Construction Planning and Management
The part of a derrick crane include
(i) Mast
(ii) Boom
(iii) Bull wheel
(iv) Jackwhich of these statements are correct?

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

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

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