Construction Planning and Management
Free float is mainly used to

Identify the activities, which can be delayed without affecting the total float of succeeding activity
Identify the activities which can be delayed without affecting the total float of preceding activity
Identify the activities which can be delayed without affecting the total float of either the preceding or succeeding activities
Establish priorities

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Construction Planning and Management
Sinking fund is

Raised to meet maintenance costs
The total sum to be paid to the municipal authorities by the tenants
The fund for rebuilding a structure when its economic life is over
A part of the money kept in reserve for providing additional structures and structural modifications

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