SUPPLY AND INSTALLATION SERVICE OF PVC 6 HDPE 6 PIPE AND PRESSURE BREAK CHAMBER IN THE CONDUCTION AND ADUCTION LINE IN THE EXECUTION OF THE BALANCE OF WORK EXPANSION AND IMPROVEMENT OF DRINKING WATER AND SEWAGE SERVICES IN THE URBAN AREA OF SANTO DOMINGO, SAN CARLOS , SAN JOSE AND NUEVA BERNA AND CHURUMAZU, DISTRICT OF CHONTABAMBA - OXAPAMPA REFORMULATED AND UPDATED I STAGE-PERIOD 2022 (EXPIRED)