TJ O' Connor & Associates

T.J. O'Connor & Associates is a consulting engineering firm, established in 1937. The company is an independent professional organisation providing clients with unbiased judgement and advice on specific projects, recommending the optimum economic and technical solutions.

T. J. O’Connor & Associates have acted as lead consultant in major Joint Ventures with Scott Wilson (now URS), the Dutch engineering consultancy firm the DHV group and DeVilliers (now Bigen Africa). From these joint ventures the company has availed of their partner’s expertise, large staff resources and worldwide experience.

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Civil Engineering
T. J. O'Connor & Associates has been the lead designer in many of the country'smajor wastewater systems, water supply projects and flood alleviation and management schemes, including working in environmentally sensitive Natura 2000 sites and marine and harbour works. We have undertaken Masterplanning and Infrastructure design for a range of large business parks and are leading the way in the design of innovative Sustainable Urban Drainage Systems(SUDS).

The following Civil Engineering services are provided by the firm:

• Water & Wastewater treatment works
• Drainage and sewerage systems
• Water supply and distribution systems
• Marine / Harbour Works, Outfalls & Land Reclamation
• Flood Alleviation Works
• Strategic plans for water and wastewater systems
• Infrastructural Development Works & Masterplanning
• Solid waste management
• Sustainable Urban Drainage Schemes

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Structural Engineering
T. J. O'Connor & Associates' design services incorporate innovative structural solutions and have included the world's first bi-steel liftcore, constructed as part of the Dundrum Town Centre development.

The following is a list of structural engineeering services provided by the firm:

• Office & Commercial developments
• Shopping centres
• Hospitals, Medical Centres & Nursing Homes
• Logistics & Industrial developments
• Colleges and schools
• Leisure and sports complexes
• Residential developments
• Hotels
• Churches
• Refurbishment and Renovations

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Transportation Engineering
T. J. O'Connor & Associates provide transportation design services on a range of urban and city centre residential and commercial developments. These developments range from medium to large scale, on confined sites incorporating the integration of the Luas and Metro North public transport infrastructure.

The range of transport engineering design services offered by the firm include:

• Traffic Impact Assessments (TIA)
• Mobility / Travel Plans for sustainable development
• Planning Submissions: Rezoning, Area Action Studies & Strategic Planning
• Environmental Impact Statements
• Site Appraisal / Feasibility Studies
• Planning appeals - written and oral

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Health and Safety
T. J. O'Connor & Associates recognise that successful management of Health and Safety contributes to the overall performance of the Company, by reducing unnecessary losses and liabilities and is considered and 'equal partner', along with production and quality.

Our staff has gained a wealth of experience in designing for Health and Safety through the following processes:

• T. J. O’Connor & Associates have acted as Project Supervisor Design Process (PSDP - formally PSDS) on all Civil Engineering projects, including Design and Build projects
• A number of our staff have completed a Post Graduate Diploma in Health and Safety in Construction and have specialised in the role of PSDP
• Members of our Staff have represented the ACEI in negotiations with the Health and Safety Authority (HSA) and the Government for the drafting of the new SI504 of 2006 (Safety, Health and Welfare at Work (Construction) Regulations 2006), and associated Guidance Note.
• T.J. O’Connor & Associates staff are actively involved in developing and presenting the Designing for Safety in Construction and PSDP courses run on a continuous basis by the ACEI and Engineers Ireland.