Supervision Work Improvement And Extension Of The Drinking Water And Sewer Service And Creation Of The Wastewater Treatment Plant In The Localities Of Centro Santa Rosa Canchapata And Yanaccocha Del C.P. De Pampas Constancia - Supervision Of The Work: Improvement And Extension Of The Drinking And Sewer Water Service And Creation Of The Waste Water Treatment Plant In The Locations Of Centro, Santa Rosa, Court And Yanaccoch