Case_2 - Time(wk Crash Cost per Week 1 Design& Finance-12 7 $3,000 $5,000 5 $400 2 Lay Foundation 1 8 5 2,000 3,500 3 500 3 Order& Rec

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Case #2 – Project Management Below is a list of tasks for constructing a house. Also included is pertinent information about those tasks (all time units are in weeks). Draw an AON precedence diagram for the project. Calculate the ES, EF, LS, LF and slack for each activity. What is the normal duration of the project and the critical path? Now suppose the home builder needed the house ASAP and wanted to know how much extra cost (crash cost) would be incurred to complete the house and how soon the house can be completed. Include a crash schedule. Activity Description Immed. Pred. Normal Time (wk) Crash Time (wk) Normal Cost Crash Cost Allowable Crash
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Unformatted text preview: Time (wk) Crash Cost per Week 1 Design & Finance-12 7 $3,000 $5,000 5 $400 2 Lay Foundation 1 8 5 2,000 3,500 3 500 3 Order & Rec. Materials 1 4 3 4,000 7,000 1 3,000 4 Build House 2, 3 12 9 50,000 71,000 3 7,000 5 Select Paint 2, 3 4 1 500 1,100 3 200 6 Select Carpet 5 4 1 500 1,100 3 200 7 Finish Work 4, 6 4 3 15,000 21,000 1 6,000 $75,000 $110,700 Activity ES EF LS LF Slack 1 12 12 2 12 20 12 20 3 12 16 16 20 4 4 20 32 20 32 5 16 20 25 28 8 6 20 24 28 32 8 7 32 36 32 36 Activity(s) Crashed Amount Crashed (wk) Current CP Length (wk) Cost 1 5 31 2,000 2 3 28 1,500 7 1 27 6,000 4 3 24 21,000 Total Crash Cost 30,500...
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This homework help was uploaded on 04/16/2008 for the course MGMT 373 taught by Professor Verbleski during the Spring '08 term at University of Arizona- Tucson.

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