.

In 1983, Mr. Horst Berger left Geiger Berger Associates to form Horst Berger Partners. Mr. De Nardis joined Mr. Berger as an Associate with the new firm. This firm was instrumental in expanding the use of lightweight tensioned membrane structures for permanent applications and was also renowned for applying their expertise to conventional projects, major building renovations and designs for industrial facilities and modular building systems. Numerous distinguished works for which Mr. De Nardis was Project Manager and/or Project Engineer included: The San Diego Convention Center, Shoreline Amphitheater, Wimbledon Tennis Practice Arena, Wimbledon, UK, the Woodlands Mitchell Center for the Performing Arts in Texas, the McLain Athletic Facility at the University of Wisconsin, the America West Arena in Phoenix, the Lladro Headquarters in NYC, and the H.E.L.P. I Homeless Facility and Genesis Homes in Brooklyn.

In 1991, Mr. De Nardis initiated De Nardis Associates (now De Nardis Engineering, LLC). Since then he has successfully utilized his versatile experience to contract numerous projects. These vary in scope from conventional construction, such as work related to residential high rise buildings, to specialty construction, such as long span tensioned membrane structures. Mr. De Nardis manages the firm and also maintains direct involvement in projects in progress. A sampling of special or distinguished projects in progress or recently completed include: the H.E.L.P. Genesis Robert F. Kennedy Center in NYC, The UNI-Dome project in Iowa, The San Diego Convention Center Sails Area expansion, the Brooklyn Aquarium Amphitheater in New York, the Cohen Stadium project in El Paso Texas, phases I and II of a 2 million sq. ft. Southtown Complex on Roosevelt Island, NY, 100 Jay Street 33 story mixed use development in Brooklyn, NY, and the Cynthia Woods Mitchell Center for the Performing Arts Expansion in Texas.

Professional Societies

  • American Society of Civil Engineers
  • Fabric Structures Association
  • American Concrete Institute
  • National Society of Professional Engineers
  • American Institute of Architects Associate
  • American Institute of Steel Construction

Mark D. Riddle, P.E.

Associate Principal

Education
B.S. Civil Engineering, 1993, University of Arizona, Tucson, Arizona.

Professional Experience
Mr. Riddle started his professional career in 1993 at Paragon Structural Design, Inc. in Phoenix, Arizona. During his time with the firm, he was design engineer for the Heard Museum project in Phoenix, and the Trevor Brown H.S. in Phoenix, as well as various other diverse types of projects.

In 1998, Mr. Riddle joined De Nardis Associates, (now De Nardis Engineering, LLC). Since then, he has been involved with the UNI Dome project in Iowa, and the Dakota Dome project in South Dakota. Other recent projects include Firmenich Laboratory Facilities in New Jersey, numerous mid and high rise residential towers such as The Crossroads, 8th Avenue Tower, 23rd Street Tower, and Broadway and Worth Tower in New York City. He also completed the MoMA Arts Center renovation project in Queens, NY, and the Southtown Project on Roosevelt Island, NYC. Mr. Riddle is currently involved with various diverse projects in New York City and the Tri-State area.

Professional Societies

  • American Society of Civil Engineers
  • American Precast Concrete Institute
  • American Concrete Institute
  • American Institute of Steel Construction

Jairo Rios, P.E.

Senior Associate

Education
M. S. Civil Engineering, 1999, New Jersey Institute of Technology, Newark, New Jersey.
B.S. Architecture, 1995, New Jersey Institute of Technology, Newark, New Jersey.

Professional Experience
Mr. Rios started his professional career with the City of Newark, NJ, as an Architect for the Newark Economic Development Corporation. The position required survey documentation of existing structures as well as designs for renovations and alterations. The responsibilities included coordination of work, documentation, estimates, site visits and verification of existing conditions.

In 1994 Mr. Rios joined the New Jersey Institute of Technology. While teaching freshman students the fundamentals of engineering design he pursued his Masters Degree in Engineering with a focus on non-linear theory and tensioned membrane structures. He strengthened his computer skills by conducting extensive nonlinear analysis of various structures. Additionally, he developed the web site for the civil engineering department. The web site is considered an important reference source for the introduction and instruction of fabric structures for architects and engineers.

In 1996, Mr. Rios joined De Nardis Associates, (now De Nardis Engineering LLC). Since then, Mr. Rios has performed non-linear engineering analysis of numerous high profile works, as well as being involved with numerous mid and high rise residential and mixed use towers, including multi-storied buildings involving modular construction. Sample projects include the UNI-Dome Project in Iowa, Palm Springs Airport tensile structures in California, the Woodlands Amphitheater in Texas. He is directly responsible for architectural and engineering concerns. Projects in progress or recently completed include various commercial, instructional and residential facilities.

Professional Societies

  • American Society of Civil Engineers
  • American Precast Concrete Institute
  • American Concrete Institute
  • American Institute of Steel Construction