The Object Of This Contract Is The Execution Of The Works For The Replacement Of The Larner Valve Núm. 1 Of The El Pasteral Catchment Located At The End Of La Cellera De Ter. The Main Actions To Be Carried Out Are The Following: • Replacement Of The Annular Larner Valve No. 1 Dn 1600, For A Globe Valve With A Ductile Cast Iron Body Of The Same Diameter And Inclined Axis. • Replacement Of Elements Upstream Of The Larner Valve: A Disassembly Cart And Gate Valve, And Downstream Of The Larner Valve: A Disassembly Cart. • Supply And Installation Of A Custody Transfer Dn1600 Flow Meter, Downstream Of The Larner Valve. Line No. 2 Of The Catchment Will Remain In Operation At All Times To Be Able To Supply The Etap Ter Plant, And In This Way Guarantee The Supply Of Water To The Municipalities Of The Distribution Network In The North Zone Of Atl. Therefore Line No. 2 Will Remain Operational At All Times, With The Exception Of The Underwater Work Required To Seal Sluice No. 1. These Underwater Works Are Essential To Be Able To Ensure That The Work Area Is Perfectly Isolated From The Waters Of The Reservoir, And Prevent Leaks Or Discharges That Could Affect The Safety Of The People Who Will Work There.

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