Construction Planning and Management
Frequency distribution curves

If symmetrical, are called normal curves
All listed here
If not symmetrical, are called skew curves
Having a single lump, are called uninodal curves

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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 soil survey, traffic survey, concept design and approximate cost
The several alternatives of the project that have been considered

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