INFS3059_Lect09_S2_2010

INFS3059_Lect09_S2_2010 - INFS3059 Project Management and...

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1 Lecturer: Dr Walter Fernández walter.fernandez@anu.edu.au PAP Moran Room 2049 INFS3059 Project Management and Information Systems 9 http://wattlecourses.anu.edu.au/course/view.php?id=6790 2 c Administration Exam Next week seminar c BioSolar Program: progress report c Resource Planning CPM project crashing Resource allocation Resource loading Agenda Exam Question 31 c 31. ____ is a network diagramming technique used to predict total project duration. a. A Gantt chart b. Critical path analysis c. Critical chain scheduling d. PERT analysis c Week 10 Seminar: 10AM-12Noon 3 5 BioSolar Program: progress report 6 Progress report c Groups report Progress to date Issues and opportunities 7 Questions?
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2 8 Resource Planning 9 Critical Path Method - Crashing a Project -1 c CPM includes a way of relating the project schedule to the level of physical resources allocated to the project c This allows the project manager to trade time for cost, or vice versa c In CPM, two activity times and two costs are specified, if appropriate for each activity 10 Critical Path Method - Crashing a Project - 2 c The first time/cost combination is called normal, and the second set is referred to as crash c Normal times are “normal” in the same sense as the ‘m’ time estimate of the three times used in PERT c Crash times result from an attempt to expedite the activity by the application of additional resources 11 Critical Path Method - Crashing a Project - 3 c Careful planning is critical when attempting to expedite (crash) a project c Expediting tends to create problems; and the solution to one problem often creates several more problems that require solutions 12 Crashing – Sample Network 1 2 3 4 5 6 7 3 6 10 11 8 5 6 0 Critical Path = 3 + 6 + 8 + 6 = 23 Time Units (i.e., days) 13 Crashing – Sample Network 1 2 3 4 5 6 7 $50 $80 $100 $70 “Normal” Project Total Cost = $50 + $80 + $100 + $70 + $60 + $50 + $40 = $450 Critical Path = 23 Days 3 6 8 6 $60 $50 $40 10 11 5 Calculate the “Normal” Project Total Cost
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3 14 Crashing – An Example Activity Normal Time Normal Cost Crash Time Crash Cost Slope Max Crsh Tm 1-2 3 $50 2 $70 20 1 2-3 6 $80 4 $160 40 2 2-4 10 $60 9 $90 30 1 2-5 11 $50 7 $150 25 4 3-6 8 $100 6 $160 30 2 5-7 5 $40 4 $70 30 1 6-7 6 $70 6 $70 0 0 15 Crashing – Sample Network 1 2 3 4 5 6 7 $70 $80 $160 $70 “Crashed” Project Total Cost = $70 + $80 + $160 + $70 + $60 + $50 + $40
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INFS3059_Lect09_S2_2010 - INFS3059 Project Management and...

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