Ghorab & Co. sees claims management as a whole set of tasks which lead to achieving a better economic result out of the construction contract. It consists, among others, of the identification of the circumstances, valuation of costs and of impact on the schedule, definition of the position of the parties, justification of the position, collection and protection of evidence, decision making, mathematical analysis of the consequences of decisions; ordering private expert opinions; the identification of useful witnesses; preparation of valuable notes or protocols. Claims management is an interdisciplinary branch of knowledge – connecting engineering, economic and legal competences.