Through a professional contract the various tasks are given to single specialized companies or to a general one who takes care of divide the different parts to other specialized sub-companies.
The contract bases on specifications regarding clearings, earth movings, drainages, construction of walls for stability, carpaths, bridges, shaping of the holes, irrigation system, bunkers, tees, fairways, rough, greens, and so on...
The accurate prices of the single tasks and of the whole construction will be analised and appropriately compared. So the contract can be established with exact dates of work delivery.