Who We Are
T. J. O’Connor & Associates
Civil & Structural Consulting Engineers
Since 1937 T. J. O’Connor & Associates has provided engineering design services for major national infrastructural projects and major iconic developments.
Read about T. J. O’Connor & Associates and Building Information Modelling (BIM), including becoming the first firm certified to international BIM standard I.S. EN ISO19650.
Read about T.J.O’Connor & Associates Pledge to Net Zero
ACEI ENGINEERING EXCELLENCE AWARDS: CIVIL 2022
Civil and Structural Engineers for the original upgrade contract to Ringsend WWTP catering for 1.64 million P.E. (40% of the country’s population) and the current contract increasing the capacity to 2.4 million P.E., equating to effluent treatment for 60% of the country’s population.
Read more about the ACEI Engineering Excellence Award.
Find out about our Civil Engineering services.
Worlds First Bi-Steel Core
Find out about our Structural Engineering services.