Construction Planning and Management
The first method invented for planning projects, was

Bar chart method
Critical path method (CPM)
Milestone chart
Programme Evaluation and Review Technique (PERT)

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Construction Planning and Management
Batching refers to

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

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Construction Planning and Management
At a work site, statistical quality control of concrete means

Reduction in costs for the removal of defects
Measurement of risks to eliminate failures
Reduction in wastage of inspection costs
Applying the theory' of probability to sample testing or inspection

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Construction Planning and Management
Free float is mainly used to

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

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