surveillance system./ delivery of materials and spare parts for the implementation of sites and repair of alarm and security systems and video surveillance systems in designated positions./ the subject of the order is the supply of materials and spare parts for the implementation of s and the repair of alarm and security systems and video surveillance systems, grouped in the following separate items: no. 1: delivery of parts and components for video surveillance with night vision for an outsourced educational center kurdzhali; no. 2: delivery of parts and components for the repair and expansion of a security and video surveillance system for the sofia police department; no. 3: delivery of spare parts and components for video surveillance for bu plovdiv; no. 4: supply of spare parts and materials for maintenance, repair and expansion of signaling and security equipment and equipment for physical protection for the "yak"; no. 5: delivery of materials for the repair of communication lines to the security post of the iskar dam for the "yak"; no. 6: delivery of materials for the maintenance of the physical protection systems at the belene site for the needs of the "security" management. the technical requirements for deliveries and the conditions for the fulfillment of the order are described in the technical specifications for each of the individual items.