You must present a complete HAZOP for one part of the process. The HAZOP should be accompanied by a commentary explaining what decisions were made? Why? What changes are required?
You should present a discussion on the environmental impact of you process on the local area. You should consider pollution to land, air and water courses and what measures you propose to take to militate against any identified detrimental effects.
You should present a start-up/ shut-down and emergency shut-down procedures for the safe operation of you plant