"Reconstruction Of The Kl-10Kv Substation Graviton K.18, K.50 - Tp-615 Is., Iis In The City Of Chernivtsi, Chernivtsi District" (Guided By The Estimating Standards Of Ukraine "Guidelines For Determining The Cost Of Construction"; Code 45231000-5 Construction Of Pipelines, Lines Communication And Power Transmission According To Dk 021:2015 "Ezs")