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Material Type: Project; Class: OPERATNS AND PRODUCTION MGT; Subject: Management; University: Idaho State University; Term: Unknown 1989;
Typology: Study Guides, Projects, Research
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C ( 8 ) G ( 4 ) F ( 4 ) E ( 7 ) D ( 6 ) B ( 10 ) 5 15 5 13 15 21 13 20 21 13 17 25 21 21 25 17 21 15 21 6 14 5 15 14 A ( 5 ) 0 5 0 5 a. A-B-D-G, 25 weeks, 5+10+6+4. b. Activity Normal Time (NT) Normal Cost (NC) Crash Time (CT) Crash Cost (CC) NT-CT Cost/week to expedite A 5 $7,000 3 $13,000 2 $3, B 10 12,000 7 18,000 3 2, C 8 5,000 7 7,000 1 2, D 6 4,000 5 5,000 1 1, E 7 3,000 6 6,000 1 3, F 4 6,000 3 7,000 1 1, G 4 7,000 3 9,000 1 2, First, reduce D (lowest cost activity on the critical path) by one week. This adds an additional critical path with activities C and E in it. Second, crash activity G by one week. Critical paths remain the same. Third, crash activity A by one week at a cost of $3,000, which is the least expensive.
Project Management Summary of activities crashed: Step Activity Cost to crash Weeks reduced 1 D $1,000 1 2 G 2,000 1 3 A 3,000 1 Total cost $6,
C ( 4 ) G ( 5 ) F ( 4 ) E ( 2 ) D ( 5 ) B ( 2 ) 7 9 7 11 11 16 16 18 20 16 20 25 20 20 25 16 20 11 16 7 11 9 11 18 A ( 7 ) 0 7 0 7 a. A-C-D-F-G. b. 25 weeks, 7+4+5+4+5. c. B, 2weeks; E, 2 weeks. Activity Normal Time (NT) Crash Time (CT) Normal Cost (NC) Crash Cost (CC) NT-CT Cost/week to expedite A 7 6 $7,000 $8,000 1 1, B 2 1 5,000 7,000 1 2, C 4 3 9,000 10,200 1 1, D 5 4 3,000 4,500 1 1, E 2 1 2,000 3,000 1 1, F 4 2 4,000 7,000 2 1, G 5 4 5,000 8,000 1 3,