Construcción de sistema de alcantarillado sanitario consistente en el suministro e instalación de tubería de PVC con junta hermética de 20 y 25 cms. de diam. para red de atarjeas y emisor respectivamente, con pozos de visita y cruce de carretera en la localidad el Vergel (Ejido el Vergel), municipio de Balleza, en el estado de Chihuahua

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