The implementation of the project will achieve the expansion of the coverage area of the system in the maritime areas of the north and south, through the construction of two new sites and the upgrading of the transmission telecommunications infrastructure. The beginning of the project is the signature of Contract No IED-23 of 27.02.2017. The implementation is foreseen to be 30 months through 7 interconnected activities:1. Analysis of the existing state of the art in BIP and system and physical design; 2. Implementation: Construction installation activities in connection with the construction of information communication infrastructure; Supply of equipment, installation and integration, including implementation of specialised software; Settings and commissioning; 3.Tests for acceptance of the system in real operation; 4.Personnel training and finalisation and reporting; 5.Construction supervision, 6.Measures for publicity, information and communication;7.Project management. Provision of IT system and communication equipment, hardware software for information infrastructure: Radar, FRL, AIS and VHF equipment; Weather stations; Thermal/video cameras.This project builds on projects implemented in the period 2000-2015 (pilot project, first, second and third phases). During its implementation, it is intended to supply and install equipment on sites of the infrastructure built from the first three phases of VTMIS. The need for technological improvement and expansion of VTMIS is due to the rapid development of technologies and insufficient coverage of the sea areas of the Republic of Bulgaria.