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 provided structural, mechanical, and electrical design for the Pittsburgh Technology Center parking garage, integrating solar panels and sustainable features to meet Parksmart Silver standards and support the URA redevelopment plan.

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.