Tenders Are Invited For Sewage-Treatment Plant Construction Work – 3Rd Ba: Adjustment Of Gas Utilization / R ... in Germany

Work Detail

Sewage-Treatment Plant Construction Work – 3Rd Ba: Adjustment Of Gas Utilization / Renewal Of Chp - Lot 31: Construction Technology. Lot 31 Construction Technology Essentially Includes The Detailed Planning, Delivery, Installation And Commissioning Of The Structural Components That Are Required When Expanding The Gas Treatment To Include A Grass Iron Ore Filter And When Renewing The Gas Utilization (Chp System) Of The Osnabrück-Eversburg Sewage Treatment Plant. For The Structural Conversion And Renewal Measures, It Is Necessary To Prepare The Two Existing Buildings At Locations A And B For The New Installation. This Preparation Essentially Includes Demolition Work Of Foundations Outdoors (E.G. Dry Cooler, Exhaust Chimney) And Indoors (Chp Foundation), Surface And Paving Work As Well As The Production And/Or Closure Of Core Drillings And Wall Openings. Furthermore, Surface And Paving Work Must Be Carried Out In The Area Of ​​The New Lawn Iron Ore Filter And The Filters Collision Protection Must Be Installed. The Core Drillings And Wall Openings Required For Connecting The Filter In Two Existing Buildings As Well As A Pipe Trench Must Also Be Created. Gas Processing: The Existing Gas Processing Takes Place Via Two Existing Activated Carbon Filters In The Building [No. 19.5] Gas Filter Should Be Equipped With A New Lawn Iron Ore Filter (Filter Volume: 10 M³) In The Outdoor Area In Front Of The Building [No. 19.3] Gas Distributor Must Be Added. The New Filter Is Installed At A Safety Distance Of ? 6 M To [No. 19.2] Gas Storage Installed And Protected By Impact Protection Bollards Facing The Service Road. The Lawn Iron Ore Filter Is Founded With Piles. The Foundation Takes Place In An Upstream Construction Phase. Gas Utilization: The Concept For Utilizing Digester Gas And Generating Electrical And Thermal Energy In The Sewage Treatment Plant Using Four Chp Modules Remains In Place. Similar To The Existing Ones, The New Chp Modules Will Be Equipped For Operation With Sewage/Digestion Gas And Natural Gas And Will Be Connected To The Respective Network. The Electrical Connection And Integration As Well As Control Of The Chp Modules Are Also Carried Out In The Same Way As The Existing Ones. At Location B (Putrefaction), [No. 20B] Chp Building B, The Existing Two Chp Modules (250 Kwel Each) Will Be Replaced By Two New Chp Modules (Approx. 333 Kwel Each). Similar To The Existing System, The Exhaust Gas Heat Exchangers Are Installed Separately Outside The Modules. The Two Existing Exhaust Chimneys On The Digestion Stair Tower Will Remain In Place. The Common Exhaust Air Ducting Of The Modules Inside The Building Will Be Carried Out Separately In The Future. The Sites Three Double-Wing Gates Will Be Completely Renovated. The Existing Emergency Mixture Coolers (Vertical Installation) Will Be Replaced By More Powerful And Quieter Units (Horizontal Installation) On The Back Of The Building. The Existing Foundation Must Be Dismantled And Replaced With Two New Foundations With An Adapted Paving Area. Wall Openings And Core Drillings Must Be Made For The Supply Line And The Exhaust Air Duct. Additional Structural Noise Protection Measures Are Not Included

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