O&S Associates has conducted extensive assessments and repairs for University of Pennsylvania garages, including visual surveys, acoustic testing, and providing comprehensive reports with repair recommendations and cost estimates for future work.

O&S developed a 10-year master plan for the Philadelphia Parking Authority, providing engineering services for the assessment, restoration, and renewal of parking garages at Philadelphia International Airport.

Co-op City’s parking garages required extensive structural repairs due to deterioration and partial collapses. O&S conducted an in-depth analysis, created repair designs, and provided construction oversight, ensuring safe, restored parking structures for the largest cooperative housing development in the world.