PMP Training - Project Time Management Part 2

PMI Project Management Professional (PMP)® Workshop

© 2013 Skillogic Knowledge Solutions. All Rights Reserved

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Project Time ManagementPart 2


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Inputs: Sequence Activities Activity list has the list of activities to be

performed. Activity attributes has the additional information about the activities. Milestone list mark the key achievement

Project scope statement contains the product description which has the details of features and functionality. We can relate the order of the features and functionality of the product by determining the order of the activities


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Tools & techniques: Sequence Activities Precedence diagramming method (PDM)uses rectangles to represent

activities and connects them using arrows. This tool is also called Activity on node

PDM includes 4 types of logical relationships : 1. Finish to Start – Activity C cannot start unless Activity A has finished 2. Start to Start – Activity B cannot start unless Activity A has started 3. Finish to Finish – Activity B cannot finish unless Activity A has finished 4. Start to Finish - Activity B cannot finish unless Activity A has started Dependency determination establishes logical relationships as a result of

existing dependencies. The type of logical relationship possible are: 1. Mandatory or hard logic are the result of inherent nature of work. Contractual compliance and product limitations are examples


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Tools & techniques: Sequence Activities Dependency determination establishes logical relationships as

a result of existing dependencies. The type of logical relationship possible are:

1. Mandatory or hard logic are the result of inherent nature of work. Contractual compliance and product limitations are examples

2. Discretionary or preferential logic dependencies exist as a result of preferences of project team

3. External dependency indicates that an activity outside of the project has an effect on the sequence project activities. The relationship between activities is dependent on the external event


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Tools & techniques: Sequence Activities Applying leads and lags takes into

account any delays or advances between activities. The delays are called as lags and advances are called as leads

Lag which is also called as waiting time, is the amount of delay that exists between activities

Schedule network templates includes the templates from previous projects. Sub network is the portion of the network from past project


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Outputs: Sequence Activities Project schedule network diagrams are displays and the logical

relationships between the activities


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Introduction: Estimate Activity Resources Identify the type and quantity of resources needed to

accomplish the activities. Document the details for each activity

Estimate cost is another process which is closely associated with this process at an activity level


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Estimate Activity Resources

Inp

uts

• Schedule management plan

• Activity list

• Activity attributes

• Resource calendars

• Risk register

• Activity cost estimates

• Enterprise environmental factors

• Organizational process assets

Tools & Techniques

• Expert judgment

• Alternative analysis

• Published estimating data

• Bottom-up estimating

• Project management software

Outp

uts

• Activity resource requirements

• Resource breakdown structure

• Project documents updates


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Inputs: Estimate Activity Resources Activity list contains the list of activities that need to be

performed to accomplish a deliverable Activity attributes are supporting information about the activity Activity resource requirements will depend on availability

which is available in resource calendar. Activity resource requirements will also depend on the skill level


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Tools & techniques: Estimate Activity Resources

Bottom-up estimating involves estimating resources of an activity after it has been decomposed into smaller levels

Published estimating data includes known productivity and resource requirements based on similar past projects or benchmarking


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Outputs: Estimate Activity Resources Activity resource requirements contains the type and quantities

of resources to accomplish the activities Adding the resources will result in total resources at a work

package level Resource breakdown structure is a hierarchical breakdown of

the resources by categories


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Introduction: Estimate Activity Durations Estimating activity duration requires information on resources

as well as work involved for an activity This process is about identifying number of work periods to

complete activities


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Estimate Activity Durations

Inp

uts


• Activity list




• Project scope statement

• Risk register




Tools & Techniques

• Expert judgment

• Analogous estimating

• Parametric estimating

• Three-point estimating

• Group decision-making techniques

• Reserve analysis

Outp

uts

• Activity duration estimates



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Inputs: Estimate Activity Durations

Activity list contains the list of activities that need to be performed to accomplish a deliverable

Activity attributes are supporting information about the activity Activity resource requirements will depend on availability

which is available in resource calendar. Activity resource requirements will also depend on the skill level

Project scope statement has assumptions and constraints for this process


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Tools & techniques: Estimate Activity Durations

Three persons guessing is better than one person guessing

Three point estimates uses three values to determine the duration of an activity using the PERT formula: An optimistic estimate, a pessimistic estimate, a most likely estimate


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Tools & techniques: Estimate Activity Durations

Parametric estimating uses statistical relationship between past duration data and variables like number of meters of road, function point count, etc., to estimate current activity duration

Actual duration of activities of previous projects are used to estimate duration of activities of current project in Analogous estimating. This is also called top-down

estimating and used when there is limited information. Relies on expert judgment and is reliable when current project is similar to the previous project. It is used in the early phases of the project


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Tools & techniques: Estimate Activity Durations Reserve analysis involves taking into consideration time buffers

when estimating duration for activities. Risks which may impact the schedule should be considered when estimating duration.

This buffer can be calculated based on fixed percentage of activity duration or based on quantitative risk analysis


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Introduction: Develop Schedule This process is all about determining planned start and finish

dates of activities in a project. The planned start and finish date of activities are dependent on the outputs of time management planning processes

Developing a schedule is a sequential process Project schedule normally undergoes multiple iterations of

changes. The approved version of project schedule becomes the schedule baseline


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Develop Schedule

Inputs


• Activity list


• Project schedule network diagrams



• Activity duration estimates

• Project scope statement

• Risk register

• Project staff assignments




Tools & Techniques

• Schedule network analysis

• Critical path method

• Critical chain method

• Resource optimization techniques

• Modeling techniques

• Leads and lags

• Schedule compression

• Scheduling tool

Outp

uts

• Schedule baseline

• Project schedule

• Schedule data

• Project calendars

• Project management plan updates


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PMP Training - Project Time Management Part 2