Interactive Project Management Demonstration

Resource Levelling

Build an initial precedence-based schedule, load a constrained resource, identify an overallocation, apply a priority rule, level the conflict, and observe the effect on activity dates and project duration.

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Demonstration at a glance
Level Intermediate
Typical duration 8–12 minutes
Learning format Guided schedule simulation
Best for Project managers, planners and certification learners
Demonstration overview

See How Resource Constraints Change the Schedule.

Resource levelling adjusts activity start and finish dates when resource demand exceeds available capacity. This demonstration begins with a valid precedence schedule, then introduces a single constrained Planner resource so you can see exactly where the schedule becomes infeasible and how levelling resolves the conflict.

  • Review six activities, durations, predecessors, and resource assignments.
  • Build the initial precedence-based schedule one activity at a time.
  • Load the Planner resource and identify the period of overallocation.
  • Apply a transparent priority rule to decide which competing activity moves.
  • Shift the lower-priority activity and propagate the effect to its successors.
  • Compare the original and levelled schedules, including the change in project duration.
Guided Demonstration

Resource Levelling — Step by Step

Complete each stage before the next stage unlocks. The schedule and resource profile update beside the learning panel so you can see each decision immediately.

Learning stages
Foundation Stage 1 of 8

Review the Activity and Resource Data

Current instruction
Schedule & Resource Loading

Activity Timeline and Planner Capacity

The initial schedule is built activity by activity.

100%
Initial schedule Resource conflict Shifted activity Resource-feasible result

Focus Mode moves you to the Guided Demonstration, then hides the rest of the page while keeping the current stage and schedule visual together. Zoom affects only the timeline.

Schedule status: Review the activity data, then build the initial schedule.
Supporting Schedule Table

Initial and Levelled Dates

The table reveals dates progressively. Levelled dates appear only after the conflict has been resolved and successor dates have been recalculated.

Activity Predecessor(s) Duration Resource Initial Start Initial Finish Levelled Start Levelled Finish Shift
Experiment Mode

Change Capacity and the Priority Rule

Explore how the same precedence schedule behaves under different Planner capacities and levelling priorities.

Check Your Understanding

Quick Knowledge Check

Resource Levelling Quick Reference

Core Rules and Concepts

Concept Rule Practical Meaning
Overallocation Resource demand > available capacity The precedence schedule is not resource-feasible.
Resource Levelling Adjust activity dates to remove resource overallocations Project duration or critical path may change.
Priority Rule Determines which competing activity keeps its date Different rules can produce different levelled schedules.
Propagation Successor dates must be recalculated after a shift One resource decision can affect downstream work.
Resource Smoothing Adjust within available float Does not change the critical path or project completion date.
Resource-Constrained Schedule Precedence logic + actual resource availability Represents a schedule that can realistically be executed.
Demand > Capacity → Conflict
Level → Shift and Recalculate
Levelling May Extend Duration