6 The particulars of the charge were expressed in the following terms:
(a) At all material times the defendant (Department of Juvenile Justice) operated the Yasmar Juvenile Justice Detention Centre, Parramatta Road, Haberfield in the State of New South Wales ("Yasmar").
(b) At all material times Yasmar provided custodial services, including educational services, to female detainees aged between 10 and 18 years who were in custody charged with or convicted of criminal offences.
(c) At all material times detainees including DA were in the custody of the Superintendent of Yasmar.
(d) At all material times the defendant (Department of Education and Training) operated the Sunning Hill School for Specific purposes located within the confines of Yasmar Juvenile Justice Detention Centre and which provided education services to student-detainees in the custody of the Superintendent of Yasmar.
(e) At all material times, pursuant to a joint scheme between the Department of Education and Training and the New South Wales Technical and Further Education Commission, the New South Wales Technical and Further Education Commission delivered vocational courses, and in particular a cooking or hospitality course, to student-detainees including detainee DA in a classroom at the Sunning Hill School and provided teaching staff and course equipment for this purpose.
(f) At all material times the defendant employed Karen Horsley as a Teachers Aide who, in the exercise of her duties as a staff member of the Department of Education and Training, was present in a classroom of the Sunning Hill School whilst the cooking or hospitality course was delivered to student-detainees including DA.
(g) At all material times the defendant employed Scott Bremner as a Food School Assistant and Mandy Holmes as a Teacher who, in the exercise of their duties as staff members of the New South Wales Technical and Further Education Commission, were delivering the said cooking or hospitality course to student-detainees including DA in a classroom of the Sunning Hill School.
(h) At approximately 11:00am on 23 July 1999 Schott Bremner was assisting in the delivery of the cooking or hospitality course in a classroom of the Sunning Hill School, when he was stabbed in the back by student-detainee DA with a cooking knife used by students participating in the said course, occasioning his death.
(i) At all material times there was a potential risk to the health, safety and welfare of the employees in that there was a risk of the employees being assaulted by student-detainee DA who had demonstrated aggressive and/or violent behaviour and had access to dangerous implements such as knives and thereby suffering physical and mental harm.
(j) The defendant's failures and/or omissions were the following:
(i) Failing to assess or adequately assess the selection and suitability of student-detainee DA to participate in a course involving access to and the use of cooking knives.
(ii) Failing to prevent student-detainee DA from participating in a course that involved her having access to and the use of knives.
(iii) Failing to adequately inform employees of matters relating to the behavioural problems of student-detainee DA participating in a course involving access to and the use of cooking knives.
(iv) Failing to access or adequately assess the suitability of delivering a course to student-detainee DA that involved access to and use of cooking knives.
(k) As a result of the said failures and/or omissions there was a risk to the health, safety and welfare of the said employees.