Tenders are invited for Expansion And Modernization Of The Sewage Treatment Plant In Domaradz

1. The Subject Of The Contract Is The Execution Of Construction Works Consisting In The Extension And Modernization Of The Sewage Treatment Plant In Domaradz, In The Following Scope: 1) Mechanical Treatment Of Sewage On A Mechanical Sewage Treatment Device /Sand Screen/, 2) Collection (Retention) Of Mechanically Treated Sewage Before The Biological Part In In Order To Compensate For The Unevenness Of Daily Sewage Flows And To Average The Composition And Condition Of Sewage Flowing Through The Sewage System Together With Sewage Delivered In Two Retention Tanks With A Total Capacity Of V = 120 M³,3) Biological Treatment Of Sewage With Activated Sludge In The Sbr System - In Cyclic Reactors With Inflow And Outflow Cyclic Wastewater, With Automatic Control Of The Treatment Process In 5 Phases: 1 - Filling And Mixing, 2 - Reaction (Aeration), 3 - Sedimentation, 4 - Outflow, 5 - Break, 4) The Sbr System Ensures The Removal Of Organic Pollutants In A Biological Process . Grates With Disc Diffusers Are Used For Cyclical Aeration Of Wastewater, And Blowers Are The Source Of Compressed Air,5) Processing Of Sewage Sludge With Separate Aerobic Stabilization.2. The Existing And Planned Basic Technological Equipment Of The Sewage Treatment Plant Includes: The Mechanical Part Of The Sewage Treatment Plant, Which Will Be: - Sewage Pumping Station - Existing - Replacement Of Pumps, - Device For Mechanical Sewage Treatment (Sand Screen) - Existing - Replacement Of The Sand Sieve With A New One Of Appropriate Capacity, - Tank Sewage Retention Tank No. 1 With A Capacity Of 60 M³ - Existing - Replacement Of The Transported Sewage Pump And The Aeration System, - Sewage Retention Tank No. 4 X 15 M³ = 60 M³ - Existing - Replacement Of Pumps. V Uż = 70 M³ Each, Including: 4 Newly Designed Sludge Part Of The Sewage Treatment Plant, Which Will Be: - Sto Sludge Aerobic Stabilization Reactor With A Capacity Of User Vuż = 70 M³ - Existing - Replacement Of The Aeration System, - Sto Sludge Aerobic Stabilization Reactor With A Capacity Of User Vuż = 70 M³ - Replacement Of The Existing Sbr (Adaptation), - Belt Press For Sludge Dewatering - Existing - Replacement With A New Screw Press, - Sludge Collection Station Under The Shelter - Existing The Scope Of Expansion Includes: - Renovation Works In The Technical Building Necessary To Dismantle The Old And Install New Equipment, - Expansion Of The Existing Sewage Treatment Plant Building For The Purposes Of Installing New Sbr Reactors And The Sto Tank, - Construction Of Technological Pipelines, Construction Of Necessary Technological Installations, Making Connections To The Existing Technological Pipeline, - Expansion Of The I&C System, Electrical Installations.