PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Chapter 6 Time Management
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Contents Time Management overview Time Management Processes Plan Schedule Management, Sequence Activities, Estimate Activity Resources. Estimate Activity Durations, Develop Schedule, Control Schedule Precedence Diagramming Method Dependencies Leads and Lags Network Diagrams Critical Path Method Schedule Compression
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Time Management Learning Objectives By the end of this chapter, you should be able to: Explain the importance of Time Management on a project Name the Time Management processes Explain the purpose of and activities performed in each process Explain the purpose of the Precedence Diagramming Method Understand and interpret network diagrams Identify the critical path and calculate its duration Explain the purpose and use of schedule compression techniques
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Project Time Management Who is responsible for project delays? What Tools and techniques do you use To estimate activity durations? To Manage Time? How to handle changes?
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Time Management Processes Which Process Group do each of these activities belong in? 1. Plan Schedule Management 2. Define Activities See WBS section under Scope Management 3. Sequence Activities 4. Estimate Activity Resources 5. Estimate Activity Durations 6. Develop Schedule 7. Control Schedule
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Plan Schedule Management How schedule will be managed, executed, and controlled. Component of the Project Management Plan
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Sequence Activities Process of identifying and documenting relationships among project activities. Sequenced using logical relationships Connected to a predecessor and successor Except the first and last activities May be necessary to include lead or lag times To support a realistic/achievable schedule
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Precedence Diagram Method PDM method used in Critical Path Methodology (CPM) for constructing a project schedule network diagram. Also called Activity-On-Node Begin A BE C DEnd SS+5
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals PDM Dependencies PDM includes four types of dependencies or logical relationships Finish-to-start (FS) Initiation of the successor (S) depends upon the completion of predecessor (P) Finish-to-finish (FF) Completion of S depends upon completion of P Start-to-start (SS) Initiation of S depends upon initiation of P Start-to-finish (SF) Completion of S depends upon initiation of P (rarely used) PS P S P S P S
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Dependency Determination Mandatory dependencies –Contractually required or inherent in the nature of work (Hard Logic) Discretionary dependencies –Preferred logic or soft logic based on best practices External dependencies –Usually outside the team’s control
Review Quiz Which one of the following is not a type of dependency? A.Mandatory Dependency B.Hard logic C.External Dependency D.Extraneous Dependency PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Applying Leads and Lags A lead allows an acceleration of the successor activity. Shown as a finish-to-start dependency A lag directs a delay in the successor activity. Shown as a start-to-start relationship. PS FS+5 P S SS+5
Review Quiz “Define Activities” and “Sequence Activities” belong to which process group? A.Initiation B.Planning C.Monitoring and Controlling D.Closing PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals
Review Quiz The reason we build a network diagram during the Time Management Process is to A.Identify activities B.Help estimate time and resource C.Identify relationships between activities D.Verify WBS PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Estimate Activity Resources Process of estimating type and quantities of resources Material Equipment People Closely linked to Estimate Cost Process Needs experience and industry knowledge for accurate estimates. Historic documents a key asset in this process
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Estimating Activity Duration One-Point Estimate Estimator submits one estimate per activity Requires specialized knowledge and experience Analogous Estimating (Top-down) Expert judgment and historical information Less costly and time consuming but less accurate Parametric Estimating Regression analysis (scatter diagram) Learning curve Kamran Note: split slide into three additional diagrams or have examples popup
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Estimate Activity Duration (Cont…) Heuristics - Rule of thumb Design work is always 15% of total project length Three-Point Estimates Pert Analysis uses three estimates to define an approximate range for an activity duration Most likely t m, Optimistic t o, Pessimistic t p t E = (t o +4t m +t p ) \ 6 Standard Deviation = (t p -t 0 ) \ 6 Activity Variance = [(t p -t 0 ) \ 6] 2
Review Quiz The 3 types of estimates used in PERT analysis are: A.Optimistic, Pessimistic, and Actual B.High, Low, and Balanced C.Optimistic, Realistic, and Most Likely D.Optimistic, Pessimistic, and Most Likely PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Reserve Analysis Discussed in Risk management chapter Contingency reserves After risk planning Also called time reserve or buffers Management reserves Unforeseen risk
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Develop Schedule Schedule Network Diagram DependenciesEstimates
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Develop Schedule Questions
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Drawing Network Diagrams Dig Foundations Float = 3 Days ES = Day 3EF = Day 8 LF = Day 11LS = Day 6 Duration = 5 days Source: Rita Example Exercises Page 200
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Critical Path Example Start A B C D E End F = LS – ES or LF - EF How much float does a critical path have? Calculate paths and their durations. Kamran Note: Please animate this slide as the narrator works through the example
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Review Quiz Start A E B D End C 6 F 7 What’s the critical path and its duration in the following diagram? A.AB, 13 B.CD, 10 C.ACEF, 22 D.EF, 12
Exam Tip Network diagrams are repeated between questions in the exam PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals
Trick Question PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals A B C 6 20 ES = ?
Trick Question 2 PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals F G D 10 2 LF = ?
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Critical Path Method Critical Path – the longest path in the network diagram and the shortest time to complete the project, using the logical network Outcome : Forward pass calculations identify the early start (ES) and early finish (EF) dates Backward pass calculations identify the late start (LS) and late finish (LF) dates Can a critical path change? Can there be more than one critical paths? What is the impact of more than one critical paths?
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Critical Path Method Benefits As the critical path is identified, additional risks may be identified, based on their position in the network Shows explicit relationship Co-ordinates “big picture” Lays out flow of work Encourages careful task analysis Facilitates fact based problem solving
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Critical Path Considerations Near Critical Path Has duration very close to Critical Path Needs to be closely monitored Can become Critical Path in certain circumstances Why watch near critical paths? Float (Slack) Total float – delay does not impact project/milestone Free float – delay does not impact successor Project float – delay does not impact external date
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Schedule Compression Fast Tracking Activities running in series are split to run parallel Impacts? Crashing Taking resources from non-critical path or from outside
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Control Schedule “Process of monitoring the status of the project to update project progress and manage changes to the schedule baseline” Performance reviews Variance Analysis Project management software Resource leveling What-if scenario analysis Adjust leads and lags Schedule compression
PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Chapter Summary Time Management Processes Plan Schedule Management Sequence Activities Estimate Activity Resources Estimate Activity Durations Develop Schedule Control Schedule Precedence Diagramming Method Critical Path Method Schedule Compression
End of Chapter Quiz Question 1: Activity A can start right away and takes 1 day B can start after A finishes and takes 2 days C can start after A finishes and takes 4 days D can start after B & C and takes 5 days E can start after D and takes 6 days F can start after C and takes 3 days G can start after E & F and takes 4 days Project finishes after G is completed What is the duration of the Critical Path? A.12 B.30 C.20 D.19 PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Kamran Note: please add the final network diagram when narrator is talking about the correct answer
End of Chapter Quiz Question 2: It takes the least amount of time to use which estimation technique? A.One-Point B.Three-Point C.Parametric D.Peer review PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals
End of Chapter Quiz Question 3: During execution phase an unforeseen risk is encountered, what should the project manager do? A.Fast Track B.Crash resources from a non critical path activity C.Use Management Reserve D.Use Contingency Reserve PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals
End of Chapter Quiz Question 4: Activity A can start right away and takes 1 day B can start after A finishes and takes 2 days C can start after A finishes and takes 4 days D can start after B & C and takes 5 days E can start after D and takes 6 days F can start after C and takes 3 days G can start after E & F and takes 4 days Project finishes after G is completed What is the duration of the Float of Activity E? A.8 B.0 C.1 D.2 PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals
End of Chapter Quiz Question 5: During estimating an activity three estimates were given Optimistic = 2 days Most likely = 5 days Pessimistic = 8 days The calculated estimate for this activity is A.4 days B.6 days C.5 days D.9 days PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals Kamran note: please show pert formula at time of answer
End of Chapter Quiz Question 6: All of the following are Time Management processes except: A.Estimate Activity Resources B.Develop Project Charter C.Estimate Activity Durations D.Sequence Activities PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals
End of Chapter Quiz Question 7: The 2 schedule compression techniques are: A.Shortening and restricting B.Alternating and bypassing C.Crashing and fast tracking D.Adjusting and excluding PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals
End of Chapter Quiz Question 8: In a network diagram, activity B cannot begin until activity A has begun. This is an example of: A.Precedence diagramming B.Critical Path Method C.A Start to Start dependency D.A Finish to Start dependency PMP, CAPM, PgMP, PMI-SP, PMI-RMP, OPM3 and PMBOK are registered marks of Project Management Institute, Inc Inov8Solutions Inc – Quality Educational Services For Professionals