Conservation, maintenance, rehabilitation and adaptation of aqueducts. Rehabilitation and repair of leaks of the Tláhuac Aqueduct, Federal District..
Conservation, maintenance, rehabilitation and adaptation of aqueducts. Rehabilitation and repair of leaks of the Tláhuac Aqueduct, Federal District.
Supply and installation of high density polyethylene (HDPE) pipe 48 "(1,219.2 mm) in nominal diameter, PE 4710 resin; RD 32.5 (PE3408; RD26) in accordance with the standard NMX-E-018-CNCP-2012; AWWA C906 for a maximum operating pressure of 4kg / cm2.
Supply and installation of an adapter for pre-stressed concrete pipes ICHSA brand 48 "nominal diameter, based on ASTM A36 carbon steel and concrete coating according to NORM NMX-C-253-ONNCCE-2014, for a working load of 150 mca, useful length 1.00 m, end flanged by smooth end.
Supply and installation of mechanical seal type DRESSER, 48 "diameter, based on ASTM A36 carbon steel and design load 150 m.c.a., useful length 60 cm.
Supply and installation of STUB-END type flange, manufactured on the basis of high density polyethylene (HDPE) of 48 "(1,219.2mm) of nominal diameter, specification PE 4710; RD-32.5, (PE3408; RD26) according to the standard NMX-E-018-CCNCP-2012 for a maximum operating pressure of 4kg / cm2, thermofusable at one end.
Supply and installation of metal counterflange based on ASTM A536 carbon steel, class 125 lbs of 48 "nominal diameter.
Supply and installation of 48 "nominal diameter bayonet based on astm a53 grb steel pipe, with effective length of 5.00 m and 3/8" thickness, flanged ends with 100% solid polyurethane AWWA C222 coating white, includes; two elbows 48 "x 45 degrees and 3/8" thick.
Monitoring of leaks 24/7 during a period of 2 months by means of a fixed acoustic device placed in accessories by means of TAPPING.
Monthly partial report and final report.