Construccion de 38,885 m2 de piso firme de concreto hidraulico de f'c=150 kg/cm2 de 8 cms. de espesor, armado con malla electrosoldada, en diversas localidades de los municipios de San Jacinto Tlacotepec, San Lorenzo Texmelucan, Santa Marýa Zaniza y Santiago Minas, distrito de Sola de Vega, Oax.

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