Following data were obtained by a work study.
(i) Maintenance time
(a) Get out and put away tools = 12.0 min/day
(b) Cleaning of machine = 5.0 min/day
(c) Oiling of machine = 5.0 min/day
(d) Replenish coolant supply = 3.0 min/day
(ii) Interruption
(a) Interruption by foreman = 5.0 min/day
(b) Interruption by porter etc. = 4.0 min/day
(iii) Delay time due to power failure etc. = 6.0 min/day
(iv) Personal time = 20.0 min/day
Calculate total allowances, total available cycle time productive hours, considering a working day of 8 hours.