Operations Research 2 CAT solutions.docx - OPERATIONS RESEARCH II CAT SOLUTIONS QUESTION 1(a Draw the network diagram and determine the critical path

Operations Research 2 CAT solutions.docx - OPERATIONS...

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OPERATIONS RESEARCH II CAT SOLUTIONS QUESTION 1 (a) Draw the network diagram and determine the critical path and the project duration [12 Marks] (b) From the network diagram above, produce a table showing each activity schedule: EST, EFT, LST and LFT and from this derive the critical path. [6 Marks] See diagram below for the solution. (c) Draw the corresponding Gantt chart of the project given above and show the total staff requirements for the project. [5 marks]
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GANTT CHART Total staff weeks = 55 (d) From the above Gantt chart of the project show the total cost requirements for the project. [5 Marks]
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Total project cost = Sh. 150,000 QUESTION 2
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(a) Explain briefly each of the following terms as used in Network analysis: [8 Marks] (i) Critical Path The series of activities that have a zero slack. It is the longest time path through the network. It gives the shortest time the project can take to complete. A delay for any activity that is on the critical path will delay the completion of the entire project. (ii) Dummy activity A dummy activity is a fictitious activity that consumes no time and is inserted into a network to make the network display the proper predecessor relationships between activities.
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