Otherwise if for time or resource limitations HAZOP is
not going to be followed by LOPA, then HAZOP should consider risk
ranking after safeguards definition. Therefore, the HAZOP leader
should explain to the HAZOP team at the kick-off meeting a concise
explanation of necessary considerations to identify safeguards
having criteria to distinguish them as Independent Protection
Layers (IPL) as well as the risk reduction provided by each IPL.