(a) training, instructing and supervising Persons in Custody in correctional institutions engaging in precast concrete production, overseeing work process including but not limited to concrete mixing, casting, finishing, testing, packaging; (b) performing duties including material estimation, production planning and scheduling, quality and work process control, machines and equipment operation and their general maintenance; (c) assisting in preparing vocational training materials and teaching related classes; (d) enforcing the Code of Practice of Occupational Safety & Health and related regulations; and (e) performing any other duties as assigned.
(Note: Subject to the provisions of the Prisons Ordinance, the appointee may be required to wear uniform, work shifts and live in departmental quarters.)

(a) have completed an apprenticeship or institutional training in precast concrete industries; or be able to furnish evidence that they have had at least 5 years' experience in precast concrete production [Note 1 under Entry Requirements]; (b) have attained a level of proficiency in Chinese and English Languages equivalent to Form 3 standard; and be able to speak fluent Cantonese and simple English; and (c) undergo and pass a trade test in precast concrete [Note 2 under Entry Requirements].