Construcción de alcantarillado sanitario consistente en el suministro e instalación de 5,148.00 m. de tubería de P.V.C. serie 20 de 8" de diámetro, 91 pozos de visita tipo común y 50 descargas domiciliarias en el barrio La Constancia en la localidad de Nonoava, municipio del mismo nombre, en el Estado de Chihuahua.

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