What Safety Studies Have You Got on Your Menu?
procedures for heater de-isolation and startup after maintenance. No improvement actions were raised as a result of studying this scenario. This may imply that everyone was satisfied with existing arrangements. Also, there was an ongoing project to review and potentially upgrade the coil high temperature trip following a LOPA study ( see below). The PHR will be revisited on a regular basis (every five years) and future revisions will have the benefit of input from the LOPA. The PHR achieved its objectives by identifying major accident hazard (MAH) scenarios and reviewing safeguards and includ...