Question

You are the project manager for preparing a yacht for the Bond Blue Water Classic yacht race. Based on your experience and the data to hand you have prepared the following WBS with its associated normal and crash costing. Note: Indirect costs are not to be considered in this problem. The project is proposed to commence on 1 August 2018. You can ignore the impact of any public holidays during the project. You are required to: a) Create an AON network diagram showing ES, EF, LS, LF and slack. (5 marks) b) What is the critical path? (1 mark) c) What is the normal cost? (1 mark) d) What is the normal time duration of the project? (1 mark) e) It is essential that the project be completed in 43 weeks. If necessary, crash the timings to ensure that the yacht competes in the race. What is the extra cost of crashing? (Show your workings) (2 marks)

Crash Norm Cost Normal Time CrashCost/wlk Task Activit (Wks) Predecessor (S000s) Time(Wks) ($000s) 70 200 35 1200 40 100 200 100 40 600 310 40 60 200 10 30 10 30 40 100 50 A Design B Build Hull C Coat hull D Install Ballast Tanks E Build Deck F Order Mast G Order Sails H Order Access 10 50 100 100 40 40 250 10 13 16 IInstall Access nstall mast& sail K Test L Sea Trial E,F,G,H H,G,F,E C,l,J K,S 1 M Select Crew N Secure Housing O Select Crew equip M,N P Order crew equi Q Routine maintenance 30 240 310 12 M,N H,E,C,F, P,Q 16 R Crew train S Initial sail train

Answer 1