THIS PROJECT CONSISTS OF: THE CRITICAL IMPORTANCE OF THE EXECUTION OF A DIMENSIONED DRAWING, THROUGH A MULTI-BEAM OR MULTIBEAM ECHOGRAPHY, OF THE STATE DE FACTO OF THE AREA AFFECTED BY THE WRECKS AND ARCHAEOLOGICAL OBJECTS ON THE UNDERWATER SITE, IN THE RELIEF BY MEANS OF THE COVERAGE OF THE FULL FREQUENCY OF THE DIFFERENTIAL GPS SYSTEM AND THE NAVIGATION AND DATA ACQUISITION SOFTWARE, AND DATA ACQUISITION, STATISTICAL SURVEY (UNDER THE FLOAT) IN SUCH A WAY AS TO DETECT ANOMALIES ALSO BELOW THE CURRENT SHARE OF THE SEABED. THE COLLECTED DATA, BOTH ON PAPER AND IN PAPER FORM AND WITH THE FILES, ARE IN PAPER FORM AND WITH THE FILES. THE FOLLOWING SHALL ALSO BE INCLUDED: THE USE OF VESSELS TO ASSIST POSITIONING WORKS SUITABLE FOR WORKING AND IN ACCORDANCE WITH THE LEGISLATION IN FORCE, INCLUDING INSURANCE, THE WORK OF UNDERWATER OPERATORS AND UNDERWATER ARCHAEOLOGISTS, WITH STATUTORY AUTHORISATIONS, FOR ASSISTANCE DURING DETECTION, THE USE OF COMPRESSORS FOR FADN