Ingenieur Vol 76 ingenieur 2018 October | Page 27

Contributing factors as identified by Walton Influences or factors according to HSE model 1. Unsafe construction processes Originating influences 2. Failure to recognise the significance of an earlier incident Shaping factors 3. Lack of supervision Shaping factors 4. Failure to identify risk due to the change of process Originating influences 5. Lack of comprehensive inspection and testing Shaping factors 6. Failure in risk communication Shaping factors 7. Poor management of sub-contractors Originating influences Table 1: Different interpretations of influences and factors that contributed to the construction accident Figure 3: Hierarchy of influences in construction accidents (HSE, 2003) 25