m5l4 - Fall 2010 Module 2 Production & Quality Lecture 3:...

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David Robinson © D. Robinson, 2011 Fall 2010 Module 2 Production & Quality Lecture 3: Production III: PERT Charts
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2 Manufacturing Production  Decisions Manufacturing Process Selection Project Management Site Selection Supply Chain
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3 Production Planning PERT charts Site Selection Supply chain management Enterprise Resource Planning (ERP)
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4 PERT Chart Stands for Program Evaluation and Review Technique (sometimes called “ Critical Path Method” ) 1. Well-defined sub-tasks 2. Tasks can be started and stopped separately 3. Tasks are ordered (in sequence) Follow how we do it in lecture, not text
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5 Example : Build a House A. Foundation B. Rough framing C. Electrical rough-in D. Plumbing rough-in E. Drywall F. Roof G. Finish electrical H. Finish plumbing
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6 Building a House:   Constraints A. Foundation Must be first B. Rough framing A must be finished C. Electrical rough-in B must be finished D. Plumbing rough-in B must be finished E. Drywall C & D must both be finished F. Roof Must be on before drywall G. Finish electrical After E H. Finish plumbing After E
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7 Building a House:   Task Times A. Foundation Must be first 2 weeks B. Rough framing A must be finished 6 wks C. Electrical rough-in B must be finished   1 D. Plumbing rough-in B must be finished 3 E. Drywall C & D must both be finished 2 F. Roof Must be on before drywall 2 G. Finish electrical After E 2 H. Finish plumbing After E 1 week
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Building a House PERT Chart 1 8 A B Foundation Frame 2 weeks 6 weeks
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Building a House PERT Chart 2 9 A B Frame 2 6 C Rough Elec 1 D Rough Plumb 3
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“Slack” Means when we have  some flexibility on start date 10 A B Frame 2 6 C Rough Elec 1 D Rough Plumb 3 E Drywall 2
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Roof must be done before drywall 11 A B Frame 2 6 C Rough Elec 1 D Roof 3 E F Drywall 2 2 Rough Plumb
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PERT Chart: Next step 12 A B Frame 2 6 C Rough Elec 1 D Roof 3 E F 2 2 Rough Plumb G H Finish Elec Finish Plumbing 1 2
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This note was uploaded on 04/23/2011 for the course UGBA 10 taught by Professor Xuanmingsu during the Spring '08 term at Berkeley.

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m5l4 - Fall 2010 Module 2 Production & Quality Lecture 3:...

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