A dress-making operation is being designed as an assembly line. The table below shows the tasks that need to be performed, their task times, and preceding tasks. If the goal is to produce 30 dresses per hour, answer the questions.

Dress-Making Task Information
Work Element		Immediate Predecessor		Task Time (sec)
A. Cut dress body		None		30
B. Cut sleeves		None		40
C. Cut collar		None		18
D. Sew dress body		A		100
E. Sew sleeves to dress		B, D		26
F. Sew collar to dress		C, D		51
G. Hem dress		D,E, F		49
H. Package dress		G		91

Compute the cycle time.

C = _________________ seconds/dress

Which task is the bottleneck?

Task A, B, C, D, E, F, G, OR H is the bottleneck.

What is the maximum output for this line?

Maximum Output = ________________dresses per hour

Compute the theoretical minimum number of stations. (Round your answer up to the nearest whole number.)

TM =_________________stations

Assign work elements to stations, using the longest task time rule. (Work Stations are 1-5 and Task Selected is A-H)

Work Station Task Selected

_______ _______

_______ _______

_______ _______

_______ _______

_______ _______

_______ _______

_______ _______

_______ _______

Compute the efficiency and balance delay of your assignment. (Round your answers to 2 decimal places, the tolerance is +/-0.05)

Efficiency = _________________%

Balance = ________________%