January 2018
Intermediate to advanced
480 pages
236h 9m
English
The Rocky Mountain Arsenal, formerly a chemical warfare manufacturing site, is said to be one of the most polluted locations in the United States. Cleanup of chemical waste storage basins will involve two operations.
Operation 1: Drain and dredge basin.
Operation 2: Incinerate materials.
Management estimates that each operation will require the following amounts of time (in days):
Storage Basin |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
|
Dredge |
3 |
4 |
3 |
6 |
1 |
3 |
2 |
1 |
8 |
4 |
Incinerate |
1 |
4 |
2 |
1 |
2 |
6 |
4 |
1 |
2 |
8 |
Management’s objective is to minimize the makespan of the cleanup operations. All storage basins are available for processing right now. First, find a schedule that minimizes the makespan. Then calculate the average flow time of a storage basin through ...