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 More about the T.J. O’Connor & Associates Key Qualifications and Project Experience.
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 more about I.S. EN ISO19650 in the NSAI Interview Focus with Siobhán Moneley
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.
more about the ACEI Engineering Excellence Award.
Find out about our Civil Engineering services.
Worlds First Bi-Steel Core
Structural Engineers for the design of the worlds first bi-steel core, part of the 3 million sq. ft. Dundrum Town Centre development.
Find out about our Structural Engineering services.