YEAR 1996


"Collector Carlos B. Zetlna", to Xalostoc station, Ecatepec Mexico State., subcontracted for National Contractor Company, S.A of C.V. for the Water and Reparations Commission of mexico State.Tuneleo method and hidromechanic push system Akkerman light construction with the help of az profile machiembrado, during the month of August 1996.



Construction of the "Collector Vicente Villada, in City Nezahualcoyotl, Edo. of Mex. in a distance of 1,734.27 meters, built by tueleo method and pipe sunkof having reinforced of 213 cm. of diameter nóminal and of 254 cm of external diameter with mechanical shield excavating type, and light-shaft construction using az machiembrado profile, the period it was executed from september 1996 to May of 1997, this work was subcontracted through "Manufacturer Servicon, S.A of C.V"., for of Water and Reparation Commission, Mexico State.



sewerage, shields, pipe, tunnels, microtunnels, sheet piling, tube, driving, openings, recondition, drainage, thrust, cofferdams, collector, drilling, excavation