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 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
Crash project duration is obtained by summing the

Normal durations for all the activities
Crash durations for all the activities along the critical path obtained by taking into account the crash duration for all the activities
Crash durations for all the activities along the critical path obtained by taking into account the normal duration for all the activities
Crash durations for all activities

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Construction Planning and Management
Output of a bulldozer is (i) Increased if drawbar HP of the tractor is increased for a given hauling distance (ii) Decreased if drawbar HP of the tractor is increased for a given hauling distance (iii) Increased if the hauling distance is increased for a given drawbar HP of the tractor (iv) Decreased if the hauling distance is increased for a given drawbar HP of the tractor

(i) and (iv) are correct
(ii) and (iv) are correct
(ii) and (iii) are correct
(i) and (iii) are correct

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