PMP_Patel_NumericProblemsChapter9

# PMP_Patel_NumericProblemsChapter9 - Normal Network diagram...

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Unformatted text preview: Normal Network diagram for problem 9 - page 425 4 C1 10 0 A4 D5 0 0 Start 0 0 3 E4 0 B3 2 5 3 F1 6 7 4 3 5 9 7 7 4 0 4 4 9 9 4 4 9 9 11 11 5 5 Suppose A and D are both reduce by one day at cost of 15\$/day of reduction 3 C1 8 0 A3 0 0 Start 0 0 3 3 E4 3 0 B3 0 3 3 0 3 3 D4 3 4 9 4 I2 9 7 7 7 7 7 7 4 H5 5 3 F1 4 4 5 Suppose A and D are both reduce by two day each at cost of 15\$/day of reduction 2 C1 8 0 A2 2 0 Start 0 0 4 3 E4 3 0 B3 0 3 5 3 F1 4 5 4 3 4 H5 7 0 4 2 D3 7 7 7 5 7 2 9 9 3 I2 3 Suppose D is reduce by three day at cost of 15\$/day of reduction 4 C1 8 0 A4 5 0 Start 0 0 6 3 E4 3 0 B3 0 3 5 3 F1 4 5 4 3 4 H5 7 0 6 4 D1 7 7 7 5 7 4 9 9 5 I2 5 Suppose A and D are reduced to 1 day each at cost of \$ 15/ reduction day 1 C1 8 0 A1 5 0 Start 0 0 6 3 E4 3 0 B3 0 3 5 3 F1 4 5 4 3 4 H5 7 0 6 1 D1 7 7 7 2 7 1 9 9 2 I2 2 Activities E ,G and H are reduced by one day at cost of 25 \$/day 4 C1 9 0 A4 0 4 4 D5 0 Start 0 0 0 4 9 9 9 9 4 10 10 5 5 0 B3 3 3 6 3 E3 6 6 9 4 7 3 F1 4 6 7 From above all network diagrams and the related solution outcome, the least cost approach to crash the project 2 da at cost of \$ 30, which results into project duration of 11 days. The sh paths i)Start -A-D-G-J-End ii)Start - B-E-G-J-End . The cost of 7 I2 13 13 End 12 13 G3 12 12 J1 9 12 H5 12 13 13 13 13 This is normal time cost diagram of the project.Clearly, we can see that Critical Path of the project is Start-AD-G-J-End. Also, the project shall be completed in 13 days. 6 11 11 End 10 G3 10 10 J1 10 9 10 11 11 11 11 When the activity A and D are reduced by 1 day each, the project has two critical paths i)Start -A-D-G-J-End ii)Start - B-E-G-J-End The cost of crashing the project is \$30 for both the activities 11 5 11 11 End 10 G3 10 10 J1 10 9 10 11 11 11 11 11 When the activity A and D are reduced by 2 day each, the project has same critical path Start -A-D-G-J-End The cost of crashing the project is \$60 for both the activities.The Project duration is 11 days. 7 11 11 End 10 G3 10 10 J1 10 9 10 11 11 11 11 When the activity D id reduced by 3 day , the project has same critical path -Start A-D-G-J-End The cost of crashing the project is \$45 for crashing D.The Project duration is 11 days. 11 4 11 11 End 10 G3 10 10 J1 10 9 10 11 11 When the activity A and D are reducedto 1 day , the project has same critical path -Start -A-D-G-J-End The cost of crashing the project is (\$45 + \$60) = \$ 105 for crashing activities A and D.The Project duration is 11 days. 11 11 11 7 I2 12 12 End 11 G2 11 12 12 12 11 J1 11 12 12 When the activities E, G, H are reducedto 1 day , the project has same critical path -Start -A-D-G-J-End The cost of crashing the project is \$75 for crashing activities A and D.The Project duration is 12 days. 8 H4 11 -Start -A-D-G-J-End The cost of crashing the project is \$75 for crashing activities A and D.The Project duration is 12 days. proach to crash the project 2 days is : crashing activities A and D by one day each The shortest Crash duration is 11 days , with two critical The cost of Crashing in \$ 30. normal time cost f the project.Clearly, e that Critical Path of t is Start-Ad. Also, the project ompleted in 13 days. , G, H are reducedto s same critical path -D-G-J-End the project is \$75 for A and D.The Project 2 days. Activity A D E G H Crash Time(days) 1 1 3 2 4 Crash Cost(\$) 1*15=15 1*15=15 1*25=25 1*25=25 1*25=25 Normal Time(days) 4 5 4 3 5 Normal Cost(\$) 0 0 0 0 0 Normal Cost(\$) 0 0 0 0 0 ...
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## This note was uploaded on 11/08/2010 for the course MBA PMP 575 taught by Professor Drack during the Spring '10 term at RMU.

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