Extra Exercises on Network Diagrams, 7thEd20111006

RMC Project Management, Inc.Extra Exercises on Network Diagrams Copyright © 2011 RMC Project Management, Inc. All rights reserved. 10953 Bren Road East • Minnetonka, Minnesota 55343 [email protected] • www.rmcproject.com • (952) 846-4484 The copyright owner hereby grants permission to make copies of this handout for personal, noncommercial use only. Do a forward and backward pass using the original estimates. Inc. See the details on the next page. A. U. B. Activity Predecessor Estimate 6 7 2 in weeks C A T Start 0 C B P A U T R N End Start Start Start C. P. C. P. do a forward/backward pass. 10953 Bren Road East • Minnetonka. End Start. End 16 WEEKS Paths Start. T. A. B. When you have completed answering the questions. 1 . T.rmcproject. A.com • www.com • (952) 846-4484 The copyright owner hereby grants permission to make copies of this handout for personal.Exercise 1 Using the table below. Copyright © 2011 RMC Project Management. End Start. B. B. C. noncommercial use only. All rights reserved. What is the impact to the project if activity B takes three weeks longer than planned? Critical path shifts to Start. and what are they? There are seven paths. A. End 15 13 12 16 14 13 13 3. N 6 4 3 7 4 2 3 6 0 4 Start B 3 R End 3 P 4 U 6 N 1. End Start. A. 2. R. R. P. R. Minnesota 55343 info@rmcproject. R. A. How many paths are in the network. End. End Start. A. T. What is the critical path and its duration? Start. What is the float on activity U? 3 weeks 4. N. End Start. C. It will delay the project end by one week. R. End Start. A. P P A A U T. R. draw the network diagram and answer the questions. Answer to Exercise 1 Using the table below. A. Minnesota 55343 info@rmcproject. 10953 Bren Road East • Minnetonka. End 16 WEEKS 3. Inc. All rights reserved. B. What is the impact to the project if activity B takes three weeks longer than planned? Critical path shifts to Start. It will delay the project end by one week. What is the critical path and its duration? Start. Copyright © 2011 RMC Project Management. N Estimate in weeks 0 6 4 3 7 4 2 3 6 0 0 6 C 6 6 7 A 13 13 2 T 15 0 6 6 13 14 16 0 Start 2 4 B 4 13 3 R 16 End 16 6 13 0 3 P 3 3 4 U 7 7 6 N 13 3 6 6 10 10 16 1. do a forward/backward pass. C.rmcproject. 2 . and what are they? There are seven paths. Do a forward and backward pass using the original estimates. When you have completed answering the questions. End. 2.com • (952) 846-4484 The copyright owner hereby grants permission to make copies of this handout for personal. Activity Start C B P A U T R N End Predecessor Start Start Start C. What is the float on activity U? 3 weeks 4. See the details on the next page. R. draw the network diagram and answer the questions. B. P P A A U T. A. R. R. How many paths are in the network. noncommercial use only.com • www. rmcproject. 3 .rmcproject. End Start. 10953 Bren Road East • Minnetonka. A. End ID = Activity name D = Duration F = Float ES = Early start EF = Early finish LS = Late start LF = Late finish 15 16 13 14 12 13 13 Copyright © 2011 RMC Project Management. T. See the article. B. P. U. P. C. A. Minnesota 55343 info@rmcproject. A. N. C. End Start. R. Inc. End Start. End Start.Answer to Exercise 1 Note: Answers are based on using the zero method.com/free/tips. B. T. T. 6 C 0 0 0 4 Start 0 2 B 2 3 P 0 3 3 3 6 3 6 4 6 4 U 3 6 6 6 6 7 A 0 13 13 13 14 3 R 13 13 6 N 7 10 7 10 3 13 16 0 2 T 1 15 16 End 16 16 Legend D ID ES EF F LS LF Paths Start. End Start.” at www. End Start. “Two Methods to Calculate the Forward and Backward Passes in a Network Diagram. R. R.com • www.com • (952) 846-4484 The copyright owner hereby grants permission to make copies of this handout for personal. A. A.htm for an explanation of the two methods. P. All rights reserved. noncommercial use only. A. Do a forward and backward pass using the original estimates. D. E. and what are they? There are three paths. E. F 15 A. F and it will take 17 weeks 3. B.Exercise 2 Using the table below.rmcproject. See the details on the next page. C. it is on the critical path. Minnesota 55343 info@rmcproject. B. What is the float on activity B? Zero. B 2 E D 5 A 2 F 3 C 3 B Paths A. What is the critical path and its duration? A. C 3 F D. 7 1 Activity Predecessor Estimate in weeks A 5 E A 7 C A 3 D E 1 B E. How many paths are in the network.com • www. What is the impact to the project if activity C takes three weeks longer than planned? There will be no impact to the critical path or its duration. do a forward/backward pass. Inc. All rights reserved. F 13 1. 4 . noncommercial use only. When you have completed answering the questions. 2. E. draw the network diagram and answer the questions. B. Copyright © 2011 RMC Project Management. 4.com • (952) 846-4484 The copyright owner hereby grants permission to make copies of this handout for personal. F 17 A. 10953 Bren Road East • Minnetonka. 5 7 E 12 12 1 D 13 Activity Predecessor Estimate in weeks A 5 E A 7 C A 3 D E 1 B E. Inc. E. All rights reserved. 5 .com • (952) 846-4484 The copyright owner hereby grants permission to make copies of this handout for personal. 9 4 12 12 0 15 2.com • www.rmcproject. What is the impact to the project if activity C takes three weeks longer than planned? There will be no impact to the critical path or its duration. do a forward/backward pass. 4. C 3 F D. See the details on the next page. How many paths are in the network. 10953 Bren Road East • Minnetonka. B 2 5 0 12 14 2 15 0 5 A 5 15 2 F 17 0 0 5 15 0 17 5 3 C 8 12 3 B 15 1. What is the float on activity B? Zero. Minnesota 55343 [email protected] to Exercise 2 Using the table below. What is the critical path and its duration? A. noncommercial use only. Do a forward and backward pass using the original estimates. When you have completed answering the questions. and what are they? There are three paths. it is on the critical path. draw the network diagram and answer the questions. Copyright © 2011 RMC Project Management. F and it will take 17 weeks 3. B. F A. F A.rmcproject. All rights reserved.com • (952) 846-4484 The copyright owner hereby grants permission to make copies of this handout for personal.Answer to Exercise 2 5 7 E 12 12 1 D 13 5 0 12 14 2 15 0 5 A 5 15 2 F 17 0 0 5 15 0 17 5 3 C 8 12 3 B 15 9 4 12 12 0 15 Legend ES D ID EF LS F LF Paths A. F 15 17 13 Copyright © 2011 RMC Project Management. D. B. E. E.com • www. C. noncommercial use only. 10953 Bren Road East • Minnetonka. Inc. 6 . Minnesota 55343 info@rmcproject. B.