Piso Firme de concreto hidrýulico f'c= 150 kg/cm2 de 8 cms. de espesor, acabado con llana; incluye: preparaciýn de la superficie, arena limpia, grava de la regiýn T.M.A. 1 1/2", nivelaciýn, compactaciýn, cimbrado comýn, colado, vibrado y curado, acarreo de los materiales hasta el lugar de la ejecuciýn de la obra, herramienta, maquinaria, equipo y mano de obra, P.U.O.T.; a realizarse en diversas localidades del municipio de Xalpatlýhuac, en el Estado de Guerrero.

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