Question $5(20$ Marks$)$

Assume the following information is provided for your project for $5$ activities.

Normal Crashed

Activity Predecessor Duration $($Weeks$)$ Cost Duration $($Weeks$)$ Cost

A None $2$ R$20001$ R$1000$

B A $3$ R$50001$ R$500$

C B $4$ R$80002$ R$1000$

D C $3$ R$100001$ R$2000$

E D $4$ R$200002$ R$2000$

Required:

a$)$ Calculate the crash cost per period

$(5$

Marks$)$

b$)$ Which activity will you suggest be crashed? Justify your answer.

$(2$

Marks$)$

c$)$ Crashing is also known as acceleration where the duration of an activity is reduced to meet project schedule requirements.

$(13$

Marks$)$

Analyse some of the methods you have studied of shortening a project. Apply these methods to your project in order to shorten the duration.