Information derived from HAZAN: It is the operation in which initial study is done to determine Hazard, effect and its causes. e.g. Manufacturing of product using electricity Hazard could be assumed as , electric spark, burns, fire, sparking etc. If failure of equipment operate is done then it may cause accident Steps for carrying HAZAN operation
1) Assume the type of accident or hazard position e.g. Fire, explosion 2) Find out which plant or machine or system cause the accident for storage reactor, pipe line, vessel 3) Find out the initial event