Trabajos diversos de conservación de deshierbe del derecho de vía pintura en guarniciones bordillos barandales parapetos pintura en defensa metálica señalamiento horizontal vertical defensa metálica etc. en 5 puentes 20 P.I.VS. 16 P.S.VS. 2 P.I.PS 2 P.S.PS. 3 P.S.G. 3 alcantarillas y 1 tunel de la Autopista federal de cuota Chamapa - Lechería

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