Construction Planning and Management
Latest start of an activity is always

less than latest event time of preceding node
equal to latest event time of preceding node
greater than or equal to latest event time of preceding node
less than or equal to latest event time of preceding node

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

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

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