49.—(1) The director may make arrangements for any child to be placed under constant observation by means of an overt closed circuit television system while the child is in a bedroom or other place in the centre if he considers that:—
(a)such supervision is necessary for
(i)the well-being of the child
(ii)securing or maintaining security or good order and discipline in the centre; and
(b)such supervision is proportionate to what is sought to be achieved.