Construction Planning and Management
Free float is mainly used to

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

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Construction Planning and Management
Batching refers to

Controlling the quantity of each material into each batch
Controlling the total quantity at each batch
Weighing accurately, the quantity of each material for a job before mixing
Adjusting the water to be added in each batch according to the moisture content of the materials being mixed in the batch

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Construction Planning and Management
Mobilization advance up to 10% of the cost of work is given to a contractor

For the purchase of construction materials
On commencement of work at site for payment of loan taken by him
For the payment of advances to labour and other staff
For all activities required to start the work at site on finalization of the contract document

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