WORKS CONSULTANCY SERVICE FOR THE PREPARATION OF THE TECHNICAL FILE OF THE PROJECT: IMPROVEMENT, EXPANSION OF DRINKING WATER AND SEWAGE SERVICES OF THE MARANKIARI POPULATION CENTER, DISTRICT OF SATIPO, PROVINCE OF SATIPO - JUNIN. - HIRING OF THE WORKS CONSULTANCY SERVICE FOR THE PREPARATION OF THE TECHNICAL FILE OF THE PROJECT: IMPROVEMENT, EXPANSION OF THE DRINKING WATER AND SEWAGE SERVICES OF THE MARANKIARI POPULATION CENTER, DISTRICT OF SATIPO, PROVINCE OF SATIPO - JUNIN, WITH CUI N° 2331401. (EXPIRED)