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Level 3 Schedule

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Definition:
A detailed control schedule that defines all major tasks, dependencies, and work breakdown structure components, supporting cost tracking and performance analysis.

Key Components:

  • WBS Breakdown to Activity Level: Covers all essential execution tasks.
  • Resource Loading: Assigns labor, equipment, and material requirements.
  • Dependency Mapping: Identifies key task relationships.
  • Baseline for Performance Measurement: Used for Earned Value Management (EVM).

Use Cases/Industries:

  • Oil Refinery Construction: Managing contractor schedules across workstreams.
  • Solar PV Plant Installation: Tracking panel procurement, racking, and grid tie-in.
  • Nuclear Power Plant Development: Aligning civil, mechanical, and commissioning activities.

Advantages:

  • Essential for Project Control: Provides actionable tracking of progress.
  • Facilitates Cost Monitoring: Helps in financial forecasting and cost performance analysis.

Challenges:

  • Requires Specialized Tools: Often managed using Primavera P6 or Microsoft Project.
  • Data Management Intensity: Needs regular updates and active monitoring.

Related Terms:
Execution Schedule, Progress Tracking Plan, Project Control Schedule

Example:
A Class 3 estimate-driven Level 3 schedule for a liquefied natural gas (LNG) terminal details piping installation, compressor station setup, and safety system commissioning over a 36-month timeline.

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Synonyms:
Baseline Schedule, Control-Level Schedule
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