Tenders Are Invited For Ventilation Installation Work – Osnabrück District Hall / Comprehensive Building Renovation And Modernization (1St Ba) - Ventilation Technology (Ve 1.430)

Ventilation Installation Work – Osnabrück District Hall / Comprehensive Building Renovation And Modernization (1St Ba) - Ventilation Technology (Ve 1.430). For The Osnabrück District Center, Which Was Built In The Early 1980S, It Was Determined That The Building Needed To Be Extensively Renovated, Resulting From Changed Requirements For The Building Or Changed Legal Framework Conditions And Regulations. The Osnabrück District Is Therefore Planning A Comprehensive Renovation And Modernization Of Its District Headquarters. The Implementation Of This Construction Measure Is Divided Into Four Construction Phases And Is Carried Out At Different Times. The Subject Of This Award Procedure Is The Ventilation Technology Work Required For The First Construction Phase. Implementation Is Expected To Begin In April 2026. The Main Services Are: * 3 Ventilation Systems (Between 1,000 And 13,000 M3/H) * 4 Central Exhaust Fans (Between 400 And 2,000 M3/H) * 97 Fire Dampers * 65 Constant Volume Flow Controllers * 10 Variable Volume Flow Controllers * 110 Ventilation Valves * 43 Pieces Of Swirl Outlets * 75 Mr Slot Outlets * 400 M Spiral Folded Pipe Dn100-Dn315 * 890 M2 Ventilation Duct * 1000 M3 Insulation * Dismantling Existing Ventilation Systems The Following Minimum Requirements Apply To The Suitability (Performance) Of The Bidders: * Annual Turnover For The Last Three Years: At Least Eur 1,300,000 Per Year * Total Number Of Employees At The Time Of Submitting The Offer: At Least 10 * Reference Project: At Least One Completed Reference Project With A Contract Value Of At Least Eur 500,000 (Net)