a) Briefly describe the term Work Breakdown Structure (WBS) in Project Management and show how it could be integrated with Organisational Breakdown Structure (OBS) and Cost Breakdown Structure (CBS) of a project using an appropriate sketch (4 marks) b) Your Supervisor has requested to develop a Precedence Diagram (PDM) - AON network for a project using the information illustrated in the Table below (Hint: draw the Finish to Start relationships first). ID A B D E Duration Finish-to-Start Predecessor 4 None 6 A 10 A 8 B 20 D 14 C 12 D 15 F G Finish-to-Start Additional Lag Relationship Lag Lag 0 None 0 0 None 0 0 Start-Start C to D 20 8 Finish-Finish D to F 18 15 Start-Finish Eto H 12 0 0 Finish-Finish F to G 15 0 None 0 0 None 0 0 F G H i. Draw the complete PDM network showing all the links with relevant lag factors and estimate ES, EF, LS, LF, and Total Float (TF) (8 marks) Show the Critical Path and the overall project time (2 marks) Question 3 (12 marks) a) Briefly explain the key fundamental theory used when developing PERT analysis. State two types of Engineering Projects that you would recommend CPMIPERT method for evaluation the project (3 marks) b) A Manager of an Engineering Research Laboratory has done a Project Schedule to execute their new project. The list of activities, their predecessors, and the durations in days are given in the following Table. Please note that the probability tables are attached at the end of this Test paper Page 3 of 6 NEF3101 Project Management BLOCK-1B3, 2021 ID Predecessor None None A A B D E F G H AB Duration (Time/Days) Most Likely (m) Pessimistic (b) 10 26 6 13 14 17 12 20 24 34 11 22 3 10 9 12 Optimistic al 6 5 11 10 20 6 2 6 AB D.F E.G 0 Construct an Activity on Arrow (AOA) Network diagram and determine ES, EF, LS, LF and TFS for the Activities. State the expected completion time for the research project and the critical activities (5 marks) Find the completion duration of this project to be scheduled to obtain a probability of 99% and find the probability if the project is scheduled for 65 days (4 marks)