# mgt311 define makespan draw gantt chart calculate the machine utilization

Sequence the jobs shown below by using a Gantt chart. Assume that the move time between machines is ** one hour**. Sequence the jobs in priority order 1, 2, 3, 4.

Job Work Center/Machine HoursDue Date (days) |
||

1 |
A/3, B/2, C/2 |
3 |

2 |
C/2, A/4 |
2 |

3 |
B/6, A/1, C/3 |
4 |

4 |
C/4, A/1, B/2 |
3 |

- Using finite capacity scheduling, draw a Gantt chart for the schedule
- What is the makespan?
- How much machine idle time is there?
- How much idle time (waiting time) is there for each job?
- When is each job delivered?
- Which department is the bottleneck?
- Calculate the machine utilization?

__Question 2:__

A public accounting firm requires the following activities

for an audit:

Activity |
Immediate Predecessor |
Activity time |

A |
– |
3 |

B |
A |
2 |

C |
– |
5 |

D |
B, C |
2 |

E |
A |
4 |

F |
B, C |
6 |

G |
E, D |
5 |

- Draw a network for this project?
- Make a forward pass and a backward pass to determine ES, LS, EF, and LF?
- What are the critical path?