Question 1
Not yet graded / 20 pts
(TCO E) Using the network below and the additional information provided, find
(a) the crash cost per day per activity;
(b)which activities should be crashed to meet a project deadline of 12 days
at minimum cost; and
(c) what the extra cost is to crash the project.
Activity Normal Crash Normal Crash
Time Time Cost Cost
A 5 3 $300 $600
B 3 2 $250 $450
C 6 4 $400 $500
D 5 3 $150 $400
Your Answer:
(a)
Crash cost of A = (600-300)/(5-3) =
$150; Crash Cost of B = (450-250)/(3-
2) = $200; Crash Cost of C = (500-
400)/(6-4) = $50; Crash Cost of D =
(400-150)/(5-3) = $125; (b)
As per the above network the activities on the critical path are B, C, D with a
duration
of 14 days; less 2 days that are needed for project deadline reduction of 12
days-- therefore,an activity should be crashed. The lowest crash cost is for
Activity C---
so, Activity C should be crashed to meet project deadline of 12 days
(c)
Cost to crash the
project: Day 1 =
$50
+ Day 2 = $50
Total Extra cost $100
a) Crash cost per day
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, Activity Normal Time Crash Time Normal CostCrash Cost Crash Cost/Day A 5 3
$300 $600 $150 B 3 2 $250 $450 $200 C 6 4 $400 $500 $50 D 5 3 $150 $400
$125
$1,100
Critical path: B - C - D 14 days
(b)To reduce the schedule 2 days, crash Task C for 2 days.
(c) Cost to crash the
project C: $50
C: $50
Total extra cost: $100
(TCO E) The following information is extracted from a project to develop a
Question 2
state-of-the- art alternative power energy storage device.
Not yet graded / 20 pts
Activity Duration Predecessors Resources
A 4 days -- 1 research engineer
B 3 days A 1 marketing specialist
C 5 days A 1 design engineer
D 3 days A 1 design engineer
E 3 days B 1 prototype builder
F 2 days D 1 test engineer
The owner has stipulated that in order to provide continuity throughout the
project, the same individual must handle all activities under his or her
discipline. Activities on this project cannot be split.
a. Identify any resource conflicts in the above project. State the
activities involved, the timeframe of the conflict(s), which resources are
involved, and the quantity required.
b. Given the owner's stipulation regarding project continuity and the
need to minimize project duration, how can this conflict be resolved?
What will be the effect on the project duration?
Your Answer:
a.
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https://www.coursehero.com/file/35590288/Proj592-Quizdocx/
Not yet graded / 20 pts
(TCO E) Using the network below and the additional information provided, find
(a) the crash cost per day per activity;
(b)which activities should be crashed to meet a project deadline of 12 days
at minimum cost; and
(c) what the extra cost is to crash the project.
Activity Normal Crash Normal Crash
Time Time Cost Cost
A 5 3 $300 $600
B 3 2 $250 $450
C 6 4 $400 $500
D 5 3 $150 $400
Your Answer:
(a)
Crash cost of A = (600-300)/(5-3) =
$150; Crash Cost of B = (450-250)/(3-
2) = $200; Crash Cost of C = (500-
400)/(6-4) = $50; Crash Cost of D =
(400-150)/(5-3) = $125; (b)
As per the above network the activities on the critical path are B, C, D with a
duration
of 14 days; less 2 days that are needed for project deadline reduction of 12
days-- therefore,an activity should be crashed. The lowest crash cost is for
Activity C---
so, Activity C should be crashed to meet project deadline of 12 days
(c)
Cost to crash the
project: Day 1 =
$50
+ Day 2 = $50
Total Extra cost $100
a) Crash cost per day
This study source was downloaded by 100000861168648 from CourseHero.com on 04-18-2023 04:50:13 GMT -05:00
https://www.coursehero.com/file/35590288/Proj592-Quizdocx/
, Activity Normal Time Crash Time Normal CostCrash Cost Crash Cost/Day A 5 3
$300 $600 $150 B 3 2 $250 $450 $200 C 6 4 $400 $500 $50 D 5 3 $150 $400
$125
$1,100
Critical path: B - C - D 14 days
(b)To reduce the schedule 2 days, crash Task C for 2 days.
(c) Cost to crash the
project C: $50
C: $50
Total extra cost: $100
(TCO E) The following information is extracted from a project to develop a
Question 2
state-of-the- art alternative power energy storage device.
Not yet graded / 20 pts
Activity Duration Predecessors Resources
A 4 days -- 1 research engineer
B 3 days A 1 marketing specialist
C 5 days A 1 design engineer
D 3 days A 1 design engineer
E 3 days B 1 prototype builder
F 2 days D 1 test engineer
The owner has stipulated that in order to provide continuity throughout the
project, the same individual must handle all activities under his or her
discipline. Activities on this project cannot be split.
a. Identify any resource conflicts in the above project. State the
activities involved, the timeframe of the conflict(s), which resources are
involved, and the quantity required.
b. Given the owner's stipulation regarding project continuity and the
need to minimize project duration, how can this conflict be resolved?
What will be the effect on the project duration?
Your Answer:
a.
This study source was downloaded by 100000861168648 from CourseHero.com on 04-18-2023 04:50:13 GMT -05:00
https://www.coursehero.com/file/35590288/Proj592-Quizdocx/
