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Activity Identification
CSTM 462
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Missing Level One WBS
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Organized
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Summarized
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A construction project, no matter how large or
small, is made up of many individual workitems that must be completed ..
commonly referred to as activities
The first step
is to identify the activities that must becompleted in order to complete the project.
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Activities have five characteristics:
1. Activities consume time.
2. Activities usually consume resources.
(cure time is a example as an exception)
3. Activities have a definable start and
finish.
4. Activities are assignable.5. Activities are measurable.
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Resource Availability
The key to estimating activity durations is
the availability of resources. These
resources include the following: Labor
Equipment
Material
Subcontractors
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Activity Identification-Usually entails dividing the work upbased on one or more of the following criteria-
What work has to be done? HVAC Ductwork
Where will the work be accomplished? Each floor
Who will be responsible for performing the work? Trade
When will the work be performed? Rough-In/Finish How will the work be accomplished? Part needs crane
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Activity Detail
Location- In different areas?
Type of resource- More than one trade?
Timing- At different times in the project? How?- Different resource for each activity?
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Activity Detail
Why would it be broken down from large to
small activities?
By location
By who performs work
Sequence
A specific reason for proper planning
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Example
Place Concrete
Place Concrete Form
Reinforcing Steel
Pour/Place
Foundations Form
Reinforcing Steel
Pour/Place
Walls Form
Reinforcing Steel
Pour/Place
Foundations- Area A Form
Reinforcing Steel
Pour/Place
Foundations-Area B
Form Reinforcing Steel
Pour/Place
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Level of Detail
Owner requirement
As needed to manage the project
Sequencing & Experience
No more than five day duration as a rule by manygeneral contractors
Type of work
Hour to day durations-we will use days-not partial
days always round up Project Requirements- will identify requirements in
project specifications
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The Planning and Scheduling Process
Requires the following six (seven) steps:Evaluate Work Breakdown Structure
Identify project activities.
Estimate activity durations.Develop the project plan.
Schedule the project activities.
Implement the schedule.Review and analyze the schedule.
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Identify project activities.
Breakdown and analyze the project.
Review the plans, specifications, general
conditions and contract requirements.
The result of this first step is the
identification of all activities that must be
performed in order to complete the project.
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Activity Description
Consistent in format
A lot of information communicated in a
short description.
Common meaning/industry terms
Concise and unambiguous
Only so many spaces in system Different description for each activity
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Activity IDs
Use Software Features & Use to
Read Activity Description
Some Specifications Specify ID
Style & Length
Maintain Consistency from
Schedule to Schedule!!!!!!!
Example
EX-P12-100
Type Location Differentiate
Excavate-Pier 12- Activity 100