ERGONOMIC INTERVENTION DURING A GAS PROCESSING PLANT REFURBISHMENT

The potential for human error has been shown to increase in the transi tional phase of technological modernisation in process industries. Stu dies have shown there is a need for a systematic and disciplined appro ach to problem solving and identifying factors influencing human perfo rmance to minimise the impact of change in these circumstances. The ai m of this study was to provide ergonomic intervention to assist person nel to reduce the potential for human error and optimise working condi tions during a gas plant control room refurbishment. The terms of refe rence were; to identify factors likely to interfere with operators per formance during the transition to a new layout and their operational p rocedures, to assist in altering operational practice and decision mak ing during this period where necessary, and assess the effectiveness o f any changes recommended. The continually changing work situation req uired client/consultant collaboration, staff support and identificatio n of problems as they arose. Action research was adopted as the basic methodological approach. Preliminary investigations identified factors which might interfere with operators' performance. Structured aids we re developed, and technical advice given, together with ongoing ergono mic input (feedback and on-site support). The structured aids proved t o be of benefit although the modernisation process was underway before the start of this study. The technical advice offered was judged to b e beneficial by senior management and project staff. Overall the ongoi ng ergonomic involvement and input was seen by the client as contribut ing most to smoothing the technological transition, reduction of human error and the impact of the change process. Relevance to industry Thi s study highlights the value of a continuing role for ergonomic interv ention throughout the course of a technological change project. The ap proach and techniques adopted here can be used to provide support in f uture situations within industry.