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The addition time in which non-critical activity can consume without increasing the project duration and known as: Where, EFT - Earliest finish Time, LFT - Latest finish Time, LST - Latest start time.

The addition time in which non-critical activity can consume without increasing the project duration and known as: Where, EFT - Earliest finish Time, LFT - Latest finish Time, LST - Latest start time. Correct Answer Total Float = (LST - EST) or (LFT - EFT)

Concept:

Independent float is the time by which starting or finishing of an activity can be delayed without affecting the total float of its proceeding and succeeding activity.

It does not affect the start of succeeding activity i.e. following activity.

It does not affect the latest completion of preceding activity.

It only affects concerned activity.

Mathematically, it is given by:

FID = total float – head event slack – tail event slack

Other types of floats:

1. Total float: It is the time by which starting or finishing of an activity can be delayed without affecting the schedule completion period of a project. It affects both succeeding and proceeding activities.

Mathematically, it is given by

Ft = LST - EST or Ft = LFT – EFT

EST = Earliest Start time

EFT = Earliest Finish time

LST = Latest Start time

LFT = Latest finish time

2. Free float: In this only proceeding activity is affected and it is given by:

Ff­ = Ft – head event slack

3. Interfering float: It is just another name given to head event slack.

Related Questions

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