Construction Planning and Management
In the given figure, the network of a project represents

Activity of excavation which takes 8 units of time
Activity of an excavation which starts at event No. 1 and ends at even No. 2
Activity of an excavation of a footing
None of these

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Construction Planning and Management
Preliminary project report for a road project must contain

The contract documents for inviting tenders
The detailed estimated cost based on detailed design
The several alternatives of the project that have been considered
The soil survey, traffic survey, concept design and approximate cost

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

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