XALOSTOC


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,



YEAR 1997

Pipe Installation with the construction of central collector, in Xalostoc, Ecatepec, Mex State. in a distance of 2,400.00 meters, built using tuneleo method and conmcrete reinforced pipe sunk 244 cm. nominal diameter and 290 cm. external diameter with mechanic shield with digger and push system using telescopic hidraulic jack two steps capacity with a push force of 800 short tons, and light-shaft construction with using az machiembrado profile, this pipe was settle from February to December 1997; installed for Water and Reparation Commission, mexico State.using a contract of A. in P. with National Contractor Company, CORP. of C.V.


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