"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.
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