“Care Building Services” LLC implemented the reconstruction of drinking water supply systems of Mets Masrik and Verin Getashen communities of Gegharkunik region. The mentioned activity included conduction of water lines from water source to feeding line of a daily regulating reservoir, due to complex landscape conditions implementation of dumbing chambers and air removal wells, reconstruction and improvement of local water supply network including installation of water lines, construction of water wells, and construction of connections to feeding of housing water lines. The main challenges of the mentioned project rose because of the severe weather conditions and remoteness of the construction site. Notwithstanding these difficulties, we have managed to implement works according to all requirements.