Safety improvement report for the Health and Safety Manager

How do I  write a safety improvement report for the Health and Safety Manager.

the  report will need to include the following items and im really unsure on this

An introduction that explains why you conducted the review and the importance of continual improvement in workplace safety with chemical’s in a storage shed unlabelled

the WHS duty as below within your workplace and describe their involvement/duties in the risk management activities – Worker, Manager, Contractor, Officer, PCBU

How you accessed the internal and external information and data to inform hazard identification, risk assessment and risk controls