Scheduling key concepts june 07, 2012 [compatibility mode]
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Transcript of Scheduling key concepts june 07, 2012 [compatibility mode]
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Effective Project SchedulingKey Concepts for Schedule Foundation
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Speaker-Introduction
A practitioner of Analytics, Productivity,
Information Modelling, Enterprise
Project\Program\Portfolio Management &
Execution Management.
Project Management Coach/ Trainerfocusing on MS Excel, MS Project and MSEPM product to improve productivity ofmanagement community. Jaiveer Singh (MBA,PMP)
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www.singhjaiveer.blogspot.com
www.project-management-practice.blogspot.com
@ singhjaiveerHaving 18 years work experienceincluding 10 years in Project/Program &Portfolio management roles for globalMNCs. http://www.slideshare.net/Jaiveer
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A walk through of the session outline
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Photo by Tricky at flickr
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Agenda
1. Key Concepts - 20 Min.
2. Q & A - 10 Min.
3. MS Project Demo - 20 Min.
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3. MS Project Demo - 20 Min.
4. Q & A - 10 Min.
Note: Participants can post questions using Chat option
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Key Concepts
�Scheduling is Modelling
�Static & Dynamic Scheduling
�Progressive Elaboration
�Time - Calendars (FY)
� Working Time/ Days
�Duration vs Work Measurement
�WBS & Rolling Wave Planning
�Task Types
Project Schedule
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�Task Types
�Tasks Dependencies
�Project Progress Rate & Project Status
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Scheduling or Multi Player Game
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Master or Assistant
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Scheduling is Modeling
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Static & Dynamic SchedulingOriginal Schedule
Static Schedule
Baseline Schedule
Reference Schedule
Vs
Second Schedule
Dynamic Schedule
Actual task progress
impact successor
tasks
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Dynamic Schedule
Forecast Schedule
© PM Clinic
The dates are continually recalculated and
reforecast when you enter progress
information or make other changes.The forecast schedule helps you identify
slippages relative to the original schedule.
Because this is a dynamic model, it also helps
you find ways to quickly reduce slippage.
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The Living Project Schedule
• Project planning isn’t
just an activity for
the start of the
project--the project
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project--the project
plan must be a living,
evolving document
that is updated and
changed on a regular
basis.
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Progressive Elaboration– Moving From the Unknown to the Known
Progressive elaboration, is defined by PMBOK*as
“continuously improving and detailing a plan as more detailed and specific
information and more accurate estimates become available as the project
progresses, and thereby producing more accurate and complete plans that result
from the successive iterations of the planning process”.
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Understanding Time - Calendars
Year
Month 1 Month 12
Gregorian/ Hizri/Thai
Buddhist Calendar
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Week 1 Week 2 Week 3
Day 1 Day 7
Hour 1 Hour 24
Week 4
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Project / Resource/ Tasks Calendars
Consultants
Availability
Working Hours [8-5/ 9-6] Holidays
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Offshore Team
Calendar
Project
Calendar
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Duration vs WorkHow Big is Project: Work Size
Time : Person Days, Person Week, Person
Months, Person Years
How Long Project Can Run: Duration
Time : Days, Week, Months, Years
500 person months Duration : 10 months
�25 person working for 20 months = 500 Person Months
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�50 Persons working for 10 months = 500 Person Months
�Work = Duration X Resource Units
�500 = 10 X 50
Project
Dimensions
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WBS- Work Breakdown Structure
A detailed, well-defined WBS is created for immediate period of clarity, and
only milestones are highlighted for the rest of the project.
Level 1
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Rolling Wave Planning – WBS Level
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Level 2
Level 3
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Tasks Types
Fixed Duratione.g. wet paint on cars may
take 2-3 hours to dry
before next work can be
done on cars
Fixed Resources/ Efforts/
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Fixed Unit
Fixed Resources/ Efforts/
Budget e.g. To move a long
table, you require 2 people
Fixed Work
Fixed work size which is having
linear relationship to duration
and resources assigned for
execution
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Tasks Types
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Fixed Work
Work = Duration X Resources (units)
50 Person Days = 5 Days X 10 Resources
Change in one unit, trigger re-computation of other factor
while base type column remains fixed
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Tasks Dependencies Concepts
Hard Dependency : Once Paint on walls is dry only
then next work can be done on walls, Another example
- Walls needs to be built first before roof can be made.
Soft Dependency : Once some programmer is
available, previous application defect can be fixed. It’s
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available, previous application defect can be fixed. It’s
about availability of resources.
© PM Clinic
Time Lag: Time difference between finish of task 1 and start of
task 2. Task 2 may have to wait post Task 1 completion.
Overlap: Time Period in which both tasks run in parallel. Some
tasks can be started 2-3 days before of previous tasks completion
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Tasks Dependencies Types
Finish to Start
Dependencies are the relationships of the preceding tasks to the
succeeding tasks. Tasks may have multiple preceding tasks and multiple
succeeding tasks.
The most common dependency relationship is a finish-to-start
relationship.
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Build Columns/Walls
Build Roof
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Tasks Inter Dependencies
Finish to Start
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Paint a car Polish the car
Time Lag
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Tasks Dependencies Types
Start to Start
10 s
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Fill Car Fuel Tank
Change wheels
Start to Start
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Tasks Dependencies Types
Predecessor task
successor task
[FF] The successor task cannot finish
until the predecessor task finishes.
Finish to Finish
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Predecessor task
successor task
[SF] The successor task cannot finish
until the predecessor task starts.
Start to Finish
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Project Baselines
Project Approved Timelines is referred as Project Baseline. Project actual
performance is measured against this (goal).
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88 91 94 97 100
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100
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% Completion
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Project Progress Rate vs StatusCar Journey – Distance/ Speed/ Fuel
Distance : 300 KM, Speed : 50 KM Per hour, Mileage: 20 KM/ Liter
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Concepts Implementation in MS Project
�Tools/ options [Configuration/ Product Setup]
�Calendar/ Schedule/ View
�Calendar Setup
�Holidays/ Work Weeks
�Project Information
�Timescale [ Bottom/ Middle/ Top Tier]
�Tasks (Duration & Work)
�Tasks Type
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�Tasks Type
�Task Dependencies
�Project Guide
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Select Project Calendar Type
Define Calendar
Type to be used
Tools - > Options
- > View Tab
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Setup Time Units & Working Time
Define First day
of Week and First
Month of a Year
Tools - > Options
- > View Tab
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Define working
time
Define Time Units
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New Calendar Setup
Setup Custom
Calendars
Tools - > Change Working Time
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Define Work
Days in a Week
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Duration/Work Unit Setup
Duration Time
Unit
Tools - > Options
- > Schedule Tab
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Unit
Default Work
Unit (person
hours/ days)
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Customize Time Scale
Select Time Unit
Format- > Time Scale
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Project Information
Project Start
Date
Project - > Project Information
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Project Base
Calendar (Choose
Custom Calendars)
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Setup Default Task TypeTools - > Options
- > Schedule Tab
Default Task
Type
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�Fixed Unit
�Fixed Duration
�Fixed Work
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Task Type relationship to work
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Tasks Dependencies TypesDouble Click on any Task or Press Shift + F2
Click on Predecessors Tab
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Task
Dependencies
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Impact tasks
work/duration of units
re-computation when
any one of them is
modified
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Project Guide
View ->
Turn on Project Guide
Follow
recommended
project setup
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project setup
guidelines
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Showing Project Status in Gantt Chart
Status
Date
[Friday]
Current
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Current
Date
[Monday]
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MPP Examples
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Next Webinar
• Project Multiple Baselines & Variances
• PERT Estimation
• Assignments
• Critical Path Analysis
Updating Work Progress
© PM Clinic 39
• Updating Work Progress
• Project Status Reports (Weekly Progress)
• Project Status Reports (Milestone Variance)
• And many more ……
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Presentation copy available for download at
Presentation is available on http://slideshare.net/jaiveer
http:// project-management-practice.blogspot.com
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http://www.facebook.com/pmclinic
Email: [email protected]
@thepmclinic
[email protected]© PM Clinic