Construction Planning and Management
In India, are prefabricated components costlier than those of traditional cast-in-situ items that the prefabricated components replace?

Yes, because of heavier overheads and handling cost
No, because of repetitive manufacture of a number of elements
No, because of savings in site labour
Yes, because of the very high order of quality control for the factory made components

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

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

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