Provide information to the work team about WHS policies and procedures The reviewer outlines the broad organisational responsibilities for managing WHS (including WHS training, identification of hazards, assessing and controlling risks, as well as the legal requirement to implement policies and monitor procedures. Stakeholders' Duty of Care The reviewer clearly identifies the main elements of the Duty of Care under the WHS Act, as well as the responsibilities of a PCBU (Person Conducting a Business or Undertaking). This includes a discussion of how the failures could have been avoided and what procedures should be in place to avoid a re-occurrence of any such critical incidents Impact of SWMS and Toolbox talks on WHS The reviewer describes the function of SWMS (Safe Work Methods Statement) and Tool Box talks in maintaining WHS on the work site. The reviewer also considers their potential effect on the outcome of this Case Study, based on the evidence provided (e.g. could the deaths have been prevented with effective SWMS or Toolbox talks?) Likely effect of Changes made on WHS in future The reviewer identifies the range of changes implemented by the State Department of Public Works following the critical incident and evaluates the relative cost