An assembly line is to operate eight hours per day with a desired output of 240 units per day. The following table contains information on this product’s task times and precedence relationships. Task Task Time (Seconds) Immediate Predecessor
A 60 ---
B 80 A
C 20 A
D 50 A
E 90 B, C
F 30 C, D
G 30 E, F
H 60 G
a. Draw the precedence diagram. (Answers in Appendix D)
b. What is the workstation cycle time required to produce 240 units per day?
c. Balance this line using the longest task time.
d. What is the efficiency of your line balance, assuming it is running at the cycle time from part (b)?