Tenders Are Invited For Modernization Of Water Supply Infrastructure In The Piszczac Commune- Modernization Of The Water Treatment Plant

4.1.The Subject Of The Order Is The Reconstruction Of The Water Treatment Plant In The Town Of Piszczac, Plot No. 267, 268, Registry District 0018 Piszczac Osada, Unit. Id No. 060111_4 Piszczac City, As Part Of The Project: Modernization Of Water Supply Infrastructure In The Piszczac Commune.4.2.Current Status: The Building Undergoing Reconstruction Is A Detached, Single-Story Building, Made Using Traditional Brick Technology. The Maximum External Dimensions Of The Building Are 12.95 X 19.73 M. The Gable Roof Is Covered With Felt. The Building Contains The Following Rooms With A Total Usable Area Of ​​207.00 M²: Technology Hall, Communication, Toilet, 3 Storage Rooms, Chlorination Room, Electrical Switchboard/Duty Room. The Water Intake For The Waterworks Consists Of Two Deep Wells: Well No. 1 (Emergency) And Well No. 2 (Basic). Raw Water Tests Showed That The Concentration Of Iron And Manganese And Turbidity Were Exceeded.4.3.Intentions For The Works Performed: Pump Operation Will Be Controlled Using A Control Cabinet In The Suw Building. Submersible Pumps In The Well Will Be Controlled Depending On The Water Level In The Storage Tanks. As Protection Against Dry Running, Submersible Pumps Will Be Equipped With Sensors And Additionally Hydrostatic Water Table Probes (Continuous Measurement Of The Water Table). The Designed Water Treatment Technology For The Piszczac Wwtp Will Require The Removal Of Iron And Manganese. For This Purpose, Aeration And Filtration Processes Through A Sand And Catalytic Bed Were Selected. For The Dimensioning Of The Station, The Maximum Target Efficiency Was Assumed, I.E. Q = 100.0 M³/H.4.4.The Scope Of The Order Includes The Performance Of Construction Works, Including: 1.Preparatory, Dismantling And Demolition Works - Dismantling The Existing Suw Technology, Piping, Fittings And Filter Beds; Demolition Of Indicated Wall Fragments, Demolition Of The Chimney Above The Roof And Dismantling Of Existing Roofs.2.Modernization Of Water Treatment Technology - Replacement Of 6 Filters, Installation Of 2 Aerators, A Static Mixer And New Filter, Iron And Manganese Removal Beds, Along With Foundations And Supports For The Devices.3.Modernization Of Pumping Equipment And Deep Wells - Replacement Of 2 Deep Well Pumps With Pressure Piping, Rinsing, Pumping And Monitoring Of 2 Wells; Installation Of The Flushing Pump, Second Stage Pump Set And Inverters.4.Construction Of A Compressed Air Installation - Installation Of Compressors, Blowers, Pneumatic Switchgear, Cables And Fittings.5.Construction Of A Water Disinfection Installation - Installation Of A Sodium Hypochlorite Dosing Kit And A Uv Lamp.6.Replacement Of Pipelines And Technological Fittings - Construction Of Pipelines From Acid-Resistant Steel And Polypropylene, Installation Of Fittings And Measuring Equipment And Connection To Existing Installations.7.Implementation Of Automation And Monitoring Of Water Quality - Installation Of An Automation Cabinet, Connection Of Technolo