Tenders Are Invited For International Public Tender Refª 05/2023 - Construction Of Hydraulic Infrastructures For The Freixiel Hydroagricultural Development - Redonda Das Olgas Dam

International Public Tender Refª 05/2023 - Construction Of Hydraulic Infrastructures For The Freixiel Hydroagricultural Development - Redonda Das Olgas Dam. A) Construction Of An Embankment Dam With A Core Consisting Of A Bituminous Concrete Curtain; Maximum Height Above The Ground 24.00 M And The Foundation 26.00 M; Crown Length 360 M; Labyrinth Type Flood Spillway, And Burec Type Iv Dissipation Basin; Tower With 2 Intake Levels, With The Hydraulic Circuits For The Water Intake Partially Common To The Bottom Discharge, And Consisting Of: Two Holes (The First With Threshold At Elevation 465.50 M And The Second At Elevation 473), With Dimensions Of 0.80 X 1.00 M2 (Lxh); To Fill Each Hole, A Wagon Gate Will Be Installed, Driven By A Servomotor Installed At The Top Of The Tower, At Elevation 481.50 M; Upstream, A Protective Metal Grid Will Be Installed, Where Using The Same Fixed Parts A Cofferdam Gate Can Be Installed For Maintenance Operations On The Main Water Intake Gate; Dn700 Steel Pipeline And Approximately 107 M Long, Common To The Bottom Discharge; Derivation For Dn700 Conduit For Future Connection To The Irrigation Network; This Circuit Also Includes A Dn700 Butterfly Valve And A Dn700 Ultrasonic Flow Meter. B) Supply And Assembly Of The Respective Dam Safety And Operation Bodies; C) Construction Of The Access Road To The Dam (1,084 M), The Maneuvering Chamber (278 M) And The Restoration Of Accessibility (1,868 Km).