Swarthmore College Sharples Dining Hall & Community Commons
Education · Client: Swarthmore College
Net-zero energy dining and community facility incorporating geothermal wells within the structural foundation system.
O'Donnell & Naccarato
Local Expertise. National Reach.
About the firm
O'Donnell & Naccarato is a national structural engineering practice founded in 1981 in Philadelphia by Bill O'Donnell and Pete Naccarato. Starting as a three-person office, O&N has grown to more than 100 professionals across 10 offices with licensure in 49 states. It averages over 1,000 projects annually spanning every major construction sector, carries responsibility for more than $6 billion in annual construction value, and has produced over 2 billion square feet of BIM structures since 2006. Services cover the full building lifecycle - new construction, expansion, renovation, and restoration - for building types from commercial towers and hospital campuses to historic landmarks and parking structures.
- Established
- 1981
- Team size
- 50–199 employees
- Firm type
- Structural Engineering
People
David Blankfard
Jonathan DrujakMiami Office Leader
John Mamana
Matt Mowrer
Capabilities
Structural Engineering
Service websiteFull-lifecycle structural design for buildings across all construction sectors, from commercial high-rises and hospital campuses to cultural landmarks and science facilities.
- New Construction
- Adaptive Reuse & Renovation
- Mass Timber
- Low Carbon Concrete Design
Repair/Restoration Assessments & Design
Service websiteStructural assessment and repair design for existing buildings, facades, garages, and historic structures.
- Structural Investigation
- Facade Engineering
Parking/Functional Design
Service websiteStructural design for parking garages and functionally driven building programs.
Specialty Engineering
Service websiteBespoke structural solutions for unique programs, including renewable energy system integrations and specialty structures.
Industries
Commercial · Healthcare · Education · Government · Multifamily Residential · Mixed-Use · Historic Preservation · Hospitality · Industrial · Arts & Culture · Senior Living · Retail · Parking · Life Sciences · Justice & Corrections · Public Safety · Research Facilities
Projects
Perez Art Museum
Arts & Culture
Air Products Corporate Headquarters
Commercial · Client: Air Products
Holtec International Krishna P. Singh Technology Campus
Industrial · Client: Holtec International