QUESTION $3(20$ Marks$)$

Spill Tech specialises in emergency spill response, industrial cleaning, hazardous waste management, contaminated land

rehabilitation, stockpile remediation, liquid fire and marine related services. It has been requested by Transnet to clean tank

storages at the Port of Richards Bay. With standard equipment, the firm typically cleans $70$ tank storages per month. They

utilized $12$ litres of solvent, and two employees worked $20$ days per month, $8$ hours a day. The company decided to switch

to a larger cleaning machine. Last April, they cleaned $60$ tank storages in only $15$ days. They utilized $15$ litres of solvent,

and the two employees worked $8$ hours a day. Using this information determine the raw material and labour productivity with

the standard equipment and the larger equipment. Also comment on the change in productivity when larger cleaning

equipment is introduced. Relevant illustrations should be provided.

QUESTION $4(20$ Marks$)$

Care Construction Pvt Ltd has been awarded a contract to build a new office complex for a multinational corporation in a

bustling urban area. The project is slated to begin in three months and the activities are provided for below.

Activity Preceding

Optimistic

Time

Probable

Time

Pessimistic

Time

A $--71019$

B A $228$

C A $81216$

D A $3510$

E B $468$

F B $6810$

G C$,$ F $234$

H D $228$

I H $6816$

J G$,$ I $4614$

K E$,$ J $258$

You have been asked by the project manager to assist in determining the following.

a$)$ The activities that are critical for the project and should not be delayed.

b$)$ Determine the expected completion time of each of the project activities.

c$)$ Determine the estimated time of completion of the project.

QUESTION $5(20$ Marks$)$

Nestl$$ South Africa is a subsidiary of Nestl$,$ a leading multinational food and beverage company headquartered in

Switzerland. It is a prominent player in the South African food and beverage industry, offering a diverse range of productsQUESTION $3$

$(20$ Marks$)$

Spill Tech specialises in emergency spill response, industrial cleaning, hazardous waste management, contaminated land rehabilitation, stockpile remediation, liquid fre and marine related services. It has been requested by Transnet to clean tank storages at the Port of Richards Bay. With standard equipment, the fimm typically cleans $70$ tank storages per month. They utilized $12$ IItes of solvent, and two employees worked $20$ days per month, $8$ hours a day. The company decided to switch to a larger deaning machine. Last April, they cleaned $60$ tank storages in only $15$ days. They uti ized $15$ IIres of solvent, and the two employees worked $8$ hours a day. Using this information determine the raw material and labour productivity with the standard equipment and the larger equipment. Also comment on the change in productivity when larger cleaning equipment is introduced. Relevant ilustrations should be provided.

QUESTION $4$

$(20$ Marks$)$

Care Construction Pvt Ltd has been awarded a contract to build a new office complex for a multinational corporation in a bustling urban area. The project is slated to begin in three months and the activities are provided for below.

$\backslash$table$[[$Activity$,$Preceding,$\backslash$table$[[$Optimistic$],[$Time$]],\backslash$table$[[$Probable$],[$Time$]],\backslash$table$[[$Pessimistic$],[$Time$]]],[$A$,-,7,10,19],[$B$,$A$,2,2,8],[$C$,$A$,8,12,16],[$D$,$A$,3,5,10],[$E$,$B$,4,6,8],[$F$,$B$,6,8,10],[$G$,$C$,$ F$,2,3,4],[$H$,$D$,2,2,8],[$I$,$H$,6,8,16],[$J$,$G$,$I,$4,6,8],[$K$,$E$,$ J$,2,5,]]$

You have been asked by the project manager to assist in determining the following.

a$)$ The activities that are critical for the project and should not be delayed.

b$)$ Determine the expected completion time of each of the project activities.

c$)$ Determine the estimated time of completion of the project.

QUESTION $5$

$(20$ Marks$)$

Nest$$ South Africa is a subsidiary of Nest$,$ a leading multinatonal food and beverage company headquartered in Swizerland. It is a prominent player in the South African food and beverage industry, offering a diverse range of products