guard services./ "24-hour, physical, unarmed security of the administrative buildings of the pleven office at the td of the nra veliko tarnovo, located in the city of pleven, doiran street no. 43 and vasil levski street no. 152"./implementation of round-the-clock physical unarmed security of the administrative buildings of the pleven office at the td of the nra veliko tarnovo, located in the city of pleven, doiran street no. 43 and vasil levski street no. 152 on working days, weekends and holidays. provision of access control only on working days from 9:00 a.m. to 5:30 p.m. at the two entrances to the administrative buildings of the pleven office, located in the city of pleven, doiran st. no. 43 and "doiran" st. vasil levski" #152.