Question

Question one: A job is divided into four work elements. Work element t F RF 1 0.4 1 1 2 0.32 0.5 0.8 3 0.2 1 1.2 4 0.5 1 1.3 Calculate the normal time. Assuming that the allowance is 20 percent of the normal time. Calculate the standard time for this job. What are the uses of the calculated standard time for managers?

Answer 1

Answer

• Normal time = Sum (t*F*RF) for all work elements = 1.418
• Standard time = Normal time (1 + Allowance factor) = 1.7016

Work element	t	F	RF	t*F*RF
1	0.4	1	1	0.4	=B2*C2*D2
2	0.32	0.5	0.8	0.128
3	0.2	1	1.2	0.24
4	0.5	1	1.3	0.65
			Normal time	1.418	SUM(E2:E5)
Allownace factor	20%
Standard time	=	Normal time (1 + Allowance factor)
Standard time	=	=1.418*(1+20%)
Standard time	=	1.7016

с D E F G t F 1 0.5 A B Work element 2 1 0.4 3 2 0.32 4 3 0.2 5 4 0.5 6 7 Allownace factor 20% 8 Standard time 9 Standard time 10 Standard time 11 RF t*F*RF 1 0.4 =B2*C2*D2 0.8 0.128 1.2 0.24 1.3 0.65 Normal time 1.418 SUM(E2:E5) 1 1 = Normal time (1 + Allowance factor) =1.418*(1+20%) 1.7016

Definition of Standard time - It is the time required by an operator to perform a specific task working at a standard pace.

• Standard time a key work measurement parameter for managers and is used in many ways by managers as follows.
• For workforce planning - Unless Standard time i.e. time required to complete the task is known , managers cannot plan the staffing or resourcing.
• Assembly line balancing for optimum workflow of work elements by analyzing the standard time period.
• Staff wages - Times are compared for expected vs actual for performance management & evaluation
• Schedule slippage and risk monitoring.

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