The health and Safety Executive (HSE) in the United Kingdom has updated its Risk Management information.  For a 5 step easy to follow method go to:  http://www.hse.gov.uk/risk/fivesteps.htm

Note - this may not meet full legislative requirements for Risk Management  in all States in Australia, but is still  well worth a look.  It has advice which would be of particular use to film, theatre and other media workers who regularly work in a variety of locations and situations.