(a) To give technical advice on matters relating to construction and maintenance works carried out in correctional facilities; (b) to supervise and train prisoners/inmates in construction and maintenance works; (c) to ensure that all safety measures are up to the required standard and that prisoners/inmates fully understand such measures; (d) to maintain proper control of all tools, equipment and works materials; (e) to enforce the Code of Practice of Occupational Health & Safety and related regulations; and (f) to perform any other duties assigned.

(a) have completed an apprenticeship or institutional training in construction and maintenance [Note 1]; or be able to furnish evidence that they have at least 5 years' experience in construction and maintenance; (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 construction and maintenance [Note 2].