It is the mission of Cowan Associates, Inc. (CAI) to provide quality Professional Engineering services, personalized and with on-time delivery. We, the employees and management, aim to strive for excellence so that you, the client, will achieve success.
To be an outstanding Professional Engineering Service provider, who partners with clients with diverse needs, to successfully turn their ideas into reality.

Charles R. Tomko, P.E., Vice Pres./Treasurer
 Director of Structural Engineering

Professional Engineer
Pennsylvania - Reg. #PE-033995-E
Maine - Reg. #PE-8615
New Jersey - Reg. #43028
Maryland - Reg. #26779
New York - Reg. #081823


BSCE - Civil Engineering, Lehigh University - 1979
Professional Associations
American Society of Civil Engineers
American Institute of Steel Construction
Pennsylvania Society of Professional Engineers
Construction Specifications Institute
Professional Service Positions

American Society of Civil Engineers - Secretary to Lehigh Valley Chapter 1988-89
Pennsylvania Society of Professional Engineers - President to Lehigh Valley Chapter 2004/2005
PSPE, Professional Engineers in Private Practice (PEPP), Regional Vice President, 2009 to Present

Public Service Positions
Kids Together - Volunteer 1995-Present
President of Quakertown Rotary, 2009-2010
Continuing author, Cowan Associates, Inc. Newsletter, "Angle and Line"

Areas of Concentration

Structural Design
Bridge Design
Construction Specifications
Technical Reports
Preparation of Structural Plans
Permit Preparation: PaDEP, PennDOT, Conservation District
Structural Building Evaluations
Foundation Engineering
Specialized Expertise - Forensic Engineering

Billboards Design, Construction
Bridge Design, Construction & Maintenance
Building Engineering and Facility Design
Code Compliance Reviews
Design and Construction Failure Investigation
Earth Retaining Structures and Dams
Failure Investigation and Analysis
Slope Failures and Subsidence
Highway Engineering, Maintenance and Safety
Parking and Vehicular Circulation Design
Slip, Trip and Fall Accidents
Work Place Safety Construction and Industry

Court Certified

CCP: Lehigh County
Arbitration:  Chester County

Professional Experience
Cowan Associates, Inc. (CAI) 1995 to Present

This is a broad-based engineering firm offering services in the fields of Civil, Structural, Environmental, Land Development, Municipal and Building Engineering, as well as Surveying, Landscape Architecture, and Construction Management. Have served as Project Engineer, and currently Vice President/Treasurer. As an engineer with CAI, have represented clients in the design and construction of roadway and pedestrian bridges, industrial buildings, salt storage buildings, sanitary structures, and retaining walls.

F & M Associates, Inc. 1979-1995
Served as design engineer. Projects included steel, concrete, and timber design for buildings, bridges, and retaining walls, etc. Also involved in bridge inspection program for Lehigh County, PA.
Fritz Engineering Lab - Lehigh University 1978-1979
Served as part-time technician. Assisted in testing procedures including slip-critical steel connection.
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