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Project Management
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Projects „Unique, one-time operations designed to accomplish a specific set of objectives in a limited time frame.”
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Processes in an organization
Usual business processes Projects Routines & regular tasks Changes & Uncertainty
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Main characteristics of projects
Uniqe set of tasks and processes Narrow focus, specific performance objectives The end of the project is definite: Limited time-frame Objectives reached or it is proven, that objectives cannot be reached anymore Budget is limited It can be planned It is always risky
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Project management Project management is the discipline of planning, organizing, and managing resources to bring about the successful completion of specific project goals and objectives. Project-like management: managing non-project processes as projects
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Project Manager (Stevenson)
Responsible for: Work (tasks) Quality Human Resources Time Communications Costs
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Other roles in the project
Project-coordinator: negotiate with the functional leaders, report to the project manager Project champion: strong person who promotes and supports the project Projectmanagement-team members Project-workers: deliver the tasks
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Project Life Cycle (Stevenson)
Concept Feasibility Planning Execution Termination Management
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Project life cycle
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Cost of changing in the life cycle
Definintion Planning, preparation Implementation, execution Closing the project Costs Influence of the stakeholders Cost of changing Time
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Project-management tools
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Problem tree diagram A problem tree is a problem analysis tool that illustrates the cause and effect relationship of problems using a hierarchical tree diagram. by arranging the problem statements in hierarchical order and depicting the problem statements in a boxed article.
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Problem-tree
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Fishbone (Ishikawa) diagram
A Fishbone Diagram is a problem analysis tool that illustrates the cause and effect relationships of problems and is often use in the quality management discipline.
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Objective tree An objective tree is an objective formulation tool that depicts graphically the hierarchy of objectives. It is formulated by initially inverting the statements found in the problem tree (often used in tandem).
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Logical Framework Matrix
Pre-conditions 4. Activities (inputs) 3. Outputs (results) 2. Immediate objective 1. Startegic goal 4. Risks and assumptions 3. Means of verifi-cation 2. Indicators 1. Objectives-structure
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Work Breakdown Structure
a tool used to define and group a project's discrete work elements (or tasks) in a way that helps organize and define the total work scope of the project
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GANTT charts A Gantt chart is a type of bar chart that illustrates a project schedule. Gantt charts illustrate the start and finish dates of the terminal elements and summary elements of a project. Some Gantt charts also show the dependency relationships between activities. Gantt charts can be used to show current schedule status using percent-complete shadings, or colored lines and a vertical "TODAY" line.
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GANTT charts ID Activities Who is responsible? Time intervals
1. 2. 3. 4. 5. 6. 7. 8 9 10. 11.
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GANTT charts 6. 5. 4. 3. 2. 1. time activities
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GANTT charts
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GANTT charts 6. 5. 4. 3. 2. 1. time Activities today
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The Network Diagram Network (precedence) diagram
Activity-on-arrow (AOA) Activity-on-node (AON) Activities Events
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The Network Diagram Path Critical path Critical activities Slack
Sequence of activities that leads from the starting node to the finishing node Critical path The longest path; determines expected project duration Critical activities Activities on the critical path Slack Allowable slippage for path; the difference the length of path and the length of critical path
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Project Network – Activity on Arrow
1 2 3 4 5 6 Locate facilities Order furniture Furniture setup Interview Hire and train Remodel Move in AOA
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Project Network – Activity on Node
1 2 3 5 6 Locate facilities Order furniture Furniture setup Interview Remodel Move in 4 Hire and train 7 S AON
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Network Conventions a b c d Dummy activity
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Time Estimates Deterministic Probabilistic
Time estimates that are fairly certain Probabilistic Estimates of times that allow for variation
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Deterministic time estimates
1 2 3 4 5 6 8 weeks 6 weeks 3 weeks 4 weeks 9 weeks 11 weeks 1 week Locate facilities Order furniture Furniture setup Interview Hire and train Remodel Move in
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Solution Critical Path
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Probabilistic Time Estimates
Optimistic time Time required under optimal conditions Pessimistic time Time required under worst conditions Most likely time Most probable length of time that will be required
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1-3-4 a 3-4-5 d 3-5-7 e 5-7-9 f 2-4-6 b 4-6-8 h 2-3-6 g 3-4-6 i 2-3-5
c Optimistic time Most likely Pessimistic
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Sample: a research-project
Survey on students Task 1: literature overview Task 2: design questionaire Task 3: collect a sample of subjects Task 4: printing questionaires Task 5: fieldwork Task 6: analyse data Task 7: writing up Task 8: prepare a presentation Task 9: presenting to the customer
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AOA Network diagram What is its AON version?
6 10 b a 2 f 5 9 c e 4 d
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Solution?
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