Question

A work operation consisting of three elements has been subjected to a stopwatch time study. The observations recorded are shown. By union contract, the allowance time for the operation is personal time 5%, delay 5% and fatigue 10%. Determine the standard time for the work operation.

CYCLE OBSERVATIONS (IN MINUTES)

JOB ELEMENT	1	2	3	4	5	6	PERFORMANCE RATING (%)
A	0.1	0.1	0.2	0.9	0.2	0.1	90
B	0.8	0.6	0.8	0.5	3.2	0.7	110
C	0.5	0.5	0.4	0.5	0.6	0.5	80