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1 of 2 SCM 3 0 0 - Lab 0 5 - Project Management Critical Paths and Crashing PROJECT MANAGEMENT - Critical Paths and Crashing

1 of 2 SCM 300- Lab 05- Project Management Critical Paths and Crashing PROJECT MANAGEMENT - Critical Paths and Crashing You are a contractor that has been asked to build an apartment complex. The associated AON Network diagram and the Time/Cost table are provided below. (Based on the table, you could crash activity B for one week only at a cost of $250 or two weeks for $500.) The owner wants the apartment complex built in 29 weeks. The owner will charge a penalty cost of $1500 per week if the complex is not completed on time. A-8 C-5 F-4 E-8 H-4 B-5 D-6 G-6 Activity Minimum Time Normal Time 85 B 573355||||| IO Crash Cost per Week 2002501750500150012001000200068463542CRASH FIRST ITEM Crash the project by 1 week by altering the activity that will save us the most money. 6. Which activity will you crash first? Make the necessary change to your network diagram. ACEFH ADEFH- ACEGH ADEGH BDEFH BDEGH 7 What is the resulting critical path (or paths) and also the new project duration? 8. How much money did you save (net savings) by crashing this activity? Net Savings =1 Week Penalty Saved -1 Week Crash Cost CRASH SECOND ITEM Again, crash the project by 1 week by altering the activity that will save us the most money. 19 Which activity will you crash second? Make the necessary change to your network diagram. ACEFH ADEFH ACEGH ADEGH BDEFH BDEGH 10. What is the resulting critical path (or paths) and also the new project duration? 11. How much money did you save (net savings) by crashing this activity? Net Savings =1 Week Penalty Saved -1 Week Crash Cost CRASH THIRD ITEM Crash the project by 1 week by altering the activity that will save us the most money. This will get us to the desired completion date that will eliminate the penalties. 12. Which activity will you crash third? Make the necessary change to your network diagram ACEFH ADEFH ACEGH ADEGH BDEFH BDEGH 13. What is the resulting critical path (or paths) and also the new project duration? 14. How much money did you save (net savings) by crashing this activity? Net Savings =1 Week Penalty Saved -1 Week Crash Cost TOTAL SAVINGS 15. How much did you save, in total by crashing the system down to 29 weeks?

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