Extra Exercises on Network Diagrams 9E

1 RMC Project Management, Inc. Extra Exercises on Network DiagramsCopyright 2018 RMC Publications, All rights Bren Road East Minnetonka, Minnesota (952) 846-4484 The copyright owner hereby grants permission to make copies of this handout for personal, noncommercial use 2018 RMC Publications, All rights Bren Road East Minnetonka, Minnesota (952) 846-4484 The copyright owner hereby grants permission to make copies of this handout for personal, noncommercial use 1 Using the table below, draw the Network diagram and answer the questions. When you have completed answering the ques-tions, do a forward/backward pass . 1. How many paths are in the Network , and what are they?

2 2. What is the critical path and its duration? 3. What is the float on activity U? 4. What is the impact to the project if activity B takes three weeks longer than planned?Do a forward and backward pass using the original estimates. ActivityPredecessorEstimate in weeksStart-0 CStart6 BStart4 PStart3AC, B, P7UP4TA2RA3NU6 EndT, R, N0 Copyright 2018 RMC Publications, All rights Bren Road East Minnetonka, Minnesota (952) 846-4484 The copyright owner hereby grants permission to make copies of this handout for personal, noncommercial use to Exercise 1 Using the table below, draw the Network diagram and answer the questions. When you have completed answering the questions, do a forward/backward How many paths are in the Network , and what are they?

3 There are seven paths. See the details on the next page. 2. What is the critical path and its duration? Start, C, A, R, End 16 weeks3. What is the float on activity U? 3 weeks4. What is the impact to the project if activity B takes three weeks longer than planned? The critical path will shift to Start, B, A, R, End. It will delay the project end by one a forward and backward pass using the original in weeksStart-0 CStart6 BStart4 PStart3AC, B, P7UP4TA2RA3NU6 EndT, R, N0 StartCATEndBRPUN67243346 Copyright 2018 RMC Publications, All rights Bren Road East Minnetonka, Minnesota (952) 846-4484 The copyright owner hereby grants permission to make copies of this handout for personal, noncommercial use to Exercise 1 PathsStart, C, A, T, End15 Start, C, A, R, End16 Start, B, A, T, End13 Start, B, A, R, End14 Start, P, A, T, End12 Start, P, A, R, End13 Start, P, U, N, End13 Start606060C76136130A2131514161 TEnd303363P404262B3131613160R4376103U671 310163 NNote.

4 Answers are based on using the zero method. See the article, Two Methods to Calculate the Forward and Backward Passes in a Network Diagram, at for an explanation of the two = Activity nameD = DurationF = FloatES = Early startEF = Early finishLS = Late startLF = Late finishLegendIDDESLSEFLFFC opyright 2018 RMC Publications, All rights Bren Road East Minnetonka, Minnesota (952) 846-4484 The copyright owner hereby grants permission to make copies of this handout for personal, noncommercial use 2 Using the table below, draw the Network diagram and answer the questions. When you have completed answering the questions, do a forward/backward How many paths are in the Network , and what are they?

5 2. What is the critical path and its duration? 3. What is the float on activity B? 4. What is the impact to the project if activity C takes three weeks longer than planned? Do a forward and backward pass using the original in weeksA-5EA7CA3DE1BE, C3FD, B2 Copyright 2018 RMC Publications, All rights Bren Road East Minnetonka, Minnesota (952) 846-4484 The copyright owner hereby grants permission to make copies of this handout for personal, noncommercial use to Exercise 2 Using the table below, draw the Network diagram and answer the questions. When you have completed answering the questions, do a forward/backward pass . 1. How many paths are in the Network , and what are they?

6 There are three paths. See the details on the next page. 2. What is the critical path and its duration? A, E, B, F 17 weeks3. What is the float on activity B? Zero. It is on the critical 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 a forward and backward pass using the original estimates. ActivityPredecessorEstimate in weeksA-5EA7CA3DE1BE, C3FD, B2 AEDFCB571332 Copyright 2018 RMC Publications, All rights Bren Road East Minnetonka, Minnesota (952) 846-4484 The copyright owner hereby grants permission to make copies of this handout for personal, noncommercial use to Exercise 2 PathsA, E, D, F15A, E, B, F17A, C, B, F13 AEDFCB57133050055121213142155 0 125894122151715 0 17121512 0 15 LegendIDDESLSEFLFFID = Activity nameD = DurationF = FloatES = Early startEF = Early finishLS = Late startLF = Late finish