Pre -Mixed Concrete Acquisition Fc = 280 Kg/Cm2 For The Bridge Renewal Project; In The Tacasi Bridge; On The Neighborhood Road Route No. Cu-1344, Emp 117 Trajectory (Abra Callacunca) -Emp. Cu 117 (Bridge), On The Cachimayo River District Of Acco - Acquisition Of Pre -Mixed Concrete Fc = 280 Kg/Cm2 For The Bridge Renewal Project; In The Tacasi Bridge; On The Neighborhood Road Route No. Cu-1344, Emp 117 Trajectory (Abra Callacunca) -Emp. Cu 117 (Bridge), On The Cachimayo Rio District Of Acomayo, Acomayo Province, Cusco Department.