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Developing a Project Plan Chapter 6 Luck favors to a prepared mind….. Louis Pasteur.

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Presentation on theme: "Developing a Project Plan Chapter 6 Luck favors to a prepared mind….. Louis Pasteur."— Presentation transcript:

1 Developing a Project Plan Chapter 6 Luck favors to a prepared mind….. Louis Pasteur

2 Developing a Project Plan The biggest and important part of a project plan is establishing the project network

3 Project Network The project network is the tool for planning, scheduling and monitoring project progress. The project network presents a graphic display of the flow and sequence of work through the project Provides the basis for scheduling labor and equipment Provides an estimate of the projects duration Provides a basis for budgeting cash flow Highlights activities that are critical and should not be delayed Help managers get and stay on plan

4 Project Network The project networks are developed from the WBS

5 Project Network The project networks are developed from the WBS

6 Project Network The project networks are developed from the WBS

7 Project Network - Terminology Activity: an element of the project that requires time.Activity: an element of the project that requires time. Merge activity: an activity that has two or more preceding activities on which it depends.Merge activity: an activity that has two or more preceding activities on which it depends. Parallel (concurrent) activities: Activities that can occur at the same time if desired.Parallel (concurrent) activities: Activities that can occur at the same time if desired. A C BD

8 Project Network - Terminology Path: a sequence of connected, dependent activities.Path: a sequence of connected, dependent activities. Critical path: the longest path through the activity network that allows for the completion of all project-related activities;Critical path: the longest path through the activity network that allows for the completion of all project-related activities; C AB D

9 Project Network - Terminology Burst activity: an activity that has more than one activity immediately following it (more than one dependency arrow flowing from it) B D A C

10 Basic Rules in Developing Project Networks Networks typically flow from left to right.Networks typically flow from left to right. An activity cannot begin until all of its preceding activities are complete.An activity cannot begin until all of its preceding activities are complete. Arrows indicate precedence and flow and can cross over each other.Arrows indicate precedence and flow and can cross over each other. Looping is not allowed.Looping is not allowed.

11 Basic Rules in Developing Project Networks

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13 Project Networks – Prototype Example This project is about preparing initial project plan regarding with building a new business center

14 Project Networks – Prototype Example Partial Network

15 Project Networks – Prototype Example Complete Network

16 Project Networks – Prototype Example This project is about preparing initial project plan regarding with building a new business center

17 Project Networks – Prototype Example Network Computation Process Forward PassEarliest TimesForward PassEarliest Times How soon can the activity start? (early startES)How soon can the activity start? (early startES) How soon can the activity finish? (early finishEF)How soon can the activity finish? (early finishEF) How soon can the project finish? (expected time-ET)How soon can the project finish? (expected time-ET) Backward PassLatest TimesBackward PassLatest Times How late can the activity start? (late startLS)How late can the activity start? (late startLS) How late can the activity finish? (late finishLF)How late can the activity finish? (late finishLF) Which activities represent the critical path?Which activities represent the critical path? How long can it be delayed? (slack or floatSL)How long can it be delayed? (slack or floatSL)

18 Project Networks – Prototype Example A Application approval B Construction plans C Traffic Study D Service Check F Comission approval E Staff Report G Wait for Construction HOccupancy ESIDEFSLDescription LSDurLF

19 Project Networks – Prototype Example A Application approval 5 B Construction plans 15 C Traffic Study 10 D Service Check 5 F Comission approval 10 E Staff Report 15 G Wait for Construction 170 HOccupancy 35 ESIDEFSLDescription LSDurLF

20 Prototype Example- Forward Pass 0A5 Application approval 5 5B20 Construction plans 15 5C15 Traffic Study 10 5D10 Service Check 5 20F30 Comission approval 10 20E35 Staff Report 15 30G200 Wait for Construction H235Occupancy 35 ESIDEFSLDescription LSDurLF

21 Prototype Example-Backward Pass 0A5 Application approval 055 5B20 Construction plans C15 Traffic Study D10 Service Check F30 Comission approval E35 Staff Report G200 Wait for Construction H235Occupancy ESIDEFSLDescription LSDurLF

22 Prototype Example-Slack (Float) Total Slack The amount of time an activity can be delayed without delaying the entire project


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