Construction Planning and Management
Sinking fund is

A part of the money kept in reserve for providing additional structures and structural modifications
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

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Construction Planning and Management
Whenever an activity has zero total float, then

Independent float must be zero but free float need not be zero
Free float of the activity must be zero but independent float need not be zero
Free float and independent float both need not be zero
Free float and independent float both must be zero

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