Tenders Are Invited For Heating, Ventilation And Air-Conditioning Installation Work – Heating, Ventilation And Sanitary Systems (Hls)

Heating, Ventilation And Air-Conditioning Installation Work – Heating, Ventilation And Sanitary Systems (Hls). The Thalia Theater Building Will Be Renovated In Sections In The Area Of ​​Technical Building Equipment As Part Of Several Construction Projects In 2026 And 2027/2028. The Focus Is On The Renewal Of The Plumbing Lines As Well As The Associated Heating And Ventilation Technology. All Trades Are Implemented According To The Construction Phases. The Wastewater Systems In The Affected Areas Will Be Completely Renovated. This Includes Downpipes As Well As All Collecting And Connecting Pipes. Downpipes That Drain Renovated And Unrenovated Areas Together Will Also Be Rebuilt. The Design Is Carried Out With Sml Pipes. For This Purpose, Existing Installation Shafts Are Opened And Then Closed Again In Compliance With Fire Protection Requirements. Due To A Lack Of Documentation And Hygienic Deficiencies, The Drinking Water Installation Is Being Completely Replaced. In Addition To All Pipes, The Sanitary Facilities - With The Exception Of Individual Visitor Areas - Will Also Be Replaced. Hot Water Is Supplied Decentrally Via Instantaneous Water Heaters. The Installation Is Carried Out In Accordance With Applicable Standards And Supplemented By Hygienic Measures. Heat Is Still Supplied Via The Existing District Heating Connection. As Part Of The Renovation, The Heating Pipework In The Affected Areas Will Be Replaced. The Heat Is Then Released Into The Rooms Via New Supply Systems And Radiators. The Ventilation Measures Will Be Implemented In Two Construction Phases. In 2026, An Existing Exhaust Air System Will Be Replaced By A New Supply And Exhaust Air System With Heat Recovery. The Ventilation Duct Network Will Mostly Be Renewed And Expanded. In 2027/28, The Ventilation Duct Network Of The Remaining Sanitary Areas Will Be Renewed And Connected To A Currently Inoperative But Operational Air Conditioning System. Regardless Of This, Individual Separate Sanitary Areas Are Supplied With Separate Pipe Fans. As Part Of The Work, New Fire Dampers Will Also Be Installed And Metering Devices Will Be Provided To Record Consumption. In Addition, The Necessary Insulation Measures On Air And Pipelines Are Implemented. The List Of Services For The Heating, Ventilation And Sanitary Work Includes: - Dismantling And Replacing Wastewater And Drinking Water Installations Including Sanitary Facilities, - Replacing Heating Piping And Heat Distribution In The Affected Areas, - Dismantling And Reinstalling Ventilation Systems Including Predominantly Replacing The Sewer Network, - Installing Heat Recovery And Fire Protection Components, - Insulating Work On Pipes And Air Ducts, - Adapting Installation Shafts, - Construction Site Preparation And Commissioning. Essential Work: Dismantling And Replacing Horizontal And Vertical Wastewater, Drinking Water, Heating Pipes, Pipe Insulation, Sewer Network And Ventilation Pipes As Well As Ventilation Systems, Sanitary Objects, Etc