Given the information bleow
Activity
|
Description
|
Immediate Predecessors
|
Time (weeks)
|
1
|
Build internal components
|
-
|
2
|
2
|
Modify roof and floor
|
-
|
3
|
3
|
Construct collection stack
|
1
|
2
|
4
|
Pour concrete and install frame
|
2, 3
|
5
|
5
|
Build high-temperature burner
|
3
|
4
|
6
|
Install pollution control system
|
3
|
3
|
7
|
Install air pollution device
|
4,5
|
5
|
8
|
Inspect and test
|
6,7
|
2
|
Please fill in all the following blanks:
(1) Identify the Critical Path
(2) The total project completion time is weeks.
(3) If the required completion time is 15 weeks, calculate EF, LF, and total slack time for each activity. (note: ES and LS are not required in the table)
(4) Provide an example of work breakdown structure and indicate what purpose WBS serves.