Task:
Expansion of a football stadium to add 21000 seats including dozens of luxury boxes 270 days to complete with $10,000/day penalty for running late.
Questions: Develop a network drawing for Hill Construction and determine critical path. How long is the project expected to take
What is the probability of finishing in 270 days
If it were necessary to crash to 250 or 250 days how would you do so and at what cost (assume optimistic time estimates can be used as crash times)
Table with all needed figures are below.
|
|
|
Time Estimates (Days) |
|
|
|
|
|
|
|
|
Activity |
Descriptions |
Prede |
Oppti |
Most |
Pessi |
Crash |
|
|
cessors |
mistic |
Likely |
mistic |
Cost/Days |
A |
Bonding, insurance, tax struc |
|
20 |
30 |
40 |
1500 |
B |
Foundation, Concrete Footings |
A |
20 |
65 |
80 |
3500 |
C |
Upgrading skyboxes, seats |
A |
50 |
60 |
100 |
4000 |
D |
Walkways, stairwells,eleavator |
C |
30 |
50 |
100 |
1900 |
E |
Interior wiring, lathes |
B |
25 |
30 |
35 |
9500 |
F |
Inspection approvals |
E |
1 |
1 |
1 |
0 |
G |
Plumbing |
D,E |
25 |
30 |
35 |
2500 |
H |
Painting |
G |
10 |
20 |
30 |
2000 |
I |
Hardware/ AC/Metal works |
H |
20 |
25 |
60 |
2000 |
J |
Tile, carpeting,windows |
H |
8 |
10 |
12 |
6000 |
K |
Inspection |
J |
1 |
1 |
1 |
0 |
L |
Final detail work/cleanup |
L,K |
20 |
25 |
60 |
4500 |