The information that an employer may require on the effect of shift rosters includes -
4.2.1 the ranked preferences of employees for different shift systems (this should include factors such as rate of rotation, length of shift, extension of operating time, starting and finishing times of shifts, weekends off, off duty periods);
4.2.2 the employee's views of the advantages and disadvantages of the existing or proposed shift system;
4.2.3 aspects of the employee's work that could affect the determination of a suitable shift length;
4.2.4 how an existing or proposed shift schedule affects or might affect the health and safety of employees;
4.2.5 means, costs and availability of transport to and from the place of residence and the personal security of the employee while commuting
4.2.6 the childcare needs of the employees.