In project management, a schedule contingency (time buffer) is added to the project schedule primarily to handle:
Choose the correct answer
Cost overruns
Risk of duration uncertainty in activities; protects the project completion date against uncertainties in individual activity durations (based on risk register)
Labour disputes only
Design changes only
Correct Answer
B. Risk of duration uncertainty in activities; protects the project completion date against uncertainties in individual activity durations (based on risk register)
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Schedule contingency: added time buffer at end of project (or as activity buffers in CCPM - Critical Chain Project Management) to protect against: weather delays, unforeseen conditions, labour absenteeism, material supply delays. PERT uses 3-point estimates (optimistic, most likely, pessimistic) to quantify duration uncertainty.
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