(a)The warder guard, shall, after due allowance has been made for leave, sickness, transfer, etc., be divided into two squads as equally as possible which may be called A & B. Squad A will come on duty at 6 A.M. and be relieved by squad B at noon; Squad B will be on duty till 6 P.M., and will be relieved by the night guard which may be composed partly from Squad A and partly from Squad B.