Definition(s)
Hazard Hierarchy
A checklist of hazards, consequences and sources which may be used, as appropriate, for risk assessment (risk identification and assessment). Before using the checklist is should be reviewed to confirm that is appropriate and complete for the intended application.
Source: International Association of Drilling Contractors, Appendix 2 to Health, Safety and Environment Case Guidelines for Offshore Drilling Contractors, Issue 3.3.2, February 2010. IADC Guidelines