Tenders Are Invited For Sewerage Work – Underground Pipe Renovation (Kg 410)

Sewerage Work – Underground Pipe Renovation (Kg 410). The Museum Of Hamburg History At Holstenwall 24 In Hamburg Was Built Between 1914 And 1922 And Is A Listed Building. As Part Of The Current Construction Project, The Exhibition Areas Are Being Fundamentally Renovated And Restructured, As Well As The Technical Building Equipment Being Renewed. The Building Includes The Following Main Uses: Lower Ground Floor: Functional And Storage Areas, Workshops, Restoration Rooms, Office Space, Depots, Kitchen And Technical Areas (Heating/Cooling, Air Conditioning, Plumbing, Electrical). // Ground Floor: Areas For Special And Temporary Exhibitions, Gastronomy With Kitchen, Foyer, Shop And Event Area.//1. And 2Nd Floor: Areas For Exhibitions And Administration Rooms //Attic: Further Exhibition Areas, Administration Areas, Storage And Workshop Rooms. The Construction Will Take Place In Two Construction Phases. Kg 410 Ground Pipe Renovation: As Part Of The Construction Project, The Existing Property Drainage System Must Be Comprehensively Renovated. Drainage Continues To Take Place In The Separation System For Dirty And Rainwater. Due To Damage And Leaks Found In The Pipes Examined, The Property Drainage System Needs To Be Renovated. The Measure Includes The Renovation Of The Wastewater And Rainwater Sewers Inside And Outside The Building, Including The Underground Pipes Running Under The Floor Slab And The Associated Shafts. The Renovation Is Mainly Carried Out In A Closed Construction Method Using The Pipe Liner Method. To Carry Out The Work, Openings In The Floor Slab And The Creation Of Excavation Pits Are Required At Selected Points In Order To Create The Necessary Access To The Lines. In Addition, Inspection Openings Are Made In Downpipes. In The Outdoor Area, The Renovation Of The Underground Pipes Is Mainly Carried Out Via Existing Shafts And Rainwater Downpipes. Additional Civil Engineering Work Is Required In The Area Of ​​The Inner Courtyard In Order To Be Able To Renovate The Pipes In The Inlet Area Of ​​The Pumping Station. In Addition, Existing Shafts Will Be Repaired, The Channels Will Be Replaced And The Shaft Walls Will Be Renovated. The Services Include All Necessary Preparatory Work, The Renovation Work Including All Materials As Well As The Necessary Proof Of Leaks And Quality. The Execution Is Carried Out In Close Coordination With The Tga Trades Involved And The Building Construction Department. Coordination Services Are Part Of The Advertised Services. Special Framework Conditions: - Work Inside And Outside The Existing Building - Creation Of Temporary Access By Opening Floor Slabs And Creating Excavation Pits - Execution In Open And Closed Construction Methods - Coordination With Expansion, Building Construction And Tga Trades Working In Parallel - Proof Of Tightness And Proper Execution Of The Renovation Measures Essential Work: - Renovation Of Dirty Water And Rainwater Underground Pipes Medium