Works for the replacement of 60 meters of reinforced concrete pipe by high density polyethylene (HDPE) pipe 48 "in diameter. 13 + 000 to 13 + 060 of the Tláhuac-Nezahualcóyotl System.

                            

Supply and installation of a 48 "diameter butterfly valve in the Tláhuac-Nezahualcóyotl System.

                            

Materials, design and construction of 3 valve boxes were supplied for the protection of the accessories of the branch.

                            

Emergency work to repair pipe by decoupling the joint with metal saddle repair 48 "diameter pre-stressed concrete (PCCP) 48" diameter in the Tláhuac - Nezahualcóyotl System ..                             

Emergency work to replace 2 collapsed tubes 48 "in diameter due to structural failure in the Tláhuac - Nezahualcóyotl System.

                            

Demolition of the pipe in sections, extraction outside of the pit and removal of segments of pre-stressed concrete pipe 48 "in diameter resulting from the demolition of pipes of 5.00 m in length.

                            

Installation of concrete closure of 1,200 mm (48 ") diameter, with sliding hoods, composed of three special pieces, to give a total length of 5.0 m of the brand of pipe COMECOP, composed of two concrete adapters of spike x spike , bell x spike and a central spool with sliding bells for a working pressure of 150 mca, including radial outlet of 24 "diameter, with a tube length of 60 cm and flange of the same diameter, with flanged reduction of 24" to 10 " , with blind cover.

                            

Supply and installation of a 48 "sectioning valve in the Tláhuac - Nezahualcóyotl System line at the entrance to the Caldera Tank.

                            

Forensic analysis of the prestressed concrete pipes replaced.