of all prisons, and the custody of all convicted prisoners.
. . .
45. Every prisoner confined in a prison shall be deemed to be in the custody of the gaoler, and the liability of the Sheriff or other person delivering such prisoner shall cease on such delivery to the gaoler.
46. Every gaoler shall have the charge and superintendence of the prison for which he is appointed, and the custody of all persons imprisoned within the same; and he shall be liable to answer for the escape of any such person from his custody whenever such escape shall happen by or through his neglect and default, but not otherwise.
. . .
53. Prisoners may be removed from one prison to another prison by order of the Director -
(1) for the purpose of enabling any prison to be repaired, altered, enlarged or rebuilt;
(2) in case of contagious or infectious disease breaking out in any prison;
(3) when any prison has been closed by order of the Governor;
(4) when any prison is overcrowded; or
(5) for any other cause, to be specified in such order.
Any prisoners removed from any prison in pursuance of this section may, by order of the Director, be taken back by the gaoler to the prison from which they were removed, or be removed to any other place in which they can legally be imprisoned." (at p480)