A note on activity floats in activity-on-arrow networks

T Zhao () and Tseng C-L
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T Zhao: College Park
Tseng C-L: College Park

Journal of the Operational Research Society, 2003, vol. 54, issue 12, 1296-1299

Abstract: Abstract In project scheduling, the free float (slack) of an activity represents the leeway for scheduling the activity without affecting any subsequent activity. In the context of activity-on-arrow (AOA) network representation, textbooks on project management, based on our survey, have for decades been using a popular formula to calculate free floats that may lead to erroneous results in the presence of dummy arcs. In this note, we present a correct version of the formula. Extensions of the proposed formula to other floats such as safety float and interference float are also discussed.

Keywords: project management; critical path method; floats; activity network (search for similar items in EconPapers)
Date: 2003
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DOI: 10.1057/palgrave.jors.2601636

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