The cost of fixed assets, for example, which in the first study had to be roughly estimated according to the rules and techniques of cost engineering, can now be obtained through direct consultation with potential suppliers, since the main dimensions and characteristics of the construction have been attributable in the preliminary work. The cost of fixed assets, for example, which in the first study had to be roughly estimated according to cost engineering rules and techniques, can now be obtained through direct consultation with potential suppliers, since the main dimensions and construction characteristics have been attributable in the preliminary work.