Tenders Are Invited For Engineering Services – Markt Freihung - Sewage Treatment Plant, Planning Services For Building Planning, Engineering Structures, Technical Equipment And Msr Technology

Engineering Services – Markt Freihung - Sewage Treatment Plant, Planning Services For Building Planning, Engineering Structures, Technical Equipment And Msr Technology. The Freihung Sewage Treatment Plant Is A Mechanical-Biological Sewage Treatment Plant With Further Cleaning With A Nominal Expansion Size Of 3,000 Inhabitants, To Which Around 2,200 Natural Residents Are Currently Connected. In Addition To The Freihung Market Itself, The Towns Of Elbart, Seugast, Weickenricht, Thansüß And Tanzfleck Are Connected. The Catchment Area Is Predominantly Drained Using A Mixed Method. The Water Permit For The Freihung Sewage Treatment Plant Currently Includes A Bsb5 Load (Raw) Of 180 Kg/D, A Dry Weather Discharge Of 715 M³/D Or 66 M³/H And A Mixed Water Discharge Of 126 M³/H. The Vils Serves As The Receiving Water (Water Body Of The Second Order). The Freihung Sewage Treatment Plant Was Built In 1976 And Upgraded In 1999 With The Construction Of A New Combination Tank. In 2004, The Mechanical Wastewater Treatment Was Renewed Using A Compact System And Sand Scrubber. The Sewage Treatment Plant Is Overloaded Hydraulically And In Terms Of Dirt Loads And Parts Of The System No Longer Correspond To The State Of The Art. The Combination Pool Is Structurally In Poor Condition And No Longer Worthy Of Renovation. For The Renovation And Upgrading Of The Freihung Sewage Treatment Plant, Two Variants Were Compared In A Preliminary Draft (New Construction Of A Combination Tank And New Construction Of A 2-Lane Aeration Tank With A Separate Secondary Clarification Tank). The Market Town Council Was In Favor Of Building A New 2-Street Aeration Tank With A Separate Secondary Clarification Tank And, Taking Into Account A Future Connection To The Großschönbrunn/Kleinschönbrunn Districts, For A Future Expansion Size Of 4,300 Ew60. The Quality Of The Process Must Meet The Values ​​Of Requirement Level 3 In Accordance With Lfu Leaflet No. 4.4/22, No. 2.2.1, Table 2, Size Class 2. In Addition, A Limit Of 2 Mg/L Must Be Adhered To For The Monitoring Value Pges. The Future Dry Weather Runoff Was Determined To Be 753 M³/D Or 57.8 M³/H, The Mixed Water Runoff To Be 177 M³/H. The Necessary Renovation And Upgrading Measures For The Sewage Treatment Plant Include: • Renovation/Upgrading Of Storm Overflow Basin • Renovation/Upgrading Of Inlet Lifting Station • New Construction Of A 2-Lane Aeration Tank With Renovation Of The Blower Station • New Construction Of Secondary Clarification Tank • New Construction Of Return Sludge Pumping Station • New Construction Of A Tank And Dosing System For Phosphate Precipitation • New Construction Of A Silo And Dosing System For Alkali Dosing • New Construction Of Drain Structure With Measuring Device • New Construction Of Drain Pipe And Outlet Structure Into The Vils (Relocation Of Discharge Point) • Renovation/Upgrading Of Sludge Storage Basin Including Turbid Water Extraction • Renovation/Upgrading Of Turbid Water Storage • Renovation, Conversion And Expansion Of The Company Building • Renewal Of The Switching And Control System Including Process Control System • Decommissioning Of The Combination Tank • Conversion Of The Outbuilding Into A Storage Room With Dismantling Of The Blower Station And Bisar Reactor • Construction Of A Stationary Sludge Dewatering System • Renewal Of The Water Connection And Construction Of A Service Water System With Distribution System • Renewal Of The Outdoor System, Lighting