According to the European Directive 93/38/EU, amended with the Directive 98/4/EU, co-ordinating the procurement procedures of entities operating in the water, energy, transport and telecommunications sectors, a qualification system of construction and maintenance trackworks contractors, which considers the specific railway problems is required and should be object of a standard project , which should have the scope to determine: - Procedures for qualification and validity; - Requirements for qualification; a) Administrative and legal; b) Financial; c) Technical; d) Quality; - Classification by type of work; - Classification by size of contract.
