Reconstruction and rehabilitation of a street water supply network in the village of Bistra and the village of Kutlovitsa, Municipality of Alphar, Silistra Region, by lots: lot No 1 Reconstruction and rehabilitation of a street water supply network in the village of Bistra, Municipality of Alphar lot No 2 Reconstruction and rehabilitation of a street water supply network in the village of Kutlovitsa, Municipality of Alphar