Evaluation 5 Crashing Analysis Answer the following questions using the tabulated project data. A Project Preceding Normal Normal Crash Crash Variance of Phase Phase Time Cost Time Cost Duration A 40 $9,000 30 $12,000 10 B 53 15,000 50 15,300 9 c 60 30 6,000 600 D 35 20,000 30 22,000 25 E CD 28 12,000 20 15,000 40 F BE 30 6,000 27 7,000 30 Crashing of this activity results in significant savings in direct labor cost. 7,500 Note: The Variance of Duration Column won't be used in the crashing analysis Answer the following questions assuming you'll crash the project till its duration becomes 115 days: 1. What is the normal completion time of the project? 2. What is the crashing cost per unit time of activity C? 3. What is the first crashed activity/activities? 4. What is the fourth crashed activity/activities? 5. What is the total cost of the project after crashing the project till its duration becomes 115 days? Evaluation 6 Limited Resource Levelling For the following project, there's a limitation on the number of workers required daily to perform the following activities which is five workers each day, you are required to level the usage of the resources and answer the questions below: Activity Predecessors Durations Number of Required (Days) Workers per Day 2 4 2 C A,B,D A,B,D F E A B D E F 2 3 6 6 6 2 4 2 2 3 6 H 1. What is the completion time of the project before levelling? 2. What is the slack of activity B before levelling? 3. What is the slack of activity A after levelling? 4. What is the slack of activity B after levelling? 5. What is the completion time of the project after levelling? Evaluation 7 Cost Control Analysis 11. At week 24 of a project to shoot a television com- mercial, the project manager is worried about her budget since costs have risen to $7,500. Find if there is a cost overage, and if so, how much it is. Is the schedule ahead or behind? Overall, does the project appear to be in control? % Prede- Duration Budget Com- cessors (wks) ($) plete 6 900 100 6 1200 100 a 6 1200 100 a 12 1800 100 Activity a: Write script b: Screen actors c: Select actors d: Contract studio e: Obtain props f: Schedule date g: Shoot commercial bc b,c,d 14 10 1400 1500 100 40 de 16 800 0