bulgaria-sofia: alarm-monitoring services./ security with technical means (sot and video surveillance), including response with live force for sites on the territory of umer sofia region, kyustendil department with two separate positions./ the subject of the public procurement includes the following main activities, divided into two separate positions, as follows: op no. 1: security with technical means (sot and video surveillance), including a response with manpower for: station marek, station bobov dol and station babino and op no. 2: security with technical means (sot and video surveillance), including response with manpower for: skakavitsa substation, kyustendil substation, pautalia substation and umer administrative building, sofia region, kyustendil department