Tenders Are Invited For Construction Work – Modernization Of The Widzew-Wschód Pumping Station

Construction Work – Modernization Of The Widzew-Wschód Pumping Station. The Subject Of The Order Is The Execution Of Construction Works As Part Of 4 Investment Tasks: Task 1 Replacement Of Pressure Pumps In The Widzew - Wschód Pumping Station. The Scope Of Work Includes The Modernization Of The Pumping Station Pumping Water Through Two Dn800 Mains To The Municipal Network. The Investment Task Is Expected To Include, Among Others: 1) Disassembly And Liquidation Of Pumping Units Together With Pumping Pipelines, 2) Installation Of New Pumping Units Together With New Pumping Pipelines, 3) Dismantling Of Dn800 Orifices In The Orifice Chambers Built On Dn800 Pressure Pipelines, 4 ) Installation Of Electromagnetic Flow Meters In The Orifice Chambers, 5) Replacement Of A Fragment Of The Existing Water Supply Installation In The Pump Hall, 6) Dismantling Of The Existing Rs 1 Switchgear Installed In The Pump Room Building Along With Electrical, Control, Communication And Automation Devices (Including Plc Controller, Operator Panel With Software), 7) Installation Of A New Rs 1 Switchgear In The Pumping Station Building Along With Electrical, Control, Communication And Automation Devices (Including Plc Controller, Operator Panel With Software), 8) Modernization Of The Rgnn Switchgear In The Field Of Fields Supplying Rs 1, 9 Switchboards ) Installation Of Two New Flow Meters, 10) Replacement Of Transformers As Part Of The Modernization Of The Mv Installation. Task 2 Modernization Of Technological Pipelines In The Gate Valve Chamber Of Expansion Tanks At The Widzew - Wschód Pumping Station In Terms Of Installation Of Automatic Diaphragm Valves With A Two-Chamber Actuator On The Water Inlet Pipelines To Ensure A Constant Water Level In The Tanks. The Investment Task Includes The Following: 1 ) Disassembly Of By-Pass Pipelines On The Supply Pipelines, Plugging The Outlet Stubs, 2) Installation Of New Dn200 By-Passes On The Supply Pipelines, Equipped With Automatic Dn200 Diaphragm Valves With A Two-Chamber Actuator, Ensuring A Constant Water Level In The Tank, 3) Disassembly Of The Existing Dn600 Damper In Order To Turning It Due To The Collision Of The Drive With The By-Pass Pipeline, 4) Reconstruction Of The Dn600 Drain Pipelines In Terms Of Replacing The Double-Flange Stub Pipes. Task 3 Modernization Of The Technological Network Conduit System At The Widzew - Wschód Pumping Station By Installing An Automatic, Two-Chamber Pressure Control Valve On The Dn300 Link Between The Dn600 And Dn800 Pipelines The Investment Task Includes The Following: 1) Dismantling And Liquidation Connecting Pipeline With One Dn300 Earth Gate Valve, 2) Construction Of A Chamber With A Diameter Of 3.00 M For The Designed Clamp With A Dn300 Membrane Control Valve, 3) Assembly (Construction) Of A New Dn300 Clamp With A Dn300 Membrane Control Valve, Equipped With A Two-Chamber Actuator In The Designed Chamber, 4) Construction Of A Chamber With A Diameter Of 1.50 M For A Dn300 Butterfly Valve With A Manual Gear, 5) Assembly (Construction) Of A Dn300 Pipeline With A Dn300 Butterfly Valve With A Manual Gear In The Designed Chamber. The Solution Will Be A Bypass For The Duration Of Operation