Responsive. Honest. Accurate.
DiDonato Associates is a Buffalo-based engineering and architecture practice in business since 1965, serving clients throughout Western New York. It delivers civil and structural engineering, transportation design, aviation infrastructure, architectural design, and construction administration across public and private sectors. With principals actively working on every project, it has built a reputation for responsive, cost-effective service for municipalities, state agencies, airport authorities, educational institutions, and private developers.
LEED Accredited Professional
James A. Frick, P.E.President
Peter A. Ringo, P.E.Executive Vice President
Christopher Gardner, PEVice President - Aviation
Jeffrey Blank, PEVice President - Structures-Bridges
William Ratka, PEVice President - Transportation
Michael Banks, AIA, LEED APVice President - Architecture
Daniel Schneider, PE, SEVice President - Structures-Buildings
John M. DiDonato, P.E.Executive Vice President
Stephen AureliBusiness Manager
Julie StearnsDirector of Marketing
Roadway rehabilitation, complete streets, stormwater, drainage design, and site civil services for public and private clients.
Pavement reconstruction, sidewalks, curbs, stormwater management, ADA accessibility, bicycle paths, and traffic calming.
Comprehensive site development, grading, drainage, and local zoning approvals.
Stormwater management, drainage system design, and utility infrastructure coordination.
Highway design and reconstruction, traffic studies, and transportation planning for state and local highway agencies.
Rehabilitation, mill and overlay, and reconstruction of municipal and county roadways.
Traffic signal studies, speed studies, traffic calming, and slow streets planning.
Bridge design, inspection, rehabilitation, repair, and replacement. Includes culvert design and inspection.
Culvert replacements, design, and structural inspections for local and state authorities.
Re-decking, substructure repair, and complete structural replacement of bridges.
Biennial bridge inspection programs for regional and state transportation departments.
Developing preventive and structured bridge maintenance schedules for municipal clients.
Structural design for new buildings, additions, and renovation of existing facilities. Includes foundations for scoreboards, billboards, and electronic signage.
Structural design from foundations to framing for commercial, industrial, and public buildings.
Structural assessments, renovations, and upgrades for existing educational and municipal facilities.
Foundations and structural framing design for professional and collegiate sports stadium scoreboards nationwide.
Detailed facility assessments, structural integrity studies, and deficiency reports.
Analysis, rehabilitation, and detailing of building facades, roofs, and structural envelopes.
Planning, design, and construction services for airfield infrastructure including runways, taxiways, aprons, grading, and drainage. The aviation group has over 25 years of experience.
Design and maintenance of airside runways, taxiways, and aprons under stringent aviation standards.
Civil grading, storm drainage, and deicing containment facility design for aviation environments.
Obstruction studies, conceptual layouts, and capital planning for regional and international airports.
Establishing materials testing and contractor quality control programs for airfield construction.
Marshall Mix Designs, P-401 and P-501 laboratory quality control testing, and in-place asphalt density monitoring.
Architectural design from concept through construction documents for municipal, educational, commercial, retail, park, and transportation facilities. Includes historic preservation and LEED / sustainable design.
Initial master planning, space optimization, and programmatic assessments.
Developing detailed architectural drawings, specification manuals, and builder guidelines.
Conceptual layout options, spatial analysis, and cost-efficiency studies.
Interior renovations, spatial upgrades, and material selections for public and commercial spaces.
Coordinating site layouts, parking design, and regulatory approvals with local boards.
Incorporating environmental stewardship and energy efficiency into new builds and renovations.
Restoration and exterior rehabilitation design for heritage structures and historic municipal buildings.
Ensuring structural and accessibility compliance with New York State and local building codes.
Bid assistance, construction administration, design support, construction monitoring/inspection, and clerk of the works during project delivery.
Preparation of bid documents, pre-bid conferences, and contractor selection support.
Reviewing shop drawings, processing submittals, and providing design support during the building phase.
Field inspection and quality monitoring to ensure compliance with architectural and engineering specifications.
Providing on-site owner representation, project progress documentation, and daily construction oversight.
Independent construction code compliance, safety monitoring, and municipal building reviews.
Structural safety inspections and condition evaluations for public and private facilities.
Aviation · Airports · Highways & Roads · Bridges · Government · Public Safety · Industrial · Retail · Commercial · Education · Healthcare · Sports & Recreation · Affordable Housing · Transportation
Buffalo, NY · Highways & Roads · Client: City of Buffalo Department of Public Works
Rehabilitation and reconstruction of Main Street in Buffalo, introducing complete streets elements, traffic calming, and vehicle-transit sharing.
Buffalo, NY · Airports · Client: Niagara Frontier Transportation Authority (NFTA)
Planning, design, and construction phase services for runways, taxiways, and aprons, including safety area improvements, deicing containment, and materials testing.
Erie County, NY · Bridges · Client: Erie County DPW
Complete bridge replacement design, civil coordination, and construction-phase inspections.
Buffalo, NY · Education · Client: State University of New York at Buffalo
Multidisciplinary architectural and engineering term contract services, including facility renovations, parking restorations, and structural analyses of campus buildings.