Question: QUESTION 2. Use the Normal time given in Table 2 to reduce the project by 8 days. What is the total added cost? Show the

QUESTION 2.

Use the Normal time given in Table 2 to reduce the project by 8 days. What is the total added cost? Show the activity/activities that need to crash for each day. For example, what activity to crash for day 1, what activity to crash for day 2, and so forth.

TABLE 2

Time (days)

Activity cost (S)

Activity

Description

Predecessor

Normal

Crash

Normal

Crash

A

Excavation, pour footers

none

6

4

$10

20

B

Lay foundation

A

5

3

$22

28

C

Frame and roof

B

5

4

$15

22

E

Sewer (floor) drains

B

3

2

$21

25

F

Install insulation

C

5

4

$25

30

G

Pour basement floor

E

5

3

$12

18

I

Install windows

F

4

3

$20

22

J

Rough electrical wiring

F

3

2

$20

20

K

Install furnace

C,G

8

5

$11

23

L

Exterior brickwork

I

8

6

$16

28

M

Install plasterboard

J,K

10

8

$18

26

N

Roof shingles

L

4

3

$23

29

O

Attach gutter

N

5

2

$25

31

P

Grading

O

7

3

$12

16

Q

Lay subflooring

M

5

4

$17

22

R

Lay driveway

P

8

6

$20

30

T

Kitchen, sink, appliances

Q

8

4

$18

28

V

Painting

T

8

6

$15

24

W

Finish wood floor

V

8

6

$25

34

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