(solution) #2) TransCanada Corp. is in the business of manufacturing toys

(solution) #2) TransCanada Corp. is in the business of manufacturing toys

#2) TransCanada Corp. is in the business of manufacturing toys using assembly lines.  The time to perform each task and the tasks that must immediately precede each task are:

Task                       Precedence       Duration (seconds)

A                                 —                    18

B                                  —                    30

C                                  A, B                 12

D                                  B                        6

E                                  C, D                 12

F                                  D                      36

G                                 F                      24

Demand per day is 560 units. The company works one 8-hour shift each day.  A shift includes 2 snack breaks of 20 minutes (each).  In addition, every hour there is a 6-minute rest break (i.e. 48 minutes per 8-hour shift). 

For a cycle time of 45 seconds, balance the line using the Longest Operation Time first rule. (4 points)

If cycle time is 45 seconds, what is the production rate per day? (2 points)