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)
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