5.    A pl•rt of a major  plant  renovation  prqjcct,  the industrial. engineering department has been asked to balance a revised assembly operation to achieve an output of 960 units per eight-hour day. Task times and precedence relationships are as follows:

 

 

  Task	Duration              Precedes (minutes)             task   0.2                      b 0 4 0.2 0.4                      e 1.2                      g 12           g 1.0                    end
a b c d e I g

 

 

Do each of the following:

a .  Draw the precedence diagram.

b.     Determ ine the maximum cycle time.

c.      Determine the mi nimum number of stations needed.

 

 

 

d.   Assign  tasks  m workstations  on  the basis of g,-eatest number  of following  t:isks.  Use longest processing timt' as a  tiebreaker.  If ties sti ll  exist, assume  i ndifference  in  choice.

e.    Comput the percenrage of idle time for the assignment in part d