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Practical tools and plain-English explanations for owners, contractors and project teams.
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See how we present a baseline schedule, critical path, data date and schedule health check — using a fictional office building project.
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Glossary
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The longest chain of dependent activities; any delay to it delays completion.
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How long an activity can slip without delaying project completion.
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The approved plan that progress is measured against.
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The date up to which progress has been recorded in a schedule update.
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The budgeted value of work actually completed.
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Schedule and cost performance indices; below 1.0 means behind schedule or over budget.
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Modelling a delay event in the current schedule to measure its effect.
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A small network of activities inserted into a schedule to represent a change or delay.
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Simulation of many possible outcomes to estimate the probability of meeting dates and budgets.
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The date or cost with a 50% or 80% chance of being achieved.
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A short-term (usually 3-week) schedule used to coordinate field work.
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A widely used set of checks for schedule quality, such as missing logic and constraints.
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